How popular is this Seattle to Singapore flight route?

Within the past month, 44 users have taken a look at flights from Seattle/Tacoma Intl to Singapore Changi.

What are the cheapest airlines flying from Seattle to Singapore round-trip?

Air Canada, at $748, was found to be the cheapest airline from Seattle to Singapore.Alternate airlines to your destination round-trip include Singapore Airlines and Asiana Airlines. Air Canada is priced at 30% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Seattle to Singapore one-way?

For one-way options, check prices for Singapore Airlines. According to our data, you can fly for as low as $387. Users have also found prices from $427 and $455 on Korean Air and Asiana Airlines, respectively.

What are the cheapest flights from Seattle to Singapore?

Looking for the cheapest flight from Seattle to Singapore? While on average our users pay $2,305, our data indicates the cheapest price to be $328. The most popular route (Seattle/Tacoma Intl - Singapore Changi), is priced around $747.

What are the most popular airlines that fly from Seattle to Singapore?

Air Canada, Alaska Airlines and EVA Air are the most popular airlines when flying from Seattle to Singapore.

Where are the most common layover locations when flying from Seattle to Singapore?

Flights departing from Seattle and landing in Singapore layover in Seoul most frequently. Seoul is followed by San Francisco in terms of the most popular layover location on flights from Seattle to Singapore.

Where are the least popular layover locations for Seattle to Singapore flights?

The least popular layover on flights from Seattle to Singapore is Tokyo.

What are some popular things to do or see while on a layover in Seoul?

Dongdaemun Market, Myeongdong Cathedral, and Bukchon Hanok Village are currently the most popular points of interest in Seoul at the moment. Dongdaemun Market, Myeongdong Cathedral and Bukchon Hanok Village are located about 31.6 mi, 30.4 mi, and 30.6 mi, respectively from Incheon Intl if you are interested in checking them out. Those looking to explore during their layover in Seoul can rent a car from Incheon Intl for about $51 per day.

What are some popular points of interest to see during a layover in San Francisco?

San Francisco travelers tend to visit Fisherman's Wharf, Union Square, and Bill Graham Civic Auditorium more than any other notable places. Fisherman's Wharf, Union Square, and Bill Graham Civic Auditorium can be accessed by traveling approximately 13.0 mi, 11.6 mi, and 11.1 mi, respectively from San Francisco. Travelers in need of a car in San Francisco can rent one for about $56 per day.

What is the cheapest day to fly round-trip from Seattle to Singapore?

Flying to your destination on a Sunday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Singapore. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Seattle to Singapore?

Find a great deal and save up to 102% by booking at least 17 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Seattle to Singapore within the next two weeks, with the cheapest ticket starting at $749.

What is the cheapest month to fly from Seattle to Singapore?

The best pricing can be found in the month of March. Prices to Singapore from Seattle average $1,083. You can even find prices in March for less than $1,083, as users have found deals to Singapore from as low as $690. The month of December appears to be one of the more expensive times to travel to Singapore from Seattle. Flying in the targeted month can save you up to 50%.

Most accurate provider : When it comes to deals on Seattle-Singapore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Singapore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Singapore flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Seattle-Singapore flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Singapore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Seattle to Singapore that include hotel bookings?

Yes. In addition to deals on Seattle to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Seattle to Singapore?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Singapore.

Can I find deals for business class flights from Seattle to Singapore?

Yes. Cheapflights offers flight deals from Seattle to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$387+ Flights from Seattle to Singapore

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Find cheap flights from Seattle to Singapore with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Singapore Changi are usually found in March or February, booked 16 days in advance, depart on a Tuesday or Thursday and return on a Monday

Cheap flight deals from Seattle to Singapore

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$748 (Air Canada)
One-way from	$387 (Gurufare)
Popular in	December
Cheapest in	March
Average price	$857
Good round-trip deal	$966 or less
Good one-way deal	$346 or less

Provider with most accurate pricing for Seattle/Tacoma Intl-Singapore Changi flight deals.

Search Deals

Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Singapore Changi flights.

Search Deals

From Seattle/Tacoma Intl to Singapore Changi

Search Deals

One-way flight from Seattle/Tacoma Intl to Singapore Changi

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($68 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($50 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Singapore Changi.

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Price to beat on a one-way flight from Seattle/Tacoma Intl to Singapore Changi.

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Find flight deals from Seattle to Singapore

Cheapest flights from Seattle to Singapore
Explore the most affordable flight options available from Seattle to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

Wed 10/17:15 pmSEA - SIN

2 stops37h 05mAir Canada

Wed 10/89:50 amSIN - SEA

2 stops27h 26mAir Canada

Deal found 3/25

$745

Sun 8/312:30 pmSEA - SIN

1 stop40h 00mAsiana Airlines

Mon 9/1510:50 pmSIN - SEA

1 stop28h 40mAsiana Airlines

Deal found 3/26

$756

Sun 9/710:15 amSEA - SIN

Nonstop16h 20mSingapore Airlines

Sun 9/219:00 amSIN - SEA

Nonstop14h 45mSingapore Airlines

Deal found 3/25

$761

Sat 11/225:45 amSEA - SIN

2 stops26h 40mMultiple Airlines

Sat 12/2010:00 amSIN - SEA

1 stop27h 55mMultiple Airlines

Deal found 3/25

$764

Wed 10/111:35 pmSEA - SIN

1 stop22h 45mPhilippine Airlines

Wed 10/810:25 amSIN - SEA

1 stop23h 50mPhilippine Airlines

Deal found 3/25

$819

Mon 11/311:00 amSEA - SIN

1 stop26h 00mKorean Air

Mon 11/1710:30 pmSIN - SEA

1 stop26h 30mKorean Air

Deal found 3/25

$873

Mon 5/197:00 amSEA - SIN

1 stop20h 25mUnited Airlines

Tue 5/2711:05 amSIN - SEA

1 stop18h 20mUnited Airlines

Deal found 3/25

$888

Wed 5/217:00 amSEA - SIN

2 stops26h 45mANA

Mon 5/2611:05 amSIN - SEA

1 stop18h 20mANA

Deal found 3/25

$892

Sun 9/141:40 amSEA - SIN

1 stop19h 55mChina Airlines

Mon 9/222:00 amSIN - SEA

1 stop32h 20mChina Airlines

Deal found 3/25

$922

Wed 9/31:30 pmSEA - SIN

1 stop19h 50mJapan Airlines

Wed 9/178:05 amSIN - SEA

2 stops24h 23mJapan Airlines

Deal found 3/26

$937

Wed 5/71:15 amSEA - SIN

1 stop20h 25mSTARLUX Airlines

Thu 5/222:00 pmSIN - SEA

1 stop17h 10mSTARLUX Airlines

Deal found 3/25

$1,003

Best flights from Seattle to Singapore
Discover carefully curated flight deals from Seattle to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 26, 2025.

Thu 9/1110:00 amSEA - SIN

2 stops28h 00mAir Canada

Fri 9/199:50 amSIN - SEA

2 stops27h 26mAir Canada

Deal found 3/24

$748

Sun 9/710:15 amSEA - SIN

Nonstop16h 20mSingapore Airlines

Sun 9/219:00 amSIN - SEA

Nonstop14h 45mSingapore Airlines

Deal found 3/25

$761

Sat 4/195:45 amSEA - SIN

2 stops32h 45mMultiple Airlines

Sat 5/39:10 amSIN - SEA

1 stop24h 23mMultiple Airlines

Deal found 3/25

$794

Sat 4/262:15 pmSEA - SIN

1 stop40h 15mAsiana Airlines

Wed 11/1911:10 pmSIN - SEA

1 stop29h 25mAsiana Airlines

Deal found 3/25

$851

Mon 5/197:00 amSEA - SIN

1 stop20h 25mUnited Airlines

Tue 5/2711:05 amSIN - SEA

1 stop18h 20mUnited Airlines

Deal found 3/25

$888

Wed 5/217:00 amSEA - SIN

2 stops26h 45mANA

Mon 5/2611:05 amSIN - SEA

1 stop18h 20mANA

Deal found 3/25

$892

Thu 9/1112:50 pmSEA - SIN

1 stop40h 05mKorean Air

Fri 9/197:30 amSIN - SEA

1 stop18h 10mKorean Air

Deal found 3/24

$898

Sat 9/131:40 amSEA - SIN

1 stop19h 55mChina Airlines

Mon 9/291:45 pmSIN - SEA

1 stop20h 35mChina Airlines

Deal found 3/25

$961

Wed 5/71:15 amSEA - SIN

1 stop20h 25mSTARLUX Airlines

Thu 5/222:00 pmSIN - SEA

1 stop17h 10mSTARLUX Airlines

Deal found 3/25

$1,003

Sat 5/177:10 pmSEA - SIN

1 stop31h 45mTurkish Airlines

Mon 5/2611:10 pmSIN - SEA

1 stop33h 05mTurkish Airlines

Deal found 3/25

$1,021

Wed 4/238:00 amSEA - SIN

2 stops25h 50mCathay Pacific

Wed 4/304:05 pmSIN - SEA

2 stops32h 01mCathay Pacific

Deal found 3/25

$1,053

Last-minute flights from Seattle to Singapore
Discover last-minute flight deals from Seattle to Singapore. Data last updated March 26, 2025 and is based on user searches.

Sun 3/3011:35 pmSEA - SIN

1 stop22h 45mPhilippine Airlines

Sat 4/58:00 pmSIN - SEA

1 stop38h 15mPhilippine Airlines

Deal found 3/25

$986

Wed 4/27:15 amSEA - SIN

1 stop20h 10mUnited Airlines

Wed 4/911:05 amSIN - SEA

1 stop18h 20mUnited Airlines

Deal found 3/25

$888

Wed 4/26:15 amSEA - SIN

2 stops31h 45mKorean Air

Tue 4/81:10 amSIN - SEA

2 stops28h 25mKorean Air

Deal found 3/25

$989

Wed 4/211:35 pmSEA - SIN

1 stop22h 45mPhilippine Airlines

Tue 4/812:20 amSIN - SEA

1 stop33h 55mPhilippine Airlines

Deal found 3/25

$1,155

Thu 4/31:55 pmSEA - SIN

2 stops37h 30mFinnair

Mon 4/219:35 pmSIN - SEA

2 stops40h 17mFinnair

Deal found 3/25

$3,772

Fri 4/41:15 amSEA - SIN

1 stop20h 25mSTARLUX Airlines

Tue 4/222:00 pmSIN - SEA

1 stop17h 10mSTARLUX Airlines

Deal found 3/25

$3,120

Sat 4/57:05 pmSEA - SIN

2 stops38h 45mMultiple Airlines

Sun 4/139:10 amSIN - SEA

1 stop24h 18mMultiple Airlines

Deal found 3/25

$1,163

Sat 4/510:47 pmSEA - SIN

2 stops35h 03mCathay Pacific

Sat 4/121:50 amSIN - SEA

2 stops33h 50mCathay Pacific

Deal found 3/25

$1,529

Sat 4/51:10 amSEA - SIN

1 stop32h 25mChina Airlines

Sat 4/122:00 amSIN - SEA

1 stop32h 30mChina Airlines

Deal found 3/25

$1,532

Sat 4/54:30 pmSEA - SIN

1 stop37h 30mQatar Airways

Sun 4/136:45 pmSIN - SEA

1 stop33h 00mQatar Airways

Deal found 3/25

$1,543

Sat 4/54:30 pmSEA - SIN

1 stop32h 15mAlaska Airlines

Sat 4/123:10 amSIN - SEA

2 stops32h 44mAlaska Airlines

Deal found 3/25

$1,669

Sat 4/512:30 amSEA - SIN

1 stop22h 20mEVA Air

Thu 4/243:10 pmSIN - SEA

1 stop18h 40mEVA Air

Deal found 3/25

$2,285

One-way flights from Seattle to Singapore
Search for one-way flight options from Seattle to Singapore. Find affordable one-way fares based on user searches. Data last updated March 26, 2025.

Fri 8/1510:15 amSEA - SIN

Nonstop16h 20mSingapore Airlines

Deal found 3/25

$387

Thu 9/412:50 pmSEA - SIN

1 stop25h 10mKorean Air

Deal found 3/25

$427

Tue 5/62:15 pmSEA - SIN

1 stop40h 15mAsiana Airlines

Deal found 3/26

$455

Mon 9/88:37 amSEA - SIN

2 stops24h 43mJapan Airlines

Deal found 3/25

$467

Tue 5/610:00 amSEA - SIN

1 stop30h 05mAir Canada

Deal found 3/25

$475

Tue 5/68:50 amSEA - SIN

2 stops30h 55mUnited Airlines

Deal found 3/26

$481

Wed 4/3012:30 pmSEA - SIN

3 stops30h 45mMultiple Airlines

Deal found 3/26

$495

Sat 9/612:45 pmSEA - SIN

1 stop25h 15mDelta

Deal found 3/25

$508

Tue 4/291:10 amSEA - SIN

1 stop32h 25mChina Airlines

Deal found 3/26

$516

Wed 4/161:15 amSEA - SIN

1 stop20h 25mSTARLUX Airlines

Deal found 3/25

$574

Fri 8/151:10 amSEA - SIN

1 stop19h 50mEVA Air

Deal found 3/25

$622

Sat 4/54:30 pmSEA - SIN

1 stop32h 15mAlaska Airlines

Deal found 3/25

$781

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Thu 9/11

10:00 am-5:00 am

2 stops28h 00m

Singapore Changi

Fri 9/19

9:50 am-10:16 pm

2 stops27h 26m

$748

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Sun 8/31

2:30 pm-9:30 pm

1 stop40h 00m

Singapore Changi

Mon 9/15

10:50 pm-12:30 pm

1 stop28h 40m

$756

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Sun 9/7

10:15 am-5:35 pm

Nonstop16h 20m

Singapore Changi

Sun 9/21

9:00 am-8:45 am

Nonstop14h 45m

$761

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Sat 4/19

5:45 am-5:30 am

2 stops32h 45m

Singapore Changi

Sat 5/3

9:10 am-6:33 pm

1 stop24h 23m

$794

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Mon 5/19

7:00 am-6:25 pm

1 stop20h 25m

Singapore Changi

Tue 5/27

11:05 am-2:25 pm

1 stop18h 20m

$888

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Wed 5/21

7:00 am-12:45 am

2 stops26h 45m

Singapore Changi

Mon 5/26

11:05 am-2:25 pm

1 stop18h 20m

$892

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Thu 9/11

12:50 pm-7:55 pm

1 stop40h 05m

Singapore Changi

Fri 9/19

7:30 am-10:40 am

1 stop18h 10m

$898

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Sun 9/14

1:40 am-12:35 pm

1 stop19h 55m

Singapore Changi

Mon 9/22

2:00 am-7:20 pm

1 stop32h 20m

$922

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Wed 9/3

1:30 pm-12:20 am

1 stop19h 50m

Singapore Changi

Wed 9/17

8:05 am-5:28 pm

2 stops24h 23m

$937

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Wed 5/7

1:15 am-12:40 pm

1 stop20h 25m

Singapore Changi

Thu 5/22

2:00 pm-4:10 pm

1 stop17h 10m

$1,003

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 27 results

Compare providers for flights from Seattle to Singapore

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Singapore in March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	Trust Score*3 stars
ScholarTrip	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Seattle-Singapore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Singapore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Singapore flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Seattle-Singapore flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Singapore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Seattle to Singapore flights

Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Singapore trip

Airports

SEA

Use SEA Spot Saver to book security screening appointments in advance, reducing wait times significantly. Reserve online a few days before your flight.

SIN

For quick city access from SIN, Grab rideshare is the fastest option, taking ~25 minutes. It's cheaper than taxis and convenient from all terminals.

Our travel experts

Yulia Denisyuk

Expert on SIN

Brandon Schultz

Expert on SEA

Best time to book a flight from Seattle to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Seattle with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Singapore

How far ahead should I book a flight from Seattle to Singapore?

Booking 16 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Singapore. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Seattle to Singapore?

Currently, September is the cheapest month in which you can book a flight from Seattle to Singapore (average of $1,011). Flying from Seattle to Singapore in December is currently the most expensive (average of $1,684). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to SIN?

It’s typically best to fly out from Seattle to Singapore at noon. Doing so could potentially save you 12% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Seattle to Singapore?

Travelers seeking maximum savings on their Seattle to Singapore flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Singapore by month

In terms of precipitation, rainfall in Singapore ranges from 5.9 - 10.6 inches per month. December is typically the wettest month, when rainfall can reach 10.6 in. July is typically the driest time to visit Singapore when rainfall is around 5.9 in.

Temperature in Singapore by month

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 78.8 F).

Reviews of airlines servicing Singapore

Peruse reviews from past customers who have flown with STARLUX Airlines, EVA Air and Korean Air from Seattle to Singapore to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

STARLUX Airlines

9.1

Wonderful

146 reviews

Reviews

1 / 5

10.0

Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

STARLUX Airlines

9.1

Wonderful

146 reviews

STARLUX Airlines

9.1

Wonderful

146 reviews

Reviews

1 / 5

10.0

Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

EVA Air

8.4

Very good

1,171 reviews

STARLUX Airlines

9.1

Wonderful

146 reviews

Reviews

1 / 5

10.0

Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Korean Air

8.4

Very good

1,049 reviews

STARLUX Airlines

9.1

Wonderful

146 reviews

Reviews

1 / 5

10.0

Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Japan Airlines

8.3

Very good

1,440 reviews

STARLUX Airlines

9.1

Wonderful

146 reviews

Reviews

1 / 5

10.0

Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

ANA

8.3

Very good

826 reviews

STARLUX Airlines

9.1

Wonderful

146 reviews

Reviews

1 / 5

10.0

Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Related info for your journey

How popular is this Seattle to Singapore flight route?
Within the past month, 44 users have taken a look at flights from Seattle/Tacoma Intl to Singapore Changi.
What are the cheapest airlines flying from Seattle to Singapore round-trip?
Air Canada, at $748, was found to be the cheapest airline from Seattle to Singapore.Alternate airlines to your destination round-trip include Singapore Airlines and Asiana Airlines. Air Canada is priced at 30% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Seattle to Singapore one-way?
For one-way options, check prices for Singapore Airlines. According to our data, you can fly for as low as $387. Users have also found prices from $427 and $455 on Korean Air and Asiana Airlines, respectively.
What are the cheapest flights from Seattle to Singapore?
Looking for the cheapest flight from Seattle to Singapore? While on average our users pay $2,305, our data indicates the cheapest price to be $328. The most popular route (Seattle/Tacoma Intl - Singapore Changi), is priced around $747.
Where are the most common layover locations when flying from Seattle to Singapore?
Flights departing from Seattle and landing in Singapore layover in Seoul most frequently. Seoul is followed by San Francisco in terms of the most popular layover location on flights from Seattle to Singapore.
What are some popular things to do or see while on a layover in Seoul?
Dongdaemun Market, Myeongdong Cathedral, and Bukchon Hanok Village are currently the most popular points of interest in Seoul at the moment. Dongdaemun Market, Myeongdong Cathedral and Bukchon Hanok Village are located about 31.6 mi, 30.4 mi, and 30.6 mi, respectively from Incheon Intl if you are interested in checking them out. Those looking to explore during their layover in Seoul can rent a car from Incheon Intl for about $51 per day.
What are some popular points of interest to see during a layover in San Francisco?
San Francisco travelers tend to visit Fisherman's Wharf, Union Square, and Bill Graham Civic Auditorium more than any other notable places. Fisherman's Wharf, Union Square, and Bill Graham Civic Auditorium can be accessed by traveling approximately 13.0 mi, 11.6 mi, and 11.1 mi, respectively from San Francisco. Travelers in need of a car in San Francisco can rent one for about $56 per day.
Where are the least popular layover locations for Seattle to Singapore flights?
The least popular layover on flights from Seattle to Singapore is Tokyo.
Can I find deals for flights from Seattle to Singapore that include hotel bookings?
Yes. In addition to deals on Seattle to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Singapore?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Singapore.
Can I find deals for business class flights from Seattle to Singapore?
Yes. Cheapflights offers flight deals from Seattle to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Seattle to Singapore?
Currently, September is the cheapest month in which you can book a flight from Seattle to Singapore (average of $1,011). Flying from Seattle to Singapore in December is currently the most expensive (average of $1,684). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Seattle to Singapore

Portland to Singapore flights

Spokane to Singapore flights

Other flights to Singapore

Top 10 airlines flying from Seattle to Singapore

Airline	Cheapest	Average	Flexibility	On-time
Singapore Airlines	Cheapest$686	Average$1,143	FlexibilityNo cancel fee	On-time81%
Asiana Airlines	Cheapest$689	Average$778	FlexibilityNo cancel fee	On-time76%
Philippine Airlines	Cheapest$694	Average$778	FlexibilityNo cancel fee	On-time60%
United Airlines	Cheapest$725	Average$932	FlexibilityNo cancel fee	On-time69%
Korean Air	Cheapest$727	Average$897	FlexibilityNo cancel fee	On-time81%
Delta	Cheapest$750	Average$1,239	FlexibilityNo cancel fee	On-timeN/A
Japan Airlines	Cheapest$760	Average$1,086	FlexibilityNo cancel fee	On-time79%
Air Canada	Cheapest$791	Average$1,042	FlexibilityNo cancel fee	On-time67%
China Airlines	Cheapest$899	Average$1,020	FlexibilityNo cancel fee	On-time70%
Alaska Airlines	Cheapest$972	Average$1,075	FlexibilityNo cancel fee	On-time75%

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$387+ Cheap flights from Seattle (SEA) to Singapore (SIN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/15. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Singapore Changi are usually found in March or February, booked 16 days in advance, depart on a Tuesday or Thursday and return on a Monday

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Cheapest flights from Seattle to SingaporeExplore the most affordable flight options available from Seattle to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

Explore the most affordable flight options available from Seattle to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

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Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

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Best time to book a flight from Seattle to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Seattle with our price prediction graph.

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Everything you need to know about your flight from Seattle to Singapore

How far ahead should I book a flight from Seattle to Singapore?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Singapore. Price data was last updated on March 21, 2025.

What is the cheapest month to book a flight from Seattle to Singapore?

What is the cheapest time of day to fly from SEA to SIN?

Find hourly flight availability from Seattle to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 26, 2025.

What is the cheapest day to fly from Seattle to Singapore?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Singapore. Price data was last updated on March 23, 2025.

Rainfall in Singapore by month

Plan your trip to Singapore by taking into account the average rainfall totals by month.

Temperature in Singapore by month

Plan your trip to Singapore by taking into account the average temperature totals by month.

Reviews of airlines servicing Singapore

Peruse reviews from past customers who have flown with STARLUX Airlines, EVA Air and Korean Air from Seattle to Singapore to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How popular is this Seattle to Singapore flight route?

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What are the cheapest airlines to fly from Seattle to Singapore one-way?

What are the cheapest flights from Seattle to Singapore?

Where are the most common layover locations when flying from Seattle to Singapore?

What are some popular things to do or see while on a layover in Seoul?

What are some popular points of interest to see during a layover in San Francisco?

Where are the least popular layover locations for Seattle to Singapore flights?

Can I find deals for flights from Seattle to Singapore that include hotel bookings?

How can I find direct flights from Seattle to Singapore?

Can I find deals for business class flights from Seattle to Singapore?

What is the cheapest month to book a flight from Seattle to Singapore?

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Alternative routes for Seattle to Singapore

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Top 10 airlines flying from Seattle to Singapore

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Cheapest flights from Seattle to Singapore
Explore the most affordable flight options available from Seattle to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.