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$549+ Cheap flights from Dulles Intl (IAD) 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SGN
Jul 23 — Jul 301
Thu 7/23
Thu 7/30
1 adult, Economy
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Cheap flight deals from Dulles Intl to Vietnam

Cheapest flights from Dulles Intl to Vietnam
Explore the most affordable flight options available from Dulles Intl to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.

This oojo deal was found by Cheapflights users on 6/21. 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 11/48:05 pm
IAD
-
HAN
1 stop28h 15m
Qatar Airways
Wed 11/187:10 pm
HAN
-
IAD
1 stop32h 45m
Qatar Airways
Deal found 6/21$1,070
This oojo deal was found by Cheapflights users on 6/21. 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 11/110:30 am
IAD
-
HAN
1 stop32h 25m
Qatar Airways
Thu 11/127:10 pm
HAN
-
IAD
1 stop25h 00m
Qatar Airways
Deal found 6/21$1,073
This oojo deal was found by Cheapflights users on 6/18. 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 10/282:30 pm
IAD
-
HAN
1 stop29h 35m
Turkish Airlines
Thu 11/1210:55 pm
HAN
-
IAD
1 stop24h 50m
Turkish Airlines
Deal found 6/18$1,094
This Justfly.com deal was found by Cheapflights users on 6/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:00 pm
IAD
-
HAN
1 stop29h 55m
Qatar Airways
Wed 9/307:30 pm
HAN
-
IAD
1 stop24h 15m
Qatar Airways
Deal found 6/21$1,097
This Justfly.com deal was found by Cheapflights users on 6/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:05 pm
IAD
-
HAN
1 stop22h 50m
Qatar Airways
Wed 11/117:10 pm
HAN
-
IAD
1 stop32h 45m
Qatar Airways
Deal found 6/21$1,103
This Justfly.com deal was found by Cheapflights users on 6/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:30 am
IAD
-
HAN
1 stop32h 25m
Qatar Airways
Wed 11/117:10 pm
HAN
-
IAD
1 stop32h 45m
Qatar Airways
Deal found 6/21$1,106
This Korean Air deal was found by Cheapflights users on 6/21. 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.
Mon 9/71:15 pm
IAD
-
HAN
1 stop34h 20m
Korean Air
Tue 9/2911:10 pm
HAN
-
IAD
1 stop22h 55m
Korean Air
Deal found 6/21$1,123
This Korean Air deal was found by Cheapflights users on 6/21. 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.
Sun 9/67:15 pm
IAD
-
HAN
2 stops39h 20m
Korean Air
Sun 9/2711:10 pm
HAN
-
IAD
1 stop22h 55m
Korean Air
Deal found 6/21$1,129
This Delta deal was found by Cheapflights users on 6/19. 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.
Thu 9/106:10 am
IAD
-
HAN
2 stops41h 25m
Delta
Thu 9/1712:05 pm
HAN
-
IAD
2 stops22h 18m
Delta
Deal found 6/19$1,134
This FlightHub deal was found by Cheapflights users on 6/19. 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 9/109:45 pm
IAD
-
HAN
1 stop30h 55m
Turkish Airlines
Fri 9/1810:55 pm
HAN
-
IAD
1 stop31h 55m
Turkish Airlines
Deal found 6/19$1,138
This Delta deal was found by Cheapflights users on 6/21. 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 9/611:10 am
IAD
-
HAN
2 stops47h 25m
Delta
Wed 9/3011:10 pm
HAN
-
IAD
2 stops28h 20m
Delta
Deal found 6/21$1,140
This oojo deal was found by Cheapflights users on 6/19. 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.
Fri 9/119:45 pm
IAD
-
HAN
1 stop30h 55m
Turkish Airlines
Fri 9/1810:55 pm
HAN
-
IAD
1 stop31h 55m
Turkish Airlines
Deal found 6/19$1,142

Find flight deals from Dulles Intl to Vietnam

Keep the following information in mind while searching for Dulles Intl to Vietnam flight deals. Data was last updated June 23, 2026.

Round-trip from

$1,070
(oojo)

One-way from

$549
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,467
From Washington, D.C. Dulles Intl to Vietnam
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Vietnam
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($251 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in June 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 23, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Vietnam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 9/14

1:15 pm-9:35 pm

1 stop21h 20m

Hanoi Noibai

Wed 9/30

11:10 pm-11:05 am

1 stop22h 55m

$1,123

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sun 9/6

7:15 pm-9:35 pm

2 stops39h 20m

Hanoi Noibai

Sun 9/27

11:10 pm-11:05 am

1 stop22h 55m

$1,129

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 9/7

8:28 am-9:35 pm

2 stops26h 07m

Hanoi Noibai

Sun 9/27

11:10 pm-11:05 am

1 stop22h 55m

$1,129

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sun 9/6

1:15 pm-10:35 am

1 stop34h 20m

Hanoi Noibai

Sun 9/20

11:10 pm-11:05 am

1 stop22h 55m

$1,173

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 9/14

8:00 am-9:35 pm

2 stops26h 35m

Hanoi Noibai

Wed 9/30

11:10 pm-11:05 am

1 stop22h 55m

$1,174

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Tue 9/15

1:15 pm-11:15 pm

1 stop23h 00m

Ho Chi Minh City

Tue 9/22

11:45 pm-11:05 am

1 stop22h 20m

$1,177

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Thu 9/10

8:00 am-10:10 pm

2 stops27h 10m

Ho Chi Minh City

Mon 9/14

11:45 pm-5:46 pm

2 stops29h 01m

$1,194

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Thu 9/10

9:45 pm-3:40 pm

1 stop30h 55m

Hanoi Noibai

Mon 9/14

10:55 pm-11:35 am

1 stop23h 40m

$1,208

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sat 9/12

1:15 pm-9:35 pm

1 stop21h 20m

Hanoi Noibai

Thu 10/1

11:10 pm-2:12 pm

2 stops26h 02m

$1,234

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Thu 7/16

6:33 am-10:05 pm

3 stops28h 32m

Ho Chi Minh City

Wed 8/19

7:00 am-11:24 am

3 stops39h 24m

$1,236

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Dulles Intl to Vietnam

Have a flexible travel schedule? Discover the best time to fly to Vietnam from Dulles Intl 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. Dulles Intl Airport to Vietnam

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Vietnam (average of $721). Flying from Washington, D.C. Dulles Intl Airport to Vietnam in June is currently the most expensive (average of $2,268). 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.

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Vietnam?

The best time to book flights from Washington, D.C. Dulles Intl Airport to Vietnam is 85 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 23, 2026.
See what other customers who have flown with EVA Air,Korean Air, andANA from Washington, D.C. Dulles Intl Airport to Vietnam have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.5
Very good
1,481 reviews

Overall

8.5

Food

8.1

Boarding

8.4

Entertainment

8.0

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Tony,Jun 2026

NRT - TPE

Great flight and good food…will fly again on Eva air👍🏼
EVA Air
8.5
Very good
1,481 reviews
EVA Air
8.5
Very good
1,481 reviews

Overall

8.5

Food

8.1

Boarding

8.4

Entertainment

8.0

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Tony,Jun 2026

NRT - TPE

Great flight and good food…will fly again on Eva air👍🏼
Korean Air
8.4
Very good
1,221 reviews
EVA Air
8.5
Very good
1,481 reviews

Overall

8.5

Food

8.1

Boarding

8.4

Entertainment

8.0

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Tony,Jun 2026

NRT - TPE

Great flight and good food…will fly again on Eva air👍🏼
ANA
8.3
Very good
1,251 reviews
EVA Air
8.5
Very good
1,481 reviews

Overall

8.5

Food

8.1

Boarding

8.4

Entertainment

8.0

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Tony,Jun 2026

NRT - TPE

Great flight and good food…will fly again on Eva air👍🏼
United Airlines
7.4
Good
9,878 reviews
EVA Air
8.5
Very good
1,481 reviews

Overall

8.5

Food

8.1

Boarding

8.4

Entertainment

8.0

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Tony,Jun 2026

NRT - TPE

Great flight and good food…will fly again on Eva air👍🏼
Qatar Airways
7.3
Good
3,730 reviews
EVA Air
8.5
Very good
1,481 reviews

Overall

8.5

Food

8.1

Boarding

8.4

Entertainment

8.0

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Tony,Jun 2026

NRT - TPE

Great flight and good food…will fly again on Eva air👍🏼

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl Airport to Vietnam?

    Korean Air, Delta, and United Airlines can get you from Washington, D.C. Dulles Intl Airport to Vietnam in just under 21h 20m. Your travel time can differ by up to 7h 12m. Washington, D.C. Dulles Intl Airport and Vietnam are separated by a distance of 8268 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for Turkish Airlines. According to our data, you can fly for as low as $417. Users have also found prices from $438 and $456 on Korean Air and Qatar Airways, respectively.

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

    The most popular flight routes from Washington, D.C. Dulles Intl Airport to Vietnam are Washington, D.C. Dulles Intl - Ho Chi Minh City, Washington, D.C. Dulles Intl - Hanoi Noibai and Washington, D.C. Dulles Intl - Da Nang.

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

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

  • How can I find direct flights from Dulles Intl to Vietnam?

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Vietnam?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Vietnam (average of $721). Flying from Washington, D.C. Dulles Intl Airport to Vietnam in June is currently the most expensive (average of $2,268). 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.

Top 10 airlines flying from Dulles Intl to Vietnam

Discover the top 10 airlines that operate flights from Dulles Intl 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 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$443Average$920FlexibilityNo cancel feeOn-time67%
JetBlueCheapest$512Average$1,865FlexibilityNo cancel feeOn-time62%
Korean AirCheapest$532Average$1,249FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$745Average$1,100FlexibilityNo cancel feeOn-time77%
Etihad AirwaysCheapest$818Average$1,175FlexibilityNo cancel feeOn-time75%
EVA AirCheapest$856Average$1,408FlexibilityNo cancel feeOn-time74%
DeltaCheapest$863Average$1,445FlexibilityNo cancel feeOn-timeN/A
STARLUX AirlinesCheapest$877Average$1,058FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$877Average$1,187FlexibilityNo cancel feeOn-time71%
Qatar AirwaysCheapest$886Average$1,264FlexibilityNo cancel feeOn-time68%

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