$582 Find Cheap Flights from Reagan Washington National Airport to Vietnam - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Reagan-National to Vietnam departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Book Cheap Reagan-National to Vietnam Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Reagan-National to Vietnam that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Reagan-National to Vietnam

Tue, Sep 1 - Tue, Oct 13
Delta Logo
7:45 pm - 12:35 pm
DCA
-
SGN
29h 50m
2 stops
Delta Logo
7:30 am - 9:46 pm
SGN
-
DCA
25h 16m
2 stops
$1,075Delta
Mon, Sep 7 - Tue, Sep 29
Delta Logo
9:39 am - 10:10 pm
DCA
-
SGN
25h 31m
2 stops
Delta Logo
7:30 am - 10:38 pm
SGN
-
DCA
26h 08m
2 stops
$1,076Delta
Thu, Oct 8 - Tue, Oct 20
Korean Air Logo
6:00 am - 11:15 pm
DCA
-
SGN
30h 15m
2 stops
Korean Air Logo
1:55 pm - 2:13 pm
SGN
-
DCA
35h 18m
2 stops
$1,081Korean Air
Thu, Sep 3 - Mon, Oct 5
American Airlines Logo
8:26 am - 9:45 pm
DCA
-
SGN
26h 19m
2 stops
American Airlines Logo
11:30 pm - 4:29 pm
SGN
-
DCA
27h 59m
2 stops
$1,083American Airlines
Thu, Sep 3 - Thu, Oct 15
American Airlines Logo
6:59 am - 9:45 pm
DCA
-
SGN
27h 46m
2 stops
American Airlines Logo
8:20 am - 10:55 pm
SGN
-
DCA
25h 35m
2 stops
$1,086American Airlines
Thu, Oct 8 - Thu, Oct 22
Korean Air Logo
10:10 am - 11:15 pm
DCA
-
SGN
26h 05m
2 stops
Korean Air Logo
7:30 am - 4:37 pm
SGN
-
DCA
44h 07m
2 stops
$1,087Korean Air
Tue, Aug 25 - Sun, Oct 25
Multiple Airlines Logo
6:10 am - 5:20 pm
DCA
-
SGN
24h 10m
2 stops
Multiple Airlines Logo
7:35 pm - 10:48 pm
SGN
-
DCA
38h 13m
2 stops
$1,098Multiple Airlines
Mon, Aug 24 - Mon, Aug 31
Multiple Airlines Logo
6:10 am - 6:10 pm
DCA
-
HAN
25h 00m
2 stops
Multiple Airlines Logo
10:25 am - 11:58 pm
HAN
-
DCA
24h 33m
2 stops
$1,181Multiple Airlines
Sun, Sep 20 - Mon, Oct 12
ANA Logo
9:30 am - 10:15 pm
DCA
-
HAN
25h 45m
2 stops
ANA Logo
11:35 pm - 8:09 pm
HAN
-
DCA
31h 34m
2 stops
$1,196ANA
Wed, Sep 23 - Fri, Oct 9
ANA Logo
9:30 am - 10:15 pm
DCA
-
HAN
25h 45m
2 stops
ANA Logo
11:35 pm - 8:09 pm
HAN
-
DCA
31h 34m
2 stops
$1,226ANA
Booking Insights

KAYAK's insights & trends for Reagan-National to Vietnam flights

Get data-powered insights and trends into flights from Reagan-National to Vietnam to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Vietnam?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. Reagan-National Airport to Vietnam, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Washington, D.C. Reagan-National Airport to Vietnam is October, when tickets cost $970 (return) on average. On the other hand, the most expensive months are July and May, when the average cost of round-trip tickets is $1,695 and $1,318 respectively.

Find deals

Good to know

Low seasonMay
Best time to beat the crowds but there is an average 7% increase in price.
Most popular time to fly with an average 3% increase in price.

FAQs - booking Vietnam flights

  • How does KAYAK find such low prices on flights from Reagan Washington National Airport to Vietnam?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Reagan Washington National Airport to Vietnam.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Reagan Washington National Airport to Vietnam?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Reagan Washington National Airport to Vietnam is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Reagan Washington National Airport to Vietnam?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Reagan Washington National Airport to Vietnam with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Reagan Washington National Airport to Vietnam?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Reagan Washington National Airport to Vietnam up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Reagan-National to Vietnam

Information on your arrival and departure airports

Reagan Washington National Airport (DCA)