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$407+ Cheap flights from Singapore 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$648
(CheapTickets)

One-way from

$407
(Mytrip)

Popular in

June

Cheapest in

September

Average price

$874

Good one-way deal

$539 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 to Washington
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One-way flight from Singapore to Washington
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Highest demand for flights based on searches. 3% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a one-way flight from Singapore 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 October 16, 2025.

This CheapTickets deal was found by Cheapflights users on 10/16. 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.
Thu 11/208:10 pmSIN - SEA
1 stop38h 30mPhilippine Airlines
Thu 11/279:30 pmSEA - SIN
1 stop34h 10mPhilippine Airlines
Deal found 10/16$648
This Trip.com deal was found by Cheapflights users on 10/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1512:40 amSIN - SEA
1 stop34h 00mPhilippine Airlines
Fri 11/289:30 pmSEA - SIN
1 stop29h 40mPhilippine Airlines
Deal found 10/14$650
This Cheapflightsfares deal was found by Cheapflights users on 10/16. 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.
Sun 11/162:10 pmSIN - SEA
1 stop20h 30mPhilippine Airlines
Sun 11/239:30 pmSEA - SIN
1 stop23h 30mPhilippine Airlines
Deal found 10/16$651
This FlightHub deal was found by Cheapflights users on 10/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2711:10 pmSIN - SEA
1 stop30h 45mAsiana Airlines
Sat 11/1512:10 amSEA - SIN
1 stop29h 45mAsiana Airlines
Deal found 10/14$654
This Philippine Airlines deal was found by Cheapflights users on 10/16. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1812:40 amSIN - SEA
1 stop34h 00mPhilippine Airlines
Thu 11/279:30 pmSEA - SIN
1 stop20h 05mPhilippine Airlines
Deal found 10/16$705
This Philippine Airlines deal was found by Cheapflights users on 10/16. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1812:40 amSIN - SEA
1 stop34h 00mPhilippine Airlines
Wed 11/269:30 pmSEA - SIN
1 stop29h 40mPhilippine Airlines
Deal found 10/16$706
This Gotogate deal was found by Cheapflights users on 10/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1911:10 pmSIN - SEA
1 stop30h 45mAsiana Airlines
Tue 11/2512:10 amSEA - SIN
1 stop29h 45mAsiana Airlines
Deal found 10/15$711
This Gotogate deal was found by Cheapflights users on 10/15. 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 Gotogate 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
Sat 11/1512:10 amSEA - SIN
1 stop29h 45mAsiana Airlines
Deal found 10/15$719
This Asiana Airlines deal was found by Cheapflights users on 10/16. 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 11/1911:10 pmSIN - SEA
1 stop30h 45mAsiana Airlines
Sat 11/2912:10 amSEA - SIN
1 stop29h 45mAsiana Airlines
Deal found 10/16$744
This Mytrip deal was found by Cheapflights users on 10/15. 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 11/53:45 pmSIN - SEA
2 stops32h 20mMultiple Airlines
Sun 11/169:30 pmSEA - SIN
1 stop29h 40mMultiple Airlines
Deal found 10/15$745
This Gotogate deal was found by Cheapflights users on 10/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:10 pmSIN - PDX
2 stops50h 05mAir Canada
Sat 11/153:15 pmPDX - SIN
2 stops28h 00mAir Canada
Deal found 10/15$832
This Gotogate deal was found by Cheapflights users on 10/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/111:10 amSIN - PDX
2 stops29h 30mMultiple Airlines
Sat 11/153:15 pmPDX - SIN
2 stops28h 00mMultiple Airlines
Deal found 10/15$868

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 October 16, 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

Tue 11/18

12:40 am-6:40 pm

1 stop34h 00m

Seattle/Tacoma Intl

Wed 11/26

9:30 pm-9:35 am

1 stop20h 05m

$705

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 11/18

8:10 pm-6:40 pm

1 stop38h 30m

Seattle/Tacoma Intl

Fri 11/28

9:30 pm-9:35 am

1 stop20h 05m

$705

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 11/18

8:10 pm-6:40 pm

1 stop38h 30m

Seattle/Tacoma Intl

Tue 11/25

9:30 pm-7:10 pm

1 stop29h 40m

$705

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 11/18

12:40 am-6:40 pm

1 stop34h 00m

Seattle/Tacoma Intl

Thu 11/27

9:30 pm-9:35 am

1 stop20h 05m

$705

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 11/23

10:35 am-6:40 pm

1 stop24h 05m

Seattle/Tacoma Intl

Wed 11/26

9:30 pm-1:00 pm

1 stop23h 30m

$705

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 11/20

8:10 pm-6:40 pm

1 stop38h 30m

Seattle/Tacoma Intl

Wed 11/26

9:30 pm-7:10 pm

1 stop29h 40m

$705

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 11/21

2:10 pm-6:40 pm

1 stop20h 30m

Seattle/Tacoma Intl

Tue 11/25

9:30 pm-1:00 pm

1 stop23h 30m

$705

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 11/23

10:35 am-6:40 pm

1 stop24h 05m

Seattle/Tacoma Intl

Thu 11/27

9:30 pm-1:00 pm

1 stop23h 30m

$705

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 11/21

2:10 pm-6:40 pm

1 stop20h 30m

Seattle/Tacoma Intl

Thu 11/27

9:30 pm-9:35 am

1 stop20h 05m

$705

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 11/19

2:10 pm-6:40 pm

1 stop20h 30m

Seattle/Tacoma Intl

Tue 11/25

9:30 pm-1:00 pm

1 stop23h 30m

$705

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 39 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, October is the cheapest month in which you can book a flight from Singapore to State of Washington (average of $617). Flying from Singapore to State of Washington in January is currently the most expensive (average of $882). 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 SG 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 October 16, 2025.

It’s typically best to fly out from Singapore to State of Washington at noon. Doing so could potentially save you 30% on the flight price compared to flying in the evening, which is usually more expensive.

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 October 16, 2025.
Read reviews from past customers who have flown STARLUX Airlines, EVA Air, and Singapore Airlines from Singapore to Washington. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
8.9
Very good
219 reviews

Comfort

8.9

Crew

9.2

Overall

8.9

Boarding

8.9

Entertainment

8.8

Food

8.7

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
219 reviews
STARLUX Airlines
8.9
Very good
219 reviews

Comfort

8.9

Crew

9.2

Overall

8.9

Boarding

8.9

Entertainment

8.8

Food

8.7

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
1,251 reviews
STARLUX Airlines
8.9
Very good
219 reviews

Comfort

8.9

Crew

9.2

Overall

8.9

Boarding

8.9

Entertainment

8.8

Food

8.7

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
1,382 reviews
STARLUX Airlines
8.9
Very good
219 reviews

Comfort

8.9

Crew

9.2

Overall

8.9

Boarding

8.9

Entertainment

8.8

Food

8.7

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
8,980 reviews
STARLUX Airlines
8.9
Very good
219 reviews

Comfort

8.9

Crew

9.2

Overall

8.9

Boarding

8.9

Entertainment

8.8

Food

8.7

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.

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

    The Singapore 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 21h 52m. Singapore and State of Washington are separated by a distance of 8123 mi. This flight may include one or multiple stops.

  • 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, October is the cheapest month in which you can book a flight from Singapore to State of Washington (average of $617). Flying from Singapore to State of Washington in January is currently the most expensive (average of $882). 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$761Average$808FlexibilityNo 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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