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$487+ Cheap flights from Singapore (SIN) to Seattle (SEA)

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
Feb 9 — Feb 161
Sun 2/9
Sun 2/16
1 adult, Economy
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1. Tell us where you want to go
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The best prices from Singapore Changi to Seattle/Tacoma Intl are usually found in March or October, booked 43 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Singapore to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$736
(FlightHub)

One-way from

$487
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$884

Good one-way deal

$412 or less
Provider with most accurate pricing for Singapore Changi-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Singapore Changi-Seattle/Tacoma Intl flights.
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From Singapore Changi to Seattle/Tacoma Intl
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One-way flight from Singapore Changi to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 11% potential increase in price ($123 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a one-way flight from Singapore Changi to Seattle/Tacoma Intl.
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Find flight deals from Singapore to Seattle

Cheapest flights from Singapore to Seattle
Explore the most affordable flight options available from Singapore to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2025.

This FlightHub deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/241:55 amSIN - SEA
1 stop25h 00mAsiana Airlines
Tue 3/412:45 pmSEA - SIN
1 stop19h 50mAsiana Airlines
Deal found 2/4$736
This CheapTickets deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/32:00 amSIN - SEA
1 stop32h 15mChina Airlines
Mon 3/101:10 amSEA - SIN
1 stop20h 55mChina Airlines
Deal found 2/4$738
This Singapore Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/289:00 amSIN - SEA
Nonstop14h 45mSingapore Airlines
Fri 10/1010:15 amSEA - SIN
Nonstop16h 20mSingapore Airlines
Deal found 2/4$800
This Trip.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/272:00 pmSIN - SEA
1 stop17h 10mSTARLUX Airlines
Wed 10/81:15 amSEA - SIN
1 stop20h 25mSTARLUX Airlines
Deal found 2/3$811
This oojo deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/171:30 amSIN - SEA
1 stop23h 30mKorean Air
Fri 2/2111:00 amSEA - SIN
1 stop26h 00mKorean Air
Deal found 2/3$829
This oojo deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/11:10 pmSIN - SEA
1 stop21h 20mEVA Air
Wed 7/302:10 amSEA - SIN
1 stop18h 50mEVA Air
Deal found 2/4$830
This United Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2110:10 amSIN - SEA
1 stop29h 45mUnited Airlines
Fri 3/285:00 amSEA - SIN
1 stop24h 15mUnited Airlines
Deal found 2/4$841
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2211:00 amSIN - SEA
1 stop18h 40mDelta
Sun 6/291:05 pmSEA - SIN
1 stop19h 35mDelta
Deal found 2/4$849
This Traveloka deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Traveloka is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/32:00 amSIN - SEA
1 stop32h 15mMultiple Airlines
Tue 3/119:40 amSEA - SIN
Nonstop17h 00mMultiple Airlines
Deal found 2/4$851
This Gotogate deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/218:25 amSIN - SEA
2 stops25h 00mAir Canada
Fri 3/285:55 amSEA - SIN
2 stops27h 40mAir Canada
Deal found 2/4$964
This Cheapflightsfares deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/46:35 amSIN - SEA
2 stops30h 40mANA
Wed 3/53:24 pmSEA - SIN
2 stops34h 11mANA
Deal found 2/4$966
This CheapTickets deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2712:20 amSIN - SEA
1 stop34h 00mPhilippine Airlines
Fri 10/1011:30 pmSEA - SIN
1 stop28h 25mPhilippine Airlines
Deal found 2/4$1,039

Find flights from Singapore to Seattle within your budget

Customize your flight search to find flights from Singapore to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 4, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 2/24

1:55 am-10:55 am

1 stop25h 00m

Seattle/Tacoma Intl

Tue 3/4

12:45 pm-12:35 am

1 stop19h 50m

$736

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 3/3

2:00 am-6:15 pm

1 stop32h 15m

Seattle/Tacoma Intl

Mon 3/10

1:10 am-1:05 pm

1 stop20h 55m

$738

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 3/18

8:00 pm-7:10 pm

1 stop38h 10m

Seattle/Tacoma Intl

Fri 5/16

11:30 pm-11:20 pm

1 stop32h 50m

$822

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 2/17

1:30 am-9:00 am

1 stop23h 30m

Seattle/Tacoma Intl

Fri 2/21

11:00 am-5:00 am

1 stop26h 00m

$829

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 6/1

1:10 pm-7:30 pm

1 stop21h 20m

Seattle/Tacoma Intl

Wed 7/30

2:10 am-12:00 pm

1 stop18h 50m

$835

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 3/20

2:45 pm-4:05 pm

1 stop16h 20m

Seattle/Tacoma Intl

Wed 3/26

1:05 am-1:25 pm

1 stop21h 20m

$838

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 5/22

11:05 am-2:25 pm

1 stop18h 20m

Seattle/Tacoma Intl

Thu 8/14

5:00 pm-6:45 pm

1 stop34h 45m

$840

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 3/22

11:00 am-2:40 pm

1 stop18h 40m

Seattle/Tacoma Intl

Sun 6/29

1:05 pm-11:40 pm

1 stop19h 35m

$849

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 3/3

2:00 am-6:15 pm

1 stop32h 15m

Seattle/Tacoma Intl

Tue 3/11

9:40 am-5:40 pm

Nonstop17h 00m

$851

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 3/21

8:25 am-6:25 pm

2 stops25h 00m

Seattle/Tacoma Intl

Fri 3/28

5:55 am-12:35 am

2 stops27h 40m

$964

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 27 results
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Compare providers for flights from Singapore to Seattle

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.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Singapore to Seattle in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust 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 Singapore-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Singapore-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Singapore-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Singapore-Seattle 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 Singapore-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Singapore to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Singapore 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.

Travel insights for flights from Singapore to Seattle

Get recent, data-driven insights about flights from Singapore to Seattle including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Singapore to Seattle. Price data was last updated on January 31, 2025.

The price you pay for your flight from Singapore to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 43 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Singapore to Seattle (average of $238). Flying from Singapore to Seattle in July is currently the most expensive (average of $411). 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 SIN to SEA?

Find hourly flight availability from Singapore to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 4, 2025.

One of the essential ways to save on airfare from Singapore to Seattle is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 47% on airfare.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated February 4, 2025.
Get a feel of what it's like to fly with STARLUX Airlines, EVA Air and Korean Air from Singapore to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
138 reviews

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Entertainment

9.1

Food

9.0

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
138 reviews
STARLUX Airlines
9.1
Wonderful
138 reviews

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Entertainment

9.1

Food

9.0

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
1,226 reviews
STARLUX Airlines
9.1
Wonderful
138 reviews

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Entertainment

9.1

Food

9.0

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
1,040 reviews
STARLUX Airlines
9.1
Wonderful
138 reviews

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Entertainment

9.1

Food

9.0

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
8.4
Very good
836 reviews
STARLUX Airlines
9.1
Wonderful
138 reviews

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Entertainment

9.1

Food

9.0

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
138 reviews

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Entertainment

9.1

Food

9.0

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

Find useful and relevant information for your journey from Singapore to Seattle. 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 Singapore to Seattle flight route?

    The Singapore Changi to Seattle/Tacoma Intl flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    According to our current data, Asiana Airlines ($736), China Airlines ($738), and Philippine Airlines ($822) offers the cheapest pricing from Singapore to Seattle. Asiana Airlines is priced at 25% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as $501 on China Airlines. Other airlines that offer cheap prices include United Airlines from $502 and STARLUX Airlines from $511 one-way.

  • What are the cheapest flights from Singapore to Seattle?

    On average you can expect to pay $1,280 for a flight from Singapore to Seattle. The cheapest flight overall is $375 while the most popular route, (Singapore Changi - Seattle/Tacoma Intl) is currently priced at $705.

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

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

  • How can I find direct flights from Singapore to Seattle?

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

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

    Yes. Cheapflights offers flight deals from Singapore to Seattle 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 Singapore to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Singapore to Seattle (average of $238). Flying from Singapore to Seattle in July is currently the most expensive (average of $411). 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

Traveling to a place near Singapore?

Book flights to Singapore if you plan to visit one of these locations
SeaTac
Tukwila
Renton
Tacoma
Lacey
Federal Way
Ocean Shores
Leavenworth
Olympia
Centralia
Cle Elum
Marysville
Mukilteo
Aberdeen
Lakewood
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Singapore to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Singapore to Portland flights

Top 6 airlines flying from Singapore to Seattle

Discover the top 6 airlines that operate flights from Singapore to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$658Average$877FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$763Average$1,374FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$832Average$1,156FlexibilityNo cancel feeOn-time74%
Japan AirlinesCheapest$864Average$1,163FlexibilityNo cancel feeOn-time79%
ANACheapest$884Average$985FlexibilityNo cancel feeOn-time80%
American AirlinesCheapest$990Average$1,089FlexibilityNo cancel feeOn-time71%
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