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$513+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$764
(Gotogate)

One-way from

$513
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$1,044

Good one-way deal

$927 or less
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. 9% potential increase in price ($97 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Gotogate deal was found by Cheapflights users on 6/11. 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.
Mon 9/18:05 amSIN - SEA
1 stop17h 20mJapan Airlines
Tue 9/307:25 amSEA - SIN
2 stops25h 55mJapan Airlines
Deal found 6/11$764
This Flysmarter deal was found by Cheapflights users on 6/10. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/269:10 amSIN - SEA
1 stop24h 26mAir Canada
Thu 7/101:45 pmSEA - SIN
1 stop26h 20mAir Canada
Deal found 6/10$790
This Gotogate deal was found by Cheapflights users on 6/11. 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.
Sat 7/1210:50 pmSIN - SEA
1 stop28h 55mAsiana Airlines
Tue 7/222:30 pmSEA - SIN
1 stop40h 00mAsiana Airlines
Deal found 6/11$801
This CheapTickets deal was found by Cheapflights users on 6/10. 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.
Mon 6/232:00 pmSIN - SEA
1 stop17h 10mSTARLUX Airlines
Sun 7/61:15 amSEA - SIN
1 stop20h 25mSTARLUX Airlines
Deal found 6/10$803
This CheapTickets deal was found by Cheapflights users on 6/12. 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.
Tue 6/241:10 pmSIN - SEA
1 stop21h 20mEVA Air
Sat 7/51:10 amSEA - SIN
1 stop21h 40mEVA Air
Deal found 6/12$819
This oojo deal was found by Cheapflights users on 6/12. 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.
Tue 6/241:45 pmSIN - SEA
1 stop20h 45mChina Airlines
Sat 7/51:40 amSEA - SIN
1 stop31h 55mChina Airlines
Deal found 6/12$827
This Philippine Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 11/2012:30 amSIN - SEA
1 stop35h 05mPhilippine Airlines
Sun 11/3011:55 pmSEA - SIN
1 stop31h 15mPhilippine Airlines
Deal found 6/10$830
This United Airlines deal was found by Cheapflights users on 6/11. 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 9/118:45 amSIN - SEA
1 stop19h 43mUnited Airlines
Tue 9/235:35 pmSEA - SIN
1 stop21h 40mUnited Airlines
Deal found 6/11$834
This oojo deal was found by Cheapflights users on 6/11. 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.
Mon 9/110:30 pmSIN - SEA
1 stop27h 10mKorean Air
Tue 9/3012:50 pmSEA - SIN
1 stop19h 50mKorean Air
Deal found 6/11$838
This Air Canada deal was found by Cheapflights users on 6/10. 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 7/159:10 amSIN - SEA
1 stop20h 06mMultiple Airlines
Fri 8/157:15 pmSEA - SIN
2 stops38h 35mMultiple Airlines
Deal found 6/10$845
This Singapore Airlines deal was found by Cheapflights users on 6/10. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:00 amSIN - SEA
Nonstop14h 10mSingapore Airlines
Sun 11/308:45 amSEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 6/10$941
This Delta deal was found by Cheapflights users on 6/11. 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.
Sun 8/311:10 amSIN - SEA
1 stop27h 30mDelta
Fri 10/3112:10 pmSEA - SIN
1 stop21h 00mDelta
Deal found 6/11$968

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 June 12, 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

Mon 9/1

8:05 am-10:25 am

1 stop17h 20m

Seattle/Tacoma Intl

Tue 9/30

7:25 am-12:20 am

2 stops25h 55m

$764

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 6/26

9:10 am-6:36 pm

1 stop24h 26m

Seattle/Tacoma Intl

Thu 7/10

1:45 pm-7:05 am

1 stop26h 20m

$790

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 7/12

10:50 pm-12:45 pm

1 stop28h 55m

Seattle/Tacoma Intl

Tue 7/22

2:30 pm-9:30 pm

1 stop40h 00m

$801

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 6/23

2:00 pm-4:10 pm

1 stop17h 10m

Seattle/Tacoma Intl

Sun 7/6

1:15 am-12:40 pm

1 stop20h 25m

$803

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 6/24

1:10 pm-7:30 pm

1 stop21h 20m

Seattle/Tacoma Intl

Sat 7/5

1:10 am-1:50 pm

1 stop21h 40m

$819

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 6/24

1:45 pm-7:30 pm

1 stop20h 45m

Seattle/Tacoma Intl

Sat 7/5

1:40 am-12:35 am

1 stop31h 55m

$827

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 6/24

8:45 am-12:59 am

1 stop31h 14m

Seattle/Tacoma Intl

Sun 7/6

5:10 am-6:25 pm

1 stop22h 15m

$835

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 9/1

10:30 pm-10:40 am

1 stop27h 10m

Seattle/Tacoma Intl

Tue 9/30

12:50 pm-11:40 pm

1 stop19h 50m

$838

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 7/15

9:10 am-2:16 pm

1 stop20h 06m

Seattle/Tacoma Intl

Fri 8/15

7:15 pm-12:50 am

2 stops38h 35m

$845

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 8/31

1:10 am-1:40 pm

1 stop27h 30m

Seattle/Tacoma Intl

Fri 10/31

12:10 pm-12:10 am

1 stop21h 00m

$968

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 46 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 $391). 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 June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Singapore to State of Washington as you normally would.

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 June 12, 2025.
Read through reviews of airlines operating flights from Singapore to Washington, such as STARLUX Airlines, EVA Air and Korean Air. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
178 reviews

Entertainment

8.9

Crew

9.3

Overall

9.1

Comfort

9.0

Boarding

9.0

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful
178 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Entertainment

8.9

Crew

9.3

Overall

9.1

Comfort

9.0

Boarding

9.0

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
EVA Air
8.4
Very good
1,202 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Entertainment

8.9

Crew

9.3

Overall

9.1

Comfort

9.0

Boarding

9.0

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Korean Air
8.4
Very good
1,088 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Entertainment

8.9

Crew

9.3

Overall

9.1

Comfort

9.0

Boarding

9.0

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Japan Airlines
8.3
Very good
1,489 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Entertainment

8.9

Crew

9.3

Overall

9.1

Comfort

9.0

Boarding

9.0

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very good
738 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Entertainment

8.9

Crew

9.3

Overall

9.1

Comfort

9.0

Boarding

9.0

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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.

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

    For one-way options, check prices for STARLUX Airlines. According to our data, you can fly for as low as $513. Users have also found prices from $516 and $528 on ANA and United Airlines, respectively.

  • 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 $391). 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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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$762Average$855FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$763Average$1,340FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$779Average$872FlexibilityNo cancel feeOn-time74%
STARLUX AirlinesCheapest$785Average$836FlexibilityNo cancel feeOn-timeN/A
ANACheapest$859Average$980FlexibilityNo cancel feeOn-time80%
American AirlinesCheapest$1,067Average$1,245FlexibilityNo cancel feeOn-time71%

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