Vietnam

$503+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SGN
Jun 17 — Jun 241
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Vietnam with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 12, 2025.

Round-trip from

$915
(Trip.com)

One-way from

$503
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$1,587
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. 8% potential increase in price ($128 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
Average for round-trip flights in June 2025

Find 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 12, 2025.

This oojo deal was found by Cheapflights users on 6/10. 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 9/2611:00 pmIAD - HAN
1 stop25h 55mAir China
Thu 10/161:25 pmHAN - IAD
1 stop41h 05mAir China
Deal found 6/10$785
This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/99:40 pmIAD - CXR
2 stops36h 10mMultiple Airlines
Tue 9/238:40 amCXR - IAD
2 stops38h 05mMultiple Airlines
Deal found 6/10$915
This oojo deal was found by Cheapflights users on 6/12. 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 9/156:09 pmIAD - DAD
2 stops27h 41mChina Airlines
Tue 11/185:35 pmDAD - IAD
2 stops24h 48mChina Airlines
Deal found 6/12$961
This oojo deal was found by Cheapflights users on 6/10. 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 9/96:09 pmIAD - HAN
2 stops35h 41mChina Airlines
Tue 9/165:50 pmHAN - IAD
2 stops24h 42mChina Airlines
Deal found 6/10$966
This Delta deal was found by Cheapflights users on 6/10. 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 8/147:30 pmIAD - HAN
2 stops39h 05mDelta
Wed 8/2711:10 pmHAN - IAD
2 stops41h 45mDelta
Deal found 6/10$971
This Gurufare deal was found by Cheapflights users on 6/11. 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.
Mon 9/112:25 pmIAD - DAD
1 stop37h 15mMultiple Airlines
Wed 10/111:50 pmDAD - IAD
1 stop26h 45mMultiple Airlines
Deal found 6/11$975
This FlightHub deal was found by Cheapflights users on 6/11. 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 11/265:10 pmIAD - HAN
2 stops54h 00mKorean Air
Sun 12/711:00 pmHAN - IAD
1 stop22h 50mKorean Air
Deal found 6/11$976
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 9/236:35 amIAD - HAN
2 stops28h 40mUnited Airlines
Sun 10/511:35 pmHAN - IAD
1 stop27h 00mUnited Airlines
Deal found 6/12$980
This FlightHub deal was found by Cheapflights users on 6/11. 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 9/229:40 pmIAD - HAN
1 stop30h 45mTurkish Airlines
Tue 10/711:05 pmHAN - IAD
1 stop31h 40mTurkish Airlines
Deal found 6/11$984
This FlightHub deal was found by Cheapflights users on 6/12. 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 10/189:40 pmIAD - SGN
1 stop31h 30mTurkish Airlines
Sat 11/88:45 amSGN - IAD
1 stop46h 30mTurkish Airlines
Deal found 6/12$996
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 7/1212:20 pmIAD - SGN
1 stop22h 35mUnited Airlines
Mon 8/2511:15 pmSGN - IAD
1 stop27h 30mUnited Airlines
Deal found 6/12$997
This Korean Air deal was found by Cheapflights users on 6/11. 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 10/295:10 pmIAD - SGN
2 stops43h 10mKorean Air
Sat 12/68:05 amSGN - IAD
1 stop37h 45mKorean Air
Deal found 6/11$1,000

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 12, 2025.
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

Dulles Intl

Fly to

Vietnam

Route

Depart

Return

Price

Washington, D.C.Nha Trang

IAD - CXR

IADCXR

Washington, D.C. Dulles Intl

Tue 9/9

9:40 pm-8:50 pm

2 stops36h 10m

Nha Trang Cam Ranh

Tue 9/23

8:40 am-11:45 am

2 stops38h 05m

$915

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Tue 9/9

6:09 pm-4:50 pm

2 stops35h 41m

Hanoi Noibai

Tue 9/16

5:50 pm-7:32 am

2 stops24h 42m

$966

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Thu 8/14

7:30 pm-9:35 pm

2 stops39h 05m

Hanoi Noibai

Wed 8/27

11:10 pm-5:55 am

2 stops41h 45m

$971

Washington, D.C.Da Nang

IAD - DAD

IADDAD

Washington, D.C. Dulles Intl

Mon 9/1

12:25 pm-12:40 pm

1 stop37h 15m

Da Nang

Wed 10/1

11:50 pm-3:35 pm

1 stop26h 45m

$975

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Tue 7/8

6:32 am-10:15 pm

2 stops28h 43m

Hanoi Noibai

Tue 7/15

11:35 pm-3:45 pm

1 stop27h 10m

$980

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Tue 9/9

9:40 pm-3:25 pm

1 stop30h 45m

Hanoi Noibai

Tue 9/16

11:05 pm-7:45 pm

1 stop31h 40m

$984

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Sat 7/12

12:20 pm-9:55 pm

1 stop22h 35m

Ho Chi Minh City

Mon 8/25

11:15 pm-3:45 pm

1 stop27h 30m

$997

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Fri 8/22

6:00 am-10:05 pm

2 stops29h 05m

Ho Chi Minh City

Mon 9/15

1:55 pm-10:55 am

1 stop32h 00m

$1,000

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Wed 8/20

8:20 am-9:55 pm

2 stops26h 35m

Ho Chi Minh City

Mon 8/25

11:15 pm-3:45 pm

1 stop27h 30m

$1,002

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Thu 7/31

6:10 am-9:55 pm

2 stops28h 45m

Ho Chi Minh City

Sun 8/10

11:15 pm-1:49 pm

2 stops25h 34m

$1,003

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 56 results
1
2
3
...
6

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, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Vietnam (average of $920). Flying from Washington, D.C. Dulles Intl Airport to Vietnam in June is currently the most expensive (average of $1,475). 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 IAD to VN?

Find hourly flight availability from Dulles Intl 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 June 12, 2025.

When flying from Washington, D.C. Dulles Intl Airport 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.

Rainfall in Vietnam by month

Plan your trip to Vietnam by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Vietnam ranges from 0.0 - 13.4 inches per month. September is typically the wettest month, when rainfall can reach 13.4 in. February is typically the driest time to visit Vietnam when rainfall is around 0.0 in.

Temperature in Vietnam by month

Plan your trip to Vietnam by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Vietnam, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

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 12, 2025.
See what other customers who have flown with EVA Air, Korean Air and China Airlines from Washington, D.C. to Vietnam have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Overall

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Overall

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Overall

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
8.3
Very good

Overall

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Overall

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.
  • 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 Korean Air. According to our data, you can fly for as low as $516. Users have also found prices from $538 and $540 on United Airlines and ANA, 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, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Vietnam (average of $920). Flying from Washington, D.C. Dulles Intl Airport to Vietnam in June is currently the most expensive (average of $1,475). 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.

Alternative routes for Dulles Intl to Vietnam

See prices for flight routes from nearby airports that may be better suited for you.

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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$778Average$974FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$860Average$1,077FlexibilityNo cancel feeOn-time77%
ANACheapest$888Average$1,829FlexibilityNo cancel feeOn-time80%
American AirlinesCheapest$928Average$1,270FlexibilityNo cancel feeOn-time71%
Cathay PacificCheapest$950Average$1,308FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$956Average$1,512FlexibilityNo cancel feeOn-time69%
DeltaCheapest$985Average$1,698FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$1,015Average$1,857FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$1,049Average$1,880FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$1,142Average$1,400FlexibilityNo cancel feeOn-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.