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$447+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$715
(United Airlines)

One-way from

$447
(United Airlines)

Popular in

June

Cheapest in

March

Average price

$854

Good one-way deal

$934 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. 10% potential increase in price ($111 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This United Airlines deal was found by Cheapflights users on 3/27. 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.
Tue 6/108:45 amSIN - SEA
1 stop39h 04mUnited Airlines
Mon 8/115:10 pmSEA - SIN
1 stop34h 15mUnited Airlines
Deal found 3/27$715
This Bravofly deal was found by Cheapflights users on 3/27. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1110:50 pmSIN - SEA
1 stop28h 40mAsiana Airlines
Tue 5/202:15 pmSEA - SIN
1 stop40h 15mAsiana Airlines
Deal found 3/27$726
This CheapTickets deal was found by Cheapflights users on 3/26. 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.
Fri 5/92:00 amSIN - SEA
1 stop32h 30mChina Airlines
Mon 5/191:10 amSEA - SIN
1 stop20h 25mChina Airlines
Deal found 3/26$750
This Gotogate deal was found by Cheapflights users on 3/27. 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 5/279:10 amSIN - SEA
1 stop28h 03mAir Canada
Thu 6/57:15 pmSEA - SIN
1 stop20h 50mAir Canada
Deal found 3/27$785
This oojo deal was found by Cheapflights users on 3/27. 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.
Thu 5/151:10 pmSIN - SEA
1 stop21h 20mEVA Air
Wed 7/232:10 amSEA - SIN
1 stop20h 40mEVA Air
Deal found 3/27$793
This Gotogate deal was found by Cheapflights users on 3/27. 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.
Sun 5/119:10 amSIN - PDX
1 stop39h 20mAir Canada
Sun 5/186:00 amPDX - SIN
2 stops34h 05mAir Canada
Deal found 3/27$863
This Delta deal was found by Cheapflights users on 3/27. 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.
Sat 5/317:30 amSIN - SEA
1 stop21h 05mDelta
Sun 7/612:55 pmSEA - SIN
1 stop25h 05mDelta
Deal found 3/27$864
This Mytrip deal was found by Cheapflights users on 3/27. 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.
Sat 5/103:40 amSIN - PDX
3 stops30h 05mMultiple Airlines
Sun 5/1810:10 amPDX - SIN
3 stops35h 50mMultiple Airlines
Deal found 3/27$879
This KAYAK deal was found by Cheapflights users on 3/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/212:00 amSIN - SEA
1 stop32h 30mMultiple Airlines
Thu 8/1411:31 amSEA - SIN
2 stops34h 04mMultiple Airlines
Deal found 3/27$882
This oojo deal was found by Cheapflights users on 3/27. 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.
Wed 5/141:10 amSIN - SEA
1 stop24h 30mKorean Air
Thu 7/241:20 pmSEA - SIN
1 stop19h 20mKorean Air
Deal found 3/27$930
This Trip.com deal was found by Cheapflights users on 3/27. 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.
Mon 8/252:00 pmSIN - SEA
1 stop17h 35mSTARLUX Airlines
Mon 9/221:15 amSEA - SIN
1 stop20h 25mSTARLUX Airlines
Deal found 3/27$952
This BYOjet deal was found by Cheapflights users on 3/27. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/258:05 amSIN - SEA
2 stops23h 48mJapan Airlines
Tue 9/238:37 amSEA - SIN
2 stops24h 43mJapan Airlines
Deal found 3/27$1,062

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 March 28, 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 6/10

8:45 am-8:49 am

1 stop39h 04m

Seattle/Tacoma Intl

Mon 8/11

5:10 pm-6:25 pm

1 stop34h 15m

$715

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 5/11

10:50 pm-12:30 pm

1 stop28h 40m

Seattle/Tacoma Intl

Tue 5/20

2:15 pm-9:30 pm

1 stop40h 15m

$726

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 5/9

2:00 am-7:30 pm

1 stop32h 30m

Seattle/Tacoma Intl

Mon 5/19

1:10 am-12:35 pm

1 stop20h 25m

$750

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 5/27

9:10 am-10:13 pm

1 stop28h 03m

Seattle/Tacoma Intl

Thu 6/5

7:15 pm-7:05 am

1 stop20h 50m

$785

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 5/15

1:10 pm-7:30 pm

1 stop21h 20m

Seattle/Tacoma Intl

Wed 7/23

2:10 am-1:50 pm

1 stop20h 40m

$793

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 5/11

9:10 am-9:30 am

1 stop39h 20m

Portland

Sun 5/18

6:00 am-7:05 am

2 stops34h 05m

$863

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 5/31

7:30 am-1:35 pm

1 stop21h 05m

Seattle/Tacoma Intl

Sun 7/6

12:55 pm-5:00 am

1 stop25h 05m

$864

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 5/10

3:40 am-6:45 pm

3 stops30h 05m

Portland

Sun 5/18

10:10 am-1:00 pm

3 stops35h 50m

$879

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 5/21

2:00 am-7:30 pm

1 stop32h 30m

Seattle/Tacoma Intl

Thu 8/14

11:31 am-12:35 pm

2 stops34h 04m

$882

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 5/14

1:10 am-10:40 am

1 stop24h 30m

Seattle/Tacoma Intl

Thu 7/24

1:20 pm-11:40 pm

1 stop19h 20m

$930

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 31 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 $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 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 March 28, 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 March 28, 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
146 reviews

Crew

9.3

Food

8.9

Overall

9.1

Entertainment

9.0

Comfort

9.0

Boarding

9.0

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
146 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Crew

9.3

Food

8.9

Overall

9.1

Entertainment

9.0

Comfort

9.0

Boarding

9.0

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
1,169 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Crew

9.3

Food

8.9

Overall

9.1

Entertainment

9.0

Comfort

9.0

Boarding

9.0

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
1,050 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Crew

9.3

Food

8.9

Overall

9.1

Entertainment

9.0

Comfort

9.0

Boarding

9.0

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
146 reviews

Crew

9.3

Food

8.9

Overall

9.1

Entertainment

9.0

Comfort

9.0

Boarding

9.0

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.
China Airlines
8.2
Very good
722 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Crew

9.3

Food

8.9

Overall

9.1

Entertainment

9.0

Comfort

9.0

Boarding

9.0

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.

  • 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 United Airlines. According to our data, you can fly for as low as $447. Users have also found prices from $454 and $561 on China Airlines and Air Canada, 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 $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

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Top 8 airlines flying from Singapore to Washington

Discover the top 8 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$735Average$834FlexibilityNo cancel feeOn-time70%
Singapore AirlinesCheapest$763Average$1,428FlexibilityNo cancel feeOn-time81%
STARLUX AirlinesCheapest$801Average$931FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$832Average$1,033FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$850Average$874FlexibilityNo cancel feeOn-time69%
ANACheapest$859Average$980FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$864Average$1,145FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$990Average$1,190FlexibilityNo cancel feeOn-time71%
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