How popular is this Singapore to State of Washington flight route?

The Singapore Changi to Washington 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 to fly from Singapore to State of Washington one-way?

For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $456. Users have also found prices from $486 and $503 on China Airlines and XiamenAir, respectively.

What are the cheapest flights from Singapore to State of Washington?

The cheapest flight price from Singapore to State of Washington is $488. On average you can expect to pay $898. The most popular route, (Singapore Changi - Seattle/Tacoma Intl), can usually be booked for $711.

What are the most popular airlines that fly from Singapore to State of Washington?

The most popular airlines flying from Singapore to State of Washington are American Airlines, EVA Air and STARLUX Airlines. Something to consider prior to booking your flight.

How far in advance should I book a flight from Singapore to State of Washington?

Travelers have found it’s best to book a flight 48 days in advance to save up to 29% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 48 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Singapore to State of Washington 1-2 weeks in advance for as low as $850, or $911 for flights within the next 24 hours.

What is the cheapest month to fly from Singapore to State of Washington?

The best pricing can be found in the month of February. Prices to State of Washington from Singapore average $958. You can even find prices in February for less than $958, as users have found deals to State of Washington from as low as $799. The month of August appears to be one of the more expensive times to travel to State of Washington from Singapore. Flying in the targeted month can save you up to 18%.

What airport do you fly from for flights from Singapore to Washington?

Singapore Changi (SIN) is the airport you will fly out of if you book a flight from Singapore to Washington. It is only a 10.5 mi journey to Changi (SIN) from Singapore’s city center.

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

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

How can I find direct flights from Singapore to Washington?

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

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

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

$446+ Flights from Singapore to Washington

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Cheap flight deals from Singapore to Washington

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$690 (Trip.com)
One-way from	$446 (Kiwi.com)
Popular in	August
Cheapest in	February
Average price	$923
Good one-way deal	$785 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 Washington

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One-way flight from Singapore Changi to Washington

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($79 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Price to beat on a one-way flight from Singapore Changi to Washington.

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Find flight deals from Singapore to Washington

Cheapest flights from Singapore to Washington
Explore the most affordable flight options available from Singapore to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Fri 6/61:10 pmSIN - SEA

1 stop20h 40mEVA Air

Thu 6/1212:50 amSEA - SIN

1 stop20h 10mEVA Air

Deal found 4/21

$690

Sun 6/110:50 pmSIN - SEA

1 stop28h 40mAsiana Airlines

Fri 6/272:15 pmSEA - SIN

1 stop40h 15mAsiana Airlines

Deal found 4/22

$735

Mon 6/92:00 amSIN - SEA

1 stop32h 30mChina Airlines

Tue 8/121:40 amSEA - SIN

1 stop19h 55mChina Airlines

Deal found 4/22

$737

Tue 6/108:45 amSIN - SEA

1 stop19h 37mUnited Airlines

Mon 8/119:50 amSEA - SIN

1 stop29h 25mUnited Airlines

Deal found 4/22

$738

Fri 6/62:00 pmSIN - SEA

1 stop17h 10mSTARLUX Airlines

Thu 6/121:15 amSEA - SIN

1 stop20h 25mSTARLUX Airlines

Deal found 4/22

$791

Sun 6/159:10 amSIN - SEA

1 stop18h 48mAir Canada

Mon 8/117:15 pmSEA - SIN

2 stops42h 45mAir Canada

Deal found 4/22

$812

Wed 5/141:10 amSIN - SEA

1 stop24h 30mKorean Air

Thu 7/241:20 pmSEA - SIN

1 stop39h 35mKorean Air

Deal found 4/22

$885

Mon 5/121:45 pmSIN - SEA

1 stop20h 45mMultiple Airlines

Sat 5/178:01 pmSEA - SIN

2 stops25h 34mMultiple Airlines

Deal found 4/22

$906

Fri 6/610:15 amSIN - SEA

1 stop46h 00mTurkish Airlines

Fri 6/137:10 pmSEA - SIN

1 stop46h 20mTurkish Airlines

Deal found 4/21

$935

Mon 5/192:00 pmSIN - PDX

2 stops23h 20mSTARLUX Airlines

Mon 5/268:45 pmPDX - SIN

2 stops24h 55mSTARLUX Airlines

Deal found 4/20

$965

Thu 6/59:10 amSIN - PDX

1 stop39h 10mAir Canada

Thu 6/125:30 amPDX - SIN

2 stops34h 35mAir Canada

Deal found 4/21

$978

Wed 6/42:00 pmSIN - PDX

2 stops20h 00mMultiple Airlines

Wed 6/115:30 pmPDX - SIN

2 stops28h 10mMultiple Airlines

Deal found 4/21

$989

Best flights from Singapore to Washington
Discover carefully curated flight deals from Singapore to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 22, 2025.

Fri 6/61:10 pmSIN - SEA

1 stop20h 40mEVA Air

Thu 6/1212:50 amSEA - SIN

1 stop20h 10mEVA Air

Deal found 4/21

$690

Sun 6/110:50 pmSIN - SEA

1 stop28h 40mAsiana Airlines

Fri 6/272:15 pmSEA - SIN

1 stop40h 15mAsiana Airlines

Deal found 4/21

$728

Mon 7/148:40 pmSIN - SEA

1 stop31h 45mUnited Airlines

Fri 8/152:50 pmSEA - SIN

1 stop24h 25mUnited Airlines

Deal found 4/21

$729

Tue 6/32:00 amSIN - SEA

1 stop32h 55mChina Airlines

Thu 6/261:10 amSEA - SIN

1 stop20h 25mChina Airlines

Deal found 4/21

$742

Wed 5/212:00 pmSIN - SEA

1 stop17h 10mSTARLUX Airlines

Wed 5/211:15 amSEA - SIN

1 stop20h 25mSTARLUX Airlines

Deal found 4/21

$768

Sun 6/159:10 amSIN - SEA

1 stop28h 03mAir Canada

Mon 8/112:55 pmSEA - SIN

2 stops41h 25mAir Canada

Deal found 4/21

$814

Wed 5/211:10 amSIN - SEA

1 stop27h 25mDelta

Thu 8/141:05 pmSEA - SIN

1 stop19h 35mDelta

Deal found 4/21

$881

Wed 5/141:10 amSIN - SEA

1 stop24h 30mKorean Air

Thu 7/241:20 pmSEA - SIN

1 stop39h 35mKorean Air

Deal found 4/21

$884

Mon 5/121:45 pmSIN - SEA

1 stop20h 45mMultiple Airlines

Sat 5/178:01 pmSEA - SIN

2 stops25h 34mMultiple Airlines

Deal found 4/22

$906

Fri 6/610:15 amSIN - SEA

1 stop46h 00mTurkish Airlines

Fri 6/137:10 pmSEA - SIN

1 stop46h 20mTurkish Airlines

Deal found 4/21

$935

Tue 6/312:20 amSIN - SEA

1 stop33h 55mPhilippine Airlines

Fri 6/2711:35 pmSEA - SIN

1 stop32h 45mPhilippine Airlines

Deal found 4/21

$1,001

Wed 7/28:05 amSIN - SEA

1 stop17h 30mJapan Airlines

Mon 8/111:30 pmSEA - SIN

1 stop19h 50mJapan Airlines

Deal found 4/21

$1,022

Last-minute flights from Singapore to Washington
Discover last-minute flight deals from Singapore to Washington. Data last updated April 22, 2025 and is based on user searches.

Sun 4/272:00 amSIN - SEA

1 stop32h 30mMultiple Airlines

Mon 5/54:30 pmSEA - SIN

1 stop23h 10mMultiple Airlines

Deal found 4/21

$1,013

Sun 4/271:55 amSIN - SEA

2 stops31h 37mJapan Airlines

Mon 5/58:13 amSEA - SIN

2 stops25h 07mJapan Airlines

Deal found 4/21

$1,069

Sun 4/272:00 amSIN - SEA

1 stop32h 30mChina Airlines

Sun 5/41:10 amSEA - SIN

1 stop20h 25mChina Airlines

Deal found 4/21

$1,084

Sun 4/271:10 amSIN - SEA

2 stops37h 06mDelta

Sun 5/412:45 amSEA - SIN

2 stops31h 55mDelta

Deal found 4/21

$1,447

Sun 4/272:00 amSIN - SEA

3 stops57h 21mEthiopian Air

Mon 5/58:10 amSEA - SIN

2 stops63h 40mEthiopian Air

Deal found 4/21

$2,870

Mon 4/289:00 amSIN - SEA

1 stop27h 15mUnited Airlines

Mon 5/55:05 amSEA - SIN

1 stop22h 20mUnited Airlines

Deal found 4/21

$865

Mon 4/283:10 pmSIN - SEA

2 stops34h 48mEVA Air

Sun 5/41:50 amSEA - SIN

1 stop21h 00mEVA Air

Deal found 4/21

$1,117

Wed 4/302:00 amSIN - SEA

2 stops31h 33mAir Canada

Thu 5/222:55 pmSEA - SIN

1 stop25h 10mAir Canada

Deal found 4/21

$5,098

Wed 4/301:40 amSIN - SEA

1 stop26h 45mEmirates

Thu 5/225:15 pmSEA - SIN

1 stop30h 45mEmirates

Deal found 4/21

$7,178

Thu 5/110:50 pmSIN - SEA

1 stop28h 40mAsiana Airlines

Thu 5/222:15 pmSEA - SIN

1 stop40h 15mAsiana Airlines

Deal found 4/21

$6,666

Thu 5/12:00 pmSIN - SEA

1 stop17h 10mSTARLUX Airlines

Wed 5/211:15 amSEA - SIN

1 stop20h 25mSTARLUX Airlines

Deal found 4/21

$14,282

Thu 5/111:20 pmSIN - SEA

2 stops34h 40mBritish Airways

Thu 5/222:20 pmSEA - SIN

2 stops34h 45mBritish Airways

Deal found 4/21

$20,738

One-way flights from Singapore to Washington
Search for one-way flight options from Singapore to Washington. Find affordable one-way fares based on user searches. Data last updated April 22, 2025.

Tue 5/277:10 pmSIN - SEA

3 stops41h 50mMultiple Airlines

Deal found 4/21

$446

Thu 6/128:45 amSIN - SEA

1 stop41h 36mUnited Airlines

Deal found 4/21

$456

Sat 5/172:00 amSIN - SEA

1 stop32h 30mChina Airlines

Deal found 4/22

$486

Tue 6/33:15 pmSIN - SEA

2 stops33h 40mXiamenAir

Deal found 4/21

$503

Sat 5/102:00 pmSIN - SEA

1 stop17h 10mSTARLUX Airlines

Deal found 4/20

$505

Sat 6/147:10 pmSIN - PDX

3 stops56h 04mMultiple Airlines

Deal found 4/21

$542

Sun 5/41:10 amSIN - SEA

1 stop24h 30mKorean Air

Deal found 4/21

$568

Wed 4/3011:05 amSIN - SEA

1 stop18h 20mANA

Deal found 4/20

$597

Thu 6/122:00 pmSIN - PDX

2 stops21h 08mSTARLUX Airlines

Deal found 4/21

$615

Wed 6/112:00 amSIN - PDX

2 stops44h 52mChina Airlines

Deal found 4/20

$640

Sat 5/103:10 pmSIN - SEA

2 stops43h 45mEVA Air

Deal found 4/20

$653

Sun 6/89:00 amSIN - SEA

Nonstop14h 45mSingapore Airlines

Deal found 4/21

$665

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 6/6

1:10 pm-6:50 pm

1 stop20h 40m

Seattle/Tacoma Intl

Thu 6/12

12:50 am-12:00 pm

1 stop20h 10m

$690

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 6/1

10:50 pm-12:30 pm

1 stop28h 40m

Seattle/Tacoma Intl

Fri 6/27

2:15 pm-9:30 pm

1 stop40h 15m

$728

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 7/14

8:40 pm-1:25 pm

1 stop31h 45m

Seattle/Tacoma Intl

Fri 8/15

2:50 pm-6:15 am

1 stop24h 25m

$729

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 6/3

2:00 am-7:55 pm

1 stop32h 55m

Seattle/Tacoma Intl

Thu 6/26

1:10 am-12:35 pm

1 stop20h 25m

$742

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 5/21

2:00 pm-4:10 pm

1 stop17h 10m

Seattle/Tacoma Intl

Wed 5/21

1:15 am-12:40 pm

1 stop20h 25m

$768

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 6/15

9:10 am-10:13 pm

1 stop28h 03m

Seattle/Tacoma Intl

Mon 8/11

2:55 pm-11:20 pm

2 stops41h 25m

$814

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 5/21

1:10 am-1:35 pm

1 stop27h 25m

Seattle/Tacoma Intl

Thu 8/14

1:05 pm-11:40 pm

1 stop19h 35m

$881

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 5/14

1:10 am-10:40 am

1 stop24h 30m

Seattle/Tacoma Intl

Thu 7/24

1:20 pm-7:55 pm

1 stop39h 35m

$884

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 5/12

1:45 pm-7:30 pm

1 stop20h 45m

Seattle/Tacoma Intl

Sat 5/17

8:01 pm-12:35 pm

2 stops25h 34m

$906

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 6/6

10:15 am-5:15 pm

1 stop46h 00m

Seattle/Tacoma Intl

Fri 6/13

7:10 pm-8:30 am

1 stop46h 20m

$935

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 42 results

...

Best time to book a flight from Singapore to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington 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.

Cheapflights Insights

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

What is the cheapest month to book a flight from Singapore to State of Washington?

Currently, January is the cheapest month in which you can book a flight from Singapore to State of Washington (average of $238). Flying from Singapore to State of Washington 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 WA?

When flying from Singapore to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Washington by month

In terms of precipitation, rainfall in State of Washington 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 State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

If weather is an important factor for your trip to State of Washington, 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 Washington

To help decide which airline to fly from Singapore to Washington, see what other customers have to say about STARLUX Airlines, EVA Air and Korean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

STARLUX Airlines

9.1

Wonderful

157 reviews

Reviews

1 / 6

10.0

Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

STARLUX Airlines

9.1

Wonderful

157 reviews

STARLUX Airlines

9.1

Wonderful

157 reviews

Reviews

1 / 6

10.0

Excellent

Anonymous,Apr 2025

KIX - TPE

EVA Air

8.4

Very good

1,180 reviews

STARLUX Airlines

9.1

Wonderful

157 reviews

Reviews

1 / 6

10.0

Excellent

Anonymous,Apr 2025

KIX - TPE

Korean Air

8.4

Very good

1,062 reviews

STARLUX Airlines

9.1

Wonderful

157 reviews

Reviews

1 / 6

10.0

Excellent

Anonymous,Apr 2025

KIX - TPE

Japan Airlines

8.3

Very good

1,450 reviews

STARLUX Airlines

9.1

Wonderful

157 reviews

Reviews

1 / 6

10.0

Excellent

Anonymous,Apr 2025

KIX - TPE

China Airlines

8.3

Very good

727 reviews

STARLUX Airlines

9.1

Wonderful

157 reviews

Reviews

1 / 6

10.0

Excellent

Anonymous,Apr 2025

KIX - TPE

Related info for your journey

What airport do you fly from for flights from Singapore to Washington?
Singapore Changi (SIN) is the airport you will fly out of if you book a flight from Singapore to Washington. It is only a 10.5 mi journey to Changi (SIN) from Singapore’s city center.
How popular is this Singapore to State of Washington flight route?
The Singapore Changi to Washington 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 to fly from Singapore to State of Washington one-way?
For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $456. Users have also found prices from $486 and $503 on China Airlines and XiamenAir, respectively.
What are the cheapest flights from Singapore to State of Washington?
The cheapest flight price from Singapore to State of Washington is $488. On average you can expect to pay $898. The most popular route, (Singapore Changi - Seattle/Tacoma Intl), can usually be booked for $711.
Can I find deals for flights from Singapore to Washington that include hotel bookings?
Yes. In addition to deals on Singapore to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Singapore to Washington?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to Washington.
Can I find deals for business class flights from Singapore to Washington?
Yes. Cheapflights offers flight deals from Singapore to Washington 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 State of Washington?
Currently, January is the cheapest month in which you can book a flight from Singapore to State of Washington (average of $238). Flying from Singapore to State of Washington 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

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Singapore to Washington

Airline	Cheapest	Average	Flexibility	On-time
Singapore Airlines	Cheapest$763	Average$1,371	FlexibilityNo cancel fee	On-time81%
EVA Air	Cheapest$781	Average$1,033	FlexibilityNo cancel fee	On-time74%
United Airlines	Cheapest$799	Average$874	FlexibilityNo cancel fee	On-time69%
STARLUX Airlines	Cheapest$801	Average$931	FlexibilityNo cancel fee	On-timeN/A
ANA	Cheapest$859	Average$985	FlexibilityNo cancel fee	On-time80%
American Airlines	Cheapest$990	Average$1,190	FlexibilityNo cancel fee	On-time71%

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$446+ Cheap flights from Singapore (SIN) to Washington

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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Singapore to Washington with Cheapflights

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Cheap flight deals from Singapore to Washington

Keep the following information in mind while searching for Singapore to Washington flight deals. Data was last updated April 22, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good one-way deal

Find flight deals from Singapore to Washington

Cheapest flights from Singapore to WashingtonExplore the most affordable flight options available from Singapore to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Explore the most affordable flight options available from Singapore to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Singapore to Washington

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

Cheapflights Insights

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

What is the cheapest month to book a flight from Singapore to State of Washington?

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

Find hourly flight availability from Singapore to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 22, 2025.

Rainfall in Washington by month

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

Temperature in Washington by month

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

Reviews of airlines servicing Washington

To help decide which airline to fly from Singapore to Washington, see what other customers have to say about STARLUX Airlines, EVA Air and Korean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What airport do you fly from for flights from Singapore to Washington?

How popular is this Singapore to State of Washington flight route?

What are the cheapest airlines to fly from Singapore to State of Washington one-way?

What are the cheapest flights from Singapore to State of Washington?

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

How can I find direct flights from Singapore to Washington?

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

What is the cheapest month to book a flight from Singapore to State of Washington?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Singapore to Washington

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Singapore to Washington

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Cheapest flights from Singapore to Washington
Explore the most affordable flight options available from Singapore to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.