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$284+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
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 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/712:10 am
SEA
-
HKG
1 stop19h 50m
Asiana Airlines
Sat 3/211:10 pm
HKG
-
SEA
1 stop16h 45m
Asiana Airlines
Deal found 2/2$585
This oojo deal was found by Cheapflights users on 2/1. 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 4/1912:55 am
SEA
-
HKG
1 stop19h 45m
Asiana Airlines
Sun 4/261:00 pm
HKG
-
SEA
1 stop16h 55m
Asiana Airlines
Deal found 2/1$589
This FlightHub deal was found by Cheapflights users on 2/1. 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 4/1212:55 am
SEA
-
HKG
1 stop31h 35m
Asiana Airlines
Thu 4/231:00 pm
HKG
-
SEA
1 stop16h 55m
Asiana Airlines
Deal found 2/1$591
This FlightHub deal was found by Cheapflights users on 2/1. 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.
Mon 4/612:55 am
SEA
-
HKG
1 stop19h 45m
Asiana Airlines
Fri 5/151:00 pm
HKG
-
SEA
1 stop16h 55m
Asiana Airlines
Deal found 2/1$592
This FlightHub deal was found by Cheapflights users on 2/1. 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 4/1412:55 am
SEA
-
HKG
1 stop19h 45m
Asiana Airlines
Thu 4/231:00 pm
HKG
-
SEA
1 stop16h 55m
Asiana Airlines
Deal found 2/1$593
This flugladen.de deal was found by Cheapflights users on 2/3. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:50 pm
SEA
-
HKG
1 stop31h 05m
Korean Air
Sat 5/212:20 pm
HKG
-
SEA
1 stop37h 20m
Korean Air
Deal found 2/3$595
This FlightHub deal was found by Cheapflights users on 2/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:55 am
SEA
-
HKG
1 stop19h 45m
Asiana Airlines
Thu 10/291:10 pm
HKG
-
SEA
1 stop16h 45m
Asiana Airlines
Deal found 2/3$596
This Korean Air deal was found by Cheapflights users on 2/2. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/812:00 pm
SEA
-
HKG
1 stop37h 50m
Korean Air
Wed 3/1112:35 pm
HKG
-
SEA
1 stop36h 25m
Korean Air
Deal found 2/2$598
This Korean Air deal was found by Cheapflights users on 2/2. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2912:50 pm
SEA
-
HKG
1 stop31h 05m
Korean Air
Wed 4/15:55 pm
HKG
-
SEA
1 stop31h 45m
Korean Air
Deal found 2/2$600
This Trip.com deal was found by Cheapflights users on 2/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/812:00 pm
SEA
-
HKG
1 stop37h 50m
Korean Air
Fri 3/2012:55 am
HKG
-
SEA
2 stops31h 14m
Korean Air
Deal found 2/1$605
This oojo deal was found by Cheapflights users on 2/1. 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.
Fri 10/212:55 am
SEA
-
TPE
1 stop23h 35m
Asiana Airlines
Mon 10/124:30 pm
TPE
-
SEA
1 stop13h 25m
Asiana Airlines
Deal found 2/1$606
This FlightHub deal was found by Cheapflights users on 2/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/212:10 am
SEA
-
TPE
1 stop17h 40m
Asiana Airlines
Wed 3/1111:40 am
TPE
-
SEA
1 stop18h 15m
Asiana Airlines
Deal found 2/2$607

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 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$585
(Kiwi.com)

One-way from

$284
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$768

Good round-trip deal

$644 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 ($174 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 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 3, 2026.
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

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sun 3/8

12:00 pm-11:20 am

1 stop32h 20m

Hong Kong Intl

Tue 3/10

12:55 am-5:09 pm

2 stops31h 14m

$609

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Mon 2/16

9:19 am-7:50 pm

1 stop18h 31m

Taipei City Taiwan Taoyuan Intl

Tue 2/24

3:50 pm-3:41 pm

1 stop15h 51m

$609

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Wed 3/4

5:00 am-7:50 pm

2 stops22h 50m

Taipei City Taiwan Taoyuan Intl

Wed 4/29

2:30 pm-9:46 pm

2 stops22h 16m

$614

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Tue 2/17

12:32 pm-5:45 am

1 stop25h 13m

Taipei City Taiwan Taoyuan Intl

Fri 2/20

11:10 am-12:59 am

1 stop29h 49m

$615

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Mon 2/16

5:05 am-7:50 pm

1 stop22h 45m

Taipei City Taiwan Taoyuan Intl

Mon 2/23

11:10 am-12:59 am

1 stop29h 49m

$615

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Tue 3/3

9:00 am-5:45 am

2 stops28h 45m

Taipei City Taiwan Taoyuan Intl

Fri 4/3

9:50 am-11:30 pm

1 stop28h 40m

$620

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 4/14

1:00 pm-4:20 pm

1 stop36h 20m

Hong Kong Intl

Wed 5/6

12:20 pm-1:11 pm

1 stop15h 51m

$624

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 3/3

11:30 am-4:50 pm

1 stop37h 20m

Hong Kong Intl

Tue 4/21

12:45 am-1:07 pm

1 stop27h 22m

$624

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Fri 4/17

12:50 pm-4:20 pm

1 stop36h 30m

Hong Kong Intl

Thu 4/23

5:55 pm-5:16 pm

2 stops38h 21m

$626

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 3/16

12:00 pm-4:50 pm

1 stop37h 50m

Hong Kong Intl

Mon 4/20

12:20 pm-10:40 am

1 stop37h 20m

$626

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

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 February 3, 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. Friday 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 3, 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
8.5
Very good
1,342 reviews

Overall

8.5

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

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
8.5
Very good
1,342 reviews
EVA Air
8.5
Very good
1,342 reviews

Overall

8.5

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

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
1,084 reviews
EVA Air
8.5
Very good
1,342 reviews

Overall

8.5

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

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
1,443 reviews
EVA Air
8.5
Very good
1,342 reviews

Overall

8.5

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

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
8.5
Very good
1,342 reviews

Overall

8.5

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

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
8,138 reviews
EVA Air
8.5
Very good
1,342 reviews

Overall

8.5

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

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?

    Korean Air, United Airlines, and Delta can get you from Seattle to Asia in just under 18h 31m. Your travel time can differ by up to 17h 49m. Seattle and Asia are separated by a distance of 6058 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 $168 and Air Canada from $226 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

Browse thousands of different options on Cheapflights for your next trip

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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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$282Average$820FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$440Average$904FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$450Average$1,026FlexibilityNo cancel feeOn-time67%
Singapore AirlinesCheapest$517Average$793FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$569Average$918FlexibilityNo cancel feeOn-time79%
Cathay PacificCheapest$622Average$971FlexibilityNo cancel feeOn-time72%
Vietnam AirlinesCheapest$654Average$799FlexibilityNo cancel feeOn-time81%
STARLUX AirlinesCheapest$668Average$963FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$680Average$1,064FlexibilityNo cancel feeOn-time77%
SWISSCheapest$706Average$913FlexibilityNo cancel feeOn-time79%

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