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$285+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ICN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This CrystalTravel deal was found by Cheapflights users on 12/11. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/263:40 pmSEA - HND
Nonstop10h 35mANA
Thu 1/159:15 pmHND - SEA
Nonstop9h 05mANA
Deal found 12/11$608
This oojo deal was found by Cheapflights users on 12/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:10 pmSEA - NRT
Nonstop10h 30mJapan Airlines
Wed 1/286:10 pmNRT - SEA
Nonstop8h 45mJapan Airlines
Deal found 12/10$628
This Air Canada deal was found by Cheapflights users on 12/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:50 amSEA - NRT
1 stop17h 30mAir Canada
Wed 1/216:15 pmNRT - SEA
1 stop20h 51mAir Canada
Deal found 12/12$636
This FlightHub deal was found by Cheapflights users on 12/10. 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 FlightHub 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
Thu 1/86:10 pmNRT - SEA
Nonstop8h 45mJapan Airlines
Deal found 12/10$638
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:45 pmSEA - HND
Nonstop10h 30mUnited Airlines
Wed 1/289:15 pmHND - SEA
Nonstop9h 05mUnited Airlines
Deal found 12/10$650
This Hawaiian Airlines deal was found by Cheapflights users on 12/11. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:30 pmSEA - NRT
Nonstop10h 30mAlaska Airlines
Wed 1/286:30 pmNRT - SEA
Nonstop9h 10mAlaska Airlines
Deal found 12/11$651
This Delta deal was found by Cheapflights users on 12/11. 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.
Wed 12/3110:35 amSEA - HND
Nonstop10h 30mDelta
Wed 1/284:50 pmHND - SEA
Nonstop9h 05mDelta
Deal found 12/11$652
This CrystalTravel deal was found by Cheapflights users on 12/10. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:05 amSEA - NRT
1 stop14h 55mANA
Wed 1/144:45 pmNRT - SEA
1 stop15h 59mANA
Deal found 12/10$654
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Sat 12/277:05 amSEA - NRT
1 stop14h 55mUnited Airlines
Mon 1/125:00 pmNRT - SEA
1 stop18h 27mUnited Airlines
Deal found 12/11$655
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/293:40 pmSEA - HND
Nonstop10h 35mUnited Airlines
Wed 1/219:15 pmHND - SEA
Nonstop9h 05mUnited Airlines
Deal found 12/10$658
This Hawaiian Airlines deal was found by Cheapflights users on 12/11. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2912:30 pmSEA - NRT
Nonstop10h 30mAlaska Airlines
Wed 1/216:30 pmNRT - SEA
Nonstop9h 10mAlaska Airlines
Deal found 12/11$659
This Delta deal was found by Cheapflights users on 12/11. 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 12/2810:35 amSEA - HND
Nonstop10h 30mDelta
Tue 1/134:50 pmHND - SEA
Nonstop9h 05mDelta
Deal found 12/11$659

Find flight deals from Seattle to Asia

Keep the following information in mind while searching for Seattle to Asia flight deals. Data was last updated December 12, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$605
(CrystalTravel)

One-way from

$285
(SmartFares)

Popular in

June

Cheapest in

February

Average price

$1,270

Good round-trip deal

$337 or less

Good one-way deal

$327 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Manila Ninoy Aquino Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Manila Ninoy Aquino Intl flights.
Search Deals
From Seattle/Tacoma Intl to Asia
Search Deals
One-way flight from Seattle/Tacoma Intl to Asia
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($175 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Asia.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to Asia.
Search Deals

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 December 12, 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

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Wed 2/4

3:50 pm-9:05 pm

Nonstop13h 15m

Taipei City Taiwan Taoyuan Intl

Fri 2/27

10:55 am-6:00 am

Nonstop11h 05m

$630

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Sun 2/1

3:50 pm-9:05 pm

Nonstop13h 15m

Taipei City Taiwan Taoyuan Intl

Tue 2/24

10:55 am-6:00 am

Nonstop11h 05m

$630

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Mon 2/9

3:50 pm-9:05 pm

Nonstop13h 15m

Taipei City Taiwan Taoyuan Intl

Tue 2/24

10:55 am-6:00 am

Nonstop11h 05m

$630

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Mon 5/11

12:10 am-3:30 pm

1 stop24h 20m

Taipei City Taiwan Taoyuan Intl

Tue 5/26

12:55 pm-2:55 pm

1 stop17h 00m

$635

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Sat 1/24

3:45 pm-7:15 pm

Nonstop10h 30m

Tokyo Haneda

Sat 1/31

9:15 pm-1:20 pm

Nonstop9h 05m

$635

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Sun 2/8

3:45 pm-7:15 pm

Nonstop10h 30m

Tokyo Haneda

Sun 2/15

9:15 pm-1:20 pm

Nonstop9h 05m

$642

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

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Fri 5/1

1:16 pm-4:05 am

1 stop23h 49m

Taipei City Taiwan Taoyuan Intl

Thu 5/7

9:50 am-8:57 pm

1 stop26h 07m

$644

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Tue 3/17

9:20 am-4:45 am

1 stop28h 25m

Taipei City Taiwan Taoyuan Intl

Wed 4/8

2:30 pm-9:12 pm

1 stop21h 42m

$644

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Thu 2/19

5:05 am-2:50 pm

1 stop16h 45m

Tokyo Haneda

Tue 3/3

9:15 pm-1:20 pm

Nonstop9h 05m

$644

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

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, April is the cheapest month in which you can book a flight from Seattle to Asia (average of $335). Flying from Seattle to Asia in October is currently the most expensive (average of $590). 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 December 12, 2025.

It’s optimal to fly from Seattle to Asia in the morning. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight in the evening.

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 Wednesday at noon 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.

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 December 12, 2025.

The most flights from SEA to AS0 are scheduled on a Wednesday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 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 December 12, 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
8.5
Very good
1,296 reviews

Boarding

8.4

Overall

8.5

Comfort

8.3

Crew

8.6

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
EVA Air
8.5
Very good
1,296 reviews
EVA Air
8.5
Very good
1,296 reviews

Boarding

8.4

Overall

8.5

Comfort

8.3

Crew

8.6

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
ANA
8.4
Very good
1,021 reviews
EVA Air
8.5
Very good
1,296 reviews

Boarding

8.4

Overall

8.5

Comfort

8.3

Crew

8.6

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Asiana Airlines
8.2
Very good
492 reviews
EVA Air
8.5
Very good
1,296 reviews

Boarding

8.4

Overall

8.5

Comfort

8.3

Crew

8.6

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Singapore Airlines
8.1
Very good
1,412 reviews
EVA Air
8.5
Very good
1,296 reviews

Boarding

8.4

Overall

8.5

Comfort

8.3

Crew

8.6

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Delta
7.9
Good
8,009 reviews
EVA Air
8.5
Very good
1,296 reviews

Boarding

8.4

Overall

8.5

Comfort

8.3

Crew

8.6

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.

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.

  • How long is the flight from Seattle to Asia?

    Delta, Asiana Airlines, and United Airlines can get you from Seattle to Asia in just under 10h 30m. Your travel time can differ by up to 13h 50m. 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 $160 on Hawaiian Airlines. Other airlines that offer cheap prices include Alaska Airlines from $180 and Philippine Airlines from $229 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 (73%), Korean Air (67%) or Alaska Airlines (55%) 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 $1,265, our data shows the cheapest flight currently is $198. When looking at the most popular route, (Seattle/Tacoma Intl - Tokyo Narita), you can expect to pay $597 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, April is the cheapest month in which you can book a flight from Seattle to Asia (average of $335). Flying from Seattle to Asia in October is currently the most expensive (average of $590). 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.

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$282Average$895FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$282Average$894FlexibilityNo cancel feeOn-time85%
Air CanadaCheapest$498Average$1,005FlexibilityNo cancel feeOn-time67%
Singapore AirlinesCheapest$520Average$810FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$569Average$893FlexibilityNo cancel feeOn-time79%
China AirlinesCheapest$610Average$958FlexibilityNo cancel feeOn-time70%
Cathay PacificCheapest$622Average$948FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$659Average$997FlexibilityNo cancel feeOn-time71%
STARLUX AirlinesCheapest$684Average$967FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$691Average$1,091FlexibilityNo cancel feeOn-time77%

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