Seattle

$513+ Cheap flights from Singapore (SIN) 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
Jun 17 — Jun 241
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Cheapflights Tip: The best prices from Singapore Changi to Seattle/Tacoma Intl are usually found in February or March, booked 41 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Singapore to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to Seattle (SEA). 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 June 12, 2025.

Round-trip from

$764
(Gotogate)

One-way from

$513
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$1,044

Good one-way deal

$927 or less
From Singapore Changi to Seattle/Tacoma Intl
One-way flight from Singapore Changi to Seattle/Tacoma Intl
Highest demand for flights based on searches. 9% potential increase in price ($97 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in June 2025
Price to beat on a one-way flight from Singapore Changi to Seattle/Tacoma Intl.

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 June 12, 2025.

This Gotogate deal was found by Cheapflights users on 6/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/18:05 amSIN - SEA
1 stop17h 20mJapan Airlines
Tue 9/307:25 amSEA - SIN
2 stops25h 55mJapan Airlines
Deal found 6/11$764
This Flysmarter deal was found by Cheapflights users on 6/10. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/269:10 amSIN - SEA
1 stop24h 26mAir Canada
Thu 7/101:45 pmSEA - SIN
1 stop26h 20mAir Canada
Deal found 6/10$790
This Gotogate deal was found by Cheapflights users on 6/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1210:50 pmSIN - SEA
1 stop28h 55mAsiana Airlines
Tue 7/222:30 pmSEA - SIN
1 stop40h 00mAsiana Airlines
Deal found 6/11$801
This CheapTickets deal was found by Cheapflights users on 6/10. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/232:00 pmSIN - SEA
1 stop17h 10mSTARLUX Airlines
Sun 7/61:15 amSEA - SIN
1 stop20h 25mSTARLUX Airlines
Deal found 6/10$803
This CheapTickets deal was found by Cheapflights users on 6/12. 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 6/241:10 pmSIN - SEA
1 stop21h 20mEVA Air
Sat 7/51:10 amSEA - SIN
1 stop21h 40mEVA Air
Deal found 6/12$819
This oojo deal was found by Cheapflights users on 6/12. 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.
Tue 6/241:45 pmSIN - SEA
1 stop20h 45mChina Airlines
Sat 7/51:40 amSEA - SIN
1 stop31h 55mChina Airlines
Deal found 6/12$827
This Philippine Airlines deal was found by Cheapflights users on 6/10. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2012:30 amSIN - SEA
1 stop35h 05mPhilippine Airlines
Sun 11/3011:55 pmSEA - SIN
1 stop31h 15mPhilippine Airlines
Deal found 6/10$830
This United Airlines deal was found by Cheapflights users on 6/11. 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 9/118:45 amSIN - SEA
1 stop19h 43mUnited Airlines
Tue 9/235:35 pmSEA - SIN
1 stop21h 40mUnited Airlines
Deal found 6/11$834
This oojo deal was found by Cheapflights users on 6/11. 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.
Mon 9/110:30 pmSIN - SEA
1 stop27h 10mKorean Air
Tue 9/3012:50 pmSEA - SIN
1 stop19h 50mKorean Air
Deal found 6/11$838
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/159:10 amSIN - SEA
1 stop20h 06mMultiple Airlines
Fri 8/157:15 pmSEA - SIN
2 stops38h 35mMultiple Airlines
Deal found 6/10$845
This Singapore Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 11/219:00 amSIN - SEA
Nonstop14h 10mSingapore Airlines
Sun 11/308:45 amSEA - SIN
Nonstop17h 00mSingapore Airlines
Deal found 6/10$941
This Delta deal was found by Cheapflights users on 6/11. 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.
Sun 8/311:10 amSIN - SEA
1 stop27h 30mDelta
Fri 10/3112:10 pmSEA - SIN
1 stop21h 00mDelta
Deal found 6/11$968

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 12, 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

Mon 9/1

8:05 am-10:25 am

1 stop17h 20m

Seattle/Tacoma Intl

Tue 9/30

7:25 am-12:20 am

2 stops25h 55m

$764

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Thu 6/26

9:10 am-6:36 pm

1 stop24h 26m

Seattle/Tacoma Intl

Thu 7/10

1:45 pm-7:05 am

1 stop26h 20m

$790

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sat 7/12

10:50 pm-12:45 pm

1 stop28h 55m

Seattle/Tacoma Intl

Tue 7/22

2:30 pm-9:30 pm

1 stop40h 00m

$801

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 6/23

2:00 pm-4:10 pm

1 stop17h 10m

Seattle/Tacoma Intl

Sun 7/6

1:15 am-12:40 pm

1 stop20h 25m

$803

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 6/24

1:10 pm-7:30 pm

1 stop21h 20m

Seattle/Tacoma Intl

Sat 7/5

1:10 am-1:50 pm

1 stop21h 40m

$819

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 6/24

1:45 pm-7:30 pm

1 stop20h 45m

Seattle/Tacoma Intl

Sat 7/5

1:40 am-12:35 am

1 stop31h 55m

$827

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 6/24

8:45 am-12:59 am

1 stop31h 14m

Seattle/Tacoma Intl

Sun 7/6

5:10 am-6:25 pm

1 stop22h 15m

$835

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Mon 9/1

10:30 pm-10:40 am

1 stop27h 10m

Seattle/Tacoma Intl

Tue 9/30

12:50 pm-11:40 pm

1 stop19h 50m

$838

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Tue 7/15

9:10 am-2:16 pm

1 stop20h 06m

Seattle/Tacoma Intl

Fri 8/15

7:15 pm-12:50 am

2 stops38h 35m

$845

SingaporeSeattle

SIN - SEA

SINSEA

Singapore Changi

Sun 8/31

1:10 am-1:40 pm

1 stop27h 30m

Seattle/Tacoma Intl

Fri 10/31

12:10 pm-12:10 am

1 stop21h 00m

$968

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 26 results
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The best insider tips for Singapore to Seattle flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Singapore to Seattle trip
Airports
SIN

For early check-in, use Jewel's desks up to 24 hours before your flight, avoiding queues at SIN.

Read more about SINby Yulia Denisyuk
SEA

Use the Link light rail from SEA to downtown Seattle for a cost-effective and convenient 40-minute journey.

Read more about SEAby Brandon Schultz
Our travel experts
Yulia Denisyuk

Yulia Denisyuk

Expert on SIN

Yulia Denisyuk

Yulia Denisyuk

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

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

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

Use this chart to determine the optimal time to book a round-trip flight from Singapore to Seattle. Price data was last updated on June 9, 2025.

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 41 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 July is currently the most expensive (average of $391). 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 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 12, 2025.

One of the essential ways to save on airfare from Singapore to Seattle is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 38% on airfare.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle 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 Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, 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 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 12, 2025.
Get a feel of what it's like to fly with STARLUX Airlines, EVA Air and Korean Air from Singapore to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

8.9

Boarding

9.0

Comfort

9.0

Food

8.8

Overall

9.1

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.

Entertainment

8.9

Boarding

9.0

Comfort

9.0

Food

8.8

Overall

9.1

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.

Entertainment

8.9

Boarding

9.0

Comfort

9.0

Food

8.8

Overall

9.1

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.

Entertainment

8.9

Boarding

9.0

Comfort

9.0

Food

8.8

Overall

9.1

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.

Entertainment

8.9

Boarding

9.0

Comfort

9.0

Food

8.8

Overall

9.1

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.

Entertainment

8.9

Boarding

9.0

Comfort

9.0

Food

8.8

Overall

9.1

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.
  • How popular is this Singapore to Seattle flight route?

  • What are the cheapest airlines flying from Singapore to Seattle round-trip?

    According to our current data, Japan Airlines ($764), Air Canada ($790), and Asiana Airlines ($801) offers the cheapest pricing from Singapore to Seattle. Japan Airlines is priced at 19% lower than the current average price of a flight leaving 3 months from now.

  • 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 $513 on STARLUX Airlines. Other airlines that offer cheap prices include ANA from $516 and United Airlines from $528 one-way.

  • What are the cheapest flights from Singapore to Seattle?

    On average you can expect to pay $2,128 for a flight from Singapore to Seattle. The cheapest flight overall is $816 while the most popular route, (Singapore Changi - Seattle/Tacoma Intl) is currently priced at $674.

  • 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 July is currently the most expensive (average of $391). 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 Singapore?

Book flights to Singapore if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

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.

Top 6 airlines flying from Singapore to Seattle

Discover the top 6 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$762Average$855FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$763Average$1,340FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$779Average$872FlexibilityNo cancel feeOn-time74%
STARLUX AirlinesCheapest$785Average$836FlexibilityNo cancel feeOn-timeN/A
ANACheapest$859Average$980FlexibilityNo cancel feeOn-time80%
American AirlinesCheapest$1,067Average$1,245FlexibilityNo cancel feeOn-time71%

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