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$578+ Cheap flights from Dulles Intl (IAD) to Laos

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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — VTE
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Dulles Intl to Laos

Keep the following information in mind while searching for Dulles Intl to Laos flight deals. Data was last updated April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,208
(FlightHub)

One-way from

$578
(Trip.com)
Provider with most accurate pricing for Washington, D.C. (WAS)-Vientiane Wattay flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Vientiane Wattay flights.
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From Washington, D.C. Dulles Intl to Laos
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One-way flight from Washington, D.C. Dulles Intl to Laos
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Find flight deals from Dulles Intl to Laos

Cheapest flights from Dulles Intl to Laos
Explore the most affordable flight options available from Dulles Intl to Laos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This FlightHub deal was found by Cheapflights users on 4/17. 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.
Sun 10/59:00 pmIAD - VTE
2 stops31h 35mMultiple Airlines
Sun 10/1911:35 amVTE - IAD
2 stops39h 35mMultiple Airlines
Deal found 4/17$1,208
This FlightHub deal was found by Cheapflights users on 4/17. 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 10/219:00 pmIAD - LPQ
2 stops28h 05mMultiple Airlines
Thu 10/3012:15 pmLPQ - IAD
2 stops39h 40mMultiple Airlines
Deal found 4/17$1,373
This Austrian Airlines deal was found by Cheapflights users on 4/17. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:25 pmIAD - VTE
2 stops39h 20mAustrian Airlines
Sat 10/188:30 pmVTE - IAD
2 stops29h 05mAustrian Airlines
Deal found 4/17$7,600
This Lufthansa deal was found by Cheapflights users on 4/17. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:40 pmIAD - VTE
2 stops39h 05mLufthansa
Mon 10/201:30 pmVTE - IAD
2 stops36h 35mLufthansa
Deal found 4/17$7,601

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Laos 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 April 17, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Laos that are best for you.

Fly from

Dulles Intl

Fly to

Laos

Route

Depart

Return

Price

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Sun 10/5

9:00 pm-3:35 pm

2 stops31h 35m

Vientiane Wattay

Sun 10/19

11:35 am-4:10 pm

2 stops39h 35m

$1,208

Washington, D.C.Luang Prabang

IAD - LPQ

IADLPQ

Washington, D.C. Dulles Intl

Wed 6/18

10:05 pm-12:05 pm

2 stops51h 00m

Luang Prabang

Sun 6/29

12:45 pm-4:10 pm

2 stops62h 25m

$1,661

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 10/1

5:25 pm-7:45 pm

2 stops39h 20m

Vientiane Wattay

Sat 10/18

8:30 pm-2:35 pm

2 stops29h 05m

$7,600

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 10/1

5:40 pm-7:45 pm

2 stops39h 05m

Vientiane Wattay

Mon 10/20

1:30 pm-3:05 pm

2 stops36h 35m

$7,601

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Sat 5/24

6:50 pm-9:35 pm

2 stops39h 45m

$578

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Best time to book a flight from Dulles Intl to Laos

Have a flexible travel schedule? Discover the best time to fly to Laos 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 Laos

Rainfall in Laos by month

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

In terms of precipitation, rainfall in Laos 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 Laos when rainfall is around 0.4 in.

Temperature in Laos by month

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

If weather is an important factor for your trip to Laos, 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).

Reviews of airlines servicing Laos

Get insights into the airlines that provide service to Laos. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Laos. Reviews last updated April 17, 2025.
Austrian Airlines
7.6
Good
775 reviews

Boarding

7.6

Overall

7.6

Food

6.7

Crew

8.1

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Austrian Airlines
7.6
Good
775 reviews
Austrian Airlines
7.6
Good
775 reviews

Boarding

7.6

Overall

7.6

Food

6.7

Crew

8.1

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Lufthansa
6.7
Okay
7,012 reviews
Austrian Airlines
7.6
Good
775 reviews

Boarding

7.6

Overall

7.6

Food

6.7

Crew

8.1

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

Related info for your journey

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

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Laos?

    While some choose either Washington, D.C. Dulles Intl - Luang Prabang or Washington, D.C. Dulles Intl - Phonsavan Xieng Khouang, Washington, D.C. Dulles Intl - Vientiane Wattay is the most popular route from Washington, D.C. Dulles Intl Airport to Laos.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Laos 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 Laos?

    Currently, June is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Laos (average of $904). Flying from Washington, D.C. Dulles Intl Airport to Laos in May is currently the most expensive (average of $1,575). 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.

See more FAQs

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Alternative routes for Dulles Intl to Laos

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