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Cheap flights from Washington, D.C. Reagan-National Airport to Vietnam from $685

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Vietnam departing on 8/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Vietnam

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:30 am - 9:55 am
DCA
-
SGN
37h 25m
2 stops
Multiple Airlines Logo
3:45 pm - 8:00 pm
SGN
-
DCA
39h 15m
2 stops
$1,247Multiple Airlines
Sun, Sep 20 - Mon, Oct 12
Multiple Airlines Logo
9:30 am - 9:55 am
DCA
-
SGN
61h 25m
2 stops
Multiple Airlines Logo
1:55 am - 8:00 pm
SGN
-
DCA
29h 05m
2 stops
$1,258Multiple Airlines
Sun, Oct 4 - Wed, Oct 28
Cathay Pacific Logo
12:30 pm - 12:20 am
DCA
-
SGN
24h 50m
2 stops
Cathay Pacific Logo
7:35 pm - 10:48 pm
SGN
-
DCA
38h 13m
2 stops
$1,259Cathay Pacific
Tue, Sep 29 - Fri, Oct 30
EVA Air Logo
9:30 am - 10:05 am
DCA
-
SGN
36h 35m
2 stops
EVA Air Logo
1:55 am - 8:00 pm
SGN
-
DCA
30h 05m
2 stops
$1,260EVA Air
Mon, Nov 16 - Mon, Dec 14
Multiple Airlines Logo
9:30 am - 10:00 pm
DCA
-
SGN
48h 30m
2 stops
Multiple Airlines Logo
1:55 am - 8:00 pm
SGN
-
DCA
30h 05m
2 stops
$1,265Multiple Airlines
Wed, Nov 11 - Fri, Dec 11
EVA Air Logo
6:59 pm - 9:55 am
DCA
-
SGN
27h 56m
2 stops
EVA Air Logo
3:45 pm - 8:00 pm
SGN
-
DCA
39h 15m
2 stops
$1,266EVA Air
Tue, Sep 1 - Wed, Sep 30
Multiple Airlines Logo
9:30 am - 2:35 pm
DCA
-
SGN
42h 05m
2 stops
Multiple Airlines Logo
12:20 pm - 8:00 pm
SGN
-
DCA
42h 40m
2 stops
$1,267Multiple Airlines
Tue, Sep 8 - Mon, Oct 5
United Airlines Logo
9:00 am - 11:05 pm
DCA
-
HAN
27h 05m
2 stops
United Airlines Logo
12:25 am - 8:10 pm
HAN
-
DCA
31h 45m
2 stops
$1,271United Airlines
Mon, Oct 26 - Sun, Nov 8
Delta Logo
7:45 am - 9:35 pm
DCA
-
HAN
26h 50m
2 stops
Delta Logo
11:10 pm - 4:40 pm
HAN
-
DCA
28h 30m
2 stops
$1,300Delta
Sat, Aug 15 - Mon, Sep 14
Delta Logo
6:59 am - 11:05 pm
DCA
-
CXR
29h 06m
2 stops
Delta Logo
12:20 am - 10:59 pm
CXR
-
DCA
33h 39m
2 stops
$2,325Delta
Mon, Jul 6 - Mon, Jul 20

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

Our best Cathay Pacific deals on Washington, D.C. Reagan-National Airport to Vietnam flight tickets
Cathay Pacific
Oct 8
DCA12:31 pmWashington, D.C. Reagan-National
34h 24m
2 stops
HAN9:55 amHanoi Noibai
Oct 15
HAN10:55 amHanoi Noibai
24h 03m
2 stops
DCA11:58 pmWashington, D.C. Reagan-National
$1,365
Cathay Pacific
Sep 16
DCA6:58 pmWashington, D.C. Reagan-National
33h 37m
2 stops
HAN3:35 pmHanoi Noibai
Oct 14
HAN7:10 pmHanoi Noibai
39h 48m
2 stops
DCA11:58 pmWashington, D.C. Reagan-National
$1,431
Cathay Pacific
Sep 11
DCA11:31 amWashington, D.C. Reagan-National
41h 04m
2 stops
HAN3:35 pmHanoi Noibai
Oct 15
HAN10:55 amHanoi Noibai
24h 03m
2 stops
DCA11:58 pmWashington, D.C. Reagan-National
$1,481

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

Our best EVA Air deals on Washington, D.C. Reagan-National Airport to Vietnam flight tickets
EVA Air
Aug 11
DCA5:00 pmWashington, D.C. Reagan-National
31h 40m
2 stops
SGN11:40 amHo Chi Minh City
Sep 15
SGN3:45 pmHo Chi Minh City
39h 15m
2 stops
DCA8:00 pmWashington, D.C. Reagan-National
$1,266
EVA Air
Aug 15
DCA6:59 pmWashington, D.C. Reagan-National
27h 56m
2 stops
SGN9:55 amHo Chi Minh City
Sep 15
SGN3:45 pmHo Chi Minh City
39h 15m
2 stops
DCA8:00 pmWashington, D.C. Reagan-National
$1,286
EVA Air
Aug 15
DCA6:59 pmWashington, D.C. Reagan-National
27h 56m
2 stops
SGN9:55 amHo Chi Minh City
Sep 15
SGN3:45 pmHo Chi Minh City
39h 15m
2 stops
DCA8:00 pmWashington, D.C. Reagan-National
$1,304

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Vietnam that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 26, 2026.
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 9/20

9:30 am-9:55 am

2 stops37h 25m

Ho Chi Minh City

Mon 10/12

3:45 pm-8:00 pm

2 stops39h 15m

$1,247

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Sun 10/4

9:30 am-9:55 am

2 stops61h 25m

Ho Chi Minh City

Wed 10/28

1:55 am-8:00 pm

2 stops29h 05m

$1,258

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Tue 9/29

12:30 pm-12:20 am

2 stops24h 50m

Ho Chi Minh City

Fri 10/30

7:35 pm-10:48 pm

2 stops38h 13m

$1,259

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Mon 11/16

9:30 am-10:05 am

2 stops36h 35m

Ho Chi Minh City

Mon 12/14

1:55 am-8:00 pm

2 stops30h 05m

$1,260

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Wed 11/11

9:30 am-10:00 pm

2 stops48h 30m

Ho Chi Minh City

Fri 12/11

1:55 am-8:00 pm

2 stops30h 05m

$1,265

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Tue 9/1

6:59 pm-9:55 am

2 stops27h 56m

Ho Chi Minh City

Wed 9/30

3:45 pm-8:00 pm

2 stops39h 15m

$1,266

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Tue 9/8

9:30 am-2:35 pm

2 stops42h 05m

Ho Chi Minh City

Mon 10/5

12:20 pm-8:00 pm

2 stops42h 40m

$1,267

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Mon 10/26

9:00 am-11:05 pm

2 stops27h 05m

Hanoi Noibai

Sun 11/8

12:25 am-8:10 pm

2 stops31h 45m

$1,271
Quickest round-trip

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Sat 8/15

7:45 am-9:35 pm

2 stops26h 50m

Hanoi Noibai

Mon 9/14

11:10 pm-4:40 pm

2 stops28h 30m

$1,300

Washington, D.C.Nha Trang

DCA - CXR

DCACXR

Washington, D.C. Reagan-National

Mon 7/6

6:59 am-11:05 pm

2 stops29h 06m

Nha Trang Cam Ranh

Mon 7/20

12:20 am-10:59 pm

2 stops33h 39m

$2,325

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Vietnam from

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

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 $970. If you don’t want to visit Vietnam in October, then you should wait until September to fly from Washington, D.C. Reagan-National Airport, when ticket prices are also cheap, with an average price of $974.

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 40m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Vietnam takes 24h 40m
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.
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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?

  • 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 AirlinesPriceFrom $985Free CancellationRating
7.4
9,749 reviews
Search United Airlines flights
DeltaPriceFrom $1,094Free CancellationRating
7.9
8,425 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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