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$406+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This CheapTickets deal was found by Cheapflights users on 12/16. 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 12/251:15 pmSIN - SEA
1 stop20h 15mEVA Air
Tue 1/611:30 pmSEA - SIN
1 stop23h 00mEVA Air
Deal found 12/16$828
This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/281:15 pmSIN - SEA
1 stop20h 55mEVA Air
Sat 1/1012:10 amSEA - SIN
1 stop22h 20mEVA Air
Deal found 12/15$854
This Delta deal was found by Cheapflights users on 12/17. 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.
Thu 12/2510:30 pmSIN - SEA
1 stop30h 50mDelta
Tue 1/67:15 amSEA - SIN
2 stops29h 45mDelta
Deal found 12/17$879
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:10 amSIN - SEA
1 stop30h 49mUnited Airlines
Sun 1/116:18 amSEA - SIN
1 stop21h 57mUnited Airlines
Deal found 12/16$925
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:10 amSIN - SEA
3 stops27h 07mUnited Airlines
Tue 1/65:10 pmSEA - SIN
1 stop22h 50mUnited Airlines
Deal found 12/16$976
This CheapOair deal was found by Cheapflights users on 12/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/234:40 amSIN - SEA
2 stops43h 25mMultiple Airlines
Tue 12/3012:10 amSEA - SIN
1 stop19h 55mMultiple Airlines
Deal found 12/17$1,151
This Mytrip deal was found by Cheapflights users on 12/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:30 pmSIN - SEA
3 stops35h 10mMultiple Airlines
Mon 1/512:10 amSEA - SIN
2 stops35h 50mMultiple Airlines
Deal found 12/16$1,240
This Orbitz deal was found by Cheapflights users on 12/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:00 amSIN - SEA
2 stops20h 27mMultiple Airlines
Sun 1/116:20 amSEA - SIN
2 stops26h 05mMultiple Airlines
Deal found 12/16$1,279

Find flight deals from Singapore to Washington

Keep the following information in mind while searching for Singapore to Washington flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$726
(oojo)

One-way from

$406
(SmartFares)

Popular in

January

Cheapest in

October

Average price

$905

Good one-way deal

$794 or less
Provider with most accurate pricing for Singapore Changi-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Singapore Changi-Seattle/Tacoma Intl flights.
Search Deals
From Singapore Changi to Washington
Search Deals
One-way flight from Singapore Changi to Washington
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a one-way flight from Singapore Changi to Washington.
Search Deals

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 December 18, 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 2/1

10:30 pm-9:00 am

1 stop26h 30m

Seattle/Tacoma Intl

Sun 2/8

11:00 am-5:00 am

1 stop26h 00m

$761

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 3/4

2:00 am-6:10 pm

1 stop32h 10m

Seattle/Tacoma Intl

Sun 3/8

1:10 am-12:40 am

1 stop32h 30m

$763

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 3/15

2:25 pm-7:10 pm

1 stop19h 45m

Seattle/Tacoma Intl

Sun 3/22

1:10 am-12:40 am

1 stop32h 30m

$764

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 3/16

2:25 pm-7:10 pm

1 stop19h 45m

Seattle/Tacoma Intl

Sun 3/22

1:10 am-12:40 am

1 stop32h 30m

$764

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 3/18

10:10 am-4:14 pm

1 stop21h 04m

Seattle/Tacoma Intl

Sun 3/22

12:36 pm-7:00 am

1 stop27h 24m

$775

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 1/22

10:10 am-9:12 pm

1 stop27h 02m

Seattle/Tacoma Intl

Thu 1/29

7:30 pm-8:15 pm

1 stop32h 45m

$776

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 3/12

2:25 pm-7:10 pm

1 stop19h 45m

Seattle/Tacoma Intl

Tue 3/24

1:10 am-1:05 pm

1 stop20h 55m

$780

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 3/16

2:25 pm-7:10 pm

1 stop19h 45m

Seattle/Tacoma Intl

Mon 3/23

1:10 am-12:40 am

1 stop32h 30m

$780

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 3/14

2:00 am-7:10 pm

1 stop32h 10m

Seattle/Tacoma Intl

Mon 3/23

1:10 am-12:40 am

1 stop32h 30m

$780

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 3/17

2:25 pm-7:10 pm

1 stop19h 45m

Seattle/Tacoma Intl

Thu 3/19

1:10 am-1:05 pm

1 stop20h 55m

$804

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 36 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 $592). Flying from Singapore to State of Washington in January is currently the most expensive (average of $891). 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 December 18, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 30% on flights from Singapore to State of Washington by exploring options for tickets at noon.

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 December 18, 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
245 reviews

Comfort

8.8

Boarding

8.9

Food

8.7

Overall

8.9

Entertainment

8.8

Crew

9.2

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
STARLUX Airlines
8.9
Very good
245 reviews
STARLUX Airlines
8.9
Very good
245 reviews

Comfort

8.8

Boarding

8.9

Food

8.7

Overall

8.9

Entertainment

8.8

Crew

9.2

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
EVA Air
8.5
Very good
1,295 reviews
STARLUX Airlines
8.9
Very good
245 reviews

Comfort

8.8

Boarding

8.9

Food

8.7

Overall

8.9

Entertainment

8.8

Crew

9.2

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
Singapore Airlines
8.1
Very good
1,413 reviews
STARLUX Airlines
8.9
Very good
245 reviews

Comfort

8.8

Boarding

8.9

Food

8.7

Overall

8.9

Entertainment

8.8

Crew

9.2

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
United Airlines
7.4
Good
9,092 reviews
STARLUX Airlines
8.9
Very good
245 reviews

Comfort

8.8

Boarding

8.9

Food

8.7

Overall

8.9

Entertainment

8.8

Crew

9.2

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

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 16h 25m. Singapore and State of Washington are separated by a distance of 8123 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for Singapore Airlines. According to our data, you can fly for as low as $406. Users have also found prices from $422 and $446 on Air Canada 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 $726. On average you can expect to pay $3,440. The most popular route, (Singapore Changi - Seattle/Tacoma Intl), can usually be booked for $765.

  • 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 $592). Flying from Singapore to State of Washington in January is currently the most expensive (average of $891). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$761Average$802FlexibilityNo cancel feeOn-time69%
EVA AirCheapest$779Average$850FlexibilityNo cancel feeOn-time74%
STARLUX AirlinesCheapest$785Average$836FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$833Average$1,114FlexibilityNo cancel feeOn-time81%

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