HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Vientiane

$650+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — VTE
Jun 5 — Jun 121
Fri 6/5
Fri 6/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Vientiane with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 May 6, 2026.

This FlightHub deal was found by Cheapflights users on 5/2. 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.
Tue 10/278:05 pm
IAD
-
VTE
2 stops36h 40m
Multiple Airlines
Tue 11/178:30 pm
VTE
-
IAD
2 stops31h 25m
Multiple Airlines
Deal found 5/2$1,224
This Gotogate deal was found by Cheapflights users on 5/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:05 pm
IAD
-
VTE
3 stops34h 50m
Multiple Airlines
Thu 11/261:55 pm
VTE
-
IAD
2 stops30h 25m
Multiple Airlines
Deal found 5/5$1,374
This FlightHub deal was found by Cheapflights users on 5/3. 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 6/33:10 pm
IAD
-
VTE
2 stops41h 35m
Multiple Airlines
Tue 7/141:30 pm
VTE
-
IAD
2 stops55h 15m
Multiple Airlines
Deal found 5/3$1,494
This FlightHub deal was found by Cheapflights users on 5/2. 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.
Tue 6/23:10 pm
IAD
-
VTE
2 stops34h 30m
Multiple Airlines
Thu 7/98:30 pm
VTE
-
IAD
2 stops48h 15m
Multiple Airlines
Deal found 5/2$1,516
This FlightHub deal was found by Cheapflights users on 5/4. 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.
Mon 8/311:50 am
IAD
-
VTE
2 stops30h 55m
Multiple Airlines
Sat 9/57:20 am
VTE
-
IAD
2 stops25h 40m
Multiple Airlines
Deal found 5/4$1,549
This FlightHub deal was found by Cheapflights users on 5/1. 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.
Sat 5/303:10 pm
IAD
-
VTE
2 stops34h 30m
Multiple Airlines
Sat 6/68:30 pm
VTE
-
IAD
2 stops48h 15m
Multiple Airlines
Deal found 5/1$1,610

Find 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 May 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,224
(FlightHub)

One-way from

$650
(Trip.com)
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Vientiane Wattay flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Vientiane Wattay flights.
Search Deals
From Washington, D.C. Dulles Intl to Vientiane Wattay
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Vientiane Wattay
Search Deals

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 May 6, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 10/27

8:05 pm-6:55 pm

3 stops35h 50m

Vientiane Wattay

Tue 11/17

1:55 pm-8:20 am

2 stops30h 25m

$1,412

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Sat 5/30

9:00 pm-7:35 pm

3 stops35h 35m

Vientiane Wattay

Sat 6/6

1:10 pm-6:20 pm

2 stops40h 10m

$1,659

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 6/3

9:00 pm-7:35 pm

3 stops35h 35m

Vientiane Wattay

Tue 7/14

2:30 pm-3:40 pm

2 stops36h 10m

$1,740

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 6/2

9:00 pm-5:20 pm

2 stops33h 20m

Vientiane Wattay

Thu 7/9

11:20 am-3:40 pm

3 stops39h 20m

$1,740

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 9/1

9:00 pm-7:35 pm

3 stops35h 35m

Vientiane Wattay

Sat 9/5

11:20 am-3:40 pm

3 stops39h 20m

$1,760

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Mon 6/8

9:00 pm-7:35 pm

3 stops35h 35m

Vientiane Wattay

Mon 9/7

7:20 am-8:45 am

2 stops36h 25m

$1,775
Cheapest one-way

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Mon 7/27

3:10 pm-12:40 pm

2 stops34h 30m

$681

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 8/18

9:00 pm-7:35 pm

3 stops35h 35m

$851

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Sun 5/31

9:00 pm-10:10 pm

2 stops38h 10m

$961

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Thu 5/21

9:00 pm-10:10 pm

2 stops38h 10m

$961

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Compare providers for flights from Dulles Intl to Vientiane

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Vientiane in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Vientiane flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Vientiane flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Vientiane flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Vientiane flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Vientiane flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Vientiane

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Vientiane flights
Baltimore to Vientiane flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights