Cheap flights from Washington Dulles to Vientiane

Compare Washington Dulles to Vientiane flight deals

Find the cheapest month or even day of the year to fly to Vientiane

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Flight deals from Washington Dulles Airport to Vientiane Airport

Looking for a cheap last-minute deal or the best return flight from Washington Dulles to Vientiane? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington Dulles to Vientiane

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Vientiane flights are currently cheapest in June.

Washington Dulles to Vientiane: Alternative routes

Compare routes from Washington Dulles to Vientiane below. You may find an airport to fly into that's cheaper, faster, or easier than Vientiane.

Washington D.C. to Vientiane: Flight information

The things to know before you go.
Cheapest flight foundP67,265
Cheapest month to flyJune

Finding cheap flights from Washington Dulles to Vientiane: Frequently asked questions

The best price we found for a return flight from Washington Dulles to Vientiane is P82,299. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Washington Dulles to Vientiane. But we found flights with one or more stops from P82,299.
As of March 2026, there are no flights flying from Washington Dulles to Vientiane.
The cheapest month to fly from Washington Dulles to Vientiane is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Vientiane Airport on Wednesday, 6 May 2026.
No airlines currently offer direct flights between Washington Dulles Airport and Vientiane Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Vientiane but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Vientiane is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Qatar Airways offers the cheapest flight tickets to Vientiane.

Flying from Washington Dulles International Airport (IAD) to Wattay International Airport (VTE): what you need to know

  • The timezone in Vientiane is UTC+7, which is 11 hours ahead of Washington DC.

  • Your IAD to VTE flight won't wait if you're late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • During popular months such as April, you'll want to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead of an international flight whenever you're travelling during peak periods in general.

  • If you'd love to visit a different city along the way, look for a flight with a stopover. To see your options for tickets from Washington Dulles International Airport to Wattay International Airport, uncheck 'Direct flights only.' Incheon International Airport is a well-known stop between IAD and VTE.

How to find the cheapest flights from Washington Dulles International Airport (IAD) to Wattay International Airport (VTE)

  • The cheapest price we've found for a one-way Washington Dulles International Airport to Wattay International Airport flight is P67,265. A round-trip ticket right now is P82,299. Depending on the availability when you book, these fares can change.

  • It's a good idea to book as early as possible if you want to find cheap tickets from IAD to VTE. That's because airlines adjust prices based on demand, which tends to increase closer to the date of departure.

  • The 'Whole month' tool shows you the cheapest flights from Washington Dulles International Airport to Wattay International Airport across each month. It's an easy way to find a bargain if your travel dates aren't set in stone.

  • Picking up cheap flights from IAD to VTE is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you when a new deal comes up.

  • Pick your preferred departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Washington Dulles International Airport to Wattay International Airport.

Handy information about Washington Dulles International Airport (IAD)

  • You'll find IAD at 1 Saarinen Circle.

  • 74.39% of flights departing from Washington Dulles International Airport arrive at their destination on schedule.

  • To get to Washington Dulles International Airport from central Washington DC, it takes around 50 minutes if you're going by car. Of course, this depends on traffic. It's approximately 56 kilometres from the airport to the city centre.

  • The trip on public transport takes about 3 hours 25 minutes.

  • Need a handy hotel near IAD? If you've booked an early flight from Washington Dulles International Airport to Wattay International Airport, these accommodation options will have you sleeping moments from your check-in counter:

Arriving at Wattay International Airport (VTE)

  • If you're landing on a late Washington Dulles International Airport to Wattay International Airport flight, few things top the convenience of being near the terminal. Collect your bags from the carousel and then be showered and relaxing soon after at one of these hotels near VTE:

  • Pick up a Wattay International Airport rental car and explore Vientiane and beyond with your own wheels. Sixt, Avis and Budget are leading providers you can book with here.

  • Lock in the best possible rate by booking your ride from Wattay International Airport about three weeks ahead of your departure.

Getting from Wattay International Airport (VTE) to central Vientiane

  • From Wattay International Airport, Vientiane is approximately 8 kilometres away. It takes around 20 minutes to reach the centre driving.

When to fly to Wattay International Airport (VTE)

  • The quietest month for a flight from Washington Dulles International Airport to Wattay International Airport is February, while August is the most popular. Pick the best time to go to Vientiane based on whether you prefer a more fast-paced or easygoing experience.

  • Lock in your flight from Washington Dulles International Airport to Wattay International Airport for April if you want to go to Vientiane during its warmest month. Expect temperatures of between 23ºC (73ºF) and 42ºC (108ºF).

  • January has average temperatures of between 14ºC (57ºF) and 31ºC (88ºF). Look for cheap tickets from IAD to VTE sometime then if you like travelling in cooler conditions.

Explore more of Laos

  • You've seen Vientiane, now it's time to discover more of Laos. Journey around 467 kilometres south-east to Pakse to check off its top attractions. From Wat Luang to Champasak Historical Heritage Museum and Golden Buddha, you'll have a full itinerary ahead.

  • Thakhek is another must-experience destination in Laos and is around 241 kilometres east of Vientiane. No trip is complete without seeing MAG UXO Visitor Centre, Wat Nabo and Mekong Riverside View Point.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.