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$400+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
Aug 12 — Aug 191
Tue 8/12
Tue 8/19
1 adult, Economy
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Cheap flight deals from Singapore to Seattle

Keep the following information in mind while searching for Singapore to Seattle flight deals. Data was last updated August 7, 2025.

Round-trip from

$642
(United Airlines)

One-way from

$400
(Mytrip)

Popular in

August

Cheapest in

February

Average price

$1,167

Good one-way deal

$462 or less
From Singapore to Seattle/Tacoma Intl
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One-way flight from Singapore to Seattle/Tacoma Intl
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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 ($21 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a one-way flight from Singapore to Seattle/Tacoma Intl.
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Find 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 August 7, 2025.

This United Airlines deal was found by Cheapflights users on 8/6. 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 9/98:40 pmSIN - SEA
1 stop33h 34mUnited Airlines
Wed 9/105:35 pmSEA - SIN
1 stop21h 40mUnited Airlines
Deal found 8/6$642
This Trip.com deal was found by Cheapflights users on 8/5. 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.
Sat 9/208:40 pmSIN - SEA
1 stop26h 39mUnited Airlines
Sat 9/278:47 amSEA - SIN
1 stop42h 38mUnited Airlines
Deal found 8/5$644
This Mytrip deal was found by Cheapflights users on 8/7. 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 9/2012:20 amSIN - SEA
1 stop33h 55mPhilippine Airlines
Sun 9/2811:35 pmSEA - SIN
1 stop18h 50mPhilippine Airlines
Deal found 8/7$647
This United Airlines deal was found by Cheapflights users on 8/6. 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 8/78:45 amSIN - SEA
1 stop22h 01mUnited Airlines
Thu 8/287:00 amSEA - SIN
1 stop32h 15mUnited Airlines
Deal found 8/6$648
This United Airlines deal was found by Cheapflights users on 8/7. 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 8/268:45 amSIN - SEA
1 stop25h 04mUnited Airlines
Mon 9/85:35 pmSEA - SIN
1 stop21h 40mUnited Airlines
Deal found 8/7$649
This CheapTickets deal was found by Cheapflights users on 8/7. 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 11/118:10 pmSIN - SEA
1 stop38h 25mPhilippine Airlines
Sun 11/169:30 pmSEA - SIN
1 stop34h 10mPhilippine Airlines
Deal found 8/7$650
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Mon 9/18:45 amSIN - SEA
1 stop19h 43mUnited Airlines
Mon 9/82:29 pmSEA - SIN
1 stop24h 46mUnited Airlines
Deal found 8/6$657
This TeaFlight deal was found by Cheapflights users on 8/6. 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 TeaFlight is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2012:40 amSIN - SEA
1 stop33h 55mPhilippine Airlines
Sun 11/309:30 pmSEA - SIN
1 stop20h 05mPhilippine Airlines
Deal found 8/6$684
This oojo deal was found by Cheapflights users on 8/6. 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 9/202:00 pmSIN - SEA
1 stop17h 10mSTARLUX Airlines
Sat 10/41:15 amSEA - SIN
1 stop20h 25mSTARLUX Airlines
Deal found 8/6$712
This CheapTickets deal was found by Cheapflights users on 8/6. 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 11/112:45 pmSIN - SEA
1 stop16h 20mSTARLUX Airlines
Tue 11/1811:45 pmSEA - SIN
1 stop21h 40mSTARLUX Airlines
Deal found 8/6$715

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 August 7, 2025.
Use the filters below to find and compare flights from Singapore to Seattle that are best for you.

Fly from

Singapore

Fly to

Seattle

Route

Depart

Return

Price

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 9/20

12:20 am-7:15 pm

1 stop33h 55m

Seattle/Tacoma Intl

Sun 9/28

11:35 pm-9:25 am

1 stop18h 50m

$638

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 9/9

8:40 pm-3:14 pm

1 stop33h 34m

Seattle/Tacoma Intl

Wed 9/10

5:35 pm-6:15 am

1 stop21h 40m

$642

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 9/20

8:40 pm-8:19 am

1 stop26h 39m

Seattle/Tacoma Intl

Sat 9/27

8:47 am-6:25 pm

1 stop42h 38m

$644

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Fri 9/5

8:45 am-1:28 pm

1 stop19h 43m

Seattle/Tacoma Intl

Sat 9/20

7:00 am-6:25 pm

1 stop20h 25m

$648

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 8/26

8:45 am-1:33 pm

1 stop19h 48m

Seattle/Tacoma Intl

Fri 9/12

7:00 am-6:25 pm

1 stop20h 25m

$649

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 11/11

8:10 pm-6:35 pm

1 stop38h 25m

Seattle/Tacoma Intl

Sun 11/16

9:30 pm-11:40 pm

1 stop34h 10m

$650

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 9/1

8:45 am-1:28 pm

1 stop19h 43m

Seattle/Tacoma Intl

Mon 9/8

2:29 pm-6:15 am

1 stop24h 46m

$657

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 11/20

12:40 am-6:35 pm

1 stop33h 55m

Seattle/Tacoma Intl

Sun 11/30

9:30 pm-9:35 am

1 stop20h 05m

$684

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 9/20

2:00 pm-4:10 pm

1 stop17h 10m

Seattle/Tacoma Intl

Sat 10/4

1:15 am-12:40 pm

1 stop20h 25m

$712

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 11/11

2:45 pm-3:05 pm

1 stop16h 20m

Seattle/Tacoma Intl

Tue 11/18

11:45 pm-1:25 pm

1 stop21h 40m

$715

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/6

Showing 1-10 of 21 results
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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, January is the cheapest month in which you can book a flight from Singapore to Seattle (average of $238). Flying from Singapore to Seattle in June is currently the most expensive (average of $388). 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 August 7, 2025.

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.

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 August 7, 2025.
Read through reviews of airlines operating flights from Singapore to Seattle, such as STARLUX Airlines, EVA Air, and China Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.0
Wonderful
201 reviews

Boarding

9.0

Entertainment

8.9

Food

8.8

Overall

9.0

Comfort

9.0

Crew

9.3

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
9.0
Wonderful
201 reviews
STARLUX Airlines
9.0
Wonderful
201 reviews

Boarding

9.0

Entertainment

8.9

Food

8.8

Overall

9.0

Comfort

9.0

Crew

9.3

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
1,225 reviews
STARLUX Airlines
9.0
Wonderful
201 reviews

Boarding

9.0

Entertainment

8.9

Food

8.8

Overall

9.0

Comfort

9.0

Crew

9.3

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
760 reviews
STARLUX Airlines
9.0
Wonderful
201 reviews

Boarding

9.0

Entertainment

8.9

Food

8.8

Overall

9.0

Comfort

9.0

Crew

9.3

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.
Singapore Airlines
8.1
Very good
1,344 reviews
STARLUX Airlines
9.0
Wonderful
201 reviews

Boarding

9.0

Entertainment

8.9

Food

8.8

Overall

9.0

Comfort

9.0

Crew

9.3

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.
United Airlines
7.4
Good
8,916 reviews
STARLUX Airlines
9.0
Wonderful
201 reviews

Boarding

9.0

Entertainment

8.9

Food

8.8

Overall

9.0

Comfort

9.0

Crew

9.3

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 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 popular is this Singapore to Seattle flight route?

    The Singapore to Seattle/Tacoma Intl 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 flights from Singapore to Seattle?

    While on average a flight from Singapore to Seattle is generally $3,416, our data shows the cheapest flight currently is $415. When looking at the most popular route, (Singapore Changi - Seattle/Tacoma Intl), you can expect to pay $642 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, January is the cheapest month in which you can book a flight from Singapore to Seattle (average of $238). Flying from Singapore to Seattle in June is currently the most expensive (average of $388). 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
Tukwila
Tacoma
Ocean Shores
Lakewood
Lynnwood
Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
Cle Elum
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Singapore to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Singapore to Seattle

Discover the top 5 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 August 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$762Average$855FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$763Average$1,299FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$779Average$872FlexibilityNo cancel feeOn-time74%
STARLUX AirlinesCheapest$785Average$831FlexibilityNo cancel feeOn-timeN/A
ANACheapest$859Average$903FlexibilityNo cancel feeOn-time80%

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