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Cheap flights from Washington, D.C. Dulles Intl Airport to Vietnam from $465

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. Dulles Intl Airport to Vietnam departing on 3/1. 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. Dulles Intl Airport to Vietnam

Cheap round-trip flights

Enter your travel dates to find the best prices.
Korean Air Logo
11:50 am - 11:10 amIAD-HAN
35h 20m1 stop
Korean Air Logo
11:05 pm - 9:50 amHAN-IAD
22h 45m1 stop
$825Korean Air
Find Deal
Sun, Nov 23 - Sun, Dec 7
Korean Air Logo
11:50 am - 9:45 pmIAD-HAN
21h 55m1 stop
Korean Air Logo
12:20 pm - 9:50 amHAN-IAD
33h 30m1 stop
$855Korean Air
Find Deal
Wed, Nov 26 - Sun, Dec 7
Turkish Airlines Logo
9:15 pm - 4:55 amIAD-SGN
43h 40m1 stop
Turkish Airlines Logo
6:35 am - 7:20 pmSGN-IAD
24h 45m1 stop
$899Turkish Airlines
Find Deal
Thu, Dec 4 - Tue, Dec 30
United Airlines Logo
10:05 pm - 10:55 pmIAD-SGN
36h 50m2 stops
United Airlines Logo
11:05 pm - 9:10 amSGN-IAD
22h 05m1 stop
$900United Airlines
Find Deal
Sun, Jan 11 - Wed, Jan 28
Qatar Airways Logo
9:00 pm - 1:50 pmIAD-SGN
29h 50m1 stop
Qatar Airways Logo
8:00 pm - 3:40 pmSGN-IAD
30h 40m1 stop
$901Qatar Airways
Find Deal
Sun, Apr 26 - Tue, Jun 2
Qatar Airways Logo
10:40 am - 7:45 pmIAD-HAN
21h 05m1 stop
Qatar Airways Logo
1:45 am - 4:55 pmHAN-IAD
26h 10m1 stop
$903Qatar Airways
Find Deal
Wed, Feb 25 - Tue, Mar 10
ANA Logo
12:10 pm - 9:55 pmIAD-SGN
22h 45m1 stop
ANA Logo
11:15 pm - 10:05 amSGN-IAD
21h 50m1 stop
$904ANA
Find Deal
Tue, Apr 21 - Wed, Jun 17
Turkish Airlines Logo
9:15 pm - 4:55 amIAD-SGN
43h 40m1 stop
Turkish Airlines Logo
6:35 am - 11:45 amSGN-IAD
41h 10m1 stop
$906Turkish Airlines
Find Deal
Thu, Jan 8 - Thu, Jan 29
United Airlines Logo
12:15 pm - 9:50 pmIAD-SGN
22h 35m1 stop
United Airlines Logo
7:00 am - 9:05 pmSGN-IAD
25h 05m2 stops
$909United Airlines
Find Deal
Mon, Mar 16 - Mon, Apr 13
ANA Logo
11:10 am - 9:50 pmIAD-SGN
22h 40m1 stop
ANA Logo
11:05 pm - 4:00 pmSGN-IAD
28h 55m2 stops
$916ANA
Find Deal
Wed, Nov 26 - Mon, Dec 15

United Airlines flights from Washington, D.C. Dulles Intl Airport to Vietnam

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Vietnam flight tickets
United Airlines
Jan 11
IAD10:05 pmWashington, D.C. Dulles Intl
36h 50m
2 stops
SGN10:55 pmHo Chi Minh City
Jan 28
SGN11:05 pmHo Chi Minh City
22h 05m
1 stop
IAD9:10 amWashington, D.C. Dulles Intl
$900
Find similar
United Airlines
Mar 16
IAD12:15 pmWashington, D.C. Dulles Intl
22h 35m
1 stop
SGN9:50 pmHo Chi Minh City
Apr 13
SGN7:00 amHo Chi Minh City
25h 05m
2 stops
IAD9:05 pmWashington, D.C. Dulles Intl
$909
Find similar
United Airlines
Jan 11
IAD10:05 pmWashington, D.C. Dulles Intl
36h 50m
2 stops
SGN10:55 pmHo Chi Minh City
Jan 28
SGN11:05 pmHo Chi Minh City
24h 41m
2 stops
IAD11:46 amWashington, D.C. Dulles Intl
$910
Find similar

Qatar Airways flights from Washington, D.C. Dulles Intl Airport to Vietnam

Our best Qatar Airways deals on Washington, D.C. Dulles Intl Airport to Vietnam flight tickets
Qatar Airways
Apr 26
IAD9:00 pmWashington, D.C. Dulles Intl
29h 50m
1 stop
SGN1:50 pmHo Chi Minh City
Jun 2
SGN8:00 pmHo Chi Minh City
30h 40m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
$901
Find similar
Qatar Airways
Apr 16
IAD9:00 pmWashington, D.C. Dulles Intl
23h 40m
1 stop
SGN7:40 amHo Chi Minh City
May 14
SGN9:20 amHo Chi Minh City
41h 20m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
$903
Find similar
Qatar Airways
Nov 12
IAD10:40 amWashington, D.C. Dulles Intl
21h 05m
1 stop
HAN7:45 pmHanoi Noibai
Dec 18
HAN7:10 pmHanoi Noibai
25h 10m
1 stop
IAD8:20 amWashington, D.C. Dulles Intl
$905
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl 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 October 30, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Vietnam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Sun 11/23

11:50 am-11:10 am

1 stop35h 20m

Hanoi Noibai

Sun 12/7

11:05 pm-9:50 am

1 stop22h 45m

$825

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 11/26

11:50 am-9:45 pm

1 stop21h 55m

Hanoi Noibai

Sun 12/7

12:20 pm-9:50 am

1 stop33h 30m

$855

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Thu 12/4

9:15 pm-4:55 am

1 stop43h 40m

Ho Chi Minh City

Tue 12/30

6:35 am-7:20 pm

1 stop24h 45m

$899

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Sun 1/11

10:05 pm-10:55 pm

2 stops36h 50m

Ho Chi Minh City

Wed 1/28

11:05 pm-9:10 am

1 stop22h 05m

$900

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Sun 4/26

9:00 pm-1:50 pm

1 stop29h 50m

Ho Chi Minh City

Tue 6/2

8:00 pm-3:40 pm

1 stop30h 40m

$901

Washington, D.C.Hanoi

IAD - HAN

IADHAN

Washington, D.C. Dulles Intl

Wed 2/25

10:40 am-7:45 pm

1 stop21h 05m

Hanoi Noibai

Tue 3/10

1:45 am-4:55 pm

1 stop26h 10m

$903

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Tue 4/21

12:10 pm-9:55 pm

1 stop22h 45m

Ho Chi Minh City

Wed 6/17

11:15 pm-10:05 am

1 stop21h 50m

$904

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Thu 1/8

9:15 pm-4:55 am

1 stop43h 40m

Ho Chi Minh City

Thu 1/29

6:35 am-11:45 am

1 stop41h 10m

$906

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Mon 3/16

12:15 pm-9:50 pm

1 stop22h 35m

Ho Chi Minh City

Mon 4/13

7:00 am-9:05 pm

2 stops25h 05m

$909

Washington, D.C.Ho Chi Minh City

IAD - SGN

IADSGN

Washington, D.C. Dulles Intl

Wed 11/26

11:10 am-9:50 pm

1 stop22h 40m

Ho Chi Minh City

Mon 12/15

11:05 pm-4:00 pm

2 stops28h 55m

$916

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. Dulles Intl 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 April is, on average, the cheapest month to fly to Vietnam from Washington, D.C. Dulles Intl Airport, with most prices found around $969. If you don’t want to visit Vietnam in April, then you should wait until September to fly from Washington, D.C. Dulles Intl Airport, when ticket prices are also cheap, with an average price of $983.

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

According to our data, Tuesday is the cheapest day to fly to Vietnam from Washington, D.C. Dulles Intl Airport. The lowest ticket price found for a Tuesday departure recently was $1,178. 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 Saturday as prices are generally higher than usual. According to our data, the average ticket price to Vietnam on Saturday is $1,360.

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

Flying to Vietnam from Washington, D.C. Dulles Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,220 when looking at flights departing in the evening. At noon is when there is more demand to fly to Vietnam, so prices are often more expensive at around $1,525 per ticket.

How far in advance should I book a flight to Vietnam?

You are more likely to see cheaper flights to Vietnam from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Vietnam for around $1,225 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Vietnam from Washington, D.C. Dulles Intl Airport for as low as $1,086 on momondo.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Vietnam flights?

You could potentially save up to 10% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Vietnam flight.

Cheap Washington, D.C. Dulles Intl Airport to Vietnam flight deals and tips

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

Direct flights

None
There are no direct flights from Washington, D.C. Dulles Intl Airport to Vietnam. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Vietnam.
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  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Vietnam?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Vietnam are updated daily.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Vietnam?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Vietnam?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Vietnam.

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

    The travel and health documents required for your trip to Vietnam can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Vietnam. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Washington, D.C. Dulles Intl Airport to Vietnam

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Vietnam with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $773Free CancellationRating
7.3
4,033 reviews
Search Turkish Airlines flights
Air IndiaPriceFrom $789Free CancellationRating
5.5
2,940 reviews
Search Air India flights
Korean AirPriceFrom $819Free CancellationRating
8.4
1,155 reviews
Search Korean Air flights
American AirlinesPriceFrom $877Free CancellationRating
7.2
11,034 reviews
Search American Airlines flights
Qatar AirwaysPriceFrom $887Free CancellationRating
7.4
3,661 reviews
Search Qatar Airways flights
ANAPriceFrom $903Free CancellationRating
8.4
998 reviews
Search ANA flights
Singapore AirlinesPriceFrom $912Free CancellationRating
8.1
1,388 reviews
Search Singapore Airlines flights
China AirlinesPriceFrom $915Free CancellationRating
8.3
776 reviews
Search China Airlines flights
United AirlinesPriceFrom $941Free CancellationRating
7.4
8,996 reviews
Search United Airlines flights
EVA AirPriceFrom $996Free CancellationRating
8.4
1,268 reviews
Search EVA Air flights

Why use momondo?

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

It is quick and easy to find Washington, D.C. to Vietnam flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Vietnam that suits you.

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

Yes. All flights to Vietnam from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Washington, D.C. and Vietnam by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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 can track prices for Washington, D.C. to Vietnam flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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