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

On average, it takes 19h 15m 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 24h 05m.

What airlines fly to Vietnam?

China Airlines, Asiana Airlines and EVA Air are the top three most popular airlines that fly to Vietnam from State of Washington according to our data. China Airlines is the first choice among our users, with 28% of people opting to fly with this airline when traveling to Vietnam. Keep in mind that there are 12 different airlines that fly to Vietnam on a routine basis, so you have a few additional options to choose from.

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

Singapore Airlines, Philippine Airlines, and China Airlines are the most popular carriers operating 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 November 2025.

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.

$278 Cheap Flights from Washington to Vietnam in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

8:45 am - 3:40 pmSEA-DAD

39h 55m1 stop

11:50 am - 7:10 amDAD-SEA

34h 20m1 stop

$554Singapore Airlines

Find Deal

Sat, Jan 17 - Wed, Feb 4

9:45 am - 5:25 pmSEA-HAN

41h 40m1 stop

12:40 pm - 8:45 amHAN-SEA

34h 05m1 stop

$596Singapore Airlines

Find Deal

Sun, Mar 22 - Mon, Mar 30

9:30 pm - 11:15 amSEA-DAD

22h 45m1 stop

12:25 pm - 6:40 pmDAD-SEA

21h 15m1 stop

$633Philippine Airlines

Find Deal

Wed, Nov 26 - Wed, Dec 10

11:00 am - 9:45 pmSEA-HAN

19h 45m1 stop

12:20 pm - 9:00 amHAN-SEA

35h 40m1 stop

$642Korean Air

Find Deal

Sun, Jan 18 - Sun, Feb 1

12:50 pm - 9:35 pmSEA-HAN

18h 45m1 stop

11:10 pm - 10:40 amHAN-SEA

25h 30m1 stop

$644Korean Air

Find Deal

Mon, Mar 30 - Wed, Apr 15

12:10 am - 4:50 pmSEA-SGN

25h 40m1 stop

11:00 am - 6:10 pmSGN-SEA

22h 10m1 stop

$687China Airlines

Find Deal

Mon, Jan 12 - Sun, Jan 25

8:45 am - 3:00 pmSEA-SGN

39h 15m1 stop

7:50 pm - 1:55 pmSGN-SEA

33h 05m2 stops

$689Multiple Airlines

Find Deal

Tue, Feb 3 - Tue, Mar 3

9:30 pm - 1:30 pmSEA-DAD

25h 00m1 stop

2:30 pm - 7:40 pmDAD-SEA

19h 10m1 stop

$730Philippine Airlines

Find Deal

Sun, Feb 8 - Thu, Mar 26

8:45 am - 3:40 pmSEA-DAD

39h 55m1 stop

11:55 am - 9:57 amDAD-SEA

36h 02m2 stops

$755Multiple Airlines

Find Deal

Sun, Jan 11 - Tue, Mar 31

12:10 am - 4:25 pmSEA-DAD

25h 15m1 stop

9:50 am - 7:30 pmDAD-SEA

23h 40m1 stop

$762China Airlines

Find Deal

Sun, Jan 11 - Thu, Apr 2

Korean Air flights from State of Washington to Vietnam

Our best Korean Air deals on State of Washington to Vietnam flight tickets

Korean Air

Mar 30

SEA12:50 pmSeattle/Tacoma Intl

18h 45m

1 stop

HAN9:35 pmHanoi Noibai

Apr 15

HAN11:10 pmHanoi Noibai

25h 30m

1 stop

SEA10:40 amSeattle/Tacoma Intl

$644

Find similar

Korean Air

Mar 30

SEA6:55 pmSeattle/Tacoma Intl

25h 45m

2 stops

HAN10:40 amHanoi Noibai

Apr 14

HAN12:00 pmHanoi Noibai

36h 40m

1 stop

SEA10:40 amSeattle/Tacoma Intl

$649

Find similar

Korean Air

Mar 30

SEA12:50 pmSeattle/Tacoma Intl

18h 45m

1 stop

HAN9:35 pmHanoi Noibai

Apr 16

HAN12:00 pmHanoi Noibai

25h 35m

2 stops

SEA11:35 pmSeattle/Tacoma Intl

$655

Find similar

Delta flights from State of Washington to Vietnam

Our best Delta deals on State of Washington to Vietnam flight tickets

Delta

Mar 4

SEA11:30 amSeattle/Tacoma Intl

20h 50m

1 stop

SGN11:20 pmHo Chi Minh City

Mar 18

SGN8:00 amHo Chi Minh City

20h 20m

1 stop

SEA2:20 pmSeattle/Tacoma Intl

$690

Find similar

Delta

Mar 5

SEA11:30 amSeattle/Tacoma Intl

32h 40m

1 stop

HAN11:10 amHanoi Noibai

Mar 9

HAN11:05 pmHanoi Noibai

29h 15m

1 stop

SEA2:20 pmSeattle/Tacoma Intl

$728

Find similar

Delta

Jan 6

SEA7:15 amSeattle/Tacoma Intl

25h 05m

2 stops

SGN11:20 pmHo Chi Minh City

Jan 19

SGN11:50 pmHo Chi Minh City

24h 10m

1 stop

SEA9:00 amSeattle/Tacoma Intl

$745

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

Sat 1/17

8:45 am-3:40 pm

1 stop39h 55m

Da Nang

Wed 2/4

11:50 am-7:10 am

1 stop34h 20m

$554

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sun 3/22

9:45 am-5:25 pm

1 stop41h 40m

Hanoi Noibai

Mon 3/30

12:40 pm-8:45 am

1 stop34h 05m

$596

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

Wed 11/26

9:30 pm-11:15 am

1 stop22h 45m

Da Nang

Wed 12/10

12:25 pm-6:40 pm

1 stop21h 15m

$633

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sun 1/18

11:00 am-9:45 pm

1 stop19h 45m

Hanoi Noibai

Sun 2/1

12:20 pm-9:00 am

1 stop35h 40m

$642

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 3/30

12:50 pm-9:35 pm

1 stop18h 45m

Hanoi Noibai

Wed 4/15

11:10 pm-10:40 am

1 stop25h 30m

$644

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Mon 1/12

12:10 am-4:50 pm

1 stop25h 40m

Ho Chi Minh City

Sun 1/25

11:00 am-6:10 pm

1 stop22h 10m

$687

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Tue 2/3

8:45 am-3:00 pm

1 stop39h 15m

Ho Chi Minh City

Tue 3/3

7:50 pm-1:55 pm

2 stops33h 05m

$689

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

Sun 2/8

9:30 pm-1:30 pm

1 stop25h 00m

Da Nang

Thu 3/26

2:30 pm-7:40 pm

1 stop19h 10m

$730

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

Sun 1/11

8:45 am-3:40 pm

1 stop39h 55m

Da Nang

Tue 3/31

11:55 am-9:57 am

2 stops36h 02m

$755

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

Sun 1/11

12:10 am-4:25 pm

1 stop25h 15m

Da Nang

Thu 4/2

9:50 am-7:30 pm

1 stop23h 40m

$762

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 September is, on average, the cheapest month to fly to Vietnam from State of Washington, with most prices found around $754. If you don’t want to visit Vietnam in September, then you should wait until October to fly from State of Washington, when ticket prices are also cheap, with an average price of $760.

What is the cheapest day to depart on your flight to Vietnam?

According to our data, Monday is the cheapest day to fly to Vietnam from State of Washington. The lowest ticket price found for a Monday departure recently was $974. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Vietnam on Saturday is $1,111.

What is the cheapest time of day to depart on your flight to Vietnam?

Flying to Vietnam from State of Washington in the morning is the least expensive time of day to depart. momondo users have found prices as low as $985 when looking at flights departing in the morning. In the afternoon is when there is more demand to fly to Vietnam, so prices are often more expensive at around $1,204 per ticket.

How far in advance should I book a flight 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 $903 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 $757 on momondo.

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

You could potentially save up to 29% 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

Direct flights	None

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

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 November 2025.
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
Korean Air	PriceFrom $474	Free Cancellation	Rating 8.4 1,166 reviews	Search Korean Air flights
Singapore Airlines	PriceFrom $509	Free Cancellation	Rating 8.1 1,403 reviews	Search Singapore Airlines flights
Philippine Airlines	PriceFrom $544	Free Cancellation	Rating 7.3 937 reviews	Search Philippine Airlines flights
Asiana Airlines	PriceFrom $628	Free Cancellation	Rating 8.2 487 reviews	Search Asiana Airlines flights
China Airlines	PriceFrom $686	Free Cancellation	Rating 8.3 779 reviews	Search China Airlines flights
ANA	PriceFrom $688	Free Cancellation	Rating 8.4 1,006 reviews	Search ANA flights
United Airlines	PriceFrom $691	Free Cancellation	Rating 7.4 9,014 reviews	Search United Airlines flights
STARLUX Airlines	PriceFrom $726	Free Cancellation	Rating 8.9 230 reviews	Search STARLUX Airlines flights
Delta	PriceFrom $736	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
EVA Air	PriceFrom $761	Free Cancellation	Rating 8.4 1,276 reviews	Search EVA Air 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.