Washington

$493+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
Feb 16 — Feb 231
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Cheap flight deals from Singapore to Washington

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SG0) to Washington (USWA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$738
(FlightHub)

One-way from

$493
(CheapTickets)

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.
Provider most trusted by Cheapflights users for Singapore Changi-Seattle/Tacoma Intl flights.
From Singapore to Washington
One-way flight from Singapore to Washington
Highest demand for flights based on searches. 11% potential increase in price ($124 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in February 2025
Price to beat on a one-way flight from Singapore to Washington.

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 11, 2025.

This FlightHub deal was found by Cheapflights users on 2/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/251:55 amSIN - SEA
1 stop25h 00mAsiana Airlines
Sun 3/91:45 pmSEA - SIN
1 stop41h 10mAsiana Airlines
Deal found 2/11$738
This CheapTickets deal was found by Cheapflights users on 2/11. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/32:00 amSIN - SEA
1 stop32h 15mChina Airlines
Thu 3/612:10 amSEA - SIN
1 stop20h 55mChina Airlines
Deal found 2/11$749
This Singapore Airlines deal was found by Cheapflights users on 2/10. 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.
Sat 10/49:00 amSIN - SEA
Nonstop14h 45mSingapore Airlines
Thu 10/1610:15 amSEA - SIN
Nonstop16h 20mSingapore Airlines
Deal found 2/10$805
This Gotogate deal was found by Cheapflights users on 2/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/42:00 pmSIN - SEA
1 stop17h 10mSTARLUX Airlines
Wed 10/151:15 amSEA - SIN
1 stop20h 25mSTARLUX Airlines
Deal found 2/10$809
This CheapTickets deal was found by Cheapflights users on 2/11. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/138:00 pmSIN - SEA
1 stop38h 20mPhilippine Airlines
Fri 5/1611:30 pmSEA - SIN
1 stop28h 25mPhilippine Airlines
Deal found 2/11$830
This oojo deal was found by Cheapflights users on 2/11. 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.
Wed 5/141:10 amSIN - SEA
1 stop24h 30mKorean Air
Thu 7/241:20 pmSEA - SIN
1 stop19h 20mKorean Air
Deal found 2/11$831
This oojo deal was found by Cheapflights users on 2/11. 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.
Thu 5/153:10 pmSIN - SEA
1 stop18h 40mEVA Air
Wed 7/232:10 amSEA - SIN
1 stop18h 50mEVA Air
Deal found 2/11$832
This United Airlines deal was found by Cheapflights users on 2/11. 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 5/2211:05 amSIN - SEA
1 stop18h 20mUnited Airlines
Thu 8/147:00 amSEA - SIN
1 stop20h 25mUnited Airlines
Deal found 2/11$837
This Delta deal was found by Cheapflights users on 2/11. 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.
Fri 5/307:30 amSIN - SEA
1 stop21h 05mDelta
Sun 6/291:05 pmSEA - SIN
1 stop19h 35mDelta
Deal found 2/11$854
This Traveloka deal was found by Cheapflights users on 2/10. 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 Traveloka is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/212:00 amSIN - SEA
1 stop32h 15mMultiple Airlines
Sun 3/3010:15 amSEA - SIN
Nonstop16h 20mMultiple Airlines
Deal found 2/10$859
This Expedia deal was found by Cheapflights users on 2/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/62:15 pmSIN - PDX
2 stops24h 41mMultiple Airlines
Fri 3/147:16 pmPDX - SIN
2 stops26h 49mMultiple Airlines
Deal found 2/11$927
This Gotogate deal was found by Cheapflights users on 2/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/49:10 amSIN - SEA
1 stop20h 06mAir Canada
Thu 10/165:45 amSEA - SIN
2 stops25h 55mAir Canada
Deal found 2/10$950

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 11, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 2/25

1:55 am-10:55 am

1 stop25h 00m

Seattle/Tacoma Intl

Sun 3/9

1:45 pm-9:55 pm

1 stop41h 10m

$738

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 3/3

2:00 am-6:15 pm

1 stop32h 15m

Seattle/Tacoma Intl

Thu 3/6

12:10 am-1:05 pm

1 stop20h 55m

$749

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 4/5

3:10 pm-7:30 pm

1 stop19h 20m

Seattle/Tacoma Intl

Wed 4/16

1:30 am-12:00 pm

1 stop19h 30m

$835

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 3/20

1:30 am-10:00 am

1 stop23h 30m

Seattle/Tacoma Intl

Sun 3/30

12:50 pm-11:40 pm

1 stop19h 50m

$839

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 3/13

2:45 pm-4:05 pm

1 stop16h 20m

Seattle/Tacoma Intl

Wed 3/19

1:05 am-1:25 pm

1 stop21h 20m

$842

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 3/28

10:10 am-12:55 am

1 stop29h 45m

Seattle/Tacoma Intl

Fri 4/4

5:15 am-6:25 pm

1 stop22h 10m

$846

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 3/12

1:30 am-2:40 pm

1 stop28h 10m

Seattle/Tacoma Intl

Thu 3/20

11:35 am-12:10 am

1 stop21h 35m

$855

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 3/21

2:00 am-7:15 pm

1 stop32h 15m

Seattle/Tacoma Intl

Sun 3/30

10:15 am-5:35 pm

Nonstop16h 20m

$859

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 4/5

8:00 pm-7:20 pm

1 stop38h 20m

Seattle/Tacoma Intl

Fri 4/18

11:30 pm-9:25 am

1 stop18h 55m

$861

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 3/6

2:15 pm-10:56 pm

2 stops24h 41m

Portland

Fri 3/14

7:16 pm-1:05 pm

2 stops26h 49m

$927

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 34 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 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 February 11, 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 February 11, 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.

Comfort

9.0

Food

9.0

Crew

9.3

Entertainment

9.1

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.

Comfort

9.0

Food

9.0

Crew

9.3

Entertainment