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$280+ 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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SGN
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
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 July 2, 2025.

Round-trip from

$594
(FlightHub)

One-way from

$280
(FlightHub)

Popular in

June

Cheapest in

March

Average price

$1,158
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. 18% potential increase in price ($207 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 2, 2025.

This FlightHub deal was found by Cheapflights users on 7/1. 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.
Thu 9/1810:15 amSEA - DAD
1 stop39h 30mSingapore Airlines
Thu 10/304:30 pmDAD - SEA
1 stop29h 40mSingapore Airlines
Deal found 7/1$594
This FlightHub deal was found by Cheapflights users on 7/1. 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 7/1$682
This United Airlines deal was found by Cheapflights users on 6/30. 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 8/182:50 pmSEA - HAN
2 stops41h 25mUnited Airlines
Mon 9/111:35 pmHAN - SEA
2 stops35h 47mUnited Airlines
Deal found 6/30$687
This FlightHub deal was found by Cheapflights users on 6/30. 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 11/211:55 pmSEA - HAN
1 stop34h 55mPhilippine Airlines
Sat 11/152:50 amHAN - SEA
1 stop31h 45mPhilippine Airlines
Deal found 6/30$691
This Gurufare deal was found by Cheapflights users on 7/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/184:30 pmSEA - DAD
2 stops48h 40mMultiple Airlines
Wed 10/291:10 amDAD - SEA
2 stops29h 05mMultiple Airlines
Deal found 7/1$699
This FlightHub deal was found by Cheapflights users on 7/1. 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 9/14:30 pmSEA - HAN
1 stop39h 45mANA
Wed 9/1711:35 pmHAN - SEA
2 stops29h 39mANA
Deal found 7/1$702
This Gotogate deal was found by Cheapflights users on 6/30. 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.
Mon 8/181:20 pmSEA - HAN
1 stop31h 20mKorean Air
Mon 9/111:10 pmHAN - SEA
1 stop25h 30mKorean Air
Deal found 6/30$710
This United deal was found by Cheapflights users on 7/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/24:30 pmSEA - HAN
1 stop39h 45mMultiple Airlines
Tue 9/1611:35 pmHAN - SEA
1 stop28h 50mMultiple Airlines
Deal found 7/1$712
This oojo deal was found by Cheapflights users on 7/1. 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 9/11:40 amSEA - HAN
1 stop18h 55mChina Airlines
Tue 9/1611:35 amHAN - SEA
1 stop21h 45mChina Airlines
Deal found 7/1$729
This oojo deal was found by Cheapflights users on 6/30. 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 stop32h 00mAsiana Airlines
Wed 4/111:30 pmHAN - SEA
1 stop29h 25mAsiana Airlines
Deal found 6/30$735
This CrystalTravel deal was found by Cheapflights users on 7/1. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/127:28 amSEA - DAD
2 stops23h 37mKorean Air
Wed 8/2710:55 pmDAD - SEA
1 stop25h 55mKorean Air
Deal found 7/1$740
This oojo deal was found by Cheapflights users on 7/1. 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 9/102:15 pmSEA - DAD
1 stop17h 20mAsiana Airlines
Sun 9/2811:00 pmDAD - SEA
1 stop27h 30mAsiana Airlines
Deal found 7/1$755

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 July 2, 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

Thu 9/18

10:15 am-3:45 pm

1 stop39h 30m

Da Nang

Thu 10/30

4:30 pm-8:10 am

1 stop29h 40m

$594

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 8/18

2:50 pm-10:15 pm

2 stops41h 25m

Hanoi Noibai

Mon 9/1

11:35 pm-9:22 pm

2 stops35h 47m

$687

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

Thu 9/18

4:30 pm-7:10 am

2 stops48h 40m

Da Nang

Wed 10/29

1:10 am-4:15 pm

2 stops29h 05m

$699

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 9/1

4:30 pm-10:15 pm

1 stop39h 45m

Hanoi Noibai

Wed 9/17

11:35 pm-3:14 pm

2 stops29h 39m

$702

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 8/18

1:20 pm-10:40 am

1 stop31h 20m

Hanoi Noibai

Mon 9/1

11:10 pm-10:40 am

1 stop25h 30m

$710

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Tue 9/2

4:30 pm-10:15 pm

1 stop39h 45m

Hanoi Noibai

Tue 9/16

11:35 pm-2:25 pm

1 stop28h 50m

$712

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Sun 8/31

11:35 pm-1:30 am

1 stop35h 55m

Hanoi Noibai

Sat 9/13

2:30 am-7:15 pm

1 stop30h 45m

$719

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 9/1

1:40 am-10:35 am

1 stop18h 55m

Hanoi Noibai

Tue 9/16

11:35 am-7:20 pm

1 stop21h 45m

$729

SeattleHanoi

SEA - HAN

SEAHAN

Seattle/Tacoma Intl

Mon 9/1

2:15 pm-12:15 pm

1 stop32h 00m

Hanoi Noibai

Wed 4/1

11:30 pm-2:55 pm

1 stop29h 25m

$735

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

Tue 8/12

7:28 am-9:05 pm

2 stops23h 37m

Da Nang

Wed 8/27

10:55 pm-10:50 am

1 stop25h 55m

$740

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 $917). Flying from State of Washington to Vietnam in June is currently the most expensive (average of $1,435). 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 July 2, 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.

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 July 2, 2025.
Read reviews from past customers who have flown STARLUX Airlines, EVA Air, and Korean Air from Washington to Vietnam. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
189 reviews

Food

8.9

Boarding

9.0

Comfort

9.0

Crew

9.3

Overall

9.1

Entertainment

9.0

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
189 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Food

8.9

Boarding

9.0

Comfort

9.0

Crew

9.3

Overall

9.1

Entertainment

9.0

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
1,214 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Food

8.9

Boarding

9.0

Comfort

9.0

Crew

9.3

Overall

9.1

Entertainment

9.0

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
1,101 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Food

8.9

Boarding

9.0

Comfort

9.0

Crew

9.3

Overall

9.1

Entertainment

9.0

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.
ANA
8.4
Very good
892 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Food

8.9

Boarding

9.0

Comfort

9.0

Crew

9.3

Overall

9.1

Entertainment

9.0

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
1,505 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Food

8.9

Boarding

9.0

Comfort

9.0

Crew

9.3

Overall

9.1

Entertainment

9.0

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?

    $280 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 Korean Air and Asiana Airlines, with prices starting from $336 and $357, 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 $917). Flying from State of Washington to Vietnam in June is currently the most expensive (average of $1,435). 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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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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$620Average$950FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$639Average$803FlexibilityNo cancel feeOn-time76%
Philippine AirlinesCheapest$682Average$753FlexibilityNo cancel feeOn-time60%
ANACheapest$688Average$840FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$691Average$1,142FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$710Average$858FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$717Average$1,077FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$717Average$912FlexibilityNo cancel feeOn-time79%
DeltaCheapest$736Average$892FlexibilityNo cancel feeOn-timeN/A
STARLUX AirlinesCheapest$769Average$941FlexibilityNo cancel feeOn-timeN/A

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