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

Delta, United Airlines, and Japan Airlines are the most popular carriers operating from Washington, D.C. Reagan-National to Vietnam

How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Vietnam?

There are 2 operators available for flights from Washington, D.C. Reagan-National Airport to Vietnam as of July 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.

$549 Cheap Flights from Washington, D.C. Reagan-National Airport to Vietnam in 2026

Discover deals from 900+ travel sites with momondo.

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.

8:50 pm - 10:10 pm

DCA

SGN

38h 20m

2 stops

8:00 am - 11:44 pm

SGN

DCA

26h 44m

2 stops

$1,076Delta

Sun, Sep 13 - Mon, Oct 26

9:00 am - 11:20 pm

DCA

SGN

27h 20m

2 stops

11:50 pm - 1:25 pm

SGN

DCA

25h 35m

2 stops

$1,081Korean Air

Tue, Oct 27 - Tue, Nov 10

8:50 pm - 10:10 pm

DCA

SGN

38h 20m

2 stops

8:00 am - 11:00 am

SGN

DCA

38h 00m

2 stops

$1,083Delta

Sun, Sep 13 - Thu, Oct 29

7:15 am - 10:00 pm

DCA

SGN

27h 45m

2 stops

7:50 am - 9:14 pm

SGN

DCA

25h 24m

2 stops

$1,086American Airlines

Wed, Oct 21 - Wed, Nov 18

9:30 am - 10:00 pm

DCA

SGN

49h 30m

2 stops

3:45 pm - 8:00 pm

SGN

DCA

40h 15m

2 stops

$1,106Multiple Airlines

Tue, Oct 27 - Tue, Nov 10

9:30 am - 11:35 am

DCA

SGN

38h 05m

2 stops

1:55 am - 8:00 pm

SGN

DCA

30h 05m

2 stops

$1,115Multiple Airlines

Mon, Jan 18 - Tue, Feb 16

7:15 am - 9:50 pm

DCA

HAN

27h 35m

2 stops

11:55 pm - 9:29 pm

HAN

DCA

32h 34m

2 stops

$1,203American Airlines

Wed, Oct 21 - Wed, Oct 28

8:20 am - 9:55 am

DCA

HAN

38h 35m

2 stops

11:05 am - 8:59 pm

HAN

DCA

44h 54m

2 stops

$1,226Cathay Pacific

Thu, Oct 22 - Sun, Nov 1

6:59 pm - 6:30 pm

DCA

HAN

35h 31m

2 stops

7:30 pm - 7:59 pm

HAN

DCA

36h 29m

2 stops

$1,249Cathay Pacific

Tue, Nov 3 - Mon, Nov 16

8:30 am - 11:05 pm

DCA

HAN

26h 35m

2 stops

12:25 am - 7:33 pm

HAN

DCA

31h 08m

2 stops

$1,261United Airlines

Tue, Nov 17 - Wed, Nov 25

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

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

Delta

Sep 13

DCA8:50 pmWashington, D.C. Reagan-National

38h 20m

2 stops

SGN10:10 pmHo Chi Minh City

Oct 26

SGN8:00 amHo Chi Minh City

26h 44m

2 stops

DCA11:44 pmWashington, D.C. Reagan-National

$1,076

Delta

Sep 13

DCA8:50 pmWashington, D.C. Reagan-National

38h 20m

2 stops

SGN10:10 pmHo Chi Minh City

Oct 29

SGN8:00 amHo Chi Minh City

38h 00m

2 stops

DCA11:00 amWashington, D.C. Reagan-National

$1,083

Delta

Sep 12

DCA9:40 amWashington, D.C. Reagan-National

25h 30m

2 stops

SGN10:10 pmHo Chi Minh City

Oct 25

SGN2:05 pmHo Chi Minh City

44h 40m

2 stops

DCA11:45 pmWashington, D.C. Reagan-National

$1,119

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

Sep 11

DCA9:30 amWashington, D.C. Reagan-National

25h 25m

2 stops

SGN9:55 pmHo Chi Minh City

Sep 27

SGN11:15 pmHo Chi Minh City

31h 54m

2 stops

DCA8:09 pmWashington, D.C. Reagan-National

$1,167

United Airlines

Aug 19

DCA8:20 amWashington, D.C. Reagan-National

26h 35m

2 stops

SGN9:55 pmHo Chi Minh City

Aug 26

SGN7:00 amHo Chi Minh City

26h 30m

2 stops

DCA10:30 pmWashington, D.C. Reagan-National

$1,168

United Airlines

Jul 29

DCA8:30 amWashington, D.C. Reagan-National

28h 45m

2 stops

SGN12:15 amHo Chi Minh City

Aug 19

SGN11:15 pmHo Chi Minh City

31h 54m

2 stops

DCA8:09 pmWashington, D.C. Reagan-National

$1,170

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

Cheapest round-trip

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Sun 9/13

8:50 pm-10:10 pm

2 stops38h 20m

Ho Chi Minh City

Mon 10/26

8:00 am-11:44 pm

2 stops26h 44m

$1,076

Quickest round-trip

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Tue 10/27

9:00 am-11:20 pm

2 stops27h 20m

Ho Chi Minh City

Tue 11/10

11:50 pm-1:25 pm

2 stops25h 35m

$1,081

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Sun 9/13

8:50 pm-10:10 pm

2 stops38h 20m

Ho Chi Minh City

Thu 10/29

8:00 am-11:00 am

2 stops38h 00m

$1,083

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Wed 10/21

7:15 am-10:00 pm

2 stops27h 45m

Ho Chi Minh City

Wed 11/18

7:50 am-9:14 pm

2 stops25h 24m

$1,086

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Tue 10/27

9:30 am-10:00 pm

2 stops49h 30m

Ho Chi Minh City

Tue 11/10

3:45 pm-8:00 pm

2 stops40h 15m

$1,106

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Mon 1/18

9:30 am-11:35 am

2 stops38h 05m

Ho Chi Minh City

Tue 2/16

1:55 am-8:00 pm

2 stops30h 05m

$1,115

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Wed 10/21

7:15 am-9:50 pm

2 stops27h 35m

Hanoi Noibai

Wed 10/28

11:55 pm-9:29 pm

2 stops32h 34m

$1,203

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Thu 10/22

8:20 am-9:55 am

2 stops38h 35m

Hanoi Noibai

Sun 11/1

11:05 am-8:59 pm

2 stops44h 54m

$1,226

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Tue 11/3

6:59 pm-6:30 pm

2 stops35h 31m

Hanoi Noibai

Mon 11/16

7:30 pm-7:59 pm

2 stops36h 29m

$1,249

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Tue 11/17

8:30 am-11:05 pm

2 stops26h 35m

Hanoi Noibai

Wed 11/25

12:25 am-7:33 pm

2 stops31h 08m

$1,261

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 $1,065.

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	24h 10m
Direct flights	None

The fastest flight from Washington, D.C. Reagan-National Airport to Vietnam takes 24h 10m

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

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Vietnam

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 2 operators available for flights from Washington, D.C. Reagan-National Airport to Vietnam as of July 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
United Airlines	PriceFrom $985	Free Cancellation	Rating 7.4 10,024 reviews		Search United Airlines flights
Delta	PriceFrom $1,094	Free Cancellation	Rating 7.8 8,479 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 $622

Flights to Hanoifrom $671

Flights to Da Nangfrom $724

Flights to Phu Quocfrom $784

Flights to Nha Trangfrom $939

Flights to Huefrom $1,208

Flights to Dalatfrom $1,081

Flights to Con Daofrom $1,031

Flights to Qui Nhon

Flights to Vinh City

Flights to Buon Ma Thuot

Flights to Haiphongfrom $1,079

Cheap flights from Washington, D.C. Reagan-National Airport to Vietnam from $549

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

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

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

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.

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?

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Vietnam

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?

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

According to popular flight searches on momondo this year

Vietnam flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Vietnam

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Cabin classes currently available on flights to Vietnam

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

Complete your trip to Vietnam

Explore popular destinations other users love

According to popular flight searches on momondo this year