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

Departing from Vietnam to Washington, D.C. Dulles Intl Airport will take you 22h 05m. Vietnam and Washington, D.C. Dulles Intl Airport are separated by a distance of 8982 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

Before booking your flight from Vietnam to Washington, D.C. Dulles Intl Airport check out the most popular airlines for this route: Air India, Emirates or Korean Air.

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

Our data shows that February tends to be the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Vietnam. Users have commonly found prices around $1,354 for the month, but tickets can be as low as $977. Due to multiple factors, prepare for potentially higher prices in March.

Can I find deals for flights from Vietnam to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Vietnam to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Vietnam to Dulles Intl.

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

Yes. Cheapflights offers flight deals from Vietnam to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$591+ Cheap Flights from Vietnam to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Vietnam to Dulles Intl

Round-trip from	$944 (United Airlines)
One-way from	$591 (Kiwi.com)
Popular in	March
Cheapest in	February
Average price	$1,172

From Vietnam to Washington, D.C. Dulles Intl

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One-way flight from Vietnam to Washington, D.C. Dulles Intl

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Highest demand for flights based on searches. 5% potential increase in price ($76 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find flight deals from Vietnam to Dulles Intl

Cheapest flights from Vietnam to Dulles Intl
Explore the most affordable flight options available from Vietnam to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Wed 10/296:00 amSGN - IAD

3 stops28h 59mUnited Airlines

Wed 11/510:10 pmIAD - SGN

3 stops36h 45mUnited Airlines

Deal found 9/14

$956

Wed 10/1511:15 pmSGN - IAD

2 stops36h 06mUnited Airlines

Wed 10/227:00 amIAD - SGN

2 stops30h 15mUnited Airlines

Deal found 9/14

$989

Wed 10/811:15 pmSGN - IAD

2 stops32h 40mUnited Airlines

Sat 11/1510:08 pmIAD - SGN

2 stops36h 47mUnited Airlines

Deal found 9/14

$990

Tue 10/711:15 pmSGN - IAD

2 stops36h 06mUnited Airlines

Tue 2/106:04 pmIAD - SGN

2 stops39h 46mUnited Airlines

Deal found 9/15

$1,016

Fri 12/195:00 amSGN - IAD

1 stop25h 30mAir China

Fri 1/210:00 pmIAD - SGN

1 stop39h 10mAir China

Deal found 9/14

$1,044

Tue 11/1112:25 amHAN - IAD

2 stops35h 34mUnited Airlines

Wed 12/36:30 amIAD - HAN

2 stops28h 35mUnited Airlines

Deal found 9/15

$1,067

Wed 10/811:15 pmSGN - IAD

2 stops36h 06mUnited Airlines

Tue 11/1110:08 pmIAD - SGN

2 stops36h 47mUnited Airlines

Deal found 9/15

$1,072

Mon 9/1511:15 pmSGN - IAD

2 stops26h 22mMultiple Airlines

Tue 10/2112:15 pmIAD - SGN

1 stop22h 40mMultiple Airlines

Deal found 9/15

$1,083

Thu 12/182:50 amSGN - IAD

2 stops27h 40mMultiple Airlines

Fri 1/210:00 pmIAD - SGN

1 stop39h 10mMultiple Airlines

Deal found 9/14

$1,091

Wed 11/1212:20 pmHAN - IAD

2 stops23h 32mDelta

Wed 12/36:00 amIAD - HAN

2 stops27h 45mDelta

Deal found 9/15

$1,171

Fri 10/32:50 pmHAN - IAD

3 stops29h 05mEthiopian Air

Fri 10/1010:55 amIAD - HAN

2 stops39h 55mEthiopian Air

Deal found 9/14

$1,349

Wed 11/122:10 pmHAN - IAD

3 stops29h 50mEthiopian Air

Wed 12/310:00 amIAD - HAN

2 stops39h 10mEthiopian Air

Deal found 9/14

$1,354

Best flights from Vietnam to Dulles Intl
Discover carefully curated flight deals from Vietnam to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2025.

Fri 2/1311:05 pmSGN - IAD

1 stop22h 05mUnited Airlines

Tue 2/178:20 amIAD - SGN

2 stops27h 55mUnited Airlines

Deal found 9/14

$944

Fri 10/315:00 amSGN - IAD

1 stop25h 30mAir China

Fri 11/710:00 pmIAD - SGN

1 stop39h 10mAir China

Deal found 9/16

$1,046

Wed 11/1212:20 pmHAN - IAD

2 stops23h 32mDelta

Wed 12/37:15 amIAD - HAN

2 stops26h 30mDelta

Deal found 9/14

$1,171

Wed 2/1811:55 pmHAN - IAD

2 stops42h 00mJapan Airlines

Sun 2/227:00 amIAD - HAN

2 stops27h 30mJapan Airlines

Deal found 9/13

$1,347

Fri 10/32:50 pmHAN - IAD

3 stops29h 05mEthiopian Air

Fri 10/1010:55 amIAD - HAN

2 stops39h 55mEthiopian Air

Deal found 9/14

$1,349

Sun 11/236:00 amSGN - IAD

3 stops29h 59mUnited Airlines

Sun 2/226:00 pmIAD - SGN

2 stops40h 55mUnited Airlines

Deal found 9/16

$956

Wed 10/296:00 amSGN - IAD

3 stops28h 59mUnited Airlines

Wed 11/510:10 pmIAD - SGN

3 stops36h 45mUnited Airlines

Deal found 9/14

$956

Wed 10/1511:15 pmSGN - IAD

2 stops36h 06mUnited Airlines

Wed 10/227:00 amIAD - SGN

2 stops30h 15mUnited Airlines

Deal found 9/14

$989

Sat 2/146:00 amSGN - IAD

3 stops27h 14mUnited Airlines

Sat 2/216:20 amIAD - SGN

2 stops29h 55mUnited Airlines

Deal found 9/15

$1,000

Wed 11/122:10 pmHAN - IAD

3 stops29h 50mEthiopian Air

Wed 12/310:00 amIAD - HAN

2 stops39h 10mEthiopian Air

Deal found 9/14

$1,354

Tue 2/1712:25 amHAN - IAD

2 stops32h 49mUnited Airlines

Sun 2/2210:10 pmIAD - HAN

2 stops36h 55mUnited Airlines

Deal found 9/14

$1,002

Tue 10/711:15 pmSGN - IAD

2 stops36h 06mUnited Airlines

Tue 2/1012:35 pmIAD - SGN

2 stops45h 15mUnited Airlines

Deal found 9/14

$1,016

Last-minute flights from Vietnam to Dulles Intl
Discover last-minute flight deals from Vietnam to Dulles Intl. Data last updated September 16, 2025 and is based on user searches.

Mon 9/1511:15 pmSGN - IAD

2 stops26h 22mMultiple Airlines

Tue 10/2112:15 pmIAD - SGN

1 stop22h 40mMultiple Airlines

Deal found 9/15

$1,083

Thu 10/21:30 amHAN - IAD

1 stop42h 10mEmirates

Fri 10/1010:55 amIAD - HAN

1 stop39h 20mEmirates

Deal found 9/14

$1,532

Fri 10/32:50 pmHAN - IAD

3 stops29h 05mEthiopian Air

Fri 10/1010:55 amIAD - HAN

2 stops39h 55mEthiopian Air

Deal found 9/14

$1,349

Fri 10/38:45 amHAN - IAD

1 stop41h 55mQatar Airways

Fri 10/1011:00 amIAD - HAN

1 stop39h 55mQatar Airways

Deal found 9/14

$1,357

Tue 10/711:15 pmSGN - IAD

2 stops36h 06mUnited Airlines

Tue 2/106:04 pmIAD - SGN

2 stops39h 46mUnited Airlines

Deal found 9/15

$1,016

Tue 10/71:50 amSGN - IAD

2 stops38h 46mEVA Air

Tue 11/116:13 pmIAD - SGN

2 stops29h 22mEVA Air

Deal found 9/15

$1,207

Wed 10/811:15 pmSGN - IAD

2 stops32h 40mUnited Airlines

Sat 11/1510:08 pmIAD - SGN

2 stops36h 47mUnited Airlines

Deal found 9/14

$990

Wed 10/811:15 pmSGN - IAD

2 stops36h 06mUnited Airlines

Tue 11/1110:08 pmIAD - SGN

2 stops36h 47mUnited Airlines

Deal found 9/15

$1,072

Wed 10/1511:15 pmSGN - IAD

2 stops36h 06mUnited Airlines

Wed 10/227:00 amIAD - SGN

2 stops30h 15mUnited Airlines

Deal found 9/14

$989

Wed 10/154:20 pmSGN - IAD

3 stops34h 50mMultiple Airlines

Wed 10/2211:00 amIAD - SGN

3 stops34h 05mMultiple Airlines

Deal found 9/14

$1,276

Wed 10/296:00 amSGN - IAD

3 stops28h 59mUnited Airlines

Wed 11/510:10 pmIAD - SGN

3 stops36h 45mUnited Airlines

Deal found 9/14

$956

Wed 10/297:50 amSGN - IAD

2 stops33h 33mMultiple Airlines

Wed 11/511:05 amIAD - SGN

1 stop22h 45mMultiple Airlines

Deal found 9/14

$1,189

One-way flights from Vietnam to Dulles Intl
Search for one-way flight options from Vietnam to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 16, 2025.

Fri 11/149:00 amHAN - IAD

3 stops50h 55mMultiple Airlines

Deal found 9/15

$591

Sun 11/239:30 amHAN - IAD

3 stops32h 48mMultiple Airlines

Deal found 9/14

$596

Mon 9/291:10 pmHAN - IAD

3 stops38h 00mMultiple Airlines

Deal found 9/16

$625

Sun 3/111:40 pmHAN - IAD

3 stops54h 15mMultiple Airlines

Deal found 9/14

$645

Sun 9/215:30 pmSGN - IAD

2 stops25h 03mMultiple Airlines

Deal found 9/15

$662

Tue 2/247:40 pmSGN - IAD

2 stops56h 10mMultiple Airlines

Deal found 9/14

$663

Thu 2/2611:20 pmSGN - IAD

2 stops31h 10mAir China

Deal found 9/14

$664

Thu 11/131:55 amSGN - IAD

2 stops40h 28mMultiple Airlines

Deal found 9/15

$666

Sat 2/217:40 pmSGN - IAD

2 stops32h 10mMultiple Airlines

Deal found 9/14

$667

Thu 11/132:50 amSGN - IAD

2 stops27h 40mAir China

Deal found 9/15

$668

Sat 9/271:50 amSGN - IAD

2 stops40h 43mMultiple Airlines

Deal found 9/15

$669

Sun 11/231:55 amSGN - IAD

2 stops40h 23mEVA Air

Deal found 9/14

$672

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Ho Chi Minh CityWashington, D.C.

SGN - IAD

SGNIAD

Ho Chi Minh City

Fri 2/13

11:05 pm-9:10 am

1 stop22h 05m

Washington, D.C. Dulles Intl

Tue 2/17

8:20 am-12:15 am

2 stops27h 55m

$944

Ho Chi Minh CityWashington, D.C.

SGN - IAD

SGNIAD

Ho Chi Minh City

Sun 11/23

6:00 am-11:59 pm

3 stops29h 59m

Washington, D.C. Dulles Intl

Sun 2/22

6:00 pm-10:55 pm

2 stops40h 55m

$956

Ho Chi Minh CityWashington, D.C.

SGN - IAD

SGNIAD

Ho Chi Minh City

Wed 10/29

6:00 am-11:59 pm

3 stops28h 59m

Washington, D.C. Dulles Intl

Wed 11/5

10:10 pm-10:55 pm

3 stops36h 45m

$956

Ho Chi Minh CityWashington, D.C.

SGN - IAD

SGNIAD

Ho Chi Minh City

Wed 10/15

11:15 pm-12:21 am

2 stops36h 06m

Washington, D.C. Dulles Intl

Wed 10/22

7:00 am-12:15 am

2 stops30h 15m

$989

Ho Chi Minh CityWashington, D.C.

SGN - IAD

SGNIAD

Ho Chi Minh City

Sat 2/14

6:00 am-9:14 pm

3 stops27h 14m

Washington, D.C. Dulles Intl

Sat 2/21

6:20 am-12:15 am

2 stops29h 55m

$1,000

HanoiWashington, D.C.

HAN - IAD

HANIAD

Hanoi Noibai

Tue 2/17

12:25 am-9:14 pm

2 stops32h 49m

Washington, D.C. Dulles Intl

Sun 2/22

10:10 pm-11:05 pm

2 stops36h 55m

$1,002

Ho Chi Minh CityWashington, D.C.

SGN - IAD

SGNIAD

Ho Chi Minh City

Tue 10/7

11:15 pm-12:21 am

2 stops36h 06m

Washington, D.C. Dulles Intl

Tue 2/10

12:35 pm-9:50 pm

2 stops45h 15m

$1,016

Ho Chi Minh CityWashington, D.C.

SGN - IAD

SGNIAD

Ho Chi Minh City

Fri 10/31

5:00 am-7:30 pm

1 stop25h 30m

Washington, D.C. Dulles Intl

Fri 11/7

10:00 pm-1:10 am

1 stop39h 10m

$1,046

HanoiWashington, D.C.

HAN - IAD

HANIAD

Hanoi Noibai

Tue 11/11

12:25 am-11:59 pm

2 stops35h 34m

Washington, D.C. Dulles Intl

Wed 12/3

10:08 pm-11:05 pm

2 stops36h 57m

$1,067

HanoiWashington, D.C.

HAN - IAD

HANIAD

Hanoi Noibai

Wed 11/12

12:20 pm-11:52 pm

2 stops23h 32m

Washington, D.C. Dulles Intl

Wed 12/3

7:15 am-9:45 pm

2 stops26h 30m

$1,171

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 28 results

Best time to book a flight from Vietnam to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Vietnam 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 Vietnam to Washington, D.C. Dulles Intl Airport

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

Currently, August is the cheapest month in which you can book a flight from Vietnam to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Vietnam to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 VN to IAD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Vietnam to Washington, D.C. Dulles Intl Airport as you normally would.

Reviews of airlines servicing Dulles Intl

Read reviews from past customers who have flown ANA, Korean Air, and Emirates from Vietnam to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated 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

BWI - SFO

ANA japan airlines ground and flight crew are AWESOME! But United Air is not I almost missed my flight as the Kiosk was veey confusing, Online flight confirmation wont work, need to fall in line just to ask 1 simple Question which the Kiosk guy couldn’t answer. And yes passengers missed their flight on that day

ANA

8.4

Very good

961 reviews

ANA

8.4

Very good

961 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Aug 2025

BWI - SFO

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

BWI - SFO

Emirates

8.1

Very good

3,334 reviews

ANA

8.4

Very good

961 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Aug 2025

BWI - SFO

United Airlines

7.4

Good

8,929 reviews

ANA

8.4

Very good

961 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Aug 2025

BWI - SFO

Air India

5.5

Fair

2,930 reviews

ANA

8.4

Very good

961 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Aug 2025

BWI - SFO

Related info for your journey

How long is the flight from Vietnam to Washington, D.C. Dulles Intl Airport?
Departing from Vietnam to Washington, D.C. Dulles Intl Airport will take you 22h 05m. Vietnam and Washington, D.C. Dulles Intl Airport are separated by a distance of 8982 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
Can I find deals for flights from Vietnam to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Vietnam to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Vietnam to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Vietnam to Dulles Intl.
Can I find deals for business class flights from Vietnam to Dulles Intl?
Yes. Cheapflights offers flight deals from Vietnam to Dulles Intl 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 Vietnam to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Vietnam to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Vietnam to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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

Woodbridge

Arlington

Alexandria

Tysons

Silver Spring

Springfield

Gaithersburg

Fredericksburg

Linthicum Heights

Fairfax

Falls Church

Owings Mills

Manassas

Rockville

Hanover

Oxon Hill

Laurel

Towson

National Harbor

Dundalk

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Vietnam to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Air India	Cheapest$981	Average$1,233	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$983	Average$1,221	FlexibilityNo cancel fee	On-time69%
ANA	Cheapest$993	Average$1,357	FlexibilityNo cancel fee	On-time80%
Korean Air	Cheapest$1,156	Average$1,272	FlexibilityNo cancel fee	On-time81%
Emirates	Cheapest$1,556	Average$1,619	FlexibilityNo cancel fee	On-time75%

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$591+ Cheap flights from Vietnam to Dulles Intl (IAD)

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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Vietnam to Dulles Intl with Cheapflights

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3. Compare prices and book

Cheap flight deals from Vietnam to Dulles Intl

Keep the following information in mind while searching for Vietnam to Dulles Intl flight deals. Data was last updated September 16, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Vietnam to Dulles Intl

Cheapest flights from Vietnam to Dulles IntlExplore the most affordable flight options available from Vietnam to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Explore the most affordable flight options available from Vietnam to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Vietnam to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Vietnam with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Vietnam to Washington, D.C. Dulles Intl Airport

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

What is the cheapest time of day to fly from VN to IAD?

Find hourly flight availability from Vietnam to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

Reviews of airlines servicing Dulles Intl

Read reviews from past customers who have flown ANA, Korean Air, and Emirates from Vietnam to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated 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 Vietnam to Dulles Intl. 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 Vietnam to Washington, D.C. Dulles Intl Airport?

Can I find deals for flights from Vietnam to Dulles Intl that include hotel bookings?

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

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

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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 Vietnam to Dulles Intl

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

Top 5 airlines flying from Vietnam to Dulles Intl

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Cheapest flights from Vietnam to Dulles Intl
Explore the most affordable flight options available from Vietnam to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.