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$493+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$768
(Kiwi.com)

One-way from

$493
(CheapTickets)

Popular in

August

Cheapest in

February

Average price

$976

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
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Highest demand for flights based on searches. 7% potential increase in price ($79 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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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 May 1, 2025.

This Jettzy deal was found by Cheapflights users on 4/30. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/110:50 pmSIN - SEA
1 stop28h 40mAsiana Airlines
Tue 6/102:15 pmSEA - SIN
1 stop40h 15mAsiana Airlines
Deal found 4/30$771
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:10 pmSIN - SEA
2 stops33h 20mMultiple Airlines
Tue 5/132:15 pmSEA - SIN
2 stops26h 00mMultiple Airlines
Deal found 4/30$778
This Gotogate deal was found by Cheapflights users on 4/30. 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.
Sun 6/12:00 pmSIN - SEA
1 stop17h 10mSTARLUX Airlines
Mon 6/91:15 amSEA - SIN
1 stop20h 25mSTARLUX Airlines
Deal found 4/30$783
This CheapTickets deal was found by Cheapflights users on 4/30. 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.
Fri 10/311:15 pmSIN - SEA
1 stop20h 55mEVA Air
Sat 11/812:10 amSEA - SIN
1 stop19h 55mEVA Air
Deal found 4/30$811
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 6/58:40 pmSIN - SEA
1 stop29h 41mUnited Airlines
Sat 8/95:10 amSEA - SIN
1 stop34h 05mUnited Airlines
Deal found 4/30$822
This oojo deal was found by Cheapflights users on 4/30. 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.
Wed 5/211:10 amSIN - SEA
1 stop24h 30mKorean Air
Thu 8/141:20 pmSEA - SIN
1 stop19h 20mKorean Air
Deal found 4/30$825
This oojo deal was found by Cheapflights users on 4/30. 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.
Sat 6/142:00 amSIN - SEA
1 stop32h 30mChina Airlines
Sun 8/101:40 amSEA - SIN
1 stop19h 55mChina Airlines
Deal found 4/30$832
This Air Canada deal was found by Cheapflights users on 4/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/109:10 amSIN - SEA
1 stop18h 48mAir Canada
Tue 6/241:45 pmSEA - SIN
1 stop26h 20mAir Canada
Deal found 4/30$836
This Expedia deal was found by Cheapflights users on 4/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/219:00 amSIN - SEA
Nonstop14h 45mSingapore Airlines
Sun 9/2810:15 amSEA - SIN
Nonstop16h 20mSingapore Airlines
Deal found 4/30$839
This Delta deal was found by Cheapflights users on 4/30. 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.
Fri 11/2111:00 amSIN - SEA
1 stop18h 05mDelta
Sun 11/3011:15 amSEA - SIN
1 stop20h 55mDelta
Deal found 4/30$851
This KAYAK deal was found by Cheapflights users on 4/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/210:10 pmSIN - SEA
1 stop31h 15mANA
Mon 8/114:30 pmSEA - SIN
1 stop23h 10mANA
Deal found 4/30$942
This Jettzy deal was found by Cheapflights users on 4/30. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/142:00 pmSIN - PDX
2 stops22h 13mMultiple Airlines
Sat 6/212:50 pmPDX - SIN
2 stops30h 50mMultiple Airlines
Deal found 4/30$994

Cheapflights Fare Finder

Customize your flight search to find flights from Singapore to Washington 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 May 1, 2025.
Use the filters below to find and compare flights from Singapore to Washington that are best for you.

Fly from

Singapore

Fly to

Washington

Route

Depart

Return

Price

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 6/1

10:50 pm-12:30 pm

1 stop28h 40m

Seattle/Tacoma Intl

Tue 6/10

2:15 pm-9:30 pm

1 stop40h 15m

$771

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 6/1

2:00 pm-4:10 pm

1 stop17h 10m

Seattle/Tacoma Intl

Mon 6/9

1:15 am-12:40 pm

1 stop20h 25m

$783

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 5/13

2:15 am-10:40 am

1 stop23h 25m

Seattle/Tacoma Intl

Sat 5/17

12:50 pm-2:25 pm

2 stops34h 35m

$797

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 6/5

8:40 pm-11:21 am

1 stop29h 41m

Seattle/Tacoma Intl

Sat 8/9

5:10 am-6:15 am

1 stop34h 05m

$822

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 5/21

1:10 am-10:40 am

1 stop24h 30m

Seattle/Tacoma Intl

Thu 8/14

1:20 pm-11:40 pm

1 stop19h 20m

$825

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 6/14

2:00 am-7:30 pm

1 stop32h 30m

Seattle/Tacoma Intl

Sun 8/10

1:40 am-12:35 pm

1 stop19h 55m

$832

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 6/10

9:10 am-12:58 pm

1 stop18h 48m

Seattle/Tacoma Intl

Tue 6/24

1:45 pm-7:05 am

1 stop26h 20m

$836

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 9/21

9:00 am-8:45 am

Nonstop14h 45m

Seattle/Tacoma Intl

Sun 9/28

10:15 am-5:35 pm

Nonstop16h 20m

$839

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 7/12

1:10 pm-7:50 pm

1 stop21h 40m

Seattle/Tacoma Intl

Thu 8/14

1:10 am-12:00 pm

1 stop19h 50m

$867

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 7/2

10:10 pm-2:25 pm

1 stop31h 15m

Seattle/Tacoma Intl

Mon 8/11

4:30 pm-6:40 am

1 stop23h 10m

$942

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 37 results
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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 $405). 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?

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 May 1, 2025.

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

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

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

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated May 1, 2025.
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
161 reviews

Overall

9.1

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Food

8.9

Crew

9.3

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
161 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Overall

9.1

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Food

8.9

Crew

9.3

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.
EVA Air
8.4
Very good
1,186 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Overall

9.1

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Food

8.9

Crew

9.3

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.
Korean Air
8.4
Very good
1,068 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Overall

9.1

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Food

8.9

Crew

9.3

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.
Japan Airlines
8.3
Very good
1,464 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Overall

9.1

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Food

8.9

Crew

9.3

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.
China Airlines
8.3
Very good
732 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Overall

9.1

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Food

8.9

Crew

9.3

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.

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?

    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 China Airlines. According to our data, you can fly for as low as $497. Users have also found prices from $505 and $520 on STARLUX Airlines and United Airlines, 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 $1,305. The most popular route, (Singapore Changi - Seattle/Tacoma Intl), can usually be booked for $534.

  • 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 $405). 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

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Alternative routes for Singapore to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Singapore to Washington

Discover the top 6 airlines that operate flights from Singapore to Washington. 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$763Average$1,396FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$781Average$1,033FlexibilityNo cancel feeOn-time74%
STARLUX AirlinesCheapest$795Average$931FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$799Average$869FlexibilityNo cancel feeOn-time69%
ANACheapest$859Average$998FlexibilityNo cancel feeOn-time80%
American AirlinesCheapest$990Average$1,220FlexibilityNo cancel feeOn-time71%

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