What is the cheapest airline that flies from Washington, D.C. Reagan-National to Vietnam?

Philippine Airlines is the most popular carrier operating from Washington, D.C. Reagan-National to Vietnam

What airlines fly to Vietnam?

United Airlines, Delta and Cathay Pacific are the top three most popular airlines that fly to Vietnam from Washington, D.C. Reagan-National Airport according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Vietnam. Keep in mind that there are 4 different airlines that fly to Vietnam on a routine basis, so you have a few additional options to choose from.

How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Vietnam?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Vietnam.

What documentation or ID do you need to fly to Vietnam?

The necessary travel and health documents for your Vietnam trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$413 Cheap Flights from Washington, D.C. Reagan-National Airport to Vietnam in 2026

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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Vietnam

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:32 am - 12:20 am

DCA

SGN

27h 48m

2 stops

11:05 am - 3:52 pm

SGN

DCA

39h 47m

2 stops

$953Cathay Pacific

Tue, Apr 14 - Tue, May 5

5:00 pm - 10:15 am

DCA

SGN

30h 15m

2 stops

6:05 pm - 8:00 pm

SGN

DCA

36h 55m

2 stops

$961Multiple Airlines

Mon, Aug 17 - Tue, Sep 1

9:59 am - 4:55 pm

DCA

SGN

43h 56m

2 stops

6:05 pm - 8:00 pm

SGN

DCA

36h 55m

2 stops

$964Multiple Airlines

Wed, Apr 15 - Wed, Apr 22

9:59 am - 4:20 pm

DCA

SGN

43h 21m

2 stops

5:30 pm - 8:00 pm

SGN

DCA

37h 30m

2 stops

$978China Airlines

Mon, Aug 17 - Mon, Aug 31

9:59 am - 10:00 pm

DCA

SGN

49h 01m

2 stops

3:45 pm - 8:06 pm

SGN

DCA

39h 21m

2 stops

$993EVA Air

Tue, Apr 7 - Tue, May 26

9:59 am - 4:50 pm

DCA

HAN

43h 51m

2 stops

12:05 pm - 8:00 pm

HAN

DCA

42h 55m

2 stops

$1,055EVA Air

Tue, Apr 7 - Tue, Apr 14

9:59 am - 10:35 am

DCA

HAN

37h 36m

2 stops

11:35 am - 8:06 pm

HAN

DCA

43h 31m

2 stops

$1,077China Airlines

Tue, May 12 - Fri, Jun 5

5:55 am - 9:50 pm

DCA

HAN

28h 55m

2 stops

11:20 pm - 12:55 pm

HAN

DCA

24h 35m

2 stops

$1,084Japan Airlines

Sun, Apr 12 - Wed, Apr 29

5:55 am - 9:50 pm

DCA

HAN

28h 55m

2 stops

11:20 pm - 12:55 pm

HAN

DCA

24h 35m

2 stops

$1,094Japan Airlines

Sun, Apr 12 - Wed, Apr 29

6:00 am - 11:05 pm

DCA

CXR

30h 05m

2 stops

12:20 am - 5:30 pm

CXR

DCA

28h 10m

2 stops

$1,536Delta

Wed, Apr 15 - Wed, Apr 22

China Airlines flights from Washington, D.C. Reagan-National Airport to Vietnam

Our best China Airlines deals on Washington, D.C. Reagan-National Airport to Vietnam flight tickets

China Airlines

Aug 17

DCA9:59 amWashington, D.C. Reagan-National

43h 21m

2 stops

SGN4:20 pmHo Chi Minh City

Aug 31

SGN10:50 amHo Chi Minh City

44h 10m

2 stops

DCA8:00 pmWashington, D.C. Reagan-National

$978

China Airlines

Apr 16

DCA9:59 amWashington, D.C. Reagan-National

36h 41m

2 stops

SGN9:40 amHo Chi Minh City

Apr 20

SGN10:50 amHo Chi Minh City

44h 10m

2 stops

DCA8:00 pmWashington, D.C. Reagan-National

$1,055

China Airlines

Mar 2

DCA9:59 amWashington, D.C. Reagan-National

42h 51m

2 stops

SGN4:50 pmHo Chi Minh City

Apr 7

SGN5:30 pmHo Chi Minh City

33h 40m

2 stops

DCA4:10 pmWashington, D.C. Reagan-National

$1,074

United Airlines flights from Washington, D.C. Reagan-National Airport to Vietnam

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Vietnam flight tickets

United Airlines

Aug 18

DCA7:50 amWashington, D.C. Reagan-National

27h 25m

2 stops

HAN10:15 pmHanoi Noibai

Aug 25

HAN11:35 pmHanoi Noibai

32h 00m

2 stops

DCA8:35 pmWashington, D.C. Reagan-National

$972

United Airlines

Apr 7

DCA7:00 pmWashington, D.C. Reagan-National

40h 05m

3 stops

SGN10:05 pmHo Chi Minh City

May 26

SGN11:15 pmHo Chi Minh City

34h 00m

2 stops

DCA10:15 pmWashington, D.C. Reagan-National

$1,085

United Airlines

Apr 1

DCA7:59 pmWashington, D.C. Reagan-National

39h 06m

3 stops

SGN10:05 pmHo Chi Minh City

Apr 13

SGN7:00 amHo Chi Minh City

36h 56m

3 stops

DCA8:56 amWashington, D.C. Reagan-National

$1,096

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Tue 4/14

9:32 am-12:20 am

2 stops27h 48m

Ho Chi Minh City

Tue 5/5

11:05 am-3:52 pm

2 stops39h 47m

$953

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Mon 8/17

5:00 pm-10:15 am

2 stops30h 15m

Ho Chi Minh City

Tue 9/1

6:05 pm-8:00 pm

2 stops36h 55m

$961

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Wed 4/15

9:59 am-4:55 pm

2 stops43h 56m

Ho Chi Minh City

Wed 4/22

6:05 pm-8:00 pm

2 stops36h 55m

$964

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Mon 8/17

9:59 am-4:20 pm

2 stops43h 21m

Ho Chi Minh City

Mon 8/31

5:30 pm-8:00 pm

2 stops37h 30m

$978

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Tue 4/7

9:59 am-10:00 pm

2 stops49h 01m

Ho Chi Minh City

Tue 5/26

3:45 pm-8:06 pm

2 stops39h 21m

$993

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Tue 4/7

9:59 am-4:50 pm

2 stops43h 51m

Hanoi Noibai

Tue 4/14

12:05 pm-8:00 pm

2 stops42h 55m

$1,055

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Tue 5/12

9:59 am-10:35 am

2 stops37h 36m

Hanoi Noibai

Fri 6/5

11:35 am-8:06 pm

2 stops43h 31m

$1,077

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Sun 4/12

5:55 am-9:50 pm

2 stops28h 55m

Hanoi Noibai

Wed 4/29

11:20 pm-12:55 pm

2 stops24h 35m

$1,084

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Sun 4/12

5:55 am-9:50 pm

2 stops28h 55m

Hanoi Noibai

Wed 4/29

11:20 pm-12:55 pm

2 stops24h 35m

$1,094

Washington, D.C.Nha Trang

DCA - CXR

DCACXR

Washington, D.C. Reagan-National

Wed 4/15

6:00 am-11:05 pm

2 stops30h 05m

Nha Trang Cam Ranh

Wed 4/22

12:20 am-5:30 pm

2 stops28h 10m

$1,536

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Vietnam

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Vietnam?

The month of October is, on average, the cheapest month to fly to Vietnam from Washington, D.C. Reagan-National Airport, with most prices found around $985. If you don’t want to visit Vietnam in October, then you should wait until April to fly from Washington, D.C. Reagan-National Airport, when ticket prices are also cheap, with an average price of $1,061.

Cheap Washington, D.C. Reagan-National Airport to Vietnam flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Vietnam

Fastest flight time	26h 35m
Direct flights	None

The fastest flight from Washington, D.C. Reagan-National Airport to Vietnam takes 26h 35m

There are no direct flights from Washington, D.C. Reagan-National Airport to Vietnam. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Vietnam.

Search flight deals

When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Vietnam?
Prices for flights from Washington, D.C. Reagan-National Airport to Vietnam were last updated today.
How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Vietnam?
There are 4 operators available for flights from Washington, D.C. Reagan-National Airport to Vietnam as of February 2026.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Vietnam?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Vietnam.
What documentation or ID do you need to fly to Vietnam?
The necessary travel and health documents for your Vietnam trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. Reagan-National Airport to Vietnam

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Vietnam with momondo

Airline	Rating	Free Cancellation	Price
Cathay Pacific	PriceFrom $974	Free Cancellation	Rating 7.6 1,178 reviews	Search Cathay Pacific flights
United Airlines	PriceFrom $981	Free Cancellation	Rating 7.4 9,339 reviews	Search United Airlines flights
Japan Airlines	PriceFrom $1,082	Free Cancellation	Rating 8.3 1,714 reviews	Search Japan Airlines flights
Delta	PriceFrom $1,094	Free Cancellation	Rating 7.9 8,241 reviews	Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Vietnam?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Vietnam for you.

Can I find flights from Washington, D.C. to Vietnam with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Vietnam from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Vietnam?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Vietnam from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Vietnam right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Vietnam from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Popular cities in Vietnam

Flights to Ho Chi Minh Cityfrom $468

Flights to Hanoifrom $514

Flights to Da Nangfrom $541

Flights to Phu Quocfrom $684

Flights to Nha Trangfrom $755

Flights to Dalatfrom $1,165

Flights to Huefrom $1,095

Flights to Con Daofrom $995

Flights to Haiphongfrom $1,056

Flights to Qui Nhon

Flights to Vinh City

Flights to Buon Ma Thuot

Cheap flights from Washington, D.C. Reagan-National Airport to Vietnam from $413

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China Airlines flights from Washington, D.C. Reagan-National Airport to Vietnam

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United Airlines flights from Washington, D.C. Reagan-National Airport to Vietnam

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

See travel insights to Vietnam from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Vietnam

What is the cheapest month to fly to Vietnam?

What is the cheapest airline that flies from Washington, D.C. Reagan-National to Vietnam?

What airlines fly to Vietnam?

Cheap Washington, D.C. Reagan-National Airport to Vietnam flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Vietnam

Fastest flight time

Direct flights

Best airlines flying from Washington, D.C. Reagan-National Airport to Vietnam

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Vietnam with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Vietnam?

Can I find flights from Washington, D.C. to Vietnam with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to Vietnam?

I’m not ready to book a flight from Washington, D.C. to Vietnam right now. Can momondo alert me if prices change?

An easier way to manage your Vietnam trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Vietnam

Popular cities in Vietnam

Popular flights according to clicks in the last 7 days on momondo

Washington, D.C. Reagan-National Airport flight routes

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List of cabin classes available on flights landing in Vietnam. Availability may vary depending on flight origin and airline.

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