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$288+ Cheap flights from Seattle (SEA) to Asia

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ICN
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
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Cheap flight deals from Seattle to Asia

Keep the following information in mind while searching for Seattle to Asia flight deals. Data was last updated August 16, 2025.

Round-trip from

$591
(oojo)

One-way from

$288
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$858

Good round-trip deal

$672 or less

Good one-way deal

$321 or less
From Seattle/Tacoma Intl to Asia
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One-way flight from Seattle/Tacoma Intl to Asia
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Highest demand for flights based on searches. 10% potential increase in price ($110 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($42 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 round-trip flight from Seattle/Tacoma Intl to Asia.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Asia.
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Find flight deals from Seattle to Asia

Cheapest flights from Seattle to Asia
Explore the most affordable flight options available from Seattle to Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.

This oojo deal was found by Cheapflights users on 8/15. 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 9/152:15 pmSEA - KIX
1 stop35h 35mAsiana Airlines
Mon 9/299:10 amKIX - SEA
1 stop19h 20mAsiana Airlines
Deal found 8/15$591
This oojo deal was found by Cheapflights users on 8/15. 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.
Sun 8/242:30 pmSEA - KIX
1 stop35h 20mAsiana Airlines
Sat 9/610:50 amKIX - SEA
1 stop17h 40mAsiana Airlines
Deal found 8/15$592
This FlightHub deal was found by Cheapflights users on 8/15. 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.
Sun 9/72:15 pmSEA - KIX
1 stop27h 25mAsiana Airlines
Mon 9/229:10 amKIX - SEA
1 stop19h 20mAsiana Airlines
Deal found 8/15$599
This lol.travel deal was found by Cheapflights users on 8/14. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/157:00 amSEA - KIX
1 stop15h 50mUnited Airlines
Wed 10/18:30 amKIX - SEA
1 stop21h 55mUnited Airlines
Deal found 8/14$604
This CrystalTravel deal was found by Cheapflights users on 8/14. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:00 amSEA - KIX
1 stop15h 50mANA
Tue 9/305:30 pmKIX - SEA
1 stop12h 55mANA
Deal found 8/14$608
This oojo deal was found by Cheapflights users on 8/15. 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 12/61:32 pmSEA - KIX
2 stops52h 13mKorean Air
Mon 12/156:10 pmKIX - SEA
1 stop31h 50mKorean Air
Deal found 8/15$614
This CrystalTravel deal was found by Cheapflights users on 8/15. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/284:40 pmSEA - KIX
1 stop13h 40mANA
Fri 11/76:50 amKIX - SEA
1 stop23h 30mANA
Deal found 8/15$615
This CrystalTravel deal was found by Cheapflights users on 8/14. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/77:00 amSEA - KIX
1 stop15h 50mANA
Sun 9/216:35 pmKIX - SEA
1 stop11h 50mANA
Deal found 8/14$622
This CrystalTravel deal was found by Cheapflights users on 8/14. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/67:34 pmSEA - KIX
1 stop27h 16mANA
Thu 9/116:35 pmKIX - SEA
1 stop11h 50mANA
Deal found 8/14$624
This Cheapflightsfares deal was found by Cheapflights users on 8/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/77:00 amSEA - KIX
1 stop15h 50mANA
Fri 9/196:35 pmKIX - SEA
1 stop11h 50mANA
Deal found 8/15$627
This Delta deal was found by Cheapflights users on 8/14. 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.
Thu 10/163:40 pmSEA - TPE
Nonstop13h 15mDelta
Tue 11/410:55 amTPE - SEA
Nonstop11h 05mDelta
Deal found 8/14$674
This oojo deal was found by Cheapflights users on 8/15. 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 11/199:30 pmSEA - TPE
1 stop31h 05mPhilippine Airlines
Thu 12/410:15 amTPE - SEA
1 stop24h 20mPhilippine Airlines
Deal found 8/15$675

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Asia 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 16, 2025.
Use the filters below to find and compare flights from Seattle to Asia that are best for you.

Fly from

Seattle

Fly to

Asia

Route

Depart

Return

Price

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Mon 9/15

2:15 pm-5:50 pm

1 stop35h 35m

Osaka Kansai Intl

Mon 9/29

9:10 am-12:30 pm

1 stop19h 20m

$591

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Mon 9/8

2:15 pm-3:50 pm

1 stop33h 35m

Osaka Kansai Intl

Mon 9/22

9:10 am-12:30 pm

1 stop19h 20m

$592

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Mon 9/15

2:15 pm-5:50 pm

1 stop35h 35m

Osaka Kansai Intl

Thu 10/2

9:10 am-12:30 pm

1 stop19h 20m

$599

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Sat 12/6

1:32 pm-10:45 am

2 stops52h 13m

Osaka Kansai Intl

Mon 12/15

6:10 pm-9:00 am

1 stop31h 50m

$614

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Sun 9/7

7:00 am-2:50 pm

1 stop15h 50m

Osaka Kansai Intl

Fri 9/19

6:35 pm-2:25 pm

1 stop11h 50m

$627

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Tue 11/4

12:10 am-9:40 am

1 stop16h 30m

Osaka Kansai Intl

Thu 11/13

5:00 pm-1:55 pm

1 stop13h 55m

$627

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Sun 9/14

2:15 pm-9:40 am

1 stop27h 25m

Osaka Kansai Intl

Sun 9/21

10:50 am-12:30 pm

1 stop17h 40m

$628

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Tue 9/23

3:55 pm-7:55 pm

Nonstop13h 00m

Taipei City Taiwan Taoyuan Intl

Tue 9/30

9:25 am-6:00 am

Nonstop11h 35m

$674

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Wed 10/15

3:40 pm-7:55 pm

Nonstop13h 15m

Taipei City Taiwan Taoyuan Intl

Mon 10/20

9:35 am-6:00 am

Nonstop11h 25m

$674

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Wed 9/24

3:55 pm-7:55 pm

Nonstop13h 00m

Taipei City Taiwan Taoyuan Intl

Thu 10/2

9:40 am-6:00 am

Nonstop11h 20m

$674

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 60 results
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Best time to book a flight from Seattle to Asia

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

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

Currently, February is the cheapest month in which you can book a flight from Seattle to Asia (average of $994). Flying from Seattle to Asia in December is currently the most expensive (average of $1,635). 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 SEA to AS?

Find hourly flight availability from Seattle to Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Asia as you normally would.

Weekly flight availability from Seattle to Asia

Explore weekly flight availability from Seattle to Asia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 16, 2025.

The most flights from SEA to AS0 are scheduled on a Monday (8 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (6 on average).

Reviews of airlines servicing Asia

Get insights into the airlines that provide service to Asia. 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 Asia. Reviews last updated August 16, 2025.
See what other customers who have flown with EVA Air, ANA, and Asiana Airlines from Seattle to Asia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,233 reviews

Overall

8.4

Boarding

8.4

Entertainment

8.0

Food

8.1

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
EVA Air
8.4
Very good
1,233 reviews
EVA Air
8.4
Very good
1,233 reviews

Overall

8.4

Boarding

8.4

Entertainment

8.0

Food

8.1

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
ANA
8.4
Very good
933 reviews
EVA Air
8.4
Very good
1,233 reviews

Overall

8.4

Boarding

8.4

Entertainment

8.0

Food

8.1

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
Asiana Airlines
8.2
Very good
473 reviews
EVA Air
8.4
Very good
1,233 reviews

Overall

8.4

Boarding

8.4

Entertainment

8.0

Food

8.1

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
Singapore Airlines
8.1
Very good
1,347 reviews
EVA Air
8.4
Very good
1,233 reviews

Overall

8.4

Boarding

8.4

Entertainment

8.0

Food

8.1

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
Delta
8.0
Very good
7,985 reviews
EVA Air
8.4
Very good
1,233 reviews

Overall

8.4

Boarding

8.4

Entertainment

8.0

Food

8.1

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Related info for your journey

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

    If you book a flight to Asia from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle.

  • How popular is this Seattle to Asia flight route?

    This flight path from Seattle/Tacoma Intl to Asia was viewed by 200 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 Seattle to Asia one-way?

    One-way options have recently been found by users for as low as $288 on Philippine Airlines. Other airlines that offer cheap prices include Asiana Airlines from $306 and Korean Air from $333 one-way.

  • What are the most popular routes from Seattle to Asia?

    Most travelers choose Seattle/Tacoma Intl - Tokyo Narita, Seattle/Tacoma Intl - Tokyo Haneda or Seattle/Tacoma Intl - Bangkok Suvarnabhumi when deciding on the best route from Seattle to Asia.

  • What are the most reliable airlines from Seattle to Asia?

    No one likes to see their flight delayed. When booking a flight from Seattle to Asia consider choosing Delta (71%), Korean Air (68%) or Thai Airways (48%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Asia?

    While on average a flight from Seattle to Asia is generally $1,877, our data shows the cheapest flight currently is $346. When looking at the most popular route, (Seattle/Tacoma Intl - Tokyo Narita), you can expect to pay $606 for that flight.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Seattle to Asia (average of $994). Flying from Seattle to Asia in December is currently the most expensive (average of $1,635). 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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Top 10 airlines flying from Seattle to Asia

Discover the top 10 airlines that operate flights from Seattle to Asia. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$182Average$1,076FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$282Average$945FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$359Average$1,142FlexibilityNo cancel feeOn-time85%
Singapore AirlinesCheapest$539Average$880FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$659Average$1,011FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$679Average$1,110FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$687Average$1,000FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$739Average$1,083FlexibilityNo cancel feeOn-time77%
STARLUX AirlinesCheapest$740Average$1,031FlexibilityNo cancel feeOn-timeN/A
China EasternCheapest$755Average$878FlexibilityNo cancel feeOn-time62%

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