$319 Find Cheap Flights from Washington to Vietnam - Compare and Save

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 Washington to Vietnam.

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

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 Washington to Vietnam with an airline and back with another airline.

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 Washington to Vietnam up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

There are 20 airports in Vietnam. The busiest airport is Ho Chi Minh City Airport (SGN), with 37% of all flights arriving there.

The cheapest month for flights from Washington to Vietnam is September, when tickets cost $399 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is $870 and $861 respectively.

To get a below average price on the flight from Washington to Vietnam, you should book around 2 weeks before departure, which saves you about 11% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

An average nonstop flight from Washington to Vietnam takes 25h 59m, covering a distance of 7231 miles. The shortest route is Seattle (SEA) to Ho Chi Minh City (SGN) with an average flight time of 19h 20m.

Based on KAYAK flight searches, the most popular destination is Ho Chi Minh City (82% of total searches to Vietnam). The next most popular destinations are Hanoi (17%) and Nha Trang (1%). Searches for flights to Dalat (0%) are also popular.