What is the cheapest airline that flies from Washington to Vietnam?

Qatar Airways, Singapore Airlines, and United Airlines are the most popular carriers operating from Washington to Vietnam

How long is the flight from State of Washington to Vietnam?

On average, it takes 19h 05m to fly from State of Washington to Vietnam if you fly out of Seattle (the most popular airport in State of Washington) and into Ho Chi Minh City (the most popular airport in Vietnam). If you’re flying out of Spokane and into Ho Chi Minh City, then the flight time is around 22h 25m.

What airlines fly to Vietnam?

Asiana Airlines, China Airlines and EVA Air are the top three most popular airlines that fly to Vietnam from State of Washington 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 Washington to Vietnam?

Prices for flights from Washington to Vietnam are updated daily.

How many operators does momondo search for flights from Washington to Vietnam?

There are 14 operators available for flights from Washington to Vietnam as of April 2026.

How old do you have to be to fly from Washington to Vietnam?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington 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.

$379 Cheap Flights from Washington to Vietnam in 2026

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Find the cheapest flights from Washington to Vietnam

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:15 am - 5:30 pm

SEA

DAD

41h 15m

1 stop

4:30 pm - 8:10 am

DAD

SEA

29h 40m

1 stop

$660Singapore Airlines

Thu, Oct 8 - Thu, Oct 29

10:15 am - 5:30 pm

SEA

DAD

41h 15m

1 stop

11:50 am - 8:10 am

DAD

SEA

34h 20m

1 stop

$708Singapore Airlines

Fri, Oct 9 - Mon, Oct 26

12:10 am - 11:00 am

SEA

SGN

20h 50m

1 stop

12:10 am - 3:15 pm

SGN

SEA

29h 05m

1 stop

$712Asiana Airlines

Mon, Sep 28 - Mon, Oct 19

12:10 am - 11:00 am

SEA

SGN

20h 50m

1 stop

12:05 pm - 3:15 pm

SGN

SEA

17h 10m

1 stop

$713Asiana Airlines

Fri, Aug 21 - Thu, Sep 24

7:20 am - 9:35 pm

SEA

HAN

24h 15m

2 stops

11:10 pm - 10:40 am

HAN

SEA

25h 30m

1 stop

$785Korean Air

Tue, Sep 1 - Mon, Sep 7

7:20 am - 9:35 pm

SEA

HAN

24h 15m

2 stops

11:10 pm - 3:24 pm

HAN

SEA

30h 14m

2 stops

$796Korean Air

Tue, Sep 1 - Mon, Sep 7

11:45 am - 7:15 am

PDX

HAN

29h 30m

2 stops

7:30 pm - 6:40 pm

HAN

PDX

37h 10m

2 stops

$950Qatar Airways

Mon, Sep 7 - Mon, Sep 28

9:30 am - 1:55 pm

PDX

HAN

38h 25m

2 stops

8:45 am - 7:50 pm

HAN

PDX

49h 05m

2 stops

$962Qatar Airways

Tue, Sep 1 - Tue, Sep 8

5:40 pm - 10:55 am

PDX

SGN

27h 15m

2 stops

7:50 pm - 10:50 am

SGN

PDX

30h 00m

2 stops

$978Multiple Airlines

Wed, Oct 21 - Wed, Nov 18

7:10 am - 7:15 am

PDX

HAN

34h 05m

2 stops

7:30 pm - 6:40 pm

HAN

PDX

37h 10m

2 stops

$982Multiple Airlines

Fri, Sep 4 - Fri, Sep 18

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Alaska Airlines flights from State of Washington to Vietnam

Our best Alaska Airlines deals on State of Washington to Vietnam flight tickets

Alaska Airlines

Sep 30

SEA1:15 pmSeattle/Tacoma Intl

18h 45m

1 stop

SGN10:00 pmHo Chi Minh City

Oct 28

SGN7:50 amHo Chi Minh City

17h 00m

1 stop

SEA10:50 amSeattle/Tacoma Intl

$827

Alaska Airlines

Oct 15

SEA1:15 pmSeattle/Tacoma Intl

18h 45m

1 stop

SGN10:00 pmHo Chi Minh City

Nov 19

SGN7:50 amHo Chi Minh City

27h 15m

2 stops

SEA8:05 pmSeattle/Tacoma Intl

$837

Alaska Airlines

Sep 8

SEA9:21 pmSeattle/Tacoma Intl

34h 24m

2 stops

SGN9:45 pmHo Chi Minh City

Sep 29

SGN8:00 amHo Chi Minh City

16h 35m

1 stop

SEA10:35 amSeattle/Tacoma Intl

$844

China Eastern flights from State of Washington to Vietnam

Our best China Eastern deals on State of Washington to Vietnam flight tickets

China Eastern

May 4

GEG6:20 amSpokane

29h 15m

2 stops

SGN1:35 amHo Chi Minh City

Jun 7

SGN2:35 amHo Chi Minh City

27h 13m

2 stops

GEG3:48 pmSpokane

$835

China Eastern

May 4

GEG6:20 amSpokane

29h 15m

2 stops

SGN1:35 amHo Chi Minh City

Jun 7

SGN2:35 amHo Chi Minh City

27h 13m

2 stops

GEG3:48 pmSpokane

$904

China Eastern

Sep 11

GEG6:30 amSpokane

29h 05m

2 stops

SGN1:35 amHo Chi Minh City

Sep 18

SGN2:35 amHo Chi Minh City

32h 56m

2 stops

GEG9:31 pmSpokane

$980

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

Thu 10/8

10:15 am-5:30 pm

1 stop41h 15m

Da Nang

Thu 10/29

4:30 pm-8:10 am

1 stop29h 40m

$660

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

Fri 10/9

10:15 am-5:30 pm

1 stop41h 15m

Da Nang

Mon 10/26

11:50 am-8:10 am

1 stop34h 20m

$708

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Mon 9/28

12:10 am-11:00 am

1 stop20h 50m

Ho Chi Minh City

Mon 10/19

12:10 am-3:15 pm

1 stop29h 05m

$712

Quickest round-trip

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Fri 8/21

12:10 am-11:00 am

1 stop20h 50m

Ho Chi Minh City

Thu 9/24

12:05 pm-3:15 pm

1 stop17h 10m

$713

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Tue 9/1

7:20 am-9:35 pm

2 stops24h 15m

Hanoi Noibai

Mon 9/7

11:10 pm-10:40 am

1 stop25h 30m

$785

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Tue 9/1

7:20 am-9:35 pm

2 stops24h 15m

Hanoi Noibai

Mon 9/7

11:10 pm-3:24 pm

2 stops30h 14m

$796

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Mon 9/7

11:45 am-7:15 am

2 stops29h 30m

Hanoi Noibai

Mon 9/28

7:30 pm-6:40 pm

2 stops37h 10m

$950

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Tue 9/1

9:30 am-1:55 pm

2 stops38h 25m

Hanoi Noibai

Tue 9/8

8:45 am-7:50 pm

2 stops49h 05m

$962

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Wed 10/21

5:40 pm-10:55 am

2 stops27h 15m

Ho Chi Minh City

Wed 11/18

7:50 pm-10:50 am

2 stops30h 00m

$978

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Fri 9/4

7:10 am-7:15 am

2 stops34h 05m

Hanoi Noibai

Fri 9/18

7:30 pm-6:40 pm

2 stops37h 10m

$982

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 State of Washington 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

Other information

What is the cheapest month to fly to Vietnam?

The month of May is, on average, the cheapest month to fly to Vietnam from State of Washington, with most prices found around $432. If you don’t want to visit Vietnam in May, then you should wait until April to fly from State of Washington, when ticket prices are also cheap, with an average price of $474.

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

You are more likely to see cheaper flights to Vietnam from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Vietnam for around $867 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Vietnam from State of Washington for as low as $698 on momondo.

Can stopping save me money on State of Washington to Vietnam flights?

You could potentially save up to 27% on your flight if you consider stops on a State of Washington to Vietnam flight.

Cheap State of Washington to Vietnam flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Vietnam

Fastest flight time	17h 45m
Direct flights	None

The fastest flight from State of Washington to Vietnam takes 17h 45m

There are no direct flights from State of Washington to Vietnam. There are no popular flight routes from State of Washington to Vietnam.

Search flight deals

Frequently asked questions about flying from Washington to Vietnam

When did momondo last update prices for flights from Washington to Vietnam?
Prices for flights from Washington to Vietnam are updated daily.
How many operators does momondo search for flights from Washington to Vietnam?
There are 14 operators available for flights from Washington to Vietnam as of April 2026.
How old do you have to be to fly from Washington to Vietnam?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington 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 State of Washington to Vietnam

Compare and see reviews for airlines that fly from State of Washington to Vietnam with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $400	Free Cancellation	Rating 7.9 8,465 reviews	Search Delta flights
Korean Air	PriceFrom $432	Free Cancellation	Rating 8.4 1,216 reviews	Search Korean Air flights
Singapore Airlines	PriceFrom $493	Free Cancellation	Rating 8.2 1,505 reviews	Search Singapore Airlines flights
Philippine Airlines	PriceFrom $544	Free Cancellation	Rating 7.3 994 reviews	Search Philippine Airlines flights
STARLUX Airlines	PriceFrom $567	Free Cancellation	Rating 8.9 304 reviews	Search STARLUX Airlines flights
Cathay Pacific	PriceFrom $606	Free Cancellation	Rating 7.6 1,310 reviews	Search Cathay Pacific flights
Asiana Airlines	PriceFrom $612	Free Cancellation	Rating 8.1 524 reviews	Search Asiana Airlines flights
China Airlines	PriceFrom $614	Free Cancellation	Rating 8.3 819 reviews	Search China Airlines flights
ANA	PriceFrom $616	Free Cancellation	Rating 8.4 1,200 reviews	Search ANA flights
United Airlines	PriceFrom $666	Free Cancellation	Rating 7.4 9,677 reviews	Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Washington to Vietnam 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 Vietnam that suits you.

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

momondo does allow users to show only those flights to Vietnam from Washington which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Vietnam from Washington. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Vietnam, momondo offers a useful price alert feature which will track prices for flights to Vietnam from Washington and alert you when they change.