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$350+ Cheap flights from Washington, D.C. (WAS) 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SGN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Washington, D.C. to Vietnam

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

This Gotogate deal was found by Cheapflights users on 10/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2311:50 amIAD - HAN
1 stop35h 20mKorean Air
Sun 12/711:05 pmHAN - IAD
1 stop22h 45mKorean Air
Deal found 10/29$825
This Korean Air deal was found by Cheapflights users on 10/29. 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.
Wed 11/2611:50 amIAD - HAN
1 stop21h 55mKorean Air
Sun 12/712:20 pmHAN - IAD
1 stop33h 30mKorean Air
Deal found 10/29$855
This oojo deal was found by Cheapflights users on 10/30. 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.
Tue 11/119:59 amDCA - HAN
2 stops36h 36mChina Airlines
Thu 12/45:30 pmHAN - DCA
2 stops38h 30mChina Airlines
Deal found 10/30$856
This Delta deal was found by Cheapflights users on 10/29. 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.
Sun 11/236:00 amIAD - HAN
2 stops41h 10mDelta
Sun 12/712:20 pmHAN - IAD
2 stops40h 40mDelta
Deal found 10/29$860
This FlightHub deal was found by Cheapflights users on 10/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2811:10 amIAD - DAD
2 stops32h 15mMultiple Airlines
Thu 12/412:30 amDAD - IAD
1 stop27h 10mMultiple Airlines
Deal found 10/29$862
This Ovago deal was found by Cheapflights users on 10/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/512:20 pmIAD - DAD
1 stop36h 30mMultiple Airlines
Tue 11/1112:30 amDAD - IAD
1 stop27h 10mMultiple Airlines
Deal found 10/29$889
This oojo deal was found by Cheapflights users on 10/29. 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.
Thu 12/49:15 pmIAD - SGN
1 stop43h 40mTurkish Airlines
Tue 12/306:35 amSGN - IAD
1 stop24h 45mTurkish Airlines
Deal found 10/29$899
This China Airlines deal was found by Cheapflights users on 10/29. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/129:59 amDCA - SGN
2 stops36h 01mMultiple Airlines
Fri 12/55:50 pmSGN - DCA
2 stops38h 10mMultiple Airlines
Deal found 10/29$905
This FlightHub deal was found by Cheapflights users on 10/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:30 pmIAD - SGN
1 stop27h 25mTurkish Airlines
Sun 1/256:35 amSGN - IAD
1 stop41h 10mTurkish Airlines
Deal found 10/29$907
This FlightHub deal was found by Cheapflights users on 10/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/258:05 pmIAD - SGN
1 stop29h 00mQatar Airways
Mon 12/158:55 amSGN - IAD
1 stop43h 00mQatar Airways
Deal found 10/29$908
This KAYAK deal was found by Cheapflights users on 10/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/258:05 pmIAD - SGN
1 stop29h 00mQatar Airways
Fri 2/278:55 amSGN - IAD
1 stop43h 00mQatar Airways
Deal found 10/30$910
This FlightHub deal was found by Cheapflights users on 10/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/310:40 amIAD - HAN
1 stop21h 05mQatar Airways
Tue 12/167:10 pmHAN - IAD
1 stop25h 10mQatar Airways
Deal found 10/29$911

Cheap flight deals from Washington, D.C. to Vietnam

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

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$825
(Gotogate)

One-way from

$350
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,026
Provider with most accurate pricing for Washington, D.C. (WAS)-Ho Chi Minh City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Ho Chi Minh City flights.
Search Deals
From Washington, D.C. (WAS) to Vietnam
Search Deals
One-way flight from Washington, D.C. (WAS) to Vietnam
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($228 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 October 30, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Vietnam that are best for you.

Fly from

Washington, D.C.

Fly to

Vietnam

Route

Depart

Return

Price

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 11/26

11:50 am-9:45 pm

1 stop21h 55m

Hanoi Noibai

Sun 12/7

12:20 pm-9:50 am

1 stop33h 30m

$855

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Wed 11/12

9:59 am-10:35 am

2 stops36h 36m

Hanoi Noibai

Mon 12/8

5:30 pm-8:00 pm

2 stops38h 30m

$856

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Thu 4/2

8:00 am-9:35 pm

2 stops26h 35m

Hanoi Noibai

Fri 4/24

11:10 pm-9:19 pm

2 stops33h 09m

$872

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Tue 3/31

8:00 am-9:35 pm

2 stops26h 35m

Hanoi Noibai

Wed 4/15

11:10 pm-2:43 pm

2 stops26h 33m

$872

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Thu 4/2

8:20 am-9:35 pm

2 stops26h 15m

Hanoi Noibai

Wed 4/15

11:10 pm-10:20 pm

2 stops34h 10m

$872

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Thu 4/2

8:20 am-9:35 pm

2 stops26h 15m

Hanoi Noibai

Sat 4/25

11:10 pm-5:03 pm

2 stops28h 53m

$872

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Tue 3/31

6:50 pm-9:35 pm

2 stops39h 45m

Hanoi Noibai

Tue 4/14

11:10 pm-9:13 am

2 stops45h 03m

$873

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Wed 2/18

9:30 am-4:50 pm

2 stops43h 20m

Ho Chi Minh City

Wed 4/22

10:50 am-8:01 pm

2 stops44h 11m

$905

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Thu 4/2

7:00 am-9:35 pm

2 stops27h 35m

Hanoi Noibai

Wed 4/15

11:10 pm-6:45 pm

2 stops30h 35m

$916

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Tue 3/3

9:30 am-10:00 am

2 stops36h 30m

Ho Chi Minh City

Tue 5/12

5:30 pm-8:00 pm

2 stops37h 30m

$929

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 results
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Best time to book a flight from Washington, D.C. to Vietnam

Have a flexible travel schedule? Discover the best time to fly to Vietnam from Washington, D.C. 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, D.C. to Vietnam

What is the cheapest month to book a flight from Washington, D.C. to Vietnam?

Currently, July is the cheapest month in which you can book a flight from Washington, D.C. to Vietnam (average of $574). Flying from Washington, D.C. to Vietnam in June is currently the most expensive (average of $1,169). 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 WAS to VN?

Find hourly flight availability from Washington, D.C. 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 October 30, 2025.

One of the essential ways to save on airfare from Washington, D.C. to Vietnam is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 14% on airfare.

What is the cheapest day to fly from Washington, D.C. to Vietnam?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Vietnam. Price data was last updated on November 3, 2024.

Travelers seeking maximum savings on their Washington, D.C. to Vietnam flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 30, 2025.
Read reviews from past customers who have flown Korean Air, ANA, and Emirates from Washington, D.C. to Vietnam. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,155 reviews

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,155 reviews
Korean Air
8.4
Very good
1,155 reviews

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
ANA
8.4
Very good
998 reviews
Korean Air
8.4
Very good
1,155 reviews

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Emirates
8.1
Very good
3,394 reviews
Korean Air
8.4
Very good
1,155 reviews

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
United Airlines
7.4
Good
8,998 reviews
Korean Air
8.4
Very good
1,155 reviews

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Turkish Airlines
7.3
Good
4,031 reviews
Korean Air
8.4
Very good
1,155 reviews

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

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

  • How long is the flight from Washington, D.C. to Vietnam?

    Korean Air, China Airlines, and Delta can get you from Washington, D.C. to Vietnam in just under 21h 55m. Your travel time can differ by up to 14h 41m. The distance from Washington, D.C. to Vietnam is about 8268 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Washington, D.C. to Vietnam one-way?

    One-way options have recently been found by users for as low as $484 on Qatar Airways. Other airlines that offer cheap prices include STARLUX Airlines from $510 and Turkish Airlines from $519 one-way.

  • What are the most popular routes from Washington, D.C. to Vietnam?

    While some choose either Washington, D.C. Reagan-National - Ho Chi Minh City or Baltimore/Washington - Ho Chi Minh City, Washington, D.C. Dulles Intl - Ho Chi Minh City is the most popular route from Washington, D.C. to Vietnam.

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

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

  • How can I find direct flights from Washington, D.C. to Vietnam?

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

  • Can I find deals for business class flights from Washington, D.C. to Vietnam?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Vietnam?

    Currently, July is the cheapest month in which you can book a flight from Washington, D.C. to Vietnam (average of $574). Flying from Washington, D.C. to Vietnam in June is currently the most expensive (average of $1,169). 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, D.C. 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, D.C. to Vietnam

Discover the top 10 airlines that operate flights from Washington, D.C. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$773Average$1,100FlexibilityNo cancel feeOn-time77%
Air IndiaCheapest$789Average$984FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$819Average$1,609FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$877Average$1,564FlexibilityNo cancel feeOn-time71%
Qatar AirwaysCheapest$887Average$1,474FlexibilityNo cancel feeOn-time68%
ANACheapest$903Average$1,282FlexibilityNo cancel feeOn-time80%
Singapore AirlinesCheapest$912Average$1,396FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$915Average$1,098FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$941Average$1,099FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$974Average$1,253FlexibilityNo cancel feeOn-time72%

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