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Vientiane

$1,104+ Cheap flights from Dulles Intl (IAD) to Vientiane (VTE)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — VTE
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
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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 December 21, 2025.

This Justfly.com deal was found by Cheapflights users on 12/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:05 pmIAD - VTE
2 stops37h 45mMultiple Airlines
Thu 1/222:50 pmVTE - IAD
2 stops37h 05mMultiple Airlines
Deal found 12/21$1,956
This Booking.com deal was found by Cheapflights users on 12/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:05 pmIAD - VTE
2 stops33h 35mMultiple Airlines
Thu 1/2211:35 amVTE - IAD
3 stops32h 45mMultiple Airlines
Deal found 12/21$1,974
This Trip.com deal was found by Cheapflights users on 12/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/262:35 pmIAD - VTE
2 stops58h 30mMultiple Airlines
Thu 1/228:30 pmVTE - IAD
2 stops48h 35mMultiple Airlines
Deal found 12/21$2,133
This FlightHub deal was found by Cheapflights users on 12/19. 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.
Fri 12/268:05 pmIAD - VTE
2 stops29h 00mMultiple Airlines
Sun 1/182:50 pmVTE - IAD
2 stops61h 05mMultiple Airlines
Deal found 12/19$2,384
This Justfly.com deal was found by Cheapflights users on 12/18. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:05 pmIAD - VTE
2 stops33h 35mMultiple Airlines
Sat 1/172:50 pmVTE - IAD
2 stops61h 05mMultiple Airlines
Deal found 12/18$2,513

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 December 21, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$1,074
(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
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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 December 21, 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 4/29

8:20 pm-7:15 pm

3 stops35h 55m

Vientiane Wattay

Mon 5/25

11:30 am-8:40 am

3 stops32h 10m

$1,104

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 5/6

8:20 pm-7:15 pm

3 stops35h 55m

Vientiane Wattay

Mon 5/25

1:30 pm-8:40 am

2 stops30h 10m

$1,106

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Mon 4/13

8:20 pm-7:15 pm

3 stops35h 55m

Vientiane Wattay

Mon 4/20

8:30 pm-4:05 pm

2 stops30h 35m

$1,106

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 4/14

8:20 pm-3:35 pm

3 stops32h 15m

Vientiane Wattay

Mon 4/20

8:30 pm-4:05 pm

2 stops30h 35m

$1,106

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Sun 4/12

11:05 am-9:50 pm

2 stops23h 45m

Vientiane Wattay

Mon 4/20

8:30 pm-4:05 pm

2 stops30h 35m

$1,134

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 5/5

11:00 am-9:50 pm

2 stops23h 50m

Vientiane Wattay

Mon 5/25

8:30 pm-4:05 pm

2 stops30h 35m

$1,134

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 2/4

8:05 pm-9:50 pm

2 stops37h 45m

Vientiane Wattay

Wed 2/11

1:55 pm-3:55 pm

2 stops38h 00m

$1,172

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 4/15

11:00 am-9:50 pm

2 stops23h 50m

Vientiane Wattay

Tue 4/21

2:30 pm-8:40 am

2 stops29h 10m

$1,179

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Mon 4/13

8:20 pm-10:45 am

2 stops27h 25m

Vientiane Wattay

Sun 4/19

8:30 pm-4:05 pm

2 stops30h 35m

$1,246

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*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 Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Washington, D.C. Dulles Intl Airport-Vientiane flight deals on Cheapflights vs. Justfly.com >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 Justfly.com the most. Justfly.com 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

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