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Cheap flights from Seattle to Asia from $349

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Asia departing on 8/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Asia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
9:45 am - 2:35 pmSEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
38h 50m1 stop Singapore Changi
Singapore Airlines Logo
9:40 am - 7:10 amBKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
36h 30m1 stop Singapore Changi
$670Singapore Airlines
Thu, Oct 29 - Fri, Nov 13
Singapore Airlines Logo
8:45 am - 5:00 pmSEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
41h 15m1 stop Singapore Changi
Singapore Airlines Logo
9:40 am - 7:10 amBKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
36h 30m1 stop Singapore Changi
$671Singapore Airlines
Tue, Nov 3 - Thu, Nov 12
Asiana Airlines Logo
12:10 am - 11:00 amSEA  Seattle/Tacoma Intl-SGN Ho Chi Minh City
20h 50m1 stop Incheon Intl
Asiana Airlines Logo
12:05 pm - 3:15 pmSGN  Ho Chi Minh City-SEA Seattle/Tacoma Intl
17h 10m1 stop Incheon Intl
$731Asiana Airlines
Mon, Sep 28 - Tue, Oct 6
Multiple Airlines Logo
3:00 pm - 12:50 pmSEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
31h 50m2 stops Vancouver Intl Guangzhou Baiyun
Multiple Airlines Logo
6:05 pm - 9:40 amBKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
29h 35m3 stops Guangzhou Baiyun Vancouver Intl Calgary
$732Multiple Airlines
Fri, Sep 4 - Fri, Sep 18
Asiana Airlines Logo
12:10 am - 11:00 amSEA  Seattle/Tacoma Intl-SGN Ho Chi Minh City
19h 50m1 stop Incheon Intl
Asiana Airlines Logo
12:10 am - 1:55 pmSGN  Ho Chi Minh City-SEA Seattle/Tacoma Intl
28h 45m1 stop Incheon Intl
$739Asiana Airlines
Tue, Nov 17 - Sun, Dec 6
Korean Air Logo
7:15 am - 10:10 pmSEA  Seattle/Tacoma Intl-SGN Ho Chi Minh City
24h 55m2 stops San Francisco Incheon Intl
Korean Air Logo
7:30 am - 8:27 pmSGN  Ho Chi Minh City-SEA Seattle/Tacoma Intl
26h 57m2 stops Incheon Intl Los Angeles
$740Korean Air
Tue, Sep 29 - Tue, Oct 6
China Airlines Logo
1:15 am - 5:00 amSEA  Seattle/Tacoma Intl-TPE Taipei City Taiwan Taoyuan Intl
12h 45mnonstop
China Airlines Logo
11:35 pm - 6:10 pmTPE  Taipei City Taiwan Taoyuan Intl-SEA Seattle/Tacoma Intl
10h 35mnonstop
$741China Airlines
Mon, Oct 12 - Thu, Nov 12
China Airlines Logo
12:10 am - 5:20 amSEA  Seattle/Tacoma Intl-TPE Taipei City Taiwan Taoyuan Intl
13h 10mnonstop
China Airlines Logo
11:35 pm - 6:10 pmTPE  Taipei City Taiwan Taoyuan Intl-SEA Seattle/Tacoma Intl
10h 35mnonstop
$741China Airlines
Thu, Nov 5 - Sat, Jan 16
Korean Air Logo
7:15 am - 10:10 pmSEA  Seattle/Tacoma Intl-SGN Ho Chi Minh City
24h 55m2 stops Los Angeles Incheon Intl
Korean Air Logo
7:30 am - 10:40 amSGN  Ho Chi Minh City-SEA Seattle/Tacoma Intl
17h 10m1 stop Incheon Intl
$741Korean Air
Tue, Sep 29 - Tue, Oct 6
Multiple Airlines Logo
12:10 am - 4:15 pmSEA  Seattle/Tacoma Intl-SGN Ho Chi Minh City
25h 05m1 stop Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
11:20 am - 6:10 pmSGN  Ho Chi Minh City-SEA Seattle/Tacoma Intl
21h 50m1 stop Taichung City ChingChuanKang
$779Multiple Airlines
Mon, Jan 25 - Thu, Mar 4

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Air Canada flights from Seattle to Asia

Our best Air Canada deals on Seattle to Asia flight tickets
Air Canada
Sep 7
SEA10:40 amSeattle/Tacoma Intl
28h 25m
1 stop
BKK5:05 amBangkok Suvarnabhumi
Sep 30
BKK7:05 amBangkok Suvarnabhumi
25h 27m
1 stop
SEA6:32 pmSeattle/Tacoma Intl
$753
Air Canada
Aug 24
SEA7:20 pmSeattle/Tacoma Intl
19h 45m
1 stop
BKK5:05 amBangkok Suvarnabhumi
Sep 23
BKK7:05 amBangkok Suvarnabhumi
25h 27m
1 stop
SEA6:32 pmSeattle/Tacoma Intl
$757
Air Canada
Aug 24
SEA7:20 pmSeattle/Tacoma Intl
19h 45m
1 stop
BKK5:05 amBangkok Suvarnabhumi
Sep 23
BKK7:05 amBangkok Suvarnabhumi
25h 27m
1 stop
SEA6:32 pmSeattle/Tacoma Intl
$758

Asiana Airlines flights from Seattle to Asia

Our best Asiana Airlines deals on Seattle to Asia flight tickets
Asiana Airlines
Sep 28
SEA12:10 amSeattle/Tacoma Intl
20h 50m
1 stop
SGN11:00 amHo Chi Minh City
Oct 6
SGN12:05 pmHo Chi Minh City
17h 10m
1 stop
SEA3:15 pmSeattle/Tacoma Intl
$731
Asiana Airlines
Sep 20
SEA12:10 amSeattle/Tacoma Intl
20h 50m
1 stop
SGN11:00 amHo Chi Minh City
Sep 27
SGN12:10 amHo Chi Minh City
29h 05m
1 stop
SEA3:15 pmSeattle/Tacoma Intl
$739
Asiana Airlines
Sep 28
SEA12:10 amSeattle/Tacoma Intl
20h 30m
1 stop
BKK10:40 amBangkok Suvarnabhumi
Oct 6
BKK11:45 amBangkok Suvarnabhumi
17h 30m
1 stop
SEA3:15 pmSeattle/Tacoma Intl
$750

momondo 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, momondo users made 832,500 searches. Data last updated August 16, 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

Cheapest round-trip

SeattleBangkok

SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi

SEABKK

Seattle/Tacoma Intl

Thu 10/29

9:45 am-2:35 pm

1 stop38h 50m

Bangkok Suvarnabhumi

Fri 11/13

9:40 am-7:10 am

1 stop36h 30m

$670

SeattleBangkok

SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi

SEABKK

Seattle/Tacoma Intl

Tue 11/3

8:45 am-5:00 pm

1 stop41h 15m

Bangkok Suvarnabhumi

Thu 11/12

9:40 am-7:10 am

1 stop36h 30m

$671

SeattleHo Chi Minh City

SEA Seattle/Tacoma Intl - SGN Ho Chi Minh City

SEASGN

Seattle/Tacoma Intl

Mon 9/28

12:10 am-11:00 am

1 stop20h 50m

Ho Chi Minh City

Tue 10/6

12:05 pm-3:15 pm

1 stop17h 10m

$731

SeattleBangkok

SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi

SEABKK

Seattle/Tacoma Intl

Fri 9/4

3:00 pm-12:50 pm

2 stops31h 50m

Bangkok Suvarnabhumi

Fri 9/18

6:05 pm-9:40 am

3 stops29h 35m

$732

SeattleHo Chi Minh City

SEA Seattle/Tacoma Intl - SGN Ho Chi Minh City

SEASGN

Seattle/Tacoma Intl

Tue 11/17

12:10 am-11:00 am

1 stop19h 50m

Ho Chi Minh City

Sun 12/6

12:10 am-1:55 pm

1 stop28h 45m

$739

SeattleHo Chi Minh City

SEA Seattle/Tacoma Intl - SGN Ho Chi Minh City

SEASGN

Seattle/Tacoma Intl

Tue 9/29

7:15 am-10:10 pm

2 stops24h 55m

Ho Chi Minh City

Tue 10/6

7:30 am-8:27 pm

2 stops26h 57m

$740
Quickest round-trip

SeattleTaipei City

SEA Seattle/Tacoma Intl - TPE Taipei City Taiwan Taoyuan Intl

SEATPE

Seattle/Tacoma Intl

Mon 10/12

1:15 am-5:00 am

Nonstop12h 45m

Taipei City Taiwan Taoyuan Intl

Thu 11/12

11:35 pm-6:10 pm

Nonstop10h 35m

$741

SeattleTaipei City

SEA Seattle/Tacoma Intl - TPE Taipei City Taiwan Taoyuan Intl

SEATPE

Seattle/Tacoma Intl

Thu 11/5

12:10 am-5:20 am

Nonstop13h 10m

Taipei City Taiwan Taoyuan Intl

Sat 1/16

11:35 pm-6:10 pm

Nonstop10h 35m

$741

SeattleHo Chi Minh City

SEA Seattle/Tacoma Intl - SGN Ho Chi Minh City

SEASGN

Seattle/Tacoma Intl

Tue 9/29

7:15 am-10:10 pm

2 stops24h 55m

Ho Chi Minh City

Tue 10/6

7:30 am-10:40 am

1 stop17h 10m

$741

SeattleHo Chi Minh City

SEA Seattle/Tacoma Intl - SGN Ho Chi Minh City

SEASGN

Seattle/Tacoma Intl

Mon 1/25

12:10 am-4:15 pm

1 stop25h 05m

Ho Chi Minh City

Thu 3/4

11:20 am-6:10 pm

1 stop21h 50m

$779

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Seattle to Asia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Asia?

If you’re not able to fly to Asia in April, then January is your next best option. Flight prices from Seattle to Asia during January average around $845.

What is the cheapest Seattle/Tacoma Intl to Asia flight route?

Fly from Seattle/Tacoma Intl to Tokyo Haneda for the best Seattle/Tacoma Intl - Asia flight prices

How far in advance should I book a flight from Seattle to Asia?

You are more likely to see cheaper flights to Asia from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Asia for around $895 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Asia from Seattle for as low as $740 on momondo.

What cabin class options are available on Seattle to Asia flights?

There are 4 cabin classes available to choose from on Seattle to Asia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to Asia flights?

No. A direct flight is the cheapest option for a flight between Seattle to Asia.

Cheap Seattle to Asia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Asia

Best Price Found

$427

Fastest flight time

10h 10m

Direct flights

Every day

Airports in Asia

1,624 airports
The best one-way flight to Asia from Seattle in the past 72 hours is $427. The best round-trip flight deal from Seattle to Asia found on momondo in the last 72 hours is $841.
The fastest flight from Seattle to Asia takes 10h 10m
Direct flights go from Seattle to Asia every day.
There are 1,624 airports in Asia. From Seattle there are direct flights to Tokyo Narita (NRT), Tokyo Haneda (HND).
Search flight deals

Frequently asked questions about flying from Seattle to Asia

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Asia?

    Prices for flights from Seattle/Tacoma Intl Airport to Asia are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Asia?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Asia?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Asia.

  • What documentation or ID do you need to fly to Asia?

    The travel and health documents required for your trip to Asia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Asia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Seattle to Asia

Compare and see reviews for airlines that fly from Seattle to Asia with momondo
Airline
Rating
Free Cancellation
Price
Hawaiian AirlinesPriceFrom $160Free CancellationRating
7.8
2,817 reviews
Search Hawaiian Airlines flights
Hainan AirlinesPriceFrom $385Free CancellationRating
8.3
68 reviews
Search Hainan Airlines flights
Air CanadaPriceFrom $455Free CancellationRating
7.1
11,479 reviews
Search Air Canada flights
United AirlinesPriceFrom $459Free CancellationRating
7.4
10,104 reviews
Search United Airlines flights
Korean AirPriceFrom $506Free CancellationRating
8.4
1,221 reviews
Search Korean Air flights
Virgin AtlanticPriceFrom $552Free CancellationRating
7.5
694 reviews
Search Virgin Atlantic flights
Japan AirlinesPriceFrom $576Free CancellationRating
8.3
1,905 reviews
Search Japan Airlines flights
Qatar AirwaysPriceFrom $577Free CancellationRating
7.4
3,738 reviews
Search Qatar Airways flights
China AirlinesPriceFrom $581Free CancellationRating
8.3
841 reviews
Search China Airlines flights
Cathay PacificPriceFrom $639Free CancellationRating
7.6
1,453 reviews
Search Cathay Pacific flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Asia?

It is quick and easy to find Seattle to Asia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Asia that suits you.

Can I find flights from Seattle to Asia with flexible booking policies on momondo?

Yes. All flights to Asia from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to Asia?

Once all potential Seattle to Asia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seattle to Asia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to Asia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Asia and let you know when they change.

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Find better results for your trip to Asia

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