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$507+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SGN
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
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 March 22, 2026.

This Justfly.com deal was found by Cheapflights users on 3/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:38 pm
IAD
-
DAD
2 stops28h 22m
Multiple Airlines
Thu 9/1710:00 am
DAD
-
IAD
2 stops32h 28m
Multiple Airlines
Deal found 3/19$924
This FlightHub deal was found by Cheapflights users on 3/19. 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.
Sun 9/276:30 am
IAD
-
DAD
2 stops47h 00m
Multiple Airlines
Thu 10/2910:20 am
DAD
-
IAD
2 stops32h 08m
Multiple Airlines
Deal found 3/19$934
This BusinessClass deal was found by Cheapflights users on 3/18. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/59:45 pm
IAD
-
SGN
1 stop31h 25m
Turkish Airlines
Mon 5/1810:05 pm
SGN
-
IAD
1 stop24h 30m
Turkish Airlines
Deal found 3/18$979
This FlightHub deal was found by Cheapflights users on 3/17. 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.
Mon 10/59:00 pm
IAD
-
SGN
1 stop29h 50m
Qatar Airways
Mon 10/267:40 pm
SGN
-
IAD
1 stop32h 15m
Qatar Airways
Deal found 3/17$980
This Justfly.com deal was found by Cheapflights users on 3/22. 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 10/45:38 pm
IAD
-
SGN
2 stops29h 02m
Multiple Airlines
Sun 10/1810:50 am
SGN
-
IAD
2 stops31h 38m
Multiple Airlines
Deal found 3/22$982
This FlightHub deal was found by Cheapflights users on 3/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1311:00 am
IAD
-
SGN
1 stop34h 25m
Qatar Airways
Wed 5/278:00 pm
SGN
-
IAD
1 stop31h 05m
Qatar Airways
Deal found 3/18$983
This FlightHub deal was found by Cheapflights users on 3/17. 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.
Sat 9/195:38 pm
IAD
-
SGN
2 stops31h 02m
Multiple Airlines
Tue 9/291:50 am
SGN
-
IAD
1 stop31h 10m
Multiple Airlines
Deal found 3/17$984
This FlightHub deal was found by Cheapflights users on 3/17. 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.
Wed 11/2510:40 am
IAD
-
SGN
1 stop38h 25m
Qatar Airways
Mon 12/78:55 am
SGN
-
IAD
1 stop43h 00m
Qatar Airways
Deal found 3/17$985
This BusinessClass deal was found by Cheapflights users on 3/17. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:15 am
IAD
-
SGN
1 stop21h 40m
EVA Air
Fri 10/301:55 am
SGN
-
IAD
1 stop31h 00m
EVA Air
Deal found 3/17$987
This Justfly.com deal was found by Cheapflights users on 3/21. 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.
Sat 9/195:38 pm
IAD
-
DAD
2 stops35h 52m
Multiple Airlines
Thu 9/2410:00 am
DAD
-
IAD
2 stops32h 28m
Multiple Airlines
Deal found 3/21$988
This FlightHub deal was found by Cheapflights users on 3/17. 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.
Fri 9/251:15 am
IAD
-
SGN
1 stop33h 45m
Multiple Airlines
Thu 10/153:45 pm
SGN
-
IAD
2 stops26h 43m
Multiple Airlines
Deal found 3/17$990
This Booking.com deal was found by Cheapflights users on 3/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:20 pm
IAD
-
SGN
1 stop39h 50m
Turkish Airlines
Mon 11/3010:15 pm
SGN
-
IAD
1 stop25h 30m
Turkish Airlines
Deal found 3/20$991

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 March 22, 2026.

Round-trip from

$924
(Justfly.com)

One-way from

$507
(Trip.com)

Popular in

June

Cheapest in

September

Average price

$1,161
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. 15% potential increase in price ($210 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 22, 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

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Tue 5/5

7:20 am-9:35 pm

2 stops27h 15m

Hanoi Noibai

Tue 5/12

11:10 pm-9:24 pm

2 stops33h 14m

$1,111

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Mon 4/13

2:05 pm-3:40 pm

2 stops38h 35m

Ho Chi Minh City

Mon 4/20

11:00 am-9:45 am

2 stops33h 45m

$1,147

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Thu 4/9

2:05 pm-3:40 pm

2 stops38h 35m

Ho Chi Minh City

Mon 5/11

4:40 pm-9:45 am

2 stops28h 05m

$1,147

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Thu 4/2

2:05 pm-6:50 pm

2 stops41h 45m

Ho Chi Minh City

Mon 4/13

4:40 pm-10:25 am

2 stops28h 45m

$1,147

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Wed 5/6

3:10 pm-6:50 pm

2 stops40h 40m

Ho Chi Minh City

Wed 5/27

11:00 am-9:45 am

2 stops33h 45m

$1,208

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Mon 4/6

9:00 pm-7:40 am

1 stop23h 40m

Ho Chi Minh City

Thu 4/30

4:40 pm-4:05 pm

2 stops34h 25m

$1,210

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sat 8/1

10:20 pm-10:15 pm

2 stops36h 55m

Hanoi Noibai

Wed 9/2

11:35 pm-9:08 pm

2 stops32h 33m

$1,216

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Mon 3/30

2:20 pm-3:40 pm

2 stops38h 20m

Ho Chi Minh City

Thu 4/16

4:40 pm-9:45 am

2 stops28h 05m

$1,232

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Mon 5/11

10:05 pm-10:05 pm

2 stops37h 00m

Ho Chi Minh City

Mon 6/29

11:15 pm-12:45 am

2 stops36h 30m

$1,241

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Sat 5/2

10:20 pm-10:05 pm

3 stops36h 45m

Ho Chi Minh City

Sat 5/9

11:15 pm-6:12 am

2 stops41h 57m

$1,275

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

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, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Vietnam (average of $671). Flying from Washington, D.C. Dulles Intl Airport to Vietnam in June is currently the most expensive (average of $1,145). 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.

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 March 22, 2026.
See what other customers who have flown with ANA,Korean Air, andQatar Airways 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.
ANA
8.4
Very good
1,136 reviews

Comfort

8.2

Food

7.8

Entertainment

8.0

Boarding

8.5

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

BKK - NRT

Really enjoyed fly with ANA for our first time. Thank you!
ANA
8.4
Very good
1,136 reviews
ANA
8.4
Very good
1,136 reviews

Comfort

8.2

Food

7.8

Entertainment

8.0

Boarding

8.5

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

BKK - NRT

Really enjoyed fly with ANA for our first time. Thank you!
Korean Air
8.4
Very good
1,205 reviews
ANA
8.4
Very good
1,136 reviews

Comfort

8.2

Food

7.8

Entertainment

8.0

Boarding

8.5

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

BKK - NRT

Really enjoyed fly with ANA for our first time. Thank you!
Qatar Airways
7.4
Good
3,733 reviews
ANA
8.4
Very good
1,136 reviews

Comfort

8.2

Food

7.8

Entertainment

8.0

Boarding

8.5

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

BKK - NRT

Really enjoyed fly with ANA for our first time. Thank you!
United Airlines
7.4
Good
9,455 reviews
ANA
8.4
Very good
1,136 reviews

Comfort

8.2

Food

7.8

Entertainment

8.0

Boarding

8.5

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

BKK - NRT

Really enjoyed fly with ANA for our first time. Thank you!
Turkish Airlines
7.3
Good
4,268 reviews
ANA
8.4
Very good
1,136 reviews

Comfort

8.2

Food

7.8

Entertainment

8.0

Boarding

8.5

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

BKK - NRT

Really enjoyed fly with ANA for our first time. Thank you!

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?

    Delta, Qatar Airways, and United Airlines can get you from Washington, D.C. Dulles Intl Airport to Vietnam in just under 23h 40m. Your travel time can differ by up to 13h 15m. Washington, D.C. Dulles Intl Airport and Vietnam are separated by a distance of 8982 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 $438. 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, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Vietnam (average of $671). Flying from Washington, D.C. Dulles Intl Airport to Vietnam in June is currently the most expensive (average of $1,145). 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 March 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$443Average$908FlexibilityNo cancel feeOn-time67%
JetBlueCheapest$512Average$1,858FlexibilityNo cancel feeOn-time62%
Turkish AirlinesCheapest$751Average$1,156FlexibilityNo cancel feeOn-time77%
Etihad AirwaysCheapest$818Average$1,105FlexibilityNo cancel feeOn-time75%
Korean AirCheapest$821Average$1,461FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$877Average$1,426FlexibilityNo cancel feeOn-time71%
Qatar AirwaysCheapest$887Average$1,357FlexibilityNo cancel feeOn-time68%
Singapore AirlinesCheapest$911Average$987FlexibilityNo cancel feeOn-time81%
ANACheapest$911Average$1,129FlexibilityNo cancel feeOn-time80%
China AirlinesCheapest$915Average$1,098FlexibilityNo cancel feeOn-time70%

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