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$300+ 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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
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 November 21, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$624
(CrystalTravel)

One-way from

$300
(SmartFares)

Popular in

June

Cheapest in

February

Average price

$797

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. 16% potential increase in price ($175 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 21, 2025.

This Air Canada deal was found by Cheapflights users on 11/20. 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.
Wed 11/268:00 pmSEA - NRT
1 stop27h 20mAir Canada
Sat 12/66:15 pmNRT - SEA
1 stop13h 16mAir Canada
Deal found 11/20$631
This CrystalTravel deal was found by Cheapflights users on 11/21. 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 12/3012:10 pmSEA - NRT
Nonstop10h 30mJapan Airlines
Wed 1/145:40 pmNRT - SEA
1 stop13h 38mJapan Airlines
Deal found 11/21$632
This Hawaiian Airlines deal was found by Cheapflights users on 11/20. 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.
Fri 12/512:35 pmSEA - NRT
Nonstop10h 25mAlaska Airlines
Sun 12/146:30 pmNRT - SEA
Nonstop9h 20mAlaska Airlines
Deal found 11/20$636
This Hawaiian Airlines deal was found by Cheapflights users on 11/19. 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.
Fri 12/512:35 pmSEA - NRT
Nonstop10h 25mAlaska Airlines
Mon 12/156:30 pmNRT - SEA
Nonstop9h 20mAlaska Airlines
Deal found 11/19$637
This CrystalTravel deal was found by Cheapflights users on 11/21. 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 12/73:40 pmSEA - HND
Nonstop10h 35mANA
Wed 12/1710:55 pmHND - SEA
1 stop15h 05mANA
Deal found 11/21$638
This Air Canada deal was found by Cheapflights users on 11/20. 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.
Thu 11/275:50 amSEA - NRT
1 stop17h 30mAir Canada
Wed 12/36:15 pmNRT - SEA
1 stop18h 01mAir Canada
Deal found 11/20$640
This Air Canada deal was found by Cheapflights users on 11/20. 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.
Mon 12/18:00 pmSEA - NRT
1 stop27h 20mAir Canada
Sat 12/66:15 pmNRT - SEA
1 stop13h 16mAir Canada
Deal found 11/20$641
This Delta deal was found by Cheapflights users on 11/20. 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.
Fri 12/510:35 amSEA - HND
Nonstop10h 30mDelta
Mon 1/194:50 pmHND - SEA
Nonstop9h 05mDelta
Deal found 11/20$641
This FlightHub deal was found by Cheapflights users on 11/20. 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 11/3012:10 amSEA - NRT
1 stop27h 50mAsiana Airlines
Wed 12/37:35 pmNRT - SEA
1 stop35h 20mAsiana Airlines
Deal found 11/20$643
This oojo deal was found by Cheapflights users on 11/19. 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 12/38:45 amSEA - HND
1 stop15h 35mJapan Airlines
Wed 12/106:05 pmHND - SEA
1 stop13h 33mJapan Airlines
Deal found 11/19$647
This Hawaiian Airlines deal was found by Cheapflights users on 11/20. 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.
Sun 12/712:35 pmSEA - NRT
Nonstop10h 25mAlaska Airlines
Sun 12/216:30 pmNRT - SEA
Nonstop9h 05mAlaska Airlines
Deal found 11/20$648
This Delta deal was found by Cheapflights users on 11/20. 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.
Sat 12/2710:35 amSEA - HND
Nonstop10h 30mDelta
Fri 1/164:50 pmHND - SEA
Nonstop9h 05mDelta
Deal found 11/20$648

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 21, 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

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Wed 1/21

12:10 am-5:55 pm

1 stop24h 45m

Tokyo Narita

Sat 1/31

9:00 am-1:55 pm

1 stop21h 55m

$631

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Sat 1/17

3:45 pm-7:15 pm

Nonstop10h 30m

Tokyo Haneda

Mon 2/2

9:15 pm-1:20 pm

Nonstop9h 05m

$635

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Sat 2/21

10:35 am-2:05 pm

Nonstop10h 30m

Tokyo Haneda

Sun 3/1

4:50 pm-9:00 am

Nonstop9h 10m

$641

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Fri 2/27

10:35 am-2:05 pm

Nonstop10h 30m

Tokyo Haneda

Sun 3/8

4:50 pm-9:00 am

Nonstop9h 10m

$641

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Mon 1/19

12:20 pm-4:00 pm

Nonstop10h 40m

Tokyo Narita

Mon 1/26

6:30 pm-10:40 am

Nonstop9h 10m

$644

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Tue 1/13

9:00 am-9:10 pm

1 stop19h 10m

Tokyo Haneda

Sun 1/25

9:15 pm-1:20 pm

Nonstop9h 05m

$644

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Mon 1/12

12:20 pm-4:00 pm

Nonstop10h 40m

Tokyo Narita

Sat 1/24

6:30 pm-10:40 am

Nonstop9h 10m

$646

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Mon 1/12

10:40 am-2:05 pm

Nonstop10h 25m

Tokyo Haneda

Sat 1/24

4:50 pm-8:55 am

Nonstop9h 05m

$646

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Thu 1/22

6:03 am-3:00 pm

1 stop15h 57m

Tokyo Narita

Sat 1/31

5:35 pm-9:12 pm

2 stops20h 37m

$651

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Mon 1/26

10:40 am-2:05 pm

Nonstop10h 25m

Tokyo Haneda

Fri 2/13

4:50 pm-9:00 am

Nonstop9h 10m

$651

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

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 $206). 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 21, 2025.

It’s optimal to fly from Seattle to Asia in the evening. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the morning.

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 21, 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
1,281 reviews

Comfort

8.3

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Food

8.1

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
1,281 reviews
EVA Air
8.4
Very good
1,281 reviews

Comfort

8.3

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Food

8.1

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
1,009 reviews
EVA Air
8.4
Very good
1,281 reviews

Comfort

8.3

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Food

8.1

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
488 reviews
EVA Air
8.4
Very good
1,281 reviews

Comfort

8.3

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Food

8.1

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
1,407 reviews
EVA Air
8.4
Very good
1,281 reviews

Comfort

8.3

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Food

8.1

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
8,002 reviews
EVA Air
8.4
Very good
1,281 reviews

Comfort

8.3

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Food

8.1

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?

    Asiana Airlines, United Airlines, and Delta can get you from Seattle to Asia in just under 10h 30m. Your travel time can differ by up to 14h 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 $327 on Philippine Airlines. Other airlines that offer cheap prices include Japan Airlines from $337 and Alaska Airlines from $346 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.

  • 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 $206). 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 21, 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$1,039FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$569Average$892FlexibilityNo cancel feeOn-time79%
SWISSCheapest$584Average$976FlexibilityNo cancel feeOn-time79%
Cathay PacificCheapest$622Average$1,012FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$659Average$1,006FlexibilityNo cancel feeOn-time71%
KLMCheapest$718Average$1,164FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$722Average$949FlexibilityNo cancel feeOn-time72%

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