How long is the flight from Washington, D.C. Dulles Intl Airport to Vietnam?

Delta, United Airlines, and China Airlines can get you from Washington, D.C. Dulles Intl Airport to Vietnam in just under 36h 50m. Your travel time can differ by up to 7h 52m. Washington, D.C. Dulles Intl Airport and Vietnam are separated by a distance of 8982 mi. This flight may include one or multiple stops.

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.

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).

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.

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Vietnam?

American Airlines, Air Canada and Air India are the most popular airlines when flying from Washington, D.C. Dulles Intl Airport to Vietnam.

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

Users have found that booking a flight from Washington, D.C. Dulles Intl Airport to Vietnam at least 35 days early can save you up to 34% on average compared to booking a flight this week. If booking 35 days before your flight isn’t an option for you, users have found flights from Washington, D.C. Dulles Intl Airport to Vietnam for as little as $1,178 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,451 for flights departing within the next 3 days.

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

The best pricing can be found in the month of April. Prices to Vietnam from Washington, D.C. Dulles Intl Airport average $1,265. You can even find prices in April for less than $1,265, as users have found deals to Vietnam from as low as $800. The month of December appears to be one of the more expensive times to travel to Vietnam from Washington, D.C. Dulles Intl Airport. Flying in the targeted month can save you up to 21%.

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.

$418+ Flights from Washington, D.C. Dulles Intl Airport to Vietnam

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

Round-trip from	$875 (Ovago)
One-way from	$418 (FlightHub)
Popular in	December
Cheapest in	April
Average price	$1,036

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. 4% potential increase in price ($56 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

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 September 11, 2025.

Mon 10/272:30 pmIAD - SGN

1 stop27h 25mTurkish Airlines

Sun 11/306:35 amSGN - IAD

1 stop41h 10mTurkish Airlines

Deal found 9/9

$875

Fri 11/281:30 pmIAD - SGN

1 stop27h 25mTurkish Airlines

Fri 12/2610:15 pmSGN - IAD

1 stop25h 30mTurkish Airlines

Deal found 9/9

$876

Thu 9/116:25 amIAD - SGN

2 stops28h 20mAmerican Airlines

Thu 9/258:00 amSGN - IAD

2 stops25h 52mAmerican Airlines

Deal found 9/9

$877

Mon 9/226:25 amIAD - HAN

2 stops28h 25mAmerican Airlines

Tue 10/711:20 pmHAN - IAD

2 stops34h 31mAmerican Airlines

Deal found 9/9

$882

Fri 11/71:30 pmIAD - SGN

1 stop27h 25mTurkish Airlines

Tue 11/256:35 amSGN - IAD

1 stop24h 40mTurkish Airlines

Deal found 9/11

$884

Tue 11/2510:00 pmIAD - SGN

1 stop39h 10mAir China

Fri 3/65:00 amSGN - IAD

1 stop25h 30mAir China

Deal found 9/10

$890

Wed 10/228:53 amIAD - SGN

2 stops42h 37mMultiple Airlines

Wed 11/129:40 amSGN - IAD

2 stops32h 43mMultiple Airlines

Deal found 9/10

$893

Thu 11/69:10 pmIAD - SGN

1 stop43h 45mTurkish Airlines

Sun 11/236:35 amSGN - IAD

1 stop41h 10mTurkish Airlines

Deal found 9/9

$894

Tue 9/231:30 pmIAD - SGN

1 stop39h 40mTurkish Airlines

Fri 10/310:05 pmSGN - IAD

1 stop32h 40mTurkish Airlines

Deal found 9/10

$895

Tue 11/1810:00 pmIAD - HAN

1 stop25h 55mAir China

Mon 11/241:20 pmHAN - IAD

1 stop41h 10mAir China

Deal found 9/10

$897

Thu 10/3010:10 pmIAD - SGN

1 stop43h 45mTurkish Airlines

Sun 11/306:35 amSGN - IAD

1 stop41h 10mTurkish Airlines

Deal found 9/9

$904

Mon 10/272:30 pmIAD - SGN

1 stop27h 25mTurkish Airlines

Wed 12/36:35 amSGN - IAD

1 stop24h 40mTurkish Airlines

Deal found 9/9

$912

Best flights from Dulles Intl to Vietnam
Discover carefully curated flight deals from Dulles Intl to Vietnam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Mon 11/107:15 amIAD - HAN

2 stops39h 55mDelta

Mon 11/1711:05 pmHAN - IAD

2 stops36h 14mDelta

Deal found 9/10

$933

Mon 1/1210:05 pmIAD - SGN

2 stops36h 50mUnited Airlines

Mon 2/211:05 pmSGN - IAD

1 stop28h 35mUnited Airlines

Deal found 9/10

$960

Sun 11/97:43 amIAD - DAD

2 stops44h 42mChina Airlines

Tue 11/185:35 pmDAD - IAD

2 stops24h 48mChina Airlines

Deal found 9/9

$984

Mon 11/1012:20 pmIAD - DAD

1 stop36h 50mMultiple Airlines

Mon 11/2412:30 amDAD - IAD

1 stop27h 10mMultiple Airlines

Deal found 9/10

$994

Wed 10/1510:05 pmIAD - DAD

2 stops27h 00mEtihad Airways

Mon 11/31:05 pmDAD - IAD

2 stops38h 45mEtihad Airways

Deal found 9/11

$1,132

Wed 11/199:10 pmIAD - DAD

2 stops26h 55mTurkish Airlines

Fri 12/51:05 pmDAD - IAD

2 stops34h 40mTurkish Airlines

Deal found 9/9

$1,255

Sat 10/255:52 pmIAD - PQC

2 stops39h 58mKorean Air

Sat 11/110:20 pmPQC - IAD

1 stop23h 30mKorean Air

Deal found 9/10

$1,850

Wed 11/126:00 amIAD - HAN

2 stops27h 45mDelta

Tue 11/1811:05 pmHAN - IAD

2 stops36h 14mDelta

Deal found 9/10

$933

Tue 10/2810:08 pmIAD - SGN

2 stops37h 47mUnited Airlines

Tue 11/1811:05 pmSGN - IAD

1 stop28h 35mUnited Airlines

Deal found 9/11

$960

Sun 11/95:03 pmIAD - HAN

2 stops54h 07mDelta

Sun 11/1611:05 pmHAN - IAD

2 stops34h 27mDelta

Deal found 9/10

$939

Thu 10/166:25 amIAD - DAD

2 stops39h 25mChina Airlines

Mon 11/35:35 pmDAD - IAD

2 stops24h 48mChina Airlines

Deal found 9/11

$1,040

Mon 1/2610:05 pmIAD - SGN

2 stops36h 50mUnited Airlines

Mon 2/1611:05 pmSGN - IAD

1 stop28h 35mUnited Airlines

Deal found 9/10

$960

Last-minute flights from Dulles Intl to Vietnam
Discover last-minute flight deals from Dulles Intl to Vietnam. Data last updated September 11, 2025 and is based on user searches.

Thu 9/116:25 amIAD - SGN

2 stops28h 20mAmerican Airlines

Thu 9/258:00 amSGN - IAD

2 stops25h 52mAmerican Airlines

Deal found 9/9

$877

Mon 9/1512:15 pmIAD - SGN

1 stop22h 40mANA

Mon 9/2211:15 pmSGN - IAD

1 stop21h 50mANA

Deal found 9/8

$919

Mon 9/226:25 amIAD - HAN

2 stops28h 25mAmerican Airlines

Tue 10/711:20 pmHAN - IAD

2 stops34h 31mAmerican Airlines

Deal found 9/9

$882

Tue 9/231:30 pmIAD - SGN

1 stop39h 40mTurkish Airlines

Fri 10/310:05 pmSGN - IAD

1 stop32h 40mTurkish Airlines

Deal found 9/10

$895

Tue 9/231:30 pmIAD - SGN

1 stop39h 40mTurkish Airlines

Mon 10/2710:15 pmSGN - IAD

1 stop33h 00mTurkish Airlines

Deal found 9/11

$914

Sun 9/286:25 amIAD - SGN

2 stops28h 20mAmerican Airlines

Tue 10/287:50 amSGN - IAD

2 stops26h 01mAmerican Airlines

Deal found 9/10

$917

Mon 10/69:40 pmIAD - SGN

1 stop31h 30mTurkish Airlines

Wed 10/296:35 amSGN - IAD

1 stop24h 40mTurkish Airlines

Deal found 9/9

$920

Wed 10/228:53 amIAD - SGN

2 stops42h 37mMultiple Airlines

Wed 11/129:40 amSGN - IAD

2 stops32h 43mMultiple Airlines

Deal found 9/10

$893

Sat 10/2510:10 pmIAD - SGN

1 stop43h 45mTurkish Airlines

Tue 12/26:35 amSGN - IAD

1 stop41h 10mTurkish Airlines

Deal found 9/9

$884

Mon 10/272:30 pmIAD - SGN

1 stop27h 25mTurkish Airlines

Sun 11/306:35 amSGN - IAD

1 stop41h 10mTurkish Airlines

Deal found 9/9

$875

Mon 10/272:30 pmIAD - SGN

1 stop27h 25mTurkish Airlines

Wed 12/36:35 amSGN - IAD

1 stop24h 40mTurkish Airlines

Deal found 9/9

$912

Thu 10/3010:10 pmIAD - SGN

1 stop43h 45mTurkish Airlines

Sun 11/306:35 amSGN - IAD

1 stop41h 10mTurkish Airlines

Deal found 9/9

$904

One-way flights from Dulles Intl to Vietnam
Search for one-way flight options from Dulles Intl to Vietnam. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.

Tue 9/231:30 pmIAD - SGN

1 stop39h 40mTurkish Airlines

Deal found 9/10

$418

Sun 11/91:30 pmIAD - SGN

1 stop27h 25mTurkish Airlines

Deal found 9/9

$436

Mon 10/61:55 pmIAD - HAN

3 stops56h 00mMultiple Airlines

Deal found 9/9

$442

Mon 10/139:28 pmIAD - HAN

3 stops49h 57mMultiple Airlines

Deal found 9/9

$445

Sat 10/47:14 pmIAD - HAN

3 stops42h 31mMultiple Airlines

Deal found 9/10

$450

Mon 10/272:30 pmIAD - SGN

1 stop27h 25mTurkish Airlines

Deal found 9/9

$453

Tue 10/286:30 pmIAD - SGN

3 stops43h 40mMultiple Airlines

Deal found 9/9

$454

Fri 10/312:30 pmIAD - SGN

1 stop27h 25mTurkish Airlines

Deal found 9/10

$455

Mon 9/221:55 pmIAD - SGN

3 stops48h 15mMultiple Airlines

Deal found 9/10

$457

Sun 10/57:14 pmIAD - SGN

3 stops50h 21mMultiple Airlines

Deal found 9/9

$461

Sun 10/127:27 pmIAD - SGN

3 stops50h 08mMultiple Airlines

Deal found 9/9

$462

Sat 9/207:14 pmIAD - SGN

3 stops52h 46mMultiple Airlines

Deal found 9/9

$464

Cheapflights Fare Finder

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

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Mon 11/10

7:15 am-11:10 am

2 stops39h 55m

Hanoi Noibai

Mon 11/17

11:05 pm-11:19 pm

2 stops36h 14m

$933

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 11/12

6:00 am-9:45 pm

2 stops27h 45m

Hanoi Noibai

Tue 11/18

11:05 pm-11:19 pm

2 stops36h 14m

$933

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sun 11/9

5:03 pm-11:10 am

2 stops54h 07m

Hanoi Noibai

Sun 11/16

11:05 pm-9:32 pm

2 stops34h 27m

$939

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Mon 1/12

10:05 pm-10:55 pm

2 stops36h 50m

Ho Chi Minh City

Mon 2/2

11:05 pm-3:40 pm

1 stop28h 35m

$960

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Tue 10/28

10:08 pm-10:55 pm

2 stops37h 47m

Ho Chi Minh City

Tue 11/18

11:05 pm-3:40 pm

1 stop28h 35m

$960

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Mon 1/26

10:05 pm-10:55 pm

2 stops36h 50m

Ho Chi Minh City

Mon 2/16

11:05 pm-3:40 pm

1 stop28h 35m

$960

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Wed 2/18

11:05 am-9:50 pm

1 stop22h 45m

Ho Chi Minh City

Wed 3/11

11:05 pm-12:24 am

2 stops36h 19m

$966

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Mon 12/8

6:45 am-10:55 pm

2 stops28h 10m

Ho Chi Minh City

Sun 2/1

11:05 pm-9:17 pm

2 stops34h 12m

$970

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Mon 10/27

8:04 pm-10:55 pm

2 stops39h 51m

Ho Chi Minh City

Tue 11/11

6:00 am-9:26 pm

2 stops27h 26m

$972

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Sun 11/9

10:08 pm-10:55 pm

2 stops36h 47m

Ho Chi Minh City

Tue 3/24

7:30 am-12:24 am

2 stops27h 54m

$973

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 60 results

...

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 $883). Flying from Washington, D.C. Dulles Intl Airport to Vietnam in June is currently the most expensive (average of $1,426). 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?

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.

Reviews of airlines servicing Vietnam

See what other customers who have flown with ANA, Korean Air, and Emirates 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

961 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me

ANA

8.4

Very good

961 reviews

ANA

8.4

Very good

961 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Aug 2025

SFO - NRT

Korean Air

8.4

Very good

1,139 reviews

ANA

8.4

Very good

961 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Aug 2025

SFO - NRT

Emirates

8.1

Very good

3,334 reviews

ANA

8.4

Very good

961 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Aug 2025

SFO - NRT

Turkish Airlines

7.3

Good

3,968 reviews

ANA

8.4

Very good

961 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Aug 2025

SFO - NRT

Air India

5.5

Fair

2,930 reviews

ANA

8.4

Very good

961 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Aug 2025

SFO - NRT

Related info for your journey

How long is the flight from Washington, D.C. Dulles Intl Airport to Vietnam?
Delta, United Airlines, and China Airlines can get you from Washington, D.C. Dulles Intl Airport to Vietnam in just under 36h 50m. Your travel time can differ by up to 7h 52m. 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 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 $883). Flying from Washington, D.C. Dulles Intl Airport to Vietnam in June is currently the most expensive (average of $1,426). 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

Alternative routes for Dulles Intl to Vietnam

Dulles Intl to Haneda flights

Dulles Intl to Suvarnabhumi flights

Dulles Intl to Narita flights

Dulles Intl to New Delhi flights

Baltimore to Suvarnabhumi flights

Reagan-National to Narita flights

Reagan-National to Suvarnabhumi flights

Dulles Intl to Incheon Intl flights

Reagan-National to Haneda flights

Baltimore to Haneda flights

Baltimore to Narita flights

Dulles Intl to Hyderabad flights

Dulles Intl to Mumbai flights

Reagan-National to New Delhi flights

Reagan-National to Hyderabad flights

Baltimore to Hyderabad flights

Baltimore to New Delhi flights

Reagan-National to Mumbai flights

Dulles Intl to Ho Chi Minh City flights

Baltimore to Mumbai flights

Dulles Intl to Manila flights

Dulles Intl to Bangalore flights

Dulles Intl to Ahmedabad flights

Dulles Intl to Don Mueang Intl flights

Reagan-National to Bangalore flights

Dulles Intl to Taiwan Taoyuan Intl flights

Dulles Intl to Lahore flights

Baltimore to Bangalore flights

Dulles Intl to Islamabad flights

Baltimore to Manila flights

Reagan-National to Manila flights

Dulles Intl to Hongqiao Intl flights

Reagan-National to Incheon Intl flights

Reagan-National to Ahmedabad flights

Baltimore to Incheon Intl flights

Reagan-National to Taiwan Taoyuan Intl flights

Dulles Intl to Chennai flights

Baltimore to Ahmedabad flights

Dulles Intl to Hong Kong flights

Baltimore to Taiwan Taoyuan Intl flights

Dulles Intl to Denpasar flights

Dulles Intl to Karachi flights

Reagan-National to Hongqiao Intl flights

Dulles Intl to Dhaka flights

Reagan-National to Hong Kong flights

Dulles Intl to Gimpo Intl flights

Dulles Intl to Pu Dong flights

Dulles Intl to Sung Shan flights

Dulles Intl to Kathmandu flights

Baltimore to Hong Kong flights

Top 10 airlines flying from Dulles Intl to Vietnam

Airline	Cheapest	Average	Flexibility	On-time
Air India	Cheapest$789	Average$996	FlexibilityNo cancel fee	On-timeN/A
Turkish Airlines	Cheapest$805	Average$1,053	FlexibilityNo cancel fee	On-time77%
Korean Air	Cheapest$821	Average$1,683	FlexibilityNo cancel fee	On-time81%
Delta	Cheapest$875	Average$1,602	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$877	Average$1,268	FlexibilityNo cancel fee	On-time71%
ANA	Cheapest$912	Average$1,164	FlexibilityNo cancel fee	On-time80%
Singapore Airlines	Cheapest$912	Average$1,409	FlexibilityNo cancel fee	On-time81%
United Airlines	Cheapest$941	Average$1,074	FlexibilityNo cancel fee	On-time69%
Cathay Pacific	Cheapest$950	Average$1,308	FlexibilityNo cancel fee	On-time72%
China Airlines	Cheapest$974	Average$1,584	FlexibilityNo cancel fee	On-time70%

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.

$418+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Vietnam with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 September 11, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Vietnam

Cheapest flights from Dulles Intl to VietnamExplore 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 September 11, 2025.

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 September 11, 2025.

Cheapflights Fare Finder

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

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.

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?

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 September 11, 2025.

Reviews of airlines servicing Vietnam

See what other customers who have flown with ANA, Korean Air, and Emirates 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.

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?

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?

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

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 September 11, 2025.