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$207+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
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 November 5, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$382
(Alaska Airlines)

One-way from

$207
(Cheapflightsfares)

Popular in

June

Cheapest in

September

Average price

$822

Good round-trip deal

$675 or less

Good one-way deal

$306 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Manila Ninoy Aquino Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Manila Ninoy Aquino Intl flights.
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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. 15% potential increase in price ($164 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 5, 2025.

This Expedia deal was found by Cheapflights users on 11/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:00 amSEA - KIX
1 stop18h 45mAlaska Airlines
Wed 12/178:45 pmKIX - SEA
1 stop27h 52mAlaska Airlines
Deal found 11/4$386
This Hawaiian Airlines deal was found by Cheapflights users on 11/5. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:00 amSEA - KIX
1 stop18h 45mAlaska Airlines
Thu 12/188:45 pmKIX - SEA
1 stop27h 55mAlaska Airlines
Deal found 11/5$399
This Hawaiian Airlines deal was found by Cheapflights users on 11/4. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:30 pmSEA - KIX
1 stop31h 15mAlaska Airlines
Thu 12/48:45 pmKIX - SEA
1 stop17h 02mAlaska Airlines
Deal found 11/4$422
This Hawaiian Airlines deal was found by Cheapflights users on 11/4. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1812:45 pmSEA - KIX
1 stop37h 00mAlaska Airlines
Wed 12/38:45 pmKIX - SEA
1 stop25h 30mAlaska Airlines
Deal found 11/4$439
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/178:00 amSEA - KIX
1 stop17h 45mAlaska Airlines
Tue 11/258:45 pmKIX - SEA
1 stop19h 32mAlaska Airlines
Deal found 11/3$480
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:00 amSEA - KIX
1 stop18h 45mAlaska Airlines
Thu 12/48:45 pmKIX - SEA
1 stop17h 02mAlaska Airlines
Deal found 11/5$519
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:00 amSEA - KIX
1 stop18h 45mAlaska Airlines
Thu 1/158:45 pmKIX - SEA
1 stop16h 22mAlaska Airlines
Deal found 11/2$525
This Hawaiian Airlines deal was found by Cheapflights users on 11/4. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:55 pmSEA - KIX
1 stop31h 50mAlaska Airlines
Sat 12/68:45 pmKIX - SEA
1 stop17h 02mAlaska Airlines
Deal found 11/4$533
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:00 amSEA - KIX
1 stop18h 45mAlaska Airlines
Wed 12/38:45 pmKIX - SEA
1 stop27h 52mAlaska Airlines
Deal found 11/5$536
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/183:55 pmSEA - KIX
1 stop33h 50mAlaska Airlines
Wed 11/268:45 pmKIX - SEA
1 stop19h 32mAlaska Airlines
Deal found 11/4$542
This CrystalTravel deal was found by Cheapflights users on 11/4. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:34 pmSEA - HND
1 stop26h 16mANA
Sat 12/134:25 pmHND - SEA
1 stop16h 04mANA
Deal found 11/4$618
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:00 amSEA - HND
1 stop19h 30mAlaska Airlines
Sat 2/289:20 pmHND - SEA
1 stop18h 20mAlaska Airlines
Deal found 11/4$619

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 November 5, 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

Tue 1/20

7:00 am-6:45 pm

1 stop18h 45m

Osaka Kansai Intl

Tue 1/27

8:45 pm-9:00 pm

1 stop17h 15m

$393

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Mon 1/19

7:00 am-6:45 pm

1 stop18h 45m

Osaka Kansai Intl

Wed 2/4

8:45 pm-8:07 pm

1 stop16h 22m

$439

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Mon 11/17

8:00 am-6:45 pm

1 stop17h 45m

Osaka Kansai Intl

Wed 11/26

8:45 pm-11:17 pm

1 stop19h 32m

$480

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Fri 1/23

7:00 am-6:45 pm

1 stop18h 45m

Osaka Kansai Intl

Tue 2/3

8:45 pm-10:17 pm

1 stop18h 32m

$489

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Mon 1/19

7:00 am-6:45 pm

1 stop18h 45m

Osaka Kansai Intl

Sun 1/25

8:45 pm-8:07 pm

1 stop16h 22m

$516

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Mon 1/19

7:00 am-6:45 pm

1 stop18h 45m

Osaka Kansai Intl

Sat 1/24

8:45 pm-9:02 pm

1 stop17h 17m

$516

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Mon 12/8

3:40 pm-7:15 pm

Nonstop10h 35m

Tokyo Haneda

Sun 12/21

9:15 pm-1:20 pm

Nonstop9h 05m

$647

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Fri 12/5

3:40 pm-7:15 pm

Nonstop10h 35m

Tokyo Haneda

Fri 12/19

9:15 pm-1:20 pm

Nonstop9h 05m

$647

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Thu 1/1

7:05 am-3:00 pm

1 stop14h 55m

Tokyo Narita

Mon 2/2

5:30 pm-9:12 pm

2 stops20h 42m

$651

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Sat 1/17

3:45 pm-7:15 pm

Nonstop10h 30m

Tokyo Haneda

Sun 1/25

12:50 am-9:12 pm

2 stops37h 22m

$657

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

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, August is the cheapest month in which you can book a flight from Seattle to Asia (average of $207). Flying from Seattle to Asia in June is currently the most expensive (average of $683). 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 November 5, 2025.

It’s optimal to fly from Seattle to Asia in the morning. By choosing this option you can save up to 7% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Seattle to Asia?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Asia. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Asia flight should consider departing on Sunday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 5, 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
1,270 reviews

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
EVA Air
8.4
Very good
1,270 reviews
EVA Air
8.4
Very good
1,270 reviews

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
ANA
8.4
Very good
1,002 reviews
EVA Air
8.4
Very good
1,270 reviews

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Asiana Airlines
8.2
Very good
484 reviews
EVA Air
8.4
Very good
1,270 reviews

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Singapore Airlines
8.1
Very good
1,391 reviews
EVA Air
8.4
Very good
1,270 reviews

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Delta
7.9
Good
8,004 reviews
EVA Air
8.4
Very good
1,270 reviews

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

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 long is the flight from Seattle to Asia?

    Alaska Airlines, United Airlines, and Delta can get you from Seattle to Asia in just under 10h 35m. Your travel time can differ by up to 10h 15m. Seattle and Asia are separated by a distance of 4788 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $209 on Alaska Airlines. Other airlines that offer cheap prices include United Airlines from $346 and Delta from $354 one-way.

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

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

  • 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, August is the cheapest month in which you can book a flight from Seattle to Asia (average of $207). Flying from Seattle to Asia in June is currently the most expensive (average of $683). 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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Alternative routes for Seattle to Asia

See prices for flight routes from nearby airports that may be better suited for you.
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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 November 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$190Average$1,224FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$282Average$890FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$282Average$920FlexibilityNo cancel feeOn-time85%
Air CanadaCheapest$470Average$1,017FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$569Average$898FlexibilityNo cancel feeOn-time79%
Cathay PacificCheapest$622Average$1,012FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$659Average$1,006FlexibilityNo cancel feeOn-time71%
SWISSCheapest$706Average$1,003FlexibilityNo cancel feeOn-time79%
Virgin AtlanticCheapest$722Average$1,007FlexibilityNo cancel feeOn-time72%
STARLUX AirlinesCheapest$739Average$1,007FlexibilityNo cancel feeOn-timeN/A

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