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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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$712
(United Airlines)

One-way from

$465
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$859

Good one-way deal

$412 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 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. 11% potential increase in price ($124 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Trip.com deal was found by Cheapflights users on 2/20. 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.
Fri 5/92:00 amSIN - SEA
1 stop32h 30mChina Airlines
Tue 8/51:40 amSEA - SIN
1 stop19h 55mChina Airlines
Deal found 2/20$728
This Gotogate deal was found by Cheapflights users on 2/20. 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.
Thu 4/102:00 pmSIN - SEA
1 stop17h 10mSTARLUX Airlines
Tue 4/221:15 amSEA - SIN
1 stop20h 25mSTARLUX Airlines
Deal found 2/20$730
This Singapore Airlines deal was found by Cheapflights users on 2/19. 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 9/129:00 amSIN - SEA
Nonstop14h 45mSingapore Airlines
Sun 9/2110:15 amSEA - SIN
Nonstop16h 20mSingapore Airlines
Deal found 2/19$812
This Mytrip deal was found by Cheapflights users on 2/20. 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.
Tue 10/1410:30 pmSIN - SEA
1 stop27h 10mKorean Air
Sun 10/2612:00 pmSEA - SIN
1 stop41h 25mKorean Air
Deal found 2/20$818
This CheapTickets deal was found by Cheapflights users on 2/20. 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 5/72:35 pmSIN - SEA
1 stop19h 45mPhilippine Airlines
Wed 5/2111:30 pmSEA - SIN
1 stop18h 55mPhilippine Airlines
Deal found 2/20$820
This United Airlines deal was found by Cheapflights users on 2/20. 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 5/2211:05 amSIN - SEA
1 stop18h 20mUnited Airlines
Thu 8/147:00 amSEA - SIN
1 stop20h 25mUnited Airlines
Deal found 2/20$847
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/142:00 pmSIN - SEA
1 stop17h 10mMultiple Airlines
Sun 10/268:00 pmSEA - SIN
2 stops26h 25mMultiple Airlines
Deal found 2/20$871
This Gotogate deal was found by Cheapflights users on 2/20. 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 10/149:50 amSIN - SEA
2 stops27h 26mAir Canada
Sun 10/267:05 pmSEA - SIN
2 stops25h 10mAir Canada
Deal found 2/20$891
This oojo deal was found by Cheapflights users on 2/20. 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.
Sat 3/221:15 pmSIN - SEA
1 stop20h 55mEVA Air
Fri 3/281:10 amSEA - SIN
1 stop19h 50mEVA Air
Deal found 2/20$947
This Delta deal was found by Cheapflights users on 2/20. 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.
Wed 3/51:30 amSIN - SEA
1 stop28h 05mDelta
Sun 3/96:15 amSEA - SIN
2 stops31h 45mDelta
Deal found 2/20$966
This Trip.com deal was found by Cheapflights users on 2/20. 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.
Thu 4/33:40 amSIN - PDX
2 stops55h 56mMultiple Airlines
Fri 4/119:40 amPDX - SIN
2 stops38h 45mMultiple Airlines
Deal found 2/20$1,017
This FlightHub deal was found by Cheapflights users on 2/19. 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.
Sat 5/3110:50 pmSIN - SEA
1 stop28h 40mAsiana Airlines
Mon 6/302:15 pmSEA - SIN
1 stop40h 15mAsiana Airlines
Deal found 2/19$1,079

Find flights from Singapore to Washington within your budget

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 February 20, 2025.

Fly from

Singapore

Fly to

Washington

Route

Depart

Return

Price

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 6/10

8:45 am-1:22 pm

1 stop19h 37m

Seattle/Tacoma Intl

Sat 8/9

7:33 pm-6:25 pm

1 stop31h 52m

$712

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 5/5

2:00 am-7:30 pm

1 stop32h 30m

Seattle/Tacoma Intl

Mon 5/19

1:10 am-12:35 am

1 stop32h 25m

$729

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 4/10

2:00 pm-4:10 pm

1 stop17h 10m

Seattle/Tacoma Intl

Tue 4/22

1:15 am-12:40 pm

1 stop20h 25m

$730

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 5/9

3:10 pm-7:30 pm

1 stop19h 20m

Seattle/Tacoma Intl

Sat 5/17

12:50 am-1:50 pm

1 stop22h 00m

$819

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 5/7

2:35 pm-7:20 pm

1 stop19h 45m

Seattle/Tacoma Intl

Wed 5/21

11:30 pm-9:25 am

1 stop18h 55m

$820

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 3/12

1:30 am-10:00 am

1 stop23h 30m

Seattle/Tacoma Intl

Sun 3/16

12:00 pm-5:00 am

1 stop26h 00m

$835

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 4/7

1:10 am-1:30 pm

1 stop27h 20m

Seattle/Tacoma Intl

Tue 4/15

12:50 pm-5:00 am

1 stop25h 10m

$862

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 4/8

2:00 pm-4:10 pm

1 stop17h 10m

Seattle/Tacoma Intl

Tue 4/15

10:15 am-5:35 pm

Nonstop16h 20m

$873

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 3/22

10:00 am-6:25 pm

1 stop23h 25m

Seattle/Tacoma Intl

Sat 3/29

7:05 pm-11:15 am

2 stops25h 10m

$997

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 6/17

10:50 pm-12:30 pm

1 stop28h 40m

Seattle/Tacoma Intl

Sun 6/29

2:15 pm-9:30 pm

1 stop40h 15m

$1,005

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 38 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.

Travel insights for flights from Singapore to Washington

Get recent, data-driven insights about flights from Singapore to Washington including ideal travel times, pricing trends, and more.

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 $411). 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 February 20, 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.

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 February 20, 2025.
To help decide which airline to fly from Singapore to Washington, see what other customers have to say about STARLUX Airlines, EVA Air and Korean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
140 reviews

Entertainment

9.1

Crew

9.3

Food

9.0

Comfort

9.0

Boarding

9.1

Overall

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

STARLUX Airlines
9.1
Wonderful
140 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Entertainment

9.1

Crew

9.3

Food

9.0

Comfort

9.0

Boarding

9.1

Overall

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

EVA Air
8.4
Very good
1,200 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Entertainment

9.1

Crew

9.3

Food

9.0

Comfort

9.0

Boarding

9.1

Overall

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Korean Air
8.4
Very good
1,037 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Entertainment

9.1

Crew

9.3

Food

9.0

Comfort

9.0

Boarding

9.1

Overall

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

ANA
8.4
Very good
842 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Entertainment

9.1

Crew

9.3

Food

9.0

Comfort

9.0

Boarding

9.1

Overall

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Japan Airlines
8.3
Very good
1,440 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Entertainment

9.1

Crew

9.3

Food

9.0

Comfort

9.0

Boarding

9.1

Overall

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

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.

  • 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 $471. Users have also found prices from $485 and $507 on China Airlines 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 $375. On average you can expect to pay $802. The most popular route, (Singapore Changi - Seattle/Tacoma Intl), can usually be booked for $712.

  • 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 $411). 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 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$658Average$880FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$763Average$1,410FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$832Average$1,156FlexibilityNo cancel feeOn-time74%
Japan AirlinesCheapest$864Average$1,163FlexibilityNo cancel feeOn-time79%
ANACheapest$884Average$985FlexibilityNo cancel feeOn-time80%
American AirlinesCheapest$990Average$1,113FlexibilityNo cancel feeOn-time71%
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