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$281+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SGN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$734
(oojo)

One-way from

$281
(FlightHub)

Popular in

June

Cheapest in

April

Average price

$1,393
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. 17% potential increase in price ($208 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/11. 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.
Wed 10/111:35 pmSEA - HAN
1 stop35h 10mPhilippine Airlines
Tue 10/72:30 amHAN - SEA
1 stop30h 45mPhilippine Airlines
Deal found 6/11$671
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Fri 9/2610:15 amSEA - HAN
1 stop35h 15mSingapore Airlines
Sat 10/116:30 pmHAN - SEA
1 stop28h 15mSingapore Airlines
Deal found 6/11$711
This oojo deal was found by Cheapflights users on 6/12. 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 6/12$734
This oojo deal was found by Cheapflights users on 6/12. 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.
Mon 9/12:15 pmSEA - HAN
1 stop17h 45mAsiana Airlines
Wed 4/111:30 pmHAN - SEA
1 stop29h 25mAsiana Airlines
Deal found 6/12$737
This oojo deal was found by Cheapflights users on 6/11. 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.
Tue 9/301:10 amSEA - HAN
1 stop25h 40mChina Airlines
Tue 10/711:35 amHAN - SEA
1 stop21h 45mChina Airlines
Deal found 6/11$740
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Mon 10/276:30 pmSEA - DAD
2 stops31h 10mSingapore Airlines
Mon 1/2611:50 amDAD - SEA
1 stop34h 20mSingapore Airlines
Deal found 6/10$755
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Tue 11/1112:10 amSEA - DAD
1 stop30h 25mAsiana Airlines
Sun 11/2311:05 pmDAD - SEA
1 stop29h 50mAsiana Airlines
Deal found 6/10$758
This FlightHub deal was found by Cheapflights users on 6/12. 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 8/311:15 amSEA - HAN
1 stop18h 55mSTARLUX Airlines
Wed 4/15:50 pmHAN - SEA
1 stop36h 20mSTARLUX Airlines
Deal found 6/12$767
This Fareboom deal was found by Cheapflights users on 6/10. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/46:00 amGEG - SGN
2 stops25h 45mMultiple Airlines
Mon 9/811:35 pmSGN - GEG
2 stops34h 30mMultiple Airlines
Deal found 6/10$778
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Wed 11/127:00 amSEA - DAD
2 stops38h 55mANA
Sat 11/2212:35 amDAD - SEA
2 stops27h 53mANA
Deal found 6/10$779
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 8/47:25 amGEG - SGN
2 stops24h 30mUnited Airlines
Tue 9/911:15 pmSGN - GEG
2 stops37h 50mUnited Airlines
Deal found 6/12$781
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/123:40 pmSEA - DAD
1 stop30h 35mMultiple Airlines
Sat 11/2212:35 amDAD - SEA
1 stop27h 45mMultiple Airlines
Deal found 6/10$788

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 June 12, 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

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

Sun 8/31

1:40 am-4:35 pm

1 stop24h 55m

Da Nang

Tue 9/30

5:35 pm-7:20 pm

1 stop15h 45m

$734

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 9/1

2:15 pm-10:00 pm

1 stop17h 45m

Hanoi Noibai

Wed 4/1

11:30 pm-2:55 pm

1 stop29h 25m

$737

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

Mon 10/27

6:30 pm-3:40 pm

2 stops31h 10m

Da Nang

Mon 1/26

11:50 am-7:10 am

1 stop34h 20m

$755

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

Tue 11/11

12:10 am-9:35 pm

1 stop30h 25m

Da Nang

Sun 11/23

11:05 pm-1:55 pm

1 stop29h 50m

$758

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sun 8/31

1:15 am-10:10 am

1 stop18h 55m

Hanoi Noibai

Wed 4/1

5:50 pm-4:10 pm

1 stop36h 20m

$767

SpokaneHo Chi Minh City

GEG - SGN

GEGSGN

Spokane

Mon 8/4

6:00 am-9:45 pm

2 stops25h 45m

Ho Chi Minh City

Mon 9/8

11:35 pm-8:05 pm

2 stops34h 30m

$778

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

Wed 11/12

7:00 am-12:55 pm

2 stops38h 55m

Da Nang

Sat 11/22

12:35 am-1:28 pm

2 stops27h 53m

$779

SpokaneHo Chi Minh City

GEG - SGN

GEGSGN

Spokane

Mon 8/4

7:25 am-9:55 pm

2 stops24h 30m

Ho Chi Minh City

Tue 9/9

11:15 pm-11:05 pm

2 stops37h 50m

$781

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

Wed 11/12

3:40 pm-1:15 pm

1 stop30h 35m

Da Nang

Sat 11/22

12:35 am-1:20 pm

1 stop27h 45m

$788

PortlandDa Nang

PDX - DAD

PDXDAD

Portland

Sun 8/24

7:45 am-12:40 pm

2 stops38h 55m

Da Nang

Wed 9/24

1:10 am-2:42 pm

2 stops27h 32m

$796

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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 $920). Flying from State of Washington to Vietnam in June is currently the most expensive (average of $1,475). 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 June 12, 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 June 12, 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
178 reviews

Boarding

9.0

Comfort

9.0

Entertainment

8.9

Overall

9.1

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful
178 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Boarding

9.0

Comfort

9.0

Entertainment

8.9

Overall

9.1

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
EVA Air
8.4
Very good
1,202 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Boarding

9.0

Comfort

9.0

Entertainment

8.9

Overall

9.1

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Korean Air
8.4
Very good
1,088 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Boarding

9.0

Comfort

9.0

Entertainment

8.9

Overall

9.1

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Japan Airlines
8.3
Very good
1,490 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Boarding

9.0

Comfort

9.0

Entertainment

8.9

Overall

9.1

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very good
738 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Boarding

9.0

Comfort

9.0

Entertainment

8.9

Overall

9.1

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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?

    $281 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 Asiana Airlines and China Airlines, with prices starting from $359 and $377, 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 $920). Flying from State of Washington to Vietnam in June is currently the most expensive (average of $1,475). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$632Average$973FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$639Average$802FlexibilityNo cancel feeOn-time76%
Philippine AirlinesCheapest$682Average$756FlexibilityNo cancel feeOn-time60%
ANACheapest$688Average$874FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$691Average$1,142FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$716Average$855FlexibilityNo cancel feeOn-time70%
Japan AirlinesCheapest$717Average$1,015FlexibilityNo cancel feeOn-time79%
Korean AirCheapest$717Average$1,078FlexibilityNo cancel feeOn-time81%
DeltaCheapest$736Average$902FlexibilityNo cancel feeOn-timeN/A
STARLUX AirlinesCheapest$766Average$942FlexibilityNo cancel feeOn-timeN/A

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