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$391+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SGN
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$729
(oojo)

One-way from

$391
(Justfly.com)

Popular in

June

Cheapest in

March

Average price

$783
Provider with most accurate pricing for Seattle/Tacoma Intl-Ho Chi Minh City flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Ho Chi Minh City flights.
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From Washington to Vietnam
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One-way flight from Washington to Vietnam
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Highest demand for flights based on searches. 21% potential increase in price ($267 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 17, 2025.

This oojo deal was found by Cheapflights users on 4/16. 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.
Wed 10/222:15 pmSEA - SGN
1 stop18h 30mAsiana Airlines
Tue 11/1112:10 amSGN - SEA
1 stop27h 25mAsiana Airlines
Deal found 4/16$681
This FlightHub deal was found by Cheapflights users on 4/17. 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.
Sun 10/510:15 amSEA - HAN
1 stop41h 20mSingapore Airlines
Sat 10/1812:40 pmHAN - SEA
1 stop34h 05mSingapore Airlines
Deal found 4/17$686
This oojo deal was found by Cheapflights users on 4/16. 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.
Sun 8/311:40 amSEA - DAD
1 stop24h 55mChina Airlines
Tue 9/305:35 pmDAD - SEA
1 stop15h 45mChina Airlines
Deal found 4/16$695
This oojo deal was found by Cheapflights users on 4/17. 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.
Wed 9/32:15 pmSEA - HAN
1 stop17h 45mAsiana Airlines
Fri 9/1911:30 pmHAN - SEA
1 stop27h 00mAsiana Airlines
Deal found 4/17$723
This oojo deal was found by Cheapflights users on 4/17. 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.
Wed 9/31:30 pmSEA - HAN
2 stops38h 45mJapan Airlines
Fri 9/197:20 pmHAN - SEA
2 stops29h 05mJapan Airlines
Deal found 4/17$725
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Fri 9/54:30 pmSEA - SGN
1 stop39h 25mUnited Airlines
Thu 9/1811:15 pmSGN - SEA
3 stops35h 39mUnited Airlines
Deal found 4/16$728
This oojo deal was found by Cheapflights users on 4/17. 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.
Sun 5/41:10 amSEA - SGN
1 stop25h 10mChina Airlines
Mon 5/195:30 pmSGN - SEA
1 stop16h 00mChina Airlines
Deal found 4/17$729
This KAYAK deal was found by Cheapflights users on 4/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/64:30 pmSEA - DAD
1 stop30h 10mMultiple Airlines
Thu 5/1511:50 pmDAD - SEA
1 stop28h 35mMultiple Airlines
Deal found 4/17$729
This StudentUniverse deal was found by Cheapflights users on 4/15. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2412:50 pmSEA - SGN
1 stop20h 25mKorean Air
Sat 5/2411:45 pmSGN - SEA
1 stop24h 55mKorean Air
Deal found 4/15$731
This KAYAK deal was found by Cheapflights users on 4/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/121:45 pmSEA - SGN
2 stops42h 10mANA
Sat 11/111:05 pmSGN - SEA
2 stops34h 20mANA
Deal found 4/17$732
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Fri 9/54:30 pmSEA - HAN
1 stop39h 45mUnited Airlines
Sat 9/2011:35 pmHAN - SEA
1 stop28h 50mUnited Airlines
Deal found 4/17$733
This oojo deal was found by Cheapflights users on 4/17. 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.
Thu 9/251:10 amSEA - HAN
1 stop25h 40mChina Airlines
Sat 10/115:50 pmHAN - SEA
1 stop15h 30mChina Airlines
Deal found 4/17$759

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 April 17, 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

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Fri 9/5

4:30 pm-9:55 pm

1 stop39h 25m

Ho Chi Minh City

Thu 9/18

11:15 pm-8:54 pm

3 stops35h 39m

$728

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sun 5/4

1:10 am-4:20 pm

1 stop25h 10m

Ho Chi Minh City

Mon 5/12

5:30 pm-7:30 pm

1 stop16h 00m

$729

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

Tue 5/6

4:30 pm-12:40 pm

1 stop30h 10m

Da Nang

Thu 5/15

11:50 pm-2:25 pm

1 stop28h 35m

$729

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Mon 5/5

6:15 am-12:15 am

2 stops28h 00m

Ho Chi Minh City

Mon 5/12

11:15 pm-2:25 pm

1 stop29h 10m

$730

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sun 10/12

1:45 pm-9:55 pm

2 stops42h 10m

Ho Chi Minh City

Sat 11/1

11:05 pm-7:25 pm

2 stops34h 20m

$732

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Wed 8/20

2:30 pm-11:05 am

1 stop30h 35m

Ho Chi Minh City

Thu 9/18

12:05 am-12:30 pm

1 stop26h 25m

$735

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sat 10/11

10:15 am-2:35 pm

1 stop38h 20m

Ho Chi Minh City

Sat 10/18

12:20 pm-8:45 am

1 stop34h 25m

$738

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Tue 5/6

6:10 am-11:15 pm

2 stops27h 05m

Ho Chi Minh City

Tue 5/20

11:45 pm-4:08 pm

2 stops30h 23m

$753

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Sun 9/7

1:30 am-10:00 pm

1 stop30h 30m

Ho Chi Minh City

Sun 9/28

1:50 am-7:30 pm

1 stop31h 40m

$772

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

Sun 4/27

2:15 pm-9:35 pm

1 stop17h 20m

Da Nang

Sat 5/10

11:00 pm-12:30 pm

1 stop27h 30m

$788

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 60 results
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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 $922). Flying from State of Washington to Vietnam in June is currently the most expensive (average of $1,566). 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 April 17, 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 April 17, 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
154 reviews

Entertainment

9.0

Boarding

9.0

Comfort

9.0

Overall

9.1

Crew

9.3

Food

8.9

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
STARLUX Airlines
9.1
Wonderful
154 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Entertainment

9.0

Boarding

9.0

Comfort

9.0

Overall

9.1

Crew

9.3

Food

8.9

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
EVA Air
8.4
Very good
1,177 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Entertainment

9.0

Boarding

9.0

Comfort

9.0

Overall

9.1

Crew

9.3

Food

8.9

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Korean Air
8.4
Very good
1,064 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Entertainment

9.0

Boarding

9.0

Comfort

9.0

Overall

9.1

Crew

9.3

Food

8.9

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Japan Airlines
8.3
Very good
1,440 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Entertainment

9.0

Boarding

9.0

Comfort

9.0

Overall

9.1

Crew

9.3

Food

8.9

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
ANA
8.3
Very good
844 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Entertainment

9.0

Boarding

9.0

Comfort

9.0

Overall

9.1

Crew

9.3

Food

8.9

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

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?

    $391 is the cheapest one-way deal found within the past few days, from ANA. You may also be able to find cheap deals on United Airlines and China Airlines, with prices starting from $394 and $395, 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 $922). Flying from State of Washington to Vietnam in June is currently the most expensive (average of $1,566). 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

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Alternative routes for Washington to Vietnam

See prices for flight routes from nearby airports that may be better suited for you.
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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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$628Average$1,037FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$639Average$817FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$691Average$1,178FlexibilityNo cancel feeOn-time69%
Philippine AirlinesCheapest$692Average$787FlexibilityNo cancel feeOn-time60%
Korean AirCheapest$727Average$1,099FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$727Average$854FlexibilityNo cancel feeOn-time70%
DeltaCheapest$736Average$1,011FlexibilityNo cancel feeOn-timeN/A
ANACheapest$745Average$886FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$765Average$1,026FlexibilityNo cancel feeOn-time79%
STARLUX AirlinesCheapest$774Average$929FlexibilityNo cancel feeOn-timeN/A

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