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Cheap flights from Washington, D.C. to Vientiane from $618

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Vientiane departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Washington, D.C. to Vientiane

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:05 pm - 11:00 am
IAD
-
VTE
33h 55m
2 stops
Multiple Airlines Logo
6:20 pm - 9:45 am
VTE
-
IAD
50h 25m
2 stops
$1,101Multiple Airlines
Mon, Apr 20 - Mon, May 11
Multiple Airlines Logo
3:10 pm - 7:45 pm
IAD
-
VTE
41h 35m
2 stops
Multiple Airlines Logo
8:30 pm - 10:05 am
VTE
-
IAD
48h 35m
2 stops
$1,187Multiple Airlines
Thu, Oct 1 - Fri, Oct 30
Multiple Airlines Logo
9:00 pm - 10:10 pm
IAD
-
VTE
38h 10m
2 stops
Multiple Airlines Logo
7:20 am - 6:10 pm
VTE
-
IAD
45h 50m
2 stops
$1,200Multiple Airlines
Fri, May 8 - Fri, May 15
Multiple Airlines Logo
3:10 pm - 11:00 am
IAD
-
VTE
32h 50m
2 stops
Multiple Airlines Logo
7:20 am - 9:45 am
VTE
-
IAD
37h 25m
2 stops
$1,257Multiple Airlines
Thu, Oct 1 - Mon, Oct 12
Multiple Airlines Logo
3:10 pm - 10:10 pm
IAD
-
VTE
44h 00m
2 stops
Multiple Airlines Logo
6:20 pm - 9:45 am
VTE
-
IAD
50h 25m
2 stops
$1,288Multiple Airlines
Mon, Jun 8 - Mon, Jun 29
Multiple Airlines Logo
1:15 am - 7:45 pm
IAD
-
VTE
31h 30m
2 stops
Multiple Airlines Logo
8:30 pm - 10:00 pm
VTE
-
IAD
36h 30m
2 stops
$1,316Multiple Airlines
Sat, Sep 5 - Sun, Sep 13
Multiple Airlines Logo
3:10 pm - 11:00 am
IAD
-
VTE
32h 50m
2 stops
Multiple Airlines Logo
7:20 am - 9:45 am
VTE
-
IAD
37h 25m
2 stops
$1,349Multiple Airlines
Fri, May 15 - Fri, May 29
Multiple Airlines Logo
9:00 pm - 11:00 am
IAD
-
VTE
27h 00m
2 stops
Multiple Airlines Logo
11:20 am - 6:10 pm
VTE
-
IAD
41h 50m
3 stops
$1,358Multiple Airlines
Fri, May 8 - Fri, May 15
Multiple Airlines Logo
9:00 pm - 11:00 am
IAD
-
VTE
27h 00m
2 stops
Multiple Airlines Logo
11:35 am - 4:55 pm
VTE
-
IAD
40h 20m
3 stops
$1,364Multiple Airlines
Thu, Oct 1 - Fri, Oct 30
Multiple Airlines Logo
9:00 pm - 11:00 am
IAD
-
VTE
27h 00m
2 stops
Multiple Airlines Logo
11:20 am - 6:10 pm
VTE
-
IAD
41h 50m
3 stops
$1,387Multiple Airlines
Mon, Apr 20 - Mon, May 11

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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, momondo users made 832,500 searches. Data last updated April 8, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Vientiane that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Mon 4/20

2:05 pm-11:00 am

2 stops33h 55m

Vientiane Wattay

Mon 5/11

6:20 pm-9:45 am

2 stops50h 25m

$1,101

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Thu 10/1

3:10 pm-7:45 pm

2 stops41h 35m

Vientiane Wattay

Fri 10/30

8:30 pm-10:05 am

2 stops48h 35m

$1,187

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Fri 5/8

9:00 pm-10:10 pm

2 stops38h 10m

Vientiane Wattay

Fri 5/15

7:20 am-6:10 pm

2 stops45h 50m

$1,200

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Thu 10/1

3:10 pm-11:00 am

2 stops32h 50m

Vientiane Wattay

Mon 10/12

7:20 am-9:45 am

2 stops37h 25m

$1,257

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Mon 6/8

3:10 pm-10:10 pm

2 stops44h 00m

Vientiane Wattay

Mon 6/29

6:20 pm-9:45 am

2 stops50h 25m

$1,288

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Sat 9/5

1:15 am-7:45 pm

2 stops31h 30m

Vientiane Wattay

Sun 9/13

8:30 pm-10:00 pm

2 stops36h 30m

$1,316

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Fri 5/15

3:10 pm-11:00 am

2 stops32h 50m

Vientiane Wattay

Fri 5/29

7:20 am-9:45 am

2 stops37h 25m

$1,349

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Fri 5/8

9:00 pm-11:00 am

2 stops27h 00m

Vientiane Wattay

Fri 5/15

11:20 am-6:10 pm

3 stops41h 50m

$1,358
Quickest round-trip

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Thu 10/1

9:00 pm-11:00 am

2 stops27h 00m

Vientiane Wattay

Fri 10/30

11:35 am-4:55 pm

3 stops40h 20m

$1,364

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Mon 4/20

9:00 pm-11:00 am

2 stops27h 00m

Vientiane Wattay

Mon 5/11

11:20 am-6:10 pm

3 stops41h 50m

$1,387

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Vientiane from

How to get the cheapest flight ticket from Washington, D.C. to Vientiane

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Washington, D.C. to Vientiane Wattay?

China Eastern is the most popular carrier operating from Washington, D.C. to Vientiane Wattay

When to book flights from Washington, D.C. to Vientiane

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Vientiane according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Vientiane (WAS to VTE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Vientiane

Fastest flight time

32h 50m

Direct flights

None
The fastest flight from Washington, D.C. to Vientiane takes 32h 50m
There are no direct flights from Washington, D.C. to Vientiane. There are no popular flight routes from Washington, D.C. to Vientiane.
Search flight deals

Frequently asked questions about flying from Washington, D.C. to Vientiane

  • How far is Washington, D.C. to Vientiane Wattay by plane?

    Washington, D.C. and Vientiane Wattay are 8501.3 mi apart from one another. By plane, this route typically takes 32h 50m.

  • When did momondo last update prices for flights from Washington, D.C. to Vientiane Wattay Airport?

    Prices for flights from Washington, D.C. to Vientiane Wattay Airport refresh daily.

  • How old do you have to be to fly from Washington, D.C. to Vientiane Wattay Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Vientiane Wattay Airport.

  • What documentation or ID do you need to fly to Vientiane Wattay Airport?

    The required travel and health documents for your Vientiane Wattay Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Vientiane Wattay Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Vientiane?

Finding the right flight to Vientiane from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Vientiane quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Vientiane with flexible booking policies on momondo?

Yes. All flights to Vientiane from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Vientiane?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Vientiane.

I’m not ready to book a flight from Washington, D.C. to Vientiane right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Vientiane, momondo offers a useful price alert feature which will track prices for flights to Vientiane from Washington, D.C. and alert you when they change.

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