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Cheap flights from Washington, D.C. Reagan-National Airport to Vietnam from $478

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 1/29. 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

American Airlines Logo
6:45 am - 9:45 pmDCA-SGN
28h 00m2 stops
American Airlines Logo
8:20 am - 12:59 amSGN-DCA
27h 39m2 stops
$877American Airlines
Find Deal
Thu, Sep 25 - Thu, Oct 9
Singapore Airlines Logo
9:30 am - 6:40 pmDCA-SGN
45h 10m2 stops
Singapore Airlines Logo
4:15 pm - 8:55 pmSGN-DCA
40h 40m2 stops
$910Singapore Airlines
Find Deal
Tue, Feb 3 - Tue, Feb 24
Korean Air Logo
8:59 am - 10:25 pmDCA-SGN
26h 26m2 stops
Korean Air Logo
2:05 pm - 5:59 pmSGN-DCA
39h 54m2 stops
$971Korean Air
Find Deal
Wed, Oct 29 - Wed, Dec 3
United Airlines Logo
9:00 am - 12:15 amDCA-SGN
28h 15m2 stops
United Airlines Logo
11:15 pm - 8:51 pmSGN-DCA
32h 36m2 stops
$974United Airlines
Find Deal
Wed, Sep 24 - Wed, Oct 22
Korean Air Logo
5:00 pm - 11:20 pmDCA-SGN
42h 20m2 stops
Korean Air Logo
1:55 pm - 3:07 pmSGN-DCA
36h 12m2 stops
$976Korean Air
Find Deal
Sun, Feb 22 - Sun, Jun 21
United Airlines Logo
7:00 am - 10:55 pmDCA-SGN
27h 55m2 stops
United Airlines Logo
11:05 pm - 11:58 amSGN-DCA
24h 53m2 stops
$978United Airlines
Find Deal
Mon, Dec 8 - Mon, Dec 22
Cathay Pacific Logo
10:55 am - 10:05 amDCA-HAN
36h 10m2 stops
Cathay Pacific Logo
7:25 pm - 11:56 pmHAN-DCA
40h 31m2 stops
$1,060Cathay Pacific
Find Deal
Thu, Oct 30 - Mon, Nov 10
Cathay Pacific Logo
8:30 pm - 10:05 amDCA-HAN
49h 35m2 stops
Cathay Pacific Logo
11:05 am - 9:29 amHAN-DCA
33h 24m2 stops
$1,067Cathay Pacific
Find Deal
Wed, Mar 4 - Wed, Mar 18
Japan Airlines Logo
3:25 pm - 10:30 pmDCA-HAN
43h 05m2 stops
Japan Airlines Logo
11:55 pm - 9:55 pmHAN-DCA
34h 00m2 stops
$1,123Japan Airlines
Find Deal
Sun, Jan 4 - Sun, Jan 25
Japan Airlines Logo
6:50 am - 10:30 pmDCA-HAN
27h 40m2 stops
Japan Airlines Logo
11:55 pm - 6:54 pmHAN-DCA
30h 59m2 stops
$1,165Japan Airlines
Find Deal
Tue, Nov 18 - Tue, Nov 25

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
Jan 18
DCA7:30 pmWashington, D.C. Reagan-National
38h 55m
2 stops
SGN10:25 pmHo Chi Minh City
Feb 18
SGN11:50 pmHo Chi Minh City
33h 23m
2 stops
DCA9:13 pmWashington, D.C. Reagan-National
$925
Find similar
Delta
Nov 17
DCA6:06 amWashington, D.C. Reagan-National
27h 39m
2 stops
HAN9:45 pmHanoi Noibai
Nov 25
HAN11:05 pmHanoi Noibai
35h 36m
2 stops
DCA10:41 pmWashington, D.C. Reagan-National
$933
Find similar
Delta
Nov 16
DCA5:30 pmWashington, D.C. Reagan-National
40h 15m
2 stops
HAN9:45 pmHanoi Noibai
Nov 25
HAN11:05 pmHanoi Noibai
35h 03m
2 stops
DCA10:08 pmWashington, D.C. Reagan-National
$939
Find similar

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

Our best ANA deals on Washington, D.C. Reagan-National Airport to Vietnam flight tickets
ANA
Mar 3
DCA8:30 amWashington, D.C. Reagan-National
27h 45m
2 stops
SGN12:15 amHo Chi Minh City
Mar 26
SGN7:30 amHo Chi Minh City
24h 13m
2 stops
DCA8:43 pmWashington, D.C. Reagan-National
$938
Find similar
ANA
Mar 4
DCA8:30 amWashington, D.C. Reagan-National
26h 35m
2 stops
HAN11:05 pmHanoi Noibai
Mar 17
HAN12:25 amHanoi Noibai
31h 18m
2 stops
DCA8:43 pmWashington, D.C. Reagan-National
$943
Find similar
ANA
Mar 1
DCA2:00 pmWashington, D.C. Reagan-National
45h 05m
2 stops
HAN11:05 pmHanoi Noibai
Mar 13
HAN12:25 amHanoi Noibai
31h 18m
2 stops
DCA8:43 pmWashington, D.C. Reagan-National
$1,005
Find similar

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 September 9, 2025.
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

Thu 9/25

6:45 am-9:45 pm

2 stops28h 00m

Ho Chi Minh City

Thu 10/9

8:20 am-12:59 am

2 stops27h 39m

$877

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Tue 2/3

9:30 am-6:40 pm

2 stops45h 10m

Ho Chi Minh City

Tue 2/24

4:15 pm-8:55 pm

2 stops40h 40m

$910

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Wed 10/29

8:59 am-10:25 pm

2 stops26h 26m

Ho Chi Minh City

Wed 12/3

2:05 pm-5:59 pm

2 stops39h 54m

$971

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Wed 9/24

9:00 am-12:15 am

2 stops28h 15m

Ho Chi Minh City

Wed 10/22

11:15 pm-8:51 pm

2 stops32h 36m

$974

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Sun 2/22

5:00 pm-11:20 pm

2 stops42h 20m

Ho Chi Minh City

Sun 6/21

1:55 pm-3:07 pm

2 stops36h 12m

$976

Washington, D.C.Ho Chi Minh City

DCA - SGN

DCASGN

Washington, D.C. Reagan-National

Mon 12/8

7:00 am-10:55 pm

2 stops27h 55m

Ho Chi Minh City

Mon 12/22

11:05 pm-11:58 am

2 stops24h 53m

$978

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Thu 10/30

10:55 am-10:05 am

2 stops36h 10m

Hanoi Noibai

Mon 11/10

7:25 pm-11:56 pm

2 stops40h 31m

$1,060

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Wed 3/4

8:30 pm-10:05 am

2 stops49h 35m

Hanoi Noibai

Wed 3/18

11:05 am-9:29 am

2 stops33h 24m

$1,067

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Sun 1/4

3:25 pm-10:30 pm

2 stops43h 05m

Hanoi Noibai

Sun 1/25

11:55 pm-9:55 pm

2 stops34h 00m

$1,123

Washington, D.C.Hanoi

DCA - HAN

DCAHAN

Washington, D.C. Reagan-National

Tue 11/18

6:50 am-10:30 pm

2 stops27h 40m

Hanoi Noibai

Tue 11/25

11:55 pm-6:54 pm

2 stops30h 59m

$1,165

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 day to depart on your flight to Vietnam?

According to our data, Monday is the cheapest day to fly to Vietnam from Washington, D.C. Reagan-National Airport. The lowest ticket price found for a Monday departure recently was $1,049. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Vietnam on Tuesday is $1,481.

What is the cheapest time of day to depart on your flight to Vietnam?

Flying to Vietnam from Washington, D.C. Reagan-National Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,088 when looking at flights departing in the morning. In the afternoon is when there is more demand to fly to Vietnam, so prices are often more expensive at around $1,242 per ticket.

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

Direct flights

None
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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  • 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 $893Free CancellationRating
7.4
8,943 reviews
Search United Airlines flights
Cathay PacificPriceFrom $1,078Free CancellationRating
7.6
993 reviews
Search Cathay Pacific flights
Japan AirlinesPriceFrom $1,082Free CancellationRating
8.3
1,559 reviews
Search Japan Airlines flights
Korean AirPriceFrom $1,447Free CancellationRating
8.4
1,139 reviews
Search Korean Air 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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