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.

$1,136 Cheap Flights from Washington, D.C. to Vientiane in 2026

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

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:10 pm - 12:40 pm

IAD

VTE

34h 30m

2 stops

8:30 pm - 9:45 am

VTE

IAD

48h 15m

2 stops

$1,136Multiple Airlines

Mon, Apr 13 - Thu, Apr 30

8:20 pm - 7:15 pm

IAD

VTE

35h 55m

3 stops

8:30 pm - 4:05 pm

VTE

IAD

30h 35m

2 stops

$1,174Multiple Airlines

Mon, Apr 13 - Thu, Apr 30

11:00 am - 9:50 pm

IAD

VTE

23h 50m

2 stops

11:20 am - 8:40 am

VTE

IAD

32h 20m

3 stops

$1,222Multiple Airlines

Tue, Apr 28 - Tue, May 26

8:20 pm - 7:35 pm

IAD

VTE

36h 15m

3 stops

11:20 am - 8:40 am

VTE

IAD

32h 20m

3 stops

$1,292Multiple Airlines

Tue, Apr 28 - Tue, May 26

8:20 pm - 7:15 pm

IAD

VTE

35h 55m

3 stops

11:30 am - 4:05 pm

VTE

IAD

39h 35m

3 stops

$1,454Multiple Airlines

Mon, Apr 13 - Thu, Apr 30

8:40 pm - 11:50 pm

DCA

VTE

40h 10m

2 stops

12:50 am - 10:43 pm

VTE

DCA

32h 53m

2 stops

$1,653Multiple Airlines

Mon, Apr 13 - Wed, Apr 29

10:55 am - 10:55 am

IAD

VTE

37h 00m

2 stops

6:40 pm - 8:40 am

VTE

IAD

49h 00m

2 stops

$1,661Multiple Airlines

Wed, Jul 15 - Thu, Jul 30

11:40 am - 9:50 pm

IAD

VTE

47h 10m

2 stops

2:30 pm - 4:05 pm

VTE

IAD

60h 35m

2 stops

$1,746Multiple Airlines

Fri, Mar 27 - Sat, Apr 11

9:00 pm - 7:35 pm

IAD

VTE

35h 35m

3 stops

2:30 pm - 3:40 pm

VTE

IAD

36h 10m

2 stops

$1,805Multiple Airlines

Wed, Jul 15 - Thu, Jul 30

9:05 pm - 7:35 pm

IAD

VTE

35h 30m

3 stops

2:30 pm - 4:05 pm

VTE

IAD

60h 35m

2 stops

$1,806Multiple Airlines

Fri, Mar 27 - Sat, Apr 11

momondo Fare Finder

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

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Mon 4/13

3:10 pm-12:40 pm

2 stops34h 30m

Vientiane Wattay

Thu 4/30

8:30 pm-9:45 am

2 stops48h 15m

$1,136

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

Thu 4/30

8:30 pm-4:05 pm

2 stops30h 35m

$1,174

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 4/28

11:00 am-9:50 pm

2 stops23h 50m

Vientiane Wattay

Tue 5/26

11:20 am-8:40 am

3 stops32h 20m

$1,222

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 4/28

8:20 pm-7:35 pm

3 stops36h 15m

Vientiane Wattay

Tue 5/26

11:20 am-8:40 am

3 stops32h 20m

$1,292

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

Thu 4/30

11:30 am-4:05 pm

3 stops39h 35m

$1,454

Washington, D.C.Vientiane

DCA - VTE

DCAVTE

Washington, D.C. Reagan-National

Mon 4/13

8:40 pm-11:50 pm

2 stops40h 10m

Vientiane Wattay

Wed 4/29

12:50 am-10:43 pm

2 stops32h 53m

$1,653

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 7/15

10:55 am-10:55 am

2 stops37h 00m

Vientiane Wattay

Thu 7/30

6:40 pm-8:40 am

2 stops49h 00m

$1,661

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Fri 3/27

11:40 am-9:50 pm

2 stops47h 10m

Vientiane Wattay

Sat 4/11

2:30 pm-4:05 pm

2 stops60h 35m

$1,746

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 7/15

9:00 pm-7:35 pm

3 stops35h 35m

Vientiane Wattay

Thu 7/30

2:30 pm-3:40 pm

2 stops36h 10m

$1,805

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Fri 3/27

9:05 pm-7:35 pm

3 stops35h 30m

Vientiane Wattay

Sat 4/11

2:30 pm-4:05 pm

2 stops60h 35m

$1,806

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 32h 55m on average. On the other hand, flying from Baltimore to Vientiane takes 36h 54m 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	31h 31m
Direct flights	None

The fastest flight from Washington, D.C. to Vientiane takes 31h 31m

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

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 31h 31m.
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.