What is the cheapest airline that flies from Seattle/Tacoma Intl to Vietnam?

Korean Air, China Airlines, and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Vietnam

What airlines fly to Vietnam?

Asiana Airlines, China Airlines and STARLUX Airlines are the top three most popular airlines that fly to Vietnam from Seattle according to our data. Asiana Airlines is the first choice among our users, with 29% of people opting to fly with this airline when traveling to Vietnam. Keep in mind that there are 13 different airlines that fly to Vietnam on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Seattle/Tacoma Intl Airport to Vietnam are updated daily.

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

As of August 2026, there are 13 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Vietnam.

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

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 Vietnam.

What documentation or ID do you need to fly to Vietnam?

The travel and health documents you'll need for your trip to Vietnam may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Vietnam. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$385 Cheap Flights from Seattle to Vietnam in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Vietnam

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:15 am - 2:40 pmSEA Seattle/Tacoma Intl-SGN Ho Chi Minh City

38h 25m1 stop Singapore Changi

7:55 pm - 7:10 amSGN Ho Chi Minh City-SEA Seattle/Tacoma Intl

26h 15m1 stop Singapore Changi

$748Singapore Airlines

Tue, Sep 29 - Fri, Nov 6

10:15 am - 8:15 amSEA Seattle/Tacoma Intl-SGN Ho Chi Minh City

32h 00m1 stop Singapore Changi

7:40 pm - 8:45 amSGN Ho Chi Minh City-SEA Seattle/Tacoma Intl

27h 05m1 stop Singapore Changi

$748Singapore Airlines

Tue, Sep 22 - Wed, Oct 21

1:55 am - 9:40 amSEA Seattle/Tacoma Intl-SGN Ho Chi Minh City

17h 45m1 stop Taipei City Taiwan Taoyuan Intl

5:15 pm - 6:10 pmSGN Ho Chi Minh City-SEA Seattle/Tacoma Intl

15h 55m1 stop Taipei City Taiwan Taoyuan Intl

$786China Airlines

Sat, Sep 12 - Sun, Nov 15

1:55 am - 9:40 amSEA Seattle/Tacoma Intl-SGN Ho Chi Minh City

17h 45m1 stop Taipei City Taiwan Taoyuan Intl

10:50 am - 7:15 pmSGN Ho Chi Minh City-SEA Seattle/Tacoma Intl

22h 25m1 stop Taipei City Taiwan Taoyuan Intl

$786China Airlines

Sat, Aug 22 - Sun, Sep 20

12:10 am - 4:15 pmSEA Seattle/Tacoma Intl-SGN Ho Chi Minh City

25h 05m1 stop Taipei City Taiwan Taoyuan Intl

11:20 am - 6:10 pmSGN Ho Chi Minh City-SEA Seattle/Tacoma Intl

21h 50m1 stop Taichung City ChingChuanKang

$790Multiple Airlines

Thu, Jan 28 - Sun, Mar 7

12:10 am - 10:00 amSEA Seattle/Tacoma Intl-SGN Ho Chi Minh City

18h 50m1 stop Taipei City Taiwan Taoyuan Intl

11:20 am - 6:10 pmSGN Ho Chi Minh City-SEA Seattle/Tacoma Intl

21h 50m1 stop Taichung City ChingChuanKang

$790Multiple Airlines

Sun, Jan 10 - Mon, Jan 25

1:15 am - 10:15 amSEA Seattle/Tacoma Intl-SGN Ho Chi Minh City

19h 00m1 stop Taipei City Taiwan Taoyuan Intl

11:40 am - 3:05 pmSGN Ho Chi Minh City-SEA Seattle/Tacoma Intl

18h 25m1 stop Taipei City Taiwan Taoyuan Intl

$803STARLUX Airlines

Mon, Oct 12 - Wed, Nov 11

11:45 pm - 10:30 amSEA Seattle/Tacoma Intl-SGN Ho Chi Minh City

19h 45m1 stop Taipei City Taiwan Taoyuan Intl

11:40 am - 3:05 pmSGN Ho Chi Minh City-SEA Seattle/Tacoma Intl

18h 25m1 stop Taipei City Taiwan Taoyuan Intl

$804STARLUX Airlines

Tue, Nov 3 - Tue, Dec 8

12:50 pm - 10:10 pmSEA Seattle/Tacoma Intl-SGN Ho Chi Minh City

19h 20m1 stop Incheon Intl

11:45 pm - 10:40 amSGN Ho Chi Minh City-SEA Seattle/Tacoma Intl

24h 55m1 stop Incheon Intl

$804Korean Air

Thu, Sep 3 - Mon, Sep 14

11:00 am - 10:25 pmSEA Seattle/Tacoma Intl-SGN Ho Chi Minh City

20h 25m1 stop Incheon Intl

2:05 pm - 9:00 amSGN Ho Chi Minh City-SEA Seattle/Tacoma Intl

33h 55m1 stop Incheon Intl

$804Korean Air

Fri, Jan 29 - Wed, Feb 10

Cheap last minute flights

Enter your travel dates to find the best prices.

1:15 am - 4:55 pmSEA Seattle/Tacoma Intl-SGN Ho Chi Minh City

25h 40m1 stop Taipei City Taiwan Taoyuan Intl

5:50 pm - 3:05 pmSGN Ho Chi Minh City-SEA Seattle/Tacoma Intl

36h 15m1 stop Taipei City Taiwan Taoyuan Intl

$806STARLUX Airlines

Sun, Aug 9 - Mon, Dec 14

1:15 am - 10:15 amSEA Seattle/Tacoma Intl-SGN Ho Chi Minh City

19h 00m1 stop Taipei City Taiwan Taoyuan Intl

11:30 am - 4:10 pmSGN Ho Chi Minh City-SEA Seattle/Tacoma Intl

18h 40m1 stop Taipei City Taiwan Taoyuan Intl

$806STARLUX Airlines

Mon, Aug 10 - Tue, Sep 15

12:36 pm - 12:35 pmSEA Seattle/Tacoma Intl-SGN Ho Chi Minh City

33h 59m2 stops Los Angeles Los Angeles Incheon Intl

8:00 am - 9:00 amSGN Ho Chi Minh City-SEA Seattle/Tacoma Intl

16h 00m1 stop Incheon Intl

$840Korean Air

Mon, Aug 10 - Mon, Dec 14

7:20 am - 11:15 pmSEA Seattle/Tacoma Intl-SGN Ho Chi Minh City

25h 55m2 stops San Francisco Incheon Intl

2:05 pm - 9:00 amSGN Ho Chi Minh City-SEA Seattle/Tacoma Intl

33h 55m1 stop Incheon Intl

$841Korean Air

Mon, Aug 10 - Mon, Dec 14

6:30 am - 9:55 pmSEA Seattle/Tacoma Intl-SGN Ho Chi Minh City

49h 25m2 stops Los Angeles Los Angeles Tokyo Haneda

11:15 pm - 2:25 pmSGN Ho Chi Minh City-SEA Seattle/Tacoma Intl

29h 10m1 stop Tokyo Haneda

$842United Airlines

Tue, Aug 11 - Tue, Sep 15

7:11 am - 9:55 pmSEA Seattle/Tacoma Intl-SGN Ho Chi Minh City

24h 44m2 stops San Francisco Tokyo Haneda

11:15 pm - 2:25 pmSGN Ho Chi Minh City-SEA Seattle/Tacoma Intl

29h 10m1 stop Tokyo Haneda

$842United Airlines

Tue, Aug 11 - Tue, Sep 15

4:30 pm - 9:55 pmSEA Seattle/Tacoma Intl-SGN Ho Chi Minh City

39h 25m1 stop Tokyo Haneda

11:15 pm - 2:25 pmSGN Ho Chi Minh City-SEA Seattle/Tacoma Intl

29h 10m1 stop Tokyo Haneda

$849ANA

Fri, Aug 7 - Mon, Sep 7

1:20 pm - 9:35 pmSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

18h 15m1 stop Incheon Intl

11:10 pm - 9:59 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

36h 49m2 stops Incheon Intl Las Vegas Harry Reid Intl

$1,035Delta

Mon, Aug 10 - Mon, Aug 17

7:16 am - 10:35 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

37h 19m2 stops Los Angeles Los Angeles Incheon Intl

11:10 pm - 9:59 pmHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

36h 49m2 stops Incheon Intl Las Vegas Harry Reid Intl

$1,039Delta

Mon, Aug 10 - Mon, Aug 17

12:25 pm - 9:55 amSEA Seattle/Tacoma Intl-HAN Hanoi Noibai

31h 30m1 stop Hong Kong Intl

7:10 pm - 7:07 amHAN Hanoi Noibai-SEA Seattle/Tacoma Intl

25h 57m2 stops Hong Kong Intl Vancouver Intl

$1,070Multiple Airlines

Mon, Aug 10 - Mon, Aug 17

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Singapore Airlines flights from Seattle to Vietnam

Our best Singapore Airlines deals on Seattle to Vietnam flight tickets

Singapore Airlines

Sep 22

SEA10:15 amSeattle/Tacoma Intl

32h 00m

1 stop

SGN8:15 amHo Chi Minh City

Oct 21

SGN7:40 pmHo Chi Minh City

27h 05m

1 stop

SEA8:45 amSeattle/Tacoma Intl

$748

Singapore Airlines

Jan 12

SEA8:45 amSeattle/Tacoma Intl

41h 05m

1 stop

SGN4:50 pmHo Chi Minh City

Feb 2

SGN12:15 pmHo Chi Minh City

33h 55m

1 stop

SEA7:10 amSeattle/Tacoma Intl

$770

Singapore Airlines

Jan 5

SEA8:45 amSeattle/Tacoma Intl

41h 05m

1 stop

SGN4:50 pmHo Chi Minh City

Mar 31

SGN3:50 pmHo Chi Minh City

30h 55m

1 stop

SEA8:45 amSeattle/Tacoma Intl

$773

Delta flights from Seattle to Vietnam

Our best Delta deals on Seattle to Vietnam flight tickets

Delta

Nov 20

SEA1:00 pmSeattle/Tacoma Intl

32h 50m

1 stop

SGN12:50 pmHo Chi Minh City

Dec 3

SGN8:00 amHo Chi Minh City

18h 56m

1 stop

SEA11:56 amSeattle/Tacoma Intl

$831

Delta

Oct 4

SEA1:00 pmSeattle/Tacoma Intl

20h 15m

1 stop

SGN11:15 pmHo Chi Minh City

Nov 26

SGN11:50 pmHo Chi Minh City

27h 01m

1 stop

SEA11:51 amSeattle/Tacoma Intl

$832

Delta

Sep 10

SEA1:00 pmSeattle/Tacoma Intl

18h 35m

1 stop

HAN9:35 pmHanoi Noibai

Sep 20

HAN11:10 pmHanoi Noibai

28h 27m

1 stop

SEA1:37 pmSeattle/Tacoma Intl

$876

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHo Chi Minh City

SEA Seattle/Tacoma Intl - SGN Ho Chi Minh City

SEASGN

Seattle/Tacoma Intl

Tue 9/29

10:15 am-2:40 pm

1 stop38h 25m

Ho Chi Minh City

Fri 11/6

7:55 pm-7:10 am

1 stop26h 15m

$748

SeattleHo Chi Minh City

SEA Seattle/Tacoma Intl - SGN Ho Chi Minh City

SEASGN

Seattle/Tacoma Intl

Tue 9/22

10:15 am-8:15 am

1 stop32h 00m

Ho Chi Minh City

Wed 10/21

7:40 pm-8:45 am

1 stop27h 05m

$748

Quickest round-trip

SeattleHo Chi Minh City

SEA Seattle/Tacoma Intl - SGN Ho Chi Minh City

SEASGN

Seattle/Tacoma Intl

Sat 9/12

1:55 am-9:40 am

1 stop17h 45m

Ho Chi Minh City

Sun 11/15

5:15 pm-6:10 pm

1 stop15h 55m

$786

SeattleHo Chi Minh City

SEA Seattle/Tacoma Intl - SGN Ho Chi Minh City

SEASGN

Seattle/Tacoma Intl

Sat 8/22

1:55 am-9:40 am

1 stop17h 45m

Ho Chi Minh City

Sun 9/20

10:50 am-7:15 pm

1 stop22h 25m

$786

SeattleHo Chi Minh City

SEA Seattle/Tacoma Intl - SGN Ho Chi Minh City

SEASGN

Seattle/Tacoma Intl

Thu 1/28

12:10 am-4:15 pm

1 stop25h 05m

Ho Chi Minh City

Sun 3/7

11:20 am-6:10 pm

1 stop21h 50m

$790

SeattleHo Chi Minh City

SEA Seattle/Tacoma Intl - SGN Ho Chi Minh City

SEASGN

Seattle/Tacoma Intl

Sun 1/10

12:10 am-10:00 am

1 stop18h 50m

Ho Chi Minh City

Mon 1/25

11:20 am-6:10 pm

1 stop21h 50m

$790

SeattleHo Chi Minh City

SEA Seattle/Tacoma Intl - SGN Ho Chi Minh City

SEASGN

Seattle/Tacoma Intl

Mon 10/12

1:15 am-10:15 am

1 stop19h 00m

Ho Chi Minh City

Wed 11/11

11:40 am-3:05 pm

1 stop18h 25m

$803

SeattleHo Chi Minh City

SEA Seattle/Tacoma Intl - SGN Ho Chi Minh City

SEASGN

Seattle/Tacoma Intl

Tue 11/3

11:45 pm-10:30 am

1 stop19h 45m

Ho Chi Minh City

Tue 12/8

11:40 am-3:05 pm

1 stop18h 25m

$804

SeattleHo Chi Minh City

SEA Seattle/Tacoma Intl - SGN Ho Chi Minh City

SEASGN

Seattle/Tacoma Intl

Thu 9/3

12:50 pm-10:10 pm

1 stop19h 20m

Ho Chi Minh City

Mon 9/14

11:45 pm-10:40 am

1 stop24h 55m

$804

SeattleHo Chi Minh City

SEA Seattle/Tacoma Intl - SGN Ho Chi Minh City

SEASGN

Seattle/Tacoma Intl

Fri 1/29

11:00 am-10:25 pm

1 stop20h 25m

Ho Chi Minh City

Wed 2/10

2:05 pm-9:00 am

1 stop33h 55m

$804

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seattle to Vietnam

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

Prices

Airlines

What is the cheapest month to fly to Vietnam?

The month of April is, on average, the cheapest month to fly to Vietnam from Seattle, with most prices found around $749. If you don’t want to visit Vietnam in April, then you should wait until September to fly from Seattle, when ticket prices are also cheap, with an average price of $755.

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

You are more likely to see cheaper flights to Vietnam from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Vietnam for around $883 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Vietnam from Seattle for as low as $745 on momondo.

Can stopping save me money on Seattle to Vietnam flights?

You could potentially save up to 10% on your flight if you consider stops on a Seattle to Vietnam flight.

Cheap Seattle to Vietnam flight deals and tips

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

Fastest flight time	18h 00m
Direct flights	None

The fastest flight from Seattle to Vietnam takes 18h 00m

There are no direct flights from Seattle to Vietnam. There are no popular flight routes from Seattle to Vietnam.

Search flight deals

Frequently asked questions about flying from Seattle to Vietnam

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Vietnam?
Prices for flights from Seattle/Tacoma Intl Airport to Vietnam are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Vietnam?
As of August 2026, there are 13 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Vietnam.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Vietnam?
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 Vietnam.
What documentation or ID do you need to fly to Vietnam?
The travel and health documents you'll need for your trip to Vietnam may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Vietnam. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Seattle to Vietnam

Compare and see reviews for airlines that fly from Seattle to Vietnam with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $400	Free Cancellation	Rating 7.8 8,491 reviews	Search Delta flights
Korean Air	PriceFrom $432	Free Cancellation	Rating 8.4 1,222 reviews	Search Korean Air flights
Singapore Airlines	PriceFrom $493	Free Cancellation	Rating 8.2 1,584 reviews	Search Singapore Airlines flights
Philippine Airlines	PriceFrom $544	Free Cancellation	Rating 7.3 1,013 reviews	Search Philippine Airlines flights
Asiana Airlines	PriceFrom $605	Free Cancellation	Rating 8.1 553 reviews	Search Asiana Airlines flights
Cathay Pacific	PriceFrom $606	Free Cancellation	Rating 7.6 1,439 reviews	Search Cathay Pacific flights
China Airlines	PriceFrom $614	Free Cancellation	Rating 8.3 838 reviews	Search China Airlines flights
ANA	PriceFrom $616	Free Cancellation	Rating 8.3 1,289 reviews	Search ANA flights
United Airlines	PriceFrom $651	Free Cancellation	Rating 7.4 10,072 reviews	Search United Airlines flights
Japan Airlines	PriceFrom $670	Free Cancellation	Rating 8.3 1,892 reviews	Search Japan Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Vietnam from Seattle.

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

Flights from Seattle to Vietnam with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Vietnam from Seattle.

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

Price alerts on flights to Vietnam from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.