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$465+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$594
(Flightnetwork)

One-way from

$465

Popular in

January

Cheapest in

February

Average price

$873

Good one-way deal

$835 or less
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. 2% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 15, 2025.

This Flightnetwork deal was found by Cheapflights users on 9/15. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:10 pmSIN - SEA
1 stop30h 45mAsiana Airlines
Tue 11/412:10 amSEA - SIN
1 stop29h 45mAsiana Airlines
Deal found 9/15$594
This Jettzy deal was found by Cheapflights users on 9/15. 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.
Wed 11/511:10 pmSIN - SEA
1 stop30h 45mAsiana Airlines
Tue 11/1112:10 amSEA - SIN
1 stop29h 45mAsiana Airlines
Deal found 9/15$603
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Wed 10/2911:55 pmSIN - SEA
2 stops30h 00mMultiple Airlines
Tue 11/412:10 amSEA - SIN
2 stops25h 50mMultiple Airlines
Deal found 9/14$666
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Wed 11/59:00 pmSIN - SEA
2 stops32h 55mMultiple Airlines
Tue 11/1112:10 amSEA - SIN
2 stops27h 30mMultiple Airlines
Deal found 9/15$690
This Asiana Airlines deal was found by Cheapflights users on 9/15. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:10 pmSIN - SEA
1 stop30h 45mAsiana Airlines
Sun 11/2312:10 amSEA - SIN
1 stop29h 45mAsiana Airlines
Deal found 9/15$701
This Asiana Airlines deal was found by Cheapflights users on 9/15. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/211:10 pmSIN - SEA
1 stop30h 45mAsiana Airlines
Sun 11/912:10 amSEA - SIN
1 stop29h 45mAsiana Airlines
Deal found 9/15$724
This CheapTickets deal was found by Cheapflights users on 9/13. 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.
Wed 10/222:00 amSIN - SEA
1 stop32h 20mChina Airlines
Mon 10/271:10 amSEA - SIN
1 stop20h 55mChina Airlines
Deal found 9/13$735
This lol.travel deal was found by Cheapflights users on 9/14. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/248:45 amSIN - SEA
1 stop25h 00mUnited Airlines
Sun 11/95:20 pmSEA - SIN
1 stop22h 40mUnited Airlines
Deal found 9/14$738
This CheapTickets deal was found by Cheapflights users on 9/13. 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.
Sun 9/281:45 pmSIN - PDX
2 stops34h 40mMultiple Airlines
Thu 10/231:25 pmPDX - SIN
2 stops32h 10mMultiple Airlines
Deal found 9/13$871
This Gotogate deal was found by Cheapflights users on 9/13. 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 9/2810:10 pmSIN - PDX
2 stops35h 36mAir Canada
Thu 10/237:40 pmPDX - SIN
1 stop20h 25mAir Canada
Deal found 9/13$882
This SmartFares deal was found by Cheapflights users on 9/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/303:45 pmSIN - PDX
2 stops22h 52mMultiple Airlines
Thu 11/65:30 pmPDX - SIN
2 stops26h 35mMultiple Airlines
Deal found 9/14$947
This oojo deal was found by Cheapflights users on 9/14. 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 10/292:00 amSIN - PDX
2 stops46h 06mChina Airlines
Thu 11/65:41 pmPDX - SIN
2 stops27h 24mChina Airlines
Deal found 9/14$954

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 September 15, 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

Thu 3/12

11:10 pm-2:55 pm

1 stop30h 45m

Seattle/Tacoma Intl

Sun 3/15

12:10 am-9:55 pm

1 stop30h 45m

$662

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 11/21

10:20 pm-12:59 am

1 stop18h 39m

Seattle/Tacoma Intl

Thu 11/27

5:30 am-8:15 pm

1 stop22h 45m

$790

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 11/14

10:10 am-6:25 pm

1 stop24h 15m

Seattle/Tacoma Intl

Sun 11/23

3:37 pm-8:00 am

1 stop24h 23m

$790

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 11/21

10:20 pm-12:59 am

1 stop18h 39m

Seattle/Tacoma Intl

Wed 11/26

7:00 am-8:15 pm

1 stop21h 15m

$790

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 11/13

10:10 am-1:38 pm

1 stop19h 28m

Seattle/Tacoma Intl

Mon 11/17

1:20 pm-8:00 am

1 stop26h 40m

$790

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 11/8

10:10 am-11:15 pm

1 stop29h 05m

Seattle/Tacoma Intl

Fri 11/14

7:00 am-8:15 pm

1 stop21h 15m

$790

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 11/8

10:20 pm-12:59 am

1 stop18h 39m

Seattle/Tacoma Intl

Thu 11/13

5:30 am-8:15 pm

1 stop22h 45m

$790

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 11/2

10:10 am-2:38 pm

1 stop19h 28m

Seattle/Tacoma Intl

Mon 11/10

5:30 am-8:15 pm

1 stop22h 45m

$790

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 11/8

10:10 am-4:15 pm

1 stop22h 05m

Seattle/Tacoma Intl

Tue 11/11

5:20 pm-8:00 am

1 stop22h 40m

$790

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 10/29

10:20 pm-11:15 pm

1 stop39h 55m

Seattle/Tacoma Intl

Wed 11/5

1:20 pm-8:00 am

1 stop26h 40m

$790

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 33 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 June is currently the most expensive (average of $387). 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 September 15, 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.

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 September 15, 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, EVA Air, and Singapore Airlines from Singapore to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
8.9
Very good
211 reviews

Overall

8.9

Food

8.8

Comfort

8.9

Boarding

9.0

Entertainment

8.9

Crew

9.2

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
STARLUX Airlines
8.9
Very good
211 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Overall

8.9

Food

8.8

Comfort

8.9

Boarding

9.0

Entertainment

8.9

Crew

9.2

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
EVA Air
8.4
Very good
1,236 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Overall

8.9

Food

8.8

Comfort

8.9

Boarding

9.0

Entertainment

8.9

Crew

9.2

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
Singapore Airlines
8.1
Very good
1,365 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Overall

8.9

Food

8.8

Comfort

8.9

Boarding

9.0

Entertainment

8.9

Crew

9.2

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
United Airlines
7.4
Good
8,929 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Overall

8.9

Food

8.8

Comfort

8.9

Boarding

9.0

Entertainment

8.9

Crew

9.2

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

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.

  • How long is the flight from Singapore to State of Washington?

    Departing from Singapore to State of Washington will take you 22h 05m. Singapore and State of Washington are separated by a distance of 8059 mi. This flight may include one or multiple stops.

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

    The cheapest flight price from Singapore to State of Washington is $418. On average you can expect to pay $3,633. The most popular route, (Singapore Changi - Seattle/Tacoma Intl), can usually be booked for $738.

  • 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 June is currently the most expensive (average of $387). 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 4 airlines flying from Singapore to Washington

Discover the top 4 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$761Average$855FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$763Average$1,299FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$779Average$864FlexibilityNo cancel feeOn-time74%
STARLUX AirlinesCheapest$785Average$836FlexibilityNo cancel feeOn-timeN/A

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