Washington

$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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
Dec 3 — Dec 101
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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 November 3, 2025.

This Air Canada deal was found by Cheapflights users on 11/1. 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 11/188:50 amSIN - SEA
1 stop16h 41mAir Canada
Thu 11/2710:05 amSEA - SIN
1 stop28h 55mAir Canada
Deal found 11/1$588
This CheapTickets deal was found by Cheapflights users on 11/1. 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 11/192:10 pmSIN - SEA
1 stop20h 30mPhilippine Airlines
Tue 11/259:30 pmSEA - SIN
1 stop20h 05mPhilippine Airlines
Deal found 11/1$646
This Air Canada deal was found by Cheapflights users on 11/1. 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 11/188:50 amSIN - SEA
1 stop16h 41mAir Canada
Wed 11/265:50 amSEA - SIN
1 stop33h 10mAir Canada
Deal found 11/1$658
This Air Canada deal was found by Cheapflights users on 11/2. 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.
Mon 11/179:00 pmSIN - SEA
2 stops28h 31mAir Canada
Thu 11/273:40 pmSEA - SIN
1 stop23h 20mAir Canada
Deal found 11/2$660
This Air Canada deal was found by Cheapflights users on 11/1. 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.
Mon 11/179:00 pmSIN - SEA
2 stops28h 31mAir Canada
Mon 11/2410:05 amSEA - SIN
2 stops36h 45mAir Canada
Deal found 11/1$661
This Air Canada deal was found by Cheapflights users on 11/1. 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.
Thu 11/208:50 amSIN - SEA
1 stop29h 16mAir Canada
Tue 11/255:50 amSEA - SIN
2 stops48h 05mAir Canada
Deal found 11/1$665
This Air Canada deal was found by Cheapflights users on 11/1. 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.
Mon 11/179:00 pmSIN - SEA
2 stops28h 31mAir Canada
Tue 11/255:50 amSEA - SIN
2 stops48h 05mAir Canada
Deal found 11/1$667
This Air Canada deal was found by Cheapflights users on 11/2. 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.
Sun 11/169:00 pmSIN - SEA
2 stops28h 31mAir Canada
Thu 11/273:40 pmSEA - SIN
1 stop23h 20mAir Canada
Deal found 11/2$668
This Air Canada deal was found by Cheapflights users on 11/1. 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 11/188:50 amSIN - SEA
1 stop16h 41mAir Canada
Sun 11/238:00 pmSEA - SIN
2 stops36h 55mAir Canada
Deal found 11/1$671
This STARLUX Airlines deal was found by Cheapflights users on 11/1. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/142:45 pmSIN - PDX
2 stops21h 52mSTARLUX Airlines
Tue 11/185:30 pmPDX - SIN
2 stops27h 55mSTARLUX Airlines
Deal found 11/1$1,072
This CheapTickets deal was found by Cheapflights users on 11/3. 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 12/183:45 pmSIN - PDX
2 stops24h 27mMultiple Airlines
Thu 12/252:56 pmPDX - SIN
2 stops29h 09mMultiple Airlines
Deal found 11/3$1,171
This Cathay Pacific deal was found by Cheapflights users on 11/2. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/131:25 amSIN - PDX
2 stops37h 09mCathay Pacific
Tue 11/183:29 pmPDX - SIN
2 stops28h 26mCathay Pacific
Deal found 11/2$1,179

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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$588
(Air Canada)

One-way from

$406
(SmartFares)

Popular in

June

Cheapest in

September

Average price

$878

Good round-trip deal

$946 or less

Good one-way deal

$471 or less
Provider with most accurate pricing for Singapore Changi-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Singapore Changi-Seattle/Tacoma Intl flights.
From Singapore Changi to Washington
One-way flight from Singapore Changi to Washington
Highest demand for flights based on searches. 3% potential increase in price ($30 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in November 2025
Price to beat on a round-trip flight from Singapore Changi to Washington.
Price to beat on a one-way flight from Singapore Changi to Washington.

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 November 3, 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 3/24

8:10 pm-7:40 pm

1 stop38h 30m

Seattle/Tacoma Intl

Sun 4/12

11:55 pm-9:40 am

1 stop18h 45m

$702

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-9:35 am

1 stop20h 05m

$702

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 3/29

6:00 pm-10:10 am

1 stop31h 10m

Seattle/Tacoma Intl

Tue 4/14

11:50 am-3:25 pm

1 stop36h 35m

$707

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 11/21

10:10 am-1:38 pm

1 stop19h 28m

Seattle/Tacoma Intl

Sat 11/29

5:30 am-8:15 pm

1 stop22h 45m

$769

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 3/12

10:20 pm-11:19 am

1 stop27h 59m

Seattle/Tacoma Intl

Mon 3/16

7:15 am-8:15 pm

1 stop22h 00m

$769

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 11/17

10:10 am-1:38 pm

1 stop19h 28m

Seattle/Tacoma Intl

Wed 11/26

7:00 am-8:15 pm

1 stop21h 15m

$769

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 11/17

10:10 am-4:15 pm

1 stop22h 05m

Seattle/Tacoma Intl

Fri 11/28

7:00 am-8:15 pm

1 stop21h 15m

$769

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 11/22

10:10 am-1:38 pm

1 stop19h 28m

Seattle/Tacoma Intl

Wed 11/26

7:00 am-8:15 pm

1 stop21h 15m

$769

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 11/19

10:20 pm-12:59 am

1 stop18h 39m

Seattle/Tacoma Intl

Tue 11/25

3:37 pm-8:00 am

1 stop24h 23m

$769

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 3/21

9:00 am-8:10 am

Nonstop14h 10m

Seattle/Tacoma Intl

Tue 3/31

10:15 am-5:35 pm

Nonstop16h 20m

$822

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

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, 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 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 November 3, 2025.

Unlike in the morning, 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.

How much does it cost to fly round-trip from Singapore to State of Washington?

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 November 3, 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.

Entertainment

8.8

Food

8.7

Overall

8.9

Crew

9.2

Comfort

8.9

Boarding

8.9

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!

Entertainment

8.8

Food

8.7

Overall

8.9

Crew

9.2

Comfort

8.9

Boarding

8.9

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!

Entertainment

8.8

Food

8.7

Overall

8.9

Crew

9.2

Comfort

8.9

Boarding

8.9

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!

Entertainment

8.8

Food

8.7

Overall

8.9

Crew

9.2

Comfort

8.9

Boarding

8.9

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!

Entertainment

8.8

Food

8.7

Overall

8.9

Crew

9.2

Comfort

8.9

Boarding

8.9

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?

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

    Departing from Singapore to State of Washington will take you 19h 28m. 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 $463. On average you can expect to pay $2,585. The most popular route, (Singapore Changi - Seattle/Tacoma Intl), can usually be booked for $692.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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.

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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$761Average$808FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$763Average$1,181FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$779Average$864FlexibilityNo cancel feeOn-time74%
STARLUX AirlinesCheapest$785Average$836FlexibilityNo cancel feeOn-timeN/A

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