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

Qatar Airways, United Airlines, and Delta can get you from Washington, D.C. Dulles Intl Airport to Vietnam in just under 23h 10m. Your travel time can differ by up to 17h 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 Air India. According to our data, you can fly for as low as $423. Users have also found prices from $438 and $440 on Turkish Airlines and Korean Air, respectively.

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 - Da Nang and Washington, D.C. Dulles Intl - Hanoi Noibai.

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

ANA, Korean Air and Turkish Airlines are the most popular airlines when flying 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.

$451+ Flights from Washington, D.C. Dulles Intl Airport to Vietnam

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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 December 18, 2025.

Tue 12/3010:05 pmIAD - SGN

2 stops35h 45mUnited Airlines

Mon 1/1911:05 pmSGN - IAD

2 stops34h 08mUnited Airlines

Deal found 12/17

$1,064

Wed 12/318:20 amIAD - SGN

2 stops27h 55mUnited Airlines

Mon 1/197:30 amSGN - IAD

2 stops29h 29mUnited Airlines

Deal found 12/17

$1,070

Mon 12/296:30 amIAD - SGN

2 stops28h 25mUnited Airlines

Tue 1/2011:05 pmSGN - IAD

2 stops32h 30mUnited Airlines

Deal found 12/16

$1,072

Mon 12/296:30 amIAD - SGN

2 stops28h 25mUnited Airlines

Wed 1/217:30 amSGN - IAD

2 stops24h 05mUnited Airlines

Deal found 12/16

$1,075

Wed 12/318:20 amIAD - SGN

2 stops27h 55mUnited Airlines

Thu 1/226:00 amSGN - IAD

2 stops24h 29mUnited Airlines

Deal found 12/17

$1,078

Mon 12/296:30 amIAD - SGN

2 stops28h 25mUnited Airlines

Sun 1/1811:05 pmSGN - IAD

2 stops34h 12mUnited Airlines

Deal found 12/16

$1,083

Thu 12/258:05 pmIAD - SGN

1 stop23h 10mJetBlue

Tue 1/207:40 pmSGN - IAD

1 stop24h 40mJetBlue

Deal found 12/16

$1,100

Mon 12/296:30 amIAD - SGN

2 stops28h 25mUnited Airlines

Thu 1/2211:05 pmSGN - IAD

1 stop22h 05mUnited Airlines

Deal found 12/16

$1,102

Wed 12/318:20 amIAD - SGN

2 stops27h 55mUnited Airlines

Fri 1/237:30 amSGN - IAD

2 stops23h 51mUnited Airlines

Deal found 12/17

$1,110

Wed 12/318:20 amIAD - SGN

2 stops27h 55mUnited Airlines

Fri 1/166:00 amSGN - IAD

2 stops30h 59mUnited Airlines

Deal found 12/17

$1,127

Mon 12/296:30 amIAD - SGN

2 stops28h 25mUnited Airlines

Fri 1/166:00 amSGN - IAD

2 stops30h 59mUnited Airlines

Deal found 12/16

$1,132

Tue 12/3010:10 pmIAD - SGN

2 stops38h 05mUnited Airlines

Wed 1/146:00 amSGN - IAD

2 stops24h 29mUnited Airlines

Deal found 12/17

$1,171

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 December 18, 2025.

Sun 3/89:05 pmIAD - SGN

1 stop23h 10mQatar Airways

Mon 5/258:50 pmSGN - IAD

1 stop30h 15mQatar Airways

Deal found 12/17

$955

Mon 1/1210:05 pmIAD - SGN

2 stops36h 50mUnited Airlines

Mon 5/1111:15 pmSGN - IAD

1 stop21h 50mUnited Airlines

Deal found 12/17

$960

Sun 4/197:50 pmIAD - SGN

2 stops40h 25mDelta

Mon 4/271:55 pmSGN - IAD

2 stops42h 21mDelta

Deal found 12/17

$965

Fri 1/2311:10 amIAD - DAD

2 stops32h 15mMultiple Airlines

Fri 1/306:05 pmDAD - IAD

2 stops27h 05mMultiple Airlines

Deal found 12/16

$1,031

Mon 1/2611:50 amIAD - HAN

1 stop21h 55mKorean Air

Sun 2/112:20 pmHAN - IAD

2 stops42h 49mKorean Air

Deal found 12/17

$1,208

Mon 1/126:04 pmIAD - DAD

2 stops31h 11mEVA Air

Fri 1/231:00 pmDAD - IAD

2 stops39h 26mEVA Air

Deal found 12/17

$1,242

Wed 3/1111:15 amIAD - DAD

2 stops47h 15mEmirates

Mon 3/1611:30 pmDAD - IAD

2 stops44h 30mEmirates

Deal found 12/16

$1,242

Wed 2/2510:00 amIAD - HAN

2 stops39h 10mEthiopian Air

Tue 3/102:10 pmHAN - IAD

3 stops29h 50mEthiopian Air

Deal found 12/17

$1,323

Tue 3/1010:05 pmIAD - SGN

2 stops37h 50mUnited Airlines

Mon 5/2511:15 pmSGN - IAD

1 stop21h 50mUnited Airlines

Deal found 12/17

$960

Mon 3/26:27 pmIAD - DAD

2 stops26h 43mMultiple Airlines

Thu 4/210:00 amDAD - IAD

2 stops30h 49mMultiple Airlines

Deal found 12/17

$1,036

Mon 1/1210:05 pmIAD - SGN

2 stops36h 50mUnited Airlines

Wed 2/411:05 pmSGN - IAD

1 stop22h 05mUnited Airlines

Deal found 12/17

$960

Thu 3/126:15 amIAD - SGN

2 stops29h 40mUnited Airlines

Sun 5/2411:15 pmSGN - IAD

1 stop21h 50mUnited Airlines

Deal found 12/17

$968

Wed 3/189:05 pmIAD - CXR

2 stops36h 50mMultiple Airlines

Thu 3/267:15 pmCXR - IAD

2 stops56h 40mMultiple Airlines

Deal found 12/15

$1,070

Tue 1/2711:50 amIAD - HAN

1 stop21h 55mDelta

Thu 1/2911:05 pmHAN - IAD

2 stops36h 05mDelta

Deal found 12/17

$1,188

Sun 1/2510:40 amIAD - HAN

2 stops35h 25mQatar Airways

Fri 1/308:55 amHAN - IAD

1 stop43h 00mQatar Airways

Deal found 12/17

$1,200

Wed 1/2111:50 amIAD - CXR

1 stop23h 50mKorean Air

Fri 2/131:35 amCXR - IAD

1 stop20h 15mKorean Air

Deal found 12/14

$1,235

Wed 3/2510:05 pmIAD - SGN

2 stops37h 50mUnited Airlines

Wed 4/1511:15 pmSGN - IAD

2 stops27h 47mUnited Airlines

Deal found 12/17

$970

Wed 2/258:05 pmIAD - CXR

2 stops41h 55mMultiple Airlines

Sun 3/156:05 pmCXR - IAD

2 stops57h 50mMultiple Airlines

Deal found 12/15

$1,074

Wed 3/411:50 amIAD - DAD

1 stop38h 25mDelta

Mon 4/610:55 pmDAD - IAD

2 stops30h 35mDelta

Deal found 12/16

$1,210

Tue 1/206:00 pmIAD - SGN

2 stops40h 55mUnited Airlines

Tue 1/2711:05 pmSGN - IAD

1 stop22h 05mUnited Airlines

Deal found 12/16

$975

Sun 3/16:27 pmIAD - DAD

2 stops29h 13mMultiple Airlines

Sat 3/281:00 pmDAD - IAD

2 stops27h 49mMultiple Airlines

Deal found 12/17

$1,097

Tue 3/311:50 amIAD - DAD

1 stop38h 25mDelta

Thu 4/23:40 pmDAD - IAD

2 stops43h 09mDelta

Deal found 12/17

$1,250

Wed 1/76:45 pmIAD - SGN

2 stops40h 10mUnited Airlines

Wed 1/2111:05 pmSGN - IAD

2 stops34h 12mUnited Airlines

Deal found 12/17

$979

Sat 1/1012:29 pmIAD - PQC

2 stops45h 46mKorean Air

Tue 2/311:45 pmPQC - IAD

1 stop22h 05mKorean Air

Deal found 12/18

$1,435

Wed 1/218:05 pmIAD - CXR

2 stops36h 50mMultiple Airlines

Sat 2/149:30 pmCXR - IAD

2 stops54h 25mMultiple Airlines

Deal found 12/14

$1,107

Mon 3/211:50 amIAD - DAD

1 stop38h 25mDelta

Sat 3/2811:20 pmDAD - IAD

2 stops32h 34mDelta

Deal found 12/17

$1,250

Sat 1/1012:29 pmIAD - PQC

2 stops45h 46mKorean Air

Mon 2/211:45 pmPQC - IAD

1 stop22h 05mKorean Air

Deal found 12/18

$1,435

Sun 4/510:05 pmIAD - SGN

2 stops36h 50mUnited Airlines

Tue 5/57:00 amSGN - IAD

2 stops25h 14mUnited Airlines

Deal found 12/17

$981

Mon 3/211:50 amIAD - DAD

1 stop38h 25mDelta

Thu 4/23:40 pmDAD - IAD

2 stops43h 09mDelta

Deal found 12/17

$1,250

Fri 4/178:20 pmIAD - PQC

2 stops35h 05mMultiple Airlines

Fri 4/242:35 pmPQC - IAD

2 stops53h 05mMultiple Airlines

Deal found 12/16

$1,190

Last-minute flights from Dulles Intl to Vietnam
Discover last-minute flight deals from Dulles Intl to Vietnam. Data last updated December 18, 2025 and is based on user searches.

Mon 1/1210:05 pmIAD - SGN

2 stops36h 50mUnited Airlines

Mon 5/1111:15 pmSGN - IAD

1 stop21h 50mUnited Airlines

Deal found 12/17

$960

Mon 1/125:45 pmIAD - SGN

3 stops41h 10mUnited Airlines

Wed 2/411:05 pmSGN - IAD

1 stop22h 05mUnited Airlines

Deal found 12/17

$964

Wed 1/1412:20 pmIAD - DAD

1 stop36h 50mMultiple Airlines

Wed 2/46:40 pmDAD - IAD

2 stops26h 30mMultiple Airlines

Deal found 12/17

$922

Wed 1/147:30 amIAD - SGN

2 stops26h 55mDelta

Mon 2/211:50 pmSGN - IAD

2 stops24h 02mDelta

Deal found 12/15

$965

Thu 1/156:00 amIAD - SGN

2 stops27h 50mUnited Airlines

Sun 2/1511:05 pmSGN - IAD

2 stops24h 45mUnited Airlines

Deal found 12/17

$970

Thu 1/226:04 pmIAD - SGN

2 stops27h 56mChina Airlines

Sun 2/155:50 pmSGN - IAD

2 stops23h 50mChina Airlines

Deal found 12/17

$967

Sun 1/258:05 pmIAD - SGN

1 stop23h 10mQatar Airways

Thu 3/58:55 amSGN - IAD

1 stop43h 00mQatar Airways

Deal found 12/16

$958

Sun 1/258:05 pmIAD - SGN

1 stop23h 10mQatar Airways

Tue 3/107:00 pmSGN - IAD

2 stops32h 55mQatar Airways

Deal found 12/16

$963

Sun 1/258:05 pmIAD - SGN

2 stops31h 35mQatar Airways

Tue 2/108:55 amSGN - IAD

1 stop35h 25mQatar Airways

Deal found 12/15

$966

Wed 1/288:05 pmIAD - SGN

2 stops55h 35mQatar Airways

Wed 2/188:55 amSGN - IAD

1 stop43h 00mQatar Airways

Deal found 12/18

$971

Fri 1/3010:40 amIAD - SGN

1 stop32h 35mQatar Airways

Sun 3/18:55 amSGN - IAD

1 stop43h 00mQatar Airways

Deal found 12/16

$957

Sat 1/318:05 pmIAD - SGN

1 stop23h 10mQatar Airways

Sun 3/88:55 amSGN - IAD

1 stop43h 00mQatar Airways

Deal found 12/17

$955

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 December 18, 2025.

Wed 1/216:04 pmIAD - HAN

3 stops56h 41mMultiple Airlines

Deal found 12/17

$451

Mon 1/126:00 amIAD - HAN

3 stops55h 45mMultiple Airlines

Deal found 12/17

$475

Fri 2/1310:25 pmIAD - HAN

2 stops36h 40mUnited Airlines

Deal found 12/16

$481

Thu 2/261:30 pmIAD - HAN

2 stops35h 30mIndiGo

Deal found 12/17

$485

Mon 1/267:49 pmIAD - HAN

2 stops37h 56mKorean Air

Deal found 12/17

$490

Wed 1/142:35 pmIAD - DAD

3 stops32h 05mMultiple Airlines

Deal found 12/16

$493

Thu 1/292:35 pmIAD - HAN

3 stops54h 10mMultiple Airlines

Deal found 12/17

$499

Mon 1/2610:50 amIAD - HAN

3 stops35h 15mMultiple Airlines

Deal found 12/17

$501

Thu 2/266:42 pmIAD - HAN

3 stops43h 03mMultiple Airlines

Deal found 12/17

$502

Thu 2/268:05 pmIAD - HAN

1 stop28h 15mQatar Airways

Deal found 12/17

$511

Tue 1/272:35 pmIAD - HAN

3 stops54h 10mMultiple Airlines

Deal found 12/17

$513

Tue 1/139:15 pmIAD - CXR

2 stops36h 45mMultiple Airlines

Deal found 12/17

$516

Find flight deals from Dulles Intl to Vietnam

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$922 (CheapOair)
One-way from	$451 (Kiwi.com)
Popular in	June
Cheapest in	September
Average price	$1,307

Provider with most accurate pricing for Washington, D.C. (WAS)-Ho Chi Minh City flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Ho Chi Minh City flights.

Search Deals

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. 19% potential increase in price ($289 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

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.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Sun 3/8

9:05 pm-7:15 am

1 stop23h 10m

Ho Chi Minh City

Mon 5/25

8:50 pm-4:05 pm

1 stop30h 15m

$955

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 5/11

11:15 pm-10:05 am

1 stop21h 50m

$960

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Tue 3/10

10:05 pm-10:55 pm

2 stops37h 50m

Ho Chi Minh City

Mon 5/25

11:15 pm-10:05 am

1 stop21h 50m

$960

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

Wed 2/4

11:05 pm-9:10 am

1 stop22h 05m

$960

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Sun 4/19

7:50 pm-11:15 pm

2 stops40h 25m

Ho Chi Minh City

Mon 4/27

1:55 pm-9:16 pm

2 stops42h 21m

$965

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Thu 3/12

6:15 am-10:55 pm

2 stops29h 40m

Ho Chi Minh City

Sun 5/24

11:15 pm-10:05 am

1 stop21h 50m

$968

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Wed 3/25

10:05 pm-10:55 pm

2 stops37h 50m

Ho Chi Minh City

Wed 4/15

11:15 pm-4:02 pm

2 stops27h 47m

$970

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Tue 1/20

6:00 pm-10:55 pm

2 stops40h 55m

Ho Chi Minh City

Tue 1/27

11:05 pm-9:10 am

1 stop22h 05m

$975

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Wed 1/7

6:45 pm-10:55 pm

2 stops40h 10m

Ho Chi Minh City

Wed 1/21

11:05 pm-9:17 pm

2 stops34h 12m

$979

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Sun 4/5

10:05 pm-9:55 pm

2 stops36h 50m

Ho Chi Minh City

Tue 5/5

7:00 am-9:14 pm

2 stops25h 14m

$981

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Vietnam (average of $633). Flying from Washington, D.C. Dulles Intl Airport to Vietnam in June is currently the most expensive (average of $1,169). 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 fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 27% versus a flight at noon.

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

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Vietnam flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Vietnam

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

1,030 reviews

Reviews

1 / 20

10.0

Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support

ANA

8.4

Very good

1,030 reviews

ANA

8.4

Very good

1,030 reviews

Reviews

1 / 20

10.0

Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support

Korean Air

8.4

Very good

1,186 reviews

ANA

8.4

Very good

1,030 reviews

Reviews

1 / 20

10.0

Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support

Qatar Airways

7.4

Good

3,686 reviews

ANA

8.4

Very good

1,030 reviews

Reviews

1 / 20

10.0

Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support

United Airlines

7.4

Good

9,093 reviews

ANA

8.4

Very good

1,030 reviews

Reviews

1 / 20

10.0

Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support

Turkish Airlines

7.3

Good

4,105 reviews

ANA

8.4

Very good

1,030 reviews

Reviews

1 / 20

10.0

Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support

Related info for your journey

How long is the flight from Washington, D.C. Dulles Intl Airport to Vietnam?
Qatar Airways, United Airlines, and Delta can get you from Washington, D.C. Dulles Intl Airport to Vietnam in just under 23h 10m. Your travel time can differ by up to 17h 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 Air India. According to our data, you can fly for as low as $423. Users have also found prices from $438 and $440 on Turkish Airlines and Korean Air, 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 - Da Nang and Washington, D.C. Dulles Intl - Hanoi Noibai.
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 $633). Flying from Washington, D.C. Dulles Intl Airport to Vietnam in June is currently the most expensive (average of $1,169). 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

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Top 10 airlines flying from Dulles Intl to Vietnam

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$512	Average$1,727	FlexibilityNo cancel fee	On-time62%
Air Canada	Cheapest$671	Average$1,301	FlexibilityNo cancel fee	On-time67%
Turkish Airlines	Cheapest$768	Average$1,067	FlexibilityNo cancel fee	On-time77%
Air India	Cheapest$789	Average$997	FlexibilityNo cancel fee	On-timeN/A
Etihad Airways	Cheapest$818	Average$1,175	FlexibilityNo cancel fee	On-time75%
Korean Air	Cheapest$819	Average$1,569	FlexibilityNo cancel fee	On-time81%
Delta	Cheapest$863	Average$1,449	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$877	Average$1,564	FlexibilityNo cancel fee	On-time71%
Qatar Airways	Cheapest$887	Average$1,430	FlexibilityNo cancel fee	On-time68%
ANA	Cheapest$906	Average$1,118	FlexibilityNo cancel fee	On-time80%

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$451+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.

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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 December 18, 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 December 18, 2025.

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 December 18, 2025.

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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 December 18, 2025.

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Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Vietnam. Price data was last updated on December 16, 2024.

Reviews of airlines servicing Vietnam

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

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?

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Top 10 airlines flying from Dulles Intl to Vietnam

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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 December 18, 2025.