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$228+ 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 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
Mar 28 — Apr 41
Sat 3/28
Sat 4/4
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 February 26, 2026.

This CrystalTravel deal was found by Cheapflights users on 2/22. 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 5/512:55 am
SEA
-
HKG
1 stop19h 45m
Asiana Airlines
Fri 5/291:00 pm
HKG
-
SEA
1 stop16h 55m
Asiana Airlines
Deal found 2/22$577
This Air Canada deal was found by Cheapflights users on 2/23. 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 11/237:05 pm
SEA
-
HKG
1 stop18h 05m
Multiple Airlines
Tue 12/19:20 am
HKG
-
SEA
2 stops21h 11m
Multiple Airlines
Deal found 2/23$579
This Gurufare deal was found by Cheapflights users on 2/26. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:20 pm
SEA
-
HKG
1 stop18h 55m
Multiple Airlines
Mon 11/29:45 am
HKG
-
SEA
1 stop16h 06m
Multiple Airlines
Deal found 2/26$582
This Gurufare deal was found by Cheapflights users on 2/24. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/124:30 pm
SEA
-
HKG
1 stop28h 55m
ANA
Thu 10/152:45 pm
HKG
-
SEA
1 stop14h 40m
ANA
Deal found 2/24$583
This Air Canada deal was found by Cheapflights users on 2/24. 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 4/215:40 am
SEA
-
HKG
2 stops26h 20m
Multiple Airlines
Tue 6/239:25 am
HKG
-
SEA
2 stops19h 57m
Multiple Airlines
Deal found 2/24$584
This BusinessClass deal was found by Cheapflights users on 2/25. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2510:20 am
SEA
-
HKG
1 stop27h 55m
Multiple Airlines
Sat 5/99:45 am
HKG
-
SEA
1 stop15h 05m
Multiple Airlines
Deal found 2/25$585
This Expedia deal was found by Cheapflights users on 2/22. 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.
Sun 4/125:40 am
SEA
-
HKG
2 stops26h 20m
Multiple Airlines
Wed 4/2211:30 am
HKG
-
SEA
1 stop23h 35m
Multiple Airlines
Deal found 2/22$586
This Gurufare deal was found by Cheapflights users on 2/22. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1112:55 am
SEA
-
HKG
1 stop19h 45m
Asiana Airlines
Tue 10/131:00 pm
HKG
-
SEA
1 stop16h 55m
Asiana Airlines
Deal found 2/22$587
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:55 am
SEA
-
HKG
1 stop19h 45m
Asiana Airlines
Sun 5/31:40 am
HKG
-
SEA
1 stop28h 15m
Asiana Airlines
Deal found 2/24$588
This Air Canada deal was found by Cheapflights users on 2/24. 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 4/168:00 pm
SEA
-
HKG
1 stop18h 15m
Air Canada
Wed 4/229:45 am
HKG
-
SEA
1 stop20h 20m
Air Canada
Deal found 2/24$589
This Air Canada deal was found by Cheapflights users on 2/23. 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 4/148:00 pm
SEA
-
HKG
1 stop18h 15m
Air Canada
Wed 5/69:45 am
HKG
-
SEA
1 stop14h 30m
Air Canada
Deal found 2/23$590
This FlightHub deal was found by Cheapflights users on 2/24. 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 4/2112:55 am
SEA
-
HKG
1 stop19h 45m
Asiana Airlines
Thu 6/181:00 pm
HKG
-
SEA
1 stop16h 55m
Asiana Airlines
Deal found 2/24$591

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 February 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$577
(CrystalTravel)

One-way from

$228
(Air Canada)

Popular in

June

Cheapest in

January

Average price

$773

Good round-trip deal

$608 or less

Good one-way deal

$301 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 ($172 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 26, 2026.
Use the filters below to find and compare flights from Seattle to Asia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sun 3/8

5:20 pm-5:45 am

1 stop21h 25m

Hong Kong Intl

Tue 3/10

12:05 am-2:20 pm

1 stop29h 15m

$596

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 5/4

1:00 pm-10:55 am

1 stop30h 55m

Hong Kong Intl

Wed 5/27

5:55 pm-1:11 pm

1 stop34h 16m

$624

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 4/14

12:22 pm-5:00 am

2 stops25h 38m

Hong Kong Intl

Thu 5/7

2:45 pm-2:25 pm

1 stop14h 40m

$629

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Sun 5/3

3:55 pm-7:55 pm

Nonstop13h 00m

Taipei City Taiwan Taoyuan Intl

Mon 5/11

9:35 am-6:00 am

Nonstop11h 25m

$630

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Thu 4/9

3:55 pm-7:55 pm

Nonstop13h 00m

Taipei City Taiwan Taoyuan Intl

Thu 4/16

9:50 am-6:00 am

Nonstop11h 10m

$630

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Thu 4/16

3:55 pm-4:20 pm

2 stops33h 25m

Hong Kong Intl

Mon 4/27

12:20 pm-10:40 am

1 stop37h 20m

$631

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 4/21

7:35 am-10:45 pm

2 stops24h 10m

Hong Kong Intl

Thu 6/18

12:45 am-11:00 am

1 stop25h 15m

$631

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Sun 4/19

3:55 pm-7:55 pm

Nonstop13h 00m

Taipei City Taiwan Taoyuan Intl

Sun 4/26

9:35 am-6:00 am

Nonstop11h 25m

$631

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sun 5/10

8:45 am-5:00 am

2 stops29h 15m

Hong Kong Intl

Thu 7/9

2:35 pm-2:25 pm

1 stop14h 50m

$634

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 5/5

7:08 am-5:40 am

2 stops31h 32m

Hong Kong Intl

Thu 5/28

2:45 pm-2:25 pm

1 stop14h 40m

$634

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 February 26, 2026.

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 September 28, 2025.

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. Tuesday 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 February 26, 2026.
See what other customers who have flown with EVA Air, ANA, and Singapore 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
1,359 reviews

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
EVA Air
8.4
Very good
1,359 reviews
EVA Air
8.4
Very good
1,359 reviews

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
ANA
8.4
Very good
1,102 reviews
EVA Air
8.4
Very good
1,359 reviews

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
Singapore Airlines
8.2
Very good
1,463 reviews
EVA Air
8.4
Very good
1,359 reviews

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
Asiana Airlines
8.1
Very good
502 reviews
EVA Air
8.4
Very good
1,359 reviews

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
Delta
7.9
Good
8,238 reviews
EVA Air
8.4
Very good
1,359 reviews

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.

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?

    United Airlines, Delta, and Korean Air can get you from Seattle to Asia in just under 21h 25m. Your travel time can differ by up to 12h. Seattle and Asia are separated by a distance of 6484 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 $168 on Alaska Airlines. Other airlines that offer cheap prices include Hawaiian Airlines from $183 and Air Canada from $225 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, 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.

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 February 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$282Average$902FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$282Average$878FlexibilityNo cancel feeOn-time85%
Air CanadaCheapest$475Average$1,011FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$569Average$924FlexibilityNo cancel feeOn-time79%
China AirlinesCheapest$580Average$958FlexibilityNo cancel feeOn-time70%
Alaska AirlinesCheapest$636Average$877FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$646Average$971FlexibilityNo cancel feeOn-time72%
Vietnam AirlinesCheapest$654Average$813FlexibilityNo cancel feeOn-time81%
STARLUX AirlinesCheapest$664Average$958FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$706Average$906FlexibilityNo cancel feeOn-time79%

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