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Cheap flights from Washington, D.C. to Vientiane from $867

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 5/21. 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
0 bags

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
9:00 pm - 7:45 pm
IAD
-
VTE
35h 45m
2 stops
Multiple Airlines Logo
1:55 pm - 3:55 pm
VTE
-
IAD
38h 00m
2 stops
$1,228Multiple Airlines
Mon, Oct 19 - Tue, Nov 10
Multiple Airlines Logo
9:00 pm - 12:40 pm
IAD
-
VTE
28h 40m
2 stops
Multiple Airlines Logo
1:55 pm - 4:55 pm
VTE
-
IAD
38h 00m
2 stops
$1,287Multiple Airlines
Sat, Oct 17 - Sun, Oct 25
Multiple Airlines Logo
9:00 pm - 7:35 pm
IAD
-
VTE
35h 35m
3 stops
Multiple Airlines Logo
1:55 pm - 3:55 pm
VTE
-
IAD
38h 00m
2 stops
$1,339Multiple Airlines
Mon, Oct 19 - Tue, Nov 10
Multiple Airlines Logo
9:00 pm - 7:35 pm
IAD
-
VTE
35h 35m
3 stops
Multiple Airlines Logo
1:55 pm - 4:55 pm
VTE
-
IAD
38h 00m
2 stops
$1,424Multiple Airlines
Sat, Oct 17 - Sun, Oct 25
Multiple Airlines Logo
9:00 pm - 12:40 pm
IAD
-
VTE
28h 40m
2 stops
Multiple Airlines Logo
6:20 pm - 3:40 pm
VTE
-
IAD
32h 20m
2 stops
$1,593Multiple Airlines
Mon, Jun 8 - Mon, Sep 7
Multiple Airlines Logo
9:00 pm - 7:35 pm
IAD
-
VTE
35h 35m
3 stops
Multiple Airlines Logo
1:30 pm - 3:40 pm
VTE
-
IAD
37h 10m
2 stops
$1,604Multiple Airlines
Mon, Jun 8 - Mon, Sep 7
Multiple Airlines Logo
9:00 pm - 7:35 pm
IAD
-
VTE
35h 35m
3 stops
Multiple Airlines Logo
11:35 am - 4:55 pm
VTE
-
IAD
40h 20m
3 stops
$1,608Multiple Airlines
Sat, Oct 17 - Sun, Oct 25
Multiple Airlines Logo
9:00 pm - 7:45 pm
IAD
-
VTE
35h 45m
2 stops
Multiple Airlines Logo
8:30 pm - 3:40 pm
VTE
-
IAD
54h 10m
2 stops
$1,627Multiple Airlines
Fri, Aug 7 - Mon, Aug 17
Multiple Airlines Logo
9:00 pm - 7:35 pm
IAD
-
VTE
35h 35m
3 stops
Multiple Airlines Logo
11:20 am - 8:45 am
VTE
-
IAD
32h 25m
3 stops
$1,682Multiple Airlines
Mon, Jun 8 - Mon, Sep 7
Multiple Airlines Logo
9:00 pm - 12:40 pm
IAD
-
VTE
28h 40m
2 stops
Multiple Airlines Logo
8:30 pm - 3:40 pm
VTE
-
IAD
30h 10m
2 stops
$1,711Multiple Airlines
Tue, Jun 2 - Thu, Jul 9

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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 27, 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 10/19

9:00 pm-7:45 pm

2 stops35h 45m

Vientiane Wattay

Tue 11/10

1:55 pm-3:55 pm

2 stops38h 00m

$1,228

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Sat 10/17

9:00 pm-12:40 pm

2 stops28h 40m

Vientiane Wattay

Sun 10/25

1:55 pm-4:55 pm

2 stops38h 00m

$1,287

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Mon 10/19

9:00 pm-7:35 pm

3 stops35h 35m

Vientiane Wattay

Tue 11/10

1:55 pm-3:55 pm

2 stops38h 00m

$1,339

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Sat 10/17

9:00 pm-7:35 pm

3 stops35h 35m

Vientiane Wattay

Sun 10/25

1:55 pm-4:55 pm

2 stops38h 00m

$1,424

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Mon 6/8

9:00 pm-12:40 pm

2 stops28h 40m

Vientiane Wattay

Mon 9/7

6:20 pm-3:40 pm

2 stops32h 20m

$1,593

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

1:30 pm-3:40 pm

2 stops37h 10m

$1,604

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Sat 10/17

9:00 pm-7:35 pm

3 stops35h 35m

Vientiane Wattay

Sun 10/25

11:35 am-4:55 pm

3 stops40h 20m

$1,608

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Fri 8/7

9:00 pm-7:45 pm

2 stops35h 45m

Vientiane Wattay

Mon 8/17

8:30 pm-3:40 pm

2 stops54h 10m

$1,627

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

11:20 am-8:45 am

3 stops32h 25m

$1,682
Quickest round-trip

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 6/2

9:00 pm-12:40 pm

2 stops28h 40m

Vientiane Wattay

Thu 7/9

8:30 pm-3:40 pm

2 stops30h 10m

$1,711

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

How long does it take to fly to Vientiane?

Flight times vary depending on what airport in Washington, D.C. you fly out of and what airport in Vientiane you fly into. For example, flying from Washington, D.C. to Vientiane takes 33h 05m on average. On the other hand, flying from Baltimore to Vientiane takes 36h 04m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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

28h 40m

Direct flights

None
The fastest flight from Washington, D.C. to Vientiane takes 28h 40m
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 28h 40m.

  • 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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