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Vientiane

$556+ Cheap flights from Dulles Intl (IAD) to Vientiane (VTE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — VTE
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Dulles Intl to Vientiane

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Vientiane (VTE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$1,252
(FlightHub)

One-way from

$556
(Kiwi.com)
From Washington, D.C. Dulles Intl to Vientiane Wattay
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One-way flight from Washington, D.C. Dulles Intl to Vientiane Wattay
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Find flight deals from Dulles Intl to Vientiane

Cheapest flights from Dulles Intl to Vientiane
Explore the most affordable flight options available from Dulles Intl to Vientiane. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/39:00 pmIAD - VTE
2 stops28h 40mMultiple Airlines
Sun 9/286:40 pmVTE - IAD
2 stops32h 00mMultiple Airlines
Deal found 6/10$1,252

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Vientiane 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, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Vientiane that are best for you.

Fly from

Dulles Intl

Fly to

Vientiane

Route

Depart

Return

Price

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 9/3

9:00 pm-12:40 pm

2 stops28h 40m

Vientiane Wattay

Sun 9/28

6:40 pm-3:40 pm

2 stops32h 00m

$1,252

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 8/19

9:40 pm-5:20 pm

3 stops56h 40m

$556

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Dulles Intl to Vientiane

Have a flexible travel schedule? Discover the best time to fly to Vientiane from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Vientiane

Rainfall in Vientiane by month

Plan your trip to Vientiane by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Vientiane ranges from 0.4 - 4.7 inches per month. July is typically the wettest month, when rainfall can reach 4.7 in. January is typically the driest time to visit Vientiane when rainfall is around 0.4 in.

Temperature in Vientiane by month

Plan your trip to Vientiane by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Vientiane, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 71.6 F).

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Vientiane. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Vientiane from Washington, D.C. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Vientiane, you will be flying into Wattay. Vientiane Wattay (VTE) is just 2.8 mi from the center of the city. Wattay is the only Vientiane airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 0 airlines have flights to Vientiane Wattay from Washington, D.C. Dulles Intl on a regular basis.

  • Can I find deals for flights from Dulles Intl to Vientiane that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Vientiane flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Vientiane?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Vientiane.

  • Can I find deals for business class flights from Dulles Intl to Vientiane?

    Yes. Cheapflights offers flight deals from Dulles Intl to Vientiane by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Vientiane?

    Currently, June is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Vientiane (average of $904). Flying from Washington, D.C. Dulles Intl Airport to Vientiane in May is currently the most expensive (average of $1,449). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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