Cheap flights from Washington to Vietnam from $281

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Vietnam departing on 1/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Singapore Airlines Logo
8:45 am - 11:00 amSEA-SGN
35h 15m1 stop
Singapore Airlines Logo
12:15 pm - 7:10 amSGN-SEA
33h 55m1 stop
$507Singapore Airlines
Find Deal
Sat, Jan 24 - Mon, Feb 9
Singapore Airlines Logo
8:45 am - 6:40 pmSEA-SGN
42h 55m1 stop
Singapore Airlines Logo
7:50 pm - 7:10 amSGN-SEA
26h 20m1 stop
$508Singapore Airlines
Find Deal
Sat, Jan 24 - Sat, Jan 31
Asiana Airlines Logo
12:10 am - 11:00 amSEA-SGN
19h 50m1 stop
Asiana Airlines Logo
12:10 pm - 2:55 pmSGN-SEA
16h 45m1 stop
$646Asiana Airlines
Find Deal
Mon, Feb 9 - Tue, Mar 10
Asiana Airlines Logo
12:10 am - 11:00 amSEA-SGN
20h 50m1 stop
Asiana Airlines Logo
12:10 pm - 1:55 pmSGN-SEA
16h 45m1 stop
$647Asiana Airlines
Find Deal
Mon, Oct 27 - Tue, Nov 11
Philippine Airlines Logo
11:35 pm - 2:30 pmSEA-SGN
24h 55m1 stop
Philippine Airlines Logo
9:40 am - 6:35 pmSGN-SEA
23h 55m1 stop
$648Philippine Airlines
Find Deal
Wed, Oct 1 - Thu, Nov 27
Philippine Airlines Logo
9:30 pm - 1:50 amSEA-HAN
37h 20m1 stop
Philippine Airlines Logo
2:50 am - 6:35 pmHAN-SEA
30h 45m1 stop
$651Philippine Airlines
Find Deal
Tue, Jan 6 - Wed, Jan 21
 Logo
4:49 pm - 11:30 amSEA-HAN
27h 41m2 stops
 Logo
6:25 pm - 7:10 amHAN-SEA
27h 45m1 stop
Tue, Jan 6 - Thu, Jan 22
 Logo
4:49 pm - 11:30 amSEA-HAN
27h 41m2 stops
 Logo
6:25 pm - 7:10 amHAN-SEA
27h 45m1 stop
Tue, Jan 6 - Thu, Jan 22
ANA Logo
7:00 am - 12:15 amSEA-SGN
27h 15m2 stops
ANA Logo
11:15 pm - 2:25 pmSGN-SEA
29h 10m1 stop
$684ANA
Find Deal
Wed, Sep 10 - Wed, Sep 17
ANA Logo
4:30 pm - 9:55 pmSEA-SGN
39h 25m1 stop
ANA Logo
11:15 pm - 6:36 pmSGN-SEA
33h 21m2 stops
$692ANA
Find Deal
Thu, Sep 18 - Wed, Oct 8

Singapore Airlines flights from State of Washington to Vietnam

Our best Singapore Airlines deals on State of Washington to Vietnam flight tickets
Singapore Airlines
Jan 24
SEA8:45 amSeattle/Tacoma Intl
35h 15m
1 stop
SGN11:00 amHo Chi Minh City
Feb 9
SGN12:15 pmHo Chi Minh City
33h 55m
1 stop
SEA7:10 amSeattle/Tacoma Intl
Singapore Airlines
Jan 24
SEA8:45 amSeattle/Tacoma Intl
42h 55m
1 stop
SGN6:40 pmHo Chi Minh City
Jan 31
SGN7:50 pmHo Chi Minh City
26h 20m
1 stop
SEA7:10 amSeattle/Tacoma Intl
Singapore Airlines
Jan 18
SEA8:45 amSeattle/Tacoma Intl
39h 15m
1 stop
SGN3:00 pmHo Chi Minh City
Feb 4
SGN12:15 pmHo Chi Minh City
33h 55m
1 stop
SEA7:10 amSeattle/Tacoma Intl

Philippine Airlines flights from State of Washington to Vietnam

Our best Philippine Airlines deals on State of Washington to Vietnam flight tickets
Philippine Airlines
Oct 1
SEA11:35 pmSeattle/Tacoma Intl
24h 55m
1 stop
SGN2:30 pmHo Chi Minh City
Nov 27
SGN9:40 amHo Chi Minh City
23h 55m
1 stop
SEA6:35 pmSeattle/Tacoma Intl
Philippine Airlines
Jan 6
SEA9:30 pmSeattle/Tacoma Intl
37h 20m
1 stop
HAN1:50 amHanoi Noibai
Jan 21
HAN2:50 amHanoi Noibai
30h 45m
1 stop
SEA6:35 pmSeattle/Tacoma Intl
Philippine Airlines
Jan 7
SEA9:30 pmSeattle/Tacoma Intl
26h 10m
1 stop
SGN2:40 pmHo Chi Minh City
Jan 22
SGN9:40 amHo Chi Minh City
23h 55m
1 stop
SEA6:35 pmSeattle/Tacoma Intl

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Vietnam 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 14, 2025.
Use the filters below to find and compare flights from Washington to Vietnam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sat 1/24

8:45 am-11:00 am

1 stop35h 15m

Ho Chi Minh City

Mon 2/9

12:15 pm-7:10 am

1 stop33h 55m

$507

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sat 1/24

8:45 am-6:40 pm

1 stop42h 55m

Ho Chi Minh City

Sat 1/31

7:50 pm-7:10 am

1 stop26h 20m

$508

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Mon 2/9

12:10 am-11:00 am

1 stop19h 50m

Ho Chi Minh City

Tue 3/10

12:10 pm-2:55 pm

1 stop16h 45m

$646

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Mon 10/27

12:10 am-11:00 am

1 stop20h 50m

Ho Chi Minh City

Tue 11/11

12:10 pm-1:55 pm

1 stop16h 45m

$647

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Wed 10/1

11:35 pm-2:30 pm

1 stop24h 55m

Ho Chi Minh City

Thu 11/27

9:40 am-6:35 pm

1 stop23h 55m

$648

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Tue 1/6

9:30 pm-1:50 am

1 stop37h 20m

Hanoi Noibai

Wed 1/21

2:50 am-6:35 pm

1 stop30h 45m

$651

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Tue 1/6

4:49 pm-11:30 am

2 stops27h 41m

Hanoi Noibai

Thu 1/22

6:25 pm-7:10 am

1 stop27h 45m

$678

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Tue 1/6

4:49 pm-11:30 am

2 stops27h 41m

Hanoi Noibai

Thu 1/22

6:25 pm-7:10 am

1 stop27h 45m

$679

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Wed 9/10

7:00 am-12:15 am

2 stops27h 15m

Ho Chi Minh City

Wed 9/17

11:15 pm-2:25 pm

1 stop29h 10m

$684

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Thu 9/18

4:30 pm-9:55 pm

1 stop39h 25m

Ho Chi Minh City

Wed 10/8

11:15 pm-6:36 pm

2 stops33h 21m

$692

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Vietnam from

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

What is the cheapest month to fly to Vietnam?

The month of April is, on average, the cheapest month to fly to Vietnam from State of Washington, with most prices found around $769. If you don’t want to visit Vietnam in April, then you should wait until March to fly from State of Washington, when ticket prices are also cheap, with an average price of $770.

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 $935 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 $807 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

Best Price Found

$281

Fastest flight time

17h 05m

Direct flights

None

Airports in Vietnam

4 airports
The best one-way flight to Vietnam from State of Washington in the past 72 hours is $281. The best round-trip flight deal from State of Washington to Vietnam found on momondo in the last 72 hours is $507.
The fastest flight from State of Washington to Vietnam takes 17h 05m
There are no direct flights from State of Washington to Vietnam. Popular non-direct routes for this connection are Seattle/Tacoma Intl Airport - Ho Chi Minh City Airport, Seattle/Tacoma Intl Airport - Da Nang Airport and Seattle/Tacoma Intl Airport - Hanoi Noibai Airport.
There are 4 airports near Vietnam: Phu Quoc Duong Dang (PQC), Hanoi Noibai (HAN), Da Nang (DAD), Ho Chi Minh City (SGN)
  • 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?

  • 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
Singapore AirlinesPriceFrom $576Free CancellationRating
8.1
1,346 reviews
Search Singapore Airlines flights
Asiana AirlinesPriceFrom $639Free CancellationRating
8.2
473 reviews
Search Asiana Airlines flights
Philippine AirlinesPriceFrom $682Free CancellationRating
7.2
895 reviews
Search Philippine Airlines flights
ANAPriceFrom $688Free CancellationRating
8.4
933 reviews
Search ANA flights
United AirlinesPriceFrom $691Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
China AirlinesPriceFrom $697Free CancellationRating
8.3
762 reviews
Search China Airlines flights
Korean AirPriceFrom $709Free CancellationRating
8.4
1,131 reviews
Search Korean Air flights
Japan AirlinesPriceFrom $717Free CancellationRating
8.3
1,545 reviews
Search Japan Airlines flights
DeltaPriceFrom $736Free CancellationRating
8.0
7,980 reviews
Search Delta flights
STARLUX AirlinesPriceFrom $761Free CancellationRating
9.0
204 reviews
Search STARLUX 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.

An easier way to manage your Vietnam trip

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Tue 8/19
Tue 8/26

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