Seattle

$449+ Cheap flights from Singapore to Seattle (SEA)

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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
Jul 4 — Jul 111
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Cheap flight deals from Singapore to Seattle

Cheapest flights from Singapore to Seattle
Explore the most affordable flight options available from Singapore to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 4, 2026.

This United Airlines deal was found by Cheapflights users on 6/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/148:35 pm
SIN
-
SEA
1 stop37h 12m
United Airlines
Tue 6/303:33 pm
SEA
-
SIN
1 stop36h 02m
United Airlines
Deal found 6/2$637
This United Airlines deal was found by Cheapflights users on 5/31. 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 6/168:45 am
SIN
-
SEA
1 stop39h 37m
United Airlines
Thu 7/97:00 am
SEA
-
SIN
1 stop20h 35m
United Airlines
Deal found 5/31$638
This FlightHub deal was found by Cheapflights users on 5/31. 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 6/27:00 am
SIN
-
SEA
1 stop18h 05m
Air Canada
Tue 6/167:20 pm
SEA
-
SIN
1 stop18h 55m
Air Canada
Deal found 5/31$713
This United Airlines deal was found by Cheapflights users on 6/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:45 am
SIN
-
SEA
1 stop29h 25m
United Airlines
Mon 7/206:00 am
SEA
-
SIN
2 stops27h 45m
United Airlines
Deal found 6/2$759
This FlightHub deal was found by Cheapflights users on 5/30. 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 8/17:00 am
SIN
-
SEA
1 stop26h 32m
Air Canada
Sat 8/293:00 pm
SEA
-
SIN
2 stops29h 15m
Air Canada
Deal found 5/30$762
This Expedia deal was found by Cheapflights users on 6/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:00 am
SIN
-
SEA
1 stop18h 07m
Multiple Airlines
Sun 7/197:20 pm
SEA
-
SIN
2 stops25h 25m
Multiple Airlines
Deal found 6/2$797
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Fri 8/288:45 am
SIN
-
SEA
1 stop24h 44m
United Airlines
Sun 8/301:16 pm
SEA
-
SIN
1 stop38h 19m
United Airlines
Deal found 6/4$813
This Booking.com deal was found by Cheapflights users on 6/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/147:00 am
SIN
-
SEA
1 stop30h 40m
Air Canada
Tue 6/305:45 am
SEA
-
SIN
1 stop32h 30m
Air Canada
Deal found 6/3$816
This Air Canada deal was found by Cheapflights users on 5/31. 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 8/167:00 am
SIN
-
SEA
1 stop18h 07m
Air Canada
Fri 9/43:00 pm
SEA
-
SIN
1 stop23h 15m
Air Canada
Deal found 5/31$817

Find flight deals from Singapore to Seattle

Keep the following information in mind while searching for Singapore to Seattle flight deals. Data was last updated June 4, 2026.

Round-trip from

$637
(United Airlines)

One-way from

$449
(FlightHub)

Popular in

May

Cheapest in

October

Average price

$842

Good one-way deal

$503 or less
From Singapore to Seattle/Tacoma Intl
One-way flight from Singapore to Seattle/Tacoma Intl
Highest demand for flights based on searches. 5% potential increase in price ($50 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a one-way flight from Singapore to Seattle/Tacoma Intl.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Singapore to Seattle 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 4, 2026.
Use the filters below to find and compare flights from Singapore to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 6/17

8:45 am-1:12 am

1 stop31h 27m

Seattle/Tacoma Intl

Thu 7/9

7:00 am-6:35 pm

1 stop20h 35m

$638

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 10/8

10:50 pm-3:15 pm

1 stop31h 25m

Seattle/Tacoma Intl

Fri 10/9

12:10 am-9:30 pm

1 stop30h 20m

$756

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 9/10

8:35 pm-6:29 pm

1 stop36h 54m

Seattle/Tacoma Intl

Sat 9/12

5:20 pm-6:35 pm

1 stop34h 15m

$817

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 6/25

8:50 pm-10:07 am

2 stops28h 17m

Seattle/Tacoma Intl

Fri 7/3

10:45 am-11:40 pm

2 stops21h 55m

$924
Quickest round-trip

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 9/25

2:00 pm-4:10 pm

1 stop17h 10m

Seattle/Tacoma Intl

Sun 9/27

1:15 am-12:50 pm

1 stop20h 35m

$969

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 8/27

2:00 pm-4:35 pm

1 stop17h 35m

Seattle/Tacoma Intl

Wed 11/4

11:45 pm-1:25 pm

1 stop21h 40m

$995

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 6/15

8:35 pm-7:18 pm

2 stops37h 43m

Seattle/Tacoma Intl

Wed 6/17

5:00 am-6:35 pm

1 stop22h 35m

$996

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 6/25

7:30 am-1:25 pm

1 stop20h 55m

Seattle/Tacoma Intl

Fri 7/3

1:05 pm-7:15 pm

1 stop39h 10m

$1,002

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Wed 7/15

3:20 pm-7:50 pm

1 stop19h 30m

Seattle/Tacoma Intl

Thu 7/16

2:10 am-11:55 am

1 stop18h 45m

$1,010

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 8/15

3:20 pm-7:50 pm

1 stop19h 30m

Seattle/Tacoma Intl

Tue 9/1

12:30 am-11:55 am

1 stop20h 25m

$1,031

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/2

Showing 1-10 of 22 resultsSorted by cheapest first
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3

Best time to book a flight from Singapore to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle 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 Seattle

What is the cheapest month to book a flight from Singapore to Seattle?

Currently, February is the cheapest month in which you can book a flight from Singapore to Seattle (average of $418). Flying from Singapore to Seattle in January is currently the most expensive (average of $887). 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 SEA?

Find hourly flight availability from Singapore to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 4, 2026.

When flying from Singapore to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How often are flights from Singapore to Seattle delayed?

About 17% of weekly flights between Singapore and Seattle have experienced delays in the past year, with the average delay time being 91 minutes.

What is the most punctual flight time for Singapore to Seattle flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Singapore to Seattle flights?

Over the last year, Singapore Airlines have had the lowest number of delays on this route, with just 17% of flights being delayed.

How far ahead should I book a flight from Singapore to Seattle?

The price you pay for your flight from Singapore to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 74 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated June 4, 2026.
Read through reviews of airlines operating flights from Singapore to Seattle, such as STARLUX Airlines,EVA Air, andSingapore Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

8.6

Crew

9.1

Overall

8.9

Entertainment

8.8

Boarding

8.9

Comfort

8.9

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again

Food

8.6

Crew

9.1

Overall

8.9

Entertainment

8.8

Boarding

8.9

Comfort

8.9

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again

Food

8.6

Crew

9.1

Overall

8.9

Entertainment

8.8

Boarding

8.9

Comfort

8.9

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again

Food

8.6

Crew

9.1

Overall

8.9

Entertainment

8.8

Boarding

8.9

Comfort

8.9

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again

Related info for your journey

Find useful and relevant information for your journey from Singapore to Seattle. 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 into for flights to Seattle from Singapore?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Singapore to Seattle.

  • How long is the flight from Singapore to Seattle?

    For as low as $969, United Airlines can have you in Seattle from Singapore in 17h 10m. The distance between Singapore and Seattle is about 8059 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Singapore to Seattle one-way?

    One-way options have recently been found by users for as low as $409 on Philippine Airlines. Other airlines that offer cheap prices include Singapore Airlines from $413 and Air Canada from $422 one-way.

  • What are the cheapest flights from Singapore to Seattle?

    While on average a flight from Singapore to Seattle is generally $1,533, our data shows the cheapest flight currently is $499. When looking at the most popular route, (Singapore Changi - Seattle/Tacoma Intl), you can expect to pay $637 for that flight.

  • Can I find deals for flights from Singapore to Seattle that include hotel bookings?

    Yes. In addition to deals on Singapore to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Singapore to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to Seattle.

  • Can I find deals for business class flights from Singapore to Seattle?

    Yes. Cheapflights offers flight deals from Singapore to Seattle 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 Seattle?

    Currently, February is the cheapest month in which you can book a flight from Singapore to Seattle (average of $418). Flying from Singapore to Seattle in January is currently the most expensive (average of $887). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Marysville
Shoreline

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Singapore to Seattle

Discover the top 3 airlines that operate flights from Singapore to Seattle. 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 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$776Average$825FlexibilityNo cancel feeOn-time74%
Singapore AirlinesCheapest$778Average$1,077FlexibilityNo cancel feeOn-time81%
STARLUX AirlinesCheapest$787Average$840FlexibilityNo cancel feeOn-timeN/A

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