HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Vietnam

$333+ Cheap flights from Washington to Vietnam

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SGN
may. 5 — may. 121
lun. 5/5
lun. 5/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to Vietnam with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Washington to Vietnam

Keep the following information in mind while searching for Washington to Vietnam flight deals. Data was last updated abril 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$729
(United Airlines)

One-way from

$333
(FlightHub)

Popular in

June

Cheapest in

March

Average price

$783
Provider with most accurate pricing for Seattle/Tacoma Intl-Ho Chi Minh City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Ho Chi Minh City flights.
Search Deals
From Washington to Vietnam
Search Deals
One-way flight from Washington to Vietnam
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($257 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Washington to Vietnam

Cheapest flights from Washington to Vietnam
Explore the most affordable flight options available from Washington to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 30, 2025.

This oojo deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/317:00 amSEA - HAN
2 stops24h 50mJapan Airlines
mié. 9/1711:20 pmHAN - SEA
2 stops29h 36mJapan Airlines
Deal found 4/28$721
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/87:00 amSEA - HAN
2 stops25h 15mUnited Airlines
jue. 5/2211:35 pmHAN - SEA
1 stop28h 50mUnited Airlines
Deal found 4/28$729
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/57:00 amSEA - SGN
3 stops51h 15mUnited Airlines
lun. 5/2611:15 pmSGN - SEA
1 stop29h 10mUnited Airlines
Deal found 4/29$731
This oojo deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/291:10 amSEA - SGN
1 stop25h 10mChina Airlines
dom. 5/255:30 pmSGN - SEA
1 stop16h 00mChina Airlines
Deal found 4/29$732
This FlightHub deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/87:00 amSEA - HAN
2 stops25h 15mANA
jue. 5/2211:35 pmHAN - SEA
2 stops35h 36mANA
Deal found 4/28$734
This Asiana Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/172:30 pmSEA - SGN
1 stop30h 35mAsiana Airlines
sáb. 8/3012:05 amSGN - SEA
1 stop26h 40mAsiana Airlines
Deal found 4/29$742
This Booking.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/158:42 amSEA - SGN
2 stops47h 13mANA
mar. 10/2111:15 pmSGN - SEA
2 stops33h 21mANA
Deal found 4/29$746
This FlightHub deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/2610:15 amSEA - HAN
1 stop41h 20mSingapore Airlines
sáb. 10/1112:40 pmHAN - SEA
1 stop34h 05mSingapore Airlines
Deal found 4/28$750
This ANA deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/67:00 amSEA - SGN
2 stops27h 15mMultiple Airlines
mar. 9/27:00 amSGN - SEA
2 stops29h 15mMultiple Airlines
Deal found 4/29$759
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/912:40 pmSEA - SGN
1 stop19h 25mDelta
dom. 5/251:55 pmSGN - SEA
1 stop37h 40mDelta
Deal found 4/29$760
This oojo deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/311:40 amSEA - DAD
1 stop24h 55mChina Airlines
mar. 9/305:35 pmDAD - SEA
1 stop15h 45mChina Airlines
Deal found 4/28$763
This Korean Air deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/1312:50 pmSEA - SGN
1 stop20h 25mKorean Air
dom. 6/17:35 amSGN - SEA
1 stop17h 15mKorean Air
Deal found 4/29$764

Cheapflights Fare Finder

Customize your flight search to find flights from 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, Cheapflights users made 2,558,603 searches. Data last updated abril 30, 2025.
Use the filters below to find and compare flights from Washington to Vietnam that are best for you.

Fly from

Washington

Fly to

Vietnam

Route

Depart

Return

Price

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

jue. 5/8

7:00 am-10:15 pm

2 stops25h 15m

Hanoi Noibai

jue. 5/22

11:35 pm-2:25 pm

1 stop28h 50m

$729

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

jue. 8/28

1:40 am-9:40 am

1 stop18h 00m

Ho Chi Minh City

mar. 9/23

11:20 am-7:20 pm

1 stop22h 00m

$731

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

vie. 9/5

6:45 am-9:55 pm

2 stops49h 10m

Ho Chi Minh City

sáb. 9/13

11:15 pm-8:54 pm

3 stops59h 39m

$732

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

jue. 5/8

7:00 am-10:15 pm

2 stops25h 15m

Hanoi Noibai

jue. 5/22

11:35 pm-9:11 pm

2 stops35h 36m

$734

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

sáb. 9/6

1:40 am-9:40 am

1 stop18h 00m

Ho Chi Minh City

sáb. 9/27

2:05 am-7:20 pm

1 stop31h 15m

$736

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

dom. 8/17

2:30 pm-11:05 am

1 stop30h 35m

Ho Chi Minh City

sáb. 8/30

12:05 am-12:45 pm

1 stop26h 40m

$742

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

mié. 10/15

8:42 am-9:55 pm

2 stops47h 13m

Ho Chi Minh City

mar. 10/21

11:15 pm-6:36 pm

2 stops33h 21m

$746

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

vie. 5/9

12:40 pm-10:05 pm

1 stop19h 25m

Ho Chi Minh City

dom. 5/25

1:55 pm-1:35 pm

1 stop37h 40m

$760

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

mar. 5/13

12:50 pm-11:15 pm

1 stop20h 25m

Ho Chi Minh City

dom. 6/1

7:35 am-10:50 am

1 stop17h 15m

$764

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

mar. 10/21

1:30 am-9:55 am

1 stop18h 25m

Ho Chi Minh City

mar. 11/11

1:55 am-6:10 pm

1 stop31h 15m

$770

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Washington to Vietnam

Have a flexible travel schedule? Discover the best time to fly to Vietnam from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Vietnam

What is the cheapest month to book a flight from State of Washington to Vietnam?

Currently, March is the cheapest month in which you can book a flight from State of Washington to Vietnam (average of $921). Flying from State of Washington to Vietnam in June is currently the most expensive (average of $1,538). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WA to VN?

Find hourly flight availability from Washington to Vietnam. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 30, 2025.

When flying from State of Washington to Vietnam, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Vietnam by month

Plan your trip to Vietnam by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Vietnam ranges from 0.0 - 13.4 inches per month. September is typically the wettest month, when rainfall can reach 13.4 in. February is typically the driest time to visit Vietnam when rainfall is around 0.0 in.

Temperature in Vietnam by month

Plan your trip to Vietnam by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Vietnam, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

Reviews of airlines servicing Vietnam

Get insights into the airlines that provide service to Vietnam. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Vietnam. Reviews last updated abril 30, 2025.
Read through reviews of airlines operating flights from Washington to Vietnam, such as STARLUX Airlines, EVA Air and Korean Air. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Comfort

9.0

Food

8.9

Entertainment

9.0

Crew

9.3

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
161 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Comfort

9.0

Food

8.9

Entertainment

9.0

Crew

9.3

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
EVA Air
8.4
Very good
1,186 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Comfort

9.0

Food

8.9

Entertainment

9.0

Crew

9.3

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very good
1,066 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Comfort

9.0

Food

8.9

Entertainment

9.0

Crew

9.3

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very good
1,459 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Comfort

9.0

Food

8.9

Entertainment

9.0

Crew

9.3

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very good
732 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Comfort

9.0

Food

8.9

Entertainment

9.0

Crew

9.3

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

Related info for your journey

Find useful and relevant information for your journey from Washington to Vietnam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from State of Washington to Vietnam one-way?

    $333 is the cheapest one-way deal found within the past few days, from Singapore Airlines. You may also be able to find cheap deals on ANA and Japan Airlines, with prices starting from $365 and $383, respectively.

  • Can I find deals for flights from Washington to Vietnam that include hotel bookings?

    Yes. In addition to deals on Washington to Vietnam flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Vietnam?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Vietnam.

  • Can I find deals for business class flights from Washington to Vietnam?

    Yes. Cheapflights offers flight deals from Washington to Vietnam by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Vietnam?

    Currently, March is the cheapest month in which you can book a flight from State of Washington to Vietnam (average of $921). Flying from State of Washington to Vietnam in June is currently the most expensive (average of $1,538). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Vietnam

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Haneda flights
Los Angeles to Narita flights
John F Kennedy Intl to Haneda flights
Newark to Haneda flights
Newark to Narita flights
San Francisco to Haneda flights
San Francisco to Narita flights
Seattle to Narita flights
Los Angeles to Manila flights
John F Kennedy Intl to Narita flights
Dallas/Fort Worth to Narita flights
Dallas/Fort Worth to Haneda flights
Seattle to Haneda flights
LaGuardia to Haneda flights
LaGuardia to Narita flights
John F Kennedy Intl to Suvarnabhumi flights
San Francisco to Manila flights
Dulles Intl to Haneda flights
Los Angeles to Incheon Intl flights
O'Hare Intl to Narita flights
Los Angeles to Suvarnabhumi flights
Hobby to Haneda flights
John F Kennedy Intl to Incheon Intl flights
Ontario to Narita flights
Hobby to Narita flights
O'Hare Intl to Haneda flights
Newark to New Delhi flights
Boston to Narita flights
John F Kennedy Intl to Hong Kong flights
Seattle to Suvarnabhumi flights
Atlanta to Haneda flights
John F Kennedy Intl to Taiwan Taoyuan Intl flights
Seattle to Incheon Intl flights
San Francisco to Hong Kong flights
Newark to Suvarnabhumi flights
Dulles Intl to Narita flights
George Bush Intcntl to Haneda flights
Ontario to Haneda flights
San Francisco to New Delhi flights
John F Kennedy Intl to New Delhi flights
Denver to Narita flights
John F Kennedy Intl to Hongqiao Intl flights
Burbank to Narita flights
San Francisco to Suvarnabhumi flights
LaGuardia to Suvarnabhumi flights
Dallas/Fort Worth to Suvarnabhumi flights
Los Angeles to Ho Chi Minh City flights
San Diego to Narita flights
San Francisco to Incheon Intl flights
John F Kennedy Intl to Manila flights

Top 10 airlines flying from Washington to Vietnam

Discover the top 10 airlines that operate flights from Washington to Vietnam. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated abril 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$628Average$1,034FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$639Average$808FlexibilityNo cancel feeOn-time76%
Philippine AirlinesCheapest$688Average$771FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$691Average$1,178FlexibilityNo cancel feeOn-time69%
ANACheapest$705Average$879FlexibilityNo cancel feeOn-time80%
China AirlinesCheapest$719Average$854FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$727Average$1,094FlexibilityNo cancel feeOn-time81%
DeltaCheapest$736Average$979FlexibilityNo cancel feeOn-timeN/A
Japan AirlinesCheapest$765Average$1,022FlexibilityNo cancel feeOn-time79%
STARLUX AirlinesCheapest$778Average$927FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.