Vietnam

$601+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SGN
Jun 6 — Jun 131
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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 May 7, 2026.

This Expedia deal was found by Cheapflights users on 5/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:00 am
IAD
-
SGN
2 stops28h 50m
Multiple Airlines
Sun 10/1112:10 am
SGN
-
IAD
2 stops40h 30m
Multiple Airlines
Deal found 5/3$1,134
This Gotogate deal was found by Cheapflights users on 5/2. 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.
Sat 8/16:50 pm
IAD
-
SGN
2 stops41h 00m
SAUDIA
Mon 9/286:25 pm
SGN
-
IAD
2 stops32h 15m
SAUDIA
Deal found 5/2$1,137
This CrystalTravel deal was found by Cheapflights users on 5/3. 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.
Mon 8/311:50 am
IAD
-
SGN
1 stop21h 05m
EVA Air
Tue 9/291:50 am
SGN
-
IAD
1 stop31h 10m
EVA Air
Deal found 5/3$1,150
This FlightHub deal was found by Cheapflights users on 5/3. 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 5/59:00 pm
IAD
-
SGN
2 stops50h 00m
Qatar Airways
Thu 5/148:00 pm
SGN
-
IAD
1 stop33h 20m
Qatar Airways
Deal found 5/3$1,153
This CrystalTravel deal was found by Cheapflights users on 5/6. 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.
Thu 10/83:10 pm
IAD
-
HAN
1 stop28h 30m
Etihad Airways
Wed 10/218:40 pm
HAN
-
IAD
1 stop24h 05m
Etihad Airways
Deal found 5/6$1,158
This Justfly.com deal was found by Cheapflights users on 5/5. 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 9/155:54 pm
IAD
-
SGN
2 stops28h 46m
Multiple Airlines
Tue 10/65:30 pm
SGN
-
IAD
2 stops23h 10m
Multiple Airlines
Deal found 5/5$1,159
This Justfly.com deal was found by Cheapflights users on 5/5. 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.
Wed 9/309:00 pm
IAD
-
SGN
2 stops34h 50m
Qatar Airways
Wed 10/148:00 pm
SGN
-
IAD
1 stop30h 40m
Qatar Airways
Deal found 5/5$1,160
This FlightHub deal was found by Cheapflights users on 5/5. 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 10/245:33 pm
IAD
-
SGN
2 stops29h 27m
Multiple Airlines
Thu 11/125:50 pm
SGN
-
IAD
2 stops25h 38m
Multiple Airlines
Deal found 5/5$1,161
This FlightHub deal was found by Cheapflights users on 5/3. 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 10/272:30 pm
IAD
-
SGN
1 stop27h 45m
Turkish Airlines
Tue 11/106:55 am
SGN
-
IAD
1 stop40h 50m
Turkish Airlines
Deal found 5/3$1,163
This Gotogate deal was found by Cheapflights users on 5/3. 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.
Tue 5/123:10 pm
IAD
-
DAD
2 stops57h 55m
Etihad Airways
Wed 6/1012:50 pm
DAD
-
IAD
2 stops55h 55m
Etihad Airways
Deal found 5/3$1,163
This SAUDIA deal was found by Cheapflights users on 5/4. 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 SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:50 pm
IAD
-
SGN
2 stops41h 00m
SAUDIA
Wed 10/216:25 pm
SGN
-
IAD
2 stops32h 15m
SAUDIA
Deal found 5/4$1,164
This Ovago deal was found by Cheapflights users on 5/5. 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.
Sun 9/69:00 am
IAD
-
SGN
2 stops26h 50m
Multiple Airlines
Tue 10/68:20 am
SGN
-
IAD
2 stops32h 20m
Multiple Airlines
Deal found 5/5$1,167

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 May 7, 2026.

Round-trip from

$1,134
(Expedia)

One-way from

$601
(Trip.com)

Popular in

June

Cheapest in

September

Average price

$1,363
From Washington, D.C. Dulles Intl to Vietnam
One-way flight from Washington, D.C. Dulles Intl to Vietnam
Highest demand for flights based on searches. 16% potential increase in price ($233 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 May 7, 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.Nha Trang

IAD - CXR

IADCXR

Washington, D.C. Dulles Intl

Fri 9/11

1:15 am-2:05 pm

2 stops25h 50m

Nha Trang Cam Ranh

Thu 9/17

9:50 pm-10:00 pm

2 stops35h 10m

$1,442

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Tue 5/12

10:55 am-1:15 pm

1 stop39h 20m

Hanoi Noibai

Thu 5/21

1:15 am-8:40 am

1 stop42h 25m

$1,485

Washington, D.C.Phu Quoc

IAD - PQC

IADPQC

Washington, D.C. Dulles Intl

Tue 5/19

9:00 pm-3:55 pm

2 stops31h 55m

Phu Quoc Duong Dang

Sat 5/30

11:45 am-6:20 pm

2 stops41h 35m

$1,572

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sun 8/2

10:55 am-1:15 pm

1 stop39h 20m

Hanoi Noibai

Sat 8/22

1:30 am-8:40 am

1 stop42h 10m

$1,584

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Thu 6/4

9:00 pm-1:55 pm

1 stop29h 55m

Hanoi Noibai

Sat 6/6

1:55 am-6:20 pm

1 stop27h 25m

$1,608

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Thu 5/14

8:05 am-9:35 pm

2 stops26h 30m

Hanoi Noibai

Fri 6/5

12:05 pm-11:39 pm

2 stops22h 34m

$1,616

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sat 8/1

10:58 am-9:35 pm

2 stops23h 37m

Hanoi Noibai

Fri 8/21

11:10 pm-4:41 pm

2 stops28h 31m

$1,641

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Fri 6/5

10:29 pm-10:15 pm

2 stops36h 46m

Hanoi Noibai

Fri 6/19

11:35 pm-6:58 am

2 stops42h 23m

$1,652

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Fri 7/31

6:20 am-12:20 am

2 stops31h 00m

Ho Chi Minh City

Thu 8/20

7:10 am-6:27 pm

2 stops46h 17m

$1,655

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Fri 7/3

10:21 pm-10:15 pm

2 stops36h 54m

Hanoi Noibai

Mon 7/27

11:35 pm-5:53 am

2 stops41h 18m

$1,662

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

Showing 1-10 of 55 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

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 72 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.

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 $749). Flying from Washington, D.C. Dulles Intl Airport to Vietnam in June is currently the most expensive (average of $2,094). 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 May 7, 2026.
See what other customers who have flown with Korean Air,ANA, 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.

Overall

8.4

Food

8.1

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Overall

8.4

Food

8.1

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
8.3
Very good

Overall

8.4

Food

8.1

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Overall

8.4

Food

8.1

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Overall

8.4

Food

8.1

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Overall

8.4

Food

8.1

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

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?

    Emirates, Qatar Airways, and Delta can get you from Washington, D.C. Dulles Intl Airport to Vietnam in just under 26h 30m. Your travel time can differ by up to 12h 50m. 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 $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?

  • 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 $749). Flying from Washington, D.C. Dulles Intl Airport to Vietnam in June is currently the most expensive (average of $2,094). 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 May 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$443Average$920FlexibilityNo cancel feeOn-time67%
JetBlueCheapest$512Average$1,858FlexibilityNo cancel feeOn-time62%
Turkish AirlinesCheapest$748Average$1,120FlexibilityNo cancel feeOn-time77%
Etihad AirwaysCheapest$818Average$1,175FlexibilityNo cancel feeOn-time75%
Korean AirCheapest$821Average$1,307FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$856Average$1,386FlexibilityNo cancel feeOn-time74%
DeltaCheapest$863Average$1,401FlexibilityNo cancel feeOn-timeN/A
STARLUX AirlinesCheapest$877Average$1,003FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$877Average$1,187FlexibilityNo cancel feeOn-time71%
Qatar AirwaysCheapest$886Average$1,326FlexibilityNo cancel feeOn-time68%

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