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.

$619 Cheap Flights from Washington, D.C. to Vientiane in 2025/26

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:05 pm - 3:35 pm

IAD

VTE

31h 30m3 stops

2:50 pm - 8:20 am

VTE

IAD

29h 30m2 stops

$1,094Multiple Airlines

Sun, Jan 25 - Tue, Feb 3

8:20 pm - 7:15 pm

IAD

VTE

35h 55m3 stops

11:30 am - 8:40 am

VTE

IAD

32h 10m3 stops

$1,104Multiple Airlines

Wed, May 6 - Mon, Jun 1

8:20 pm - 7:15 pm

IAD

VTE

35h 55m3 stops

6:40 pm - 4:05 pm

VTE

IAD

32h 25m2 stops

$1,119Multiple Airlines

Wed, May 6 - Mon, Jun 1

8:05 pm - 11:10 am

IAD

VTE

27h 05m2 stops

2:50 pm - 9:20 am

VTE

IAD

29h 30m2 stops

$1,121Multiple Airlines

Wed, Mar 4 - Thu, Mar 12

8:05 pm - 9:45 pm

IAD

VTE

37h 40m2 stops

2:50 pm - 8:20 am

VTE

IAD

29h 30m2 stops

$1,123Multiple Airlines

Sun, Jan 25 - Tue, Feb 3

8:20 pm - 7:45 pm

IAD

VTE

36h 25m2 stops

1:30 pm - 8:40 am

VTE

IAD

30h 10m2 stops

$1,148Multiple Airlines

Wed, May 6 - Mon, Jun 1

8:05 pm - 6:55 pm

IAD

VTE

34h 50m3 stops

11:35 am - 3:55 pm

VTE

IAD

64h 20m3 stops

$1,150Multiple Airlines

Sun, Jan 25 - Tue, Feb 3

8:05 pm - 6:55 pm

IAD

VTE

34h 50m3 stops

2:50 pm - 9:20 am

VTE

IAD

29h 30m2 stops

$1,158Multiple Airlines

Wed, Mar 4 - Thu, Mar 12

8:05 pm - 6:55 pm

IAD

VTE

34h 50m3 stops

2:50 pm - 3:55 pm

VTE

IAD

37h 05m2 stops

$1,238Multiple Airlines

Sat, Jan 31 - Sat, Feb 7

8:05 pm - 9:50 pm

IAD

VTE

37h 45m2 stops

2:50 pm - 3:55 pm

VTE

IAD

37h 05m2 stops

$1,259Multiple Airlines

Sat, Jan 31 - Sat, Feb 7

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

Sun 1/25

8:05 pm-3:35 pm

3 stops31h 30m

Vientiane Wattay

Tue 2/3

2:50 pm-8:20 am

2 stops29h 30m

$1,094

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 6/1

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 6/1

6:40 pm-4:05 pm

2 stops32h 25m

$1,119

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 3/4

8:05 pm-11:10 am

2 stops27h 05m

Vientiane Wattay

Thu 3/12

2:50 pm-9:20 am

2 stops29h 30m

$1,121

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Sun 1/25

8:05 pm-9:45 pm

2 stops37h 40m

Vientiane Wattay

Tue 2/3

2:50 pm-8:20 am

2 stops29h 30m

$1,123

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 5/6

8:20 pm-7:45 pm

2 stops36h 25m

Vientiane Wattay

Mon 6/1

1:30 pm-8:40 am

2 stops30h 10m

$1,148

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Sun 1/25

8:05 pm-6:55 pm

3 stops34h 50m

Vientiane Wattay

Tue 2/3

11:35 am-3:55 pm

3 stops64h 20m

$1,150

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 3/4

8:05 pm-6:55 pm

3 stops34h 50m

Vientiane Wattay

Thu 3/12

2:50 pm-9:20 am

2 stops29h 30m

$1,158

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Sat 1/31

8:05 pm-6:55 pm

3 stops34h 50m

Vientiane Wattay

Sat 2/7

2:50 pm-3:55 pm

2 stops37h 05m

$1,238

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Sat 1/31

8:05 pm-9:50 pm

2 stops37h 45m

Vientiane Wattay

Sat 2/7

2:50 pm-3:55 pm

2 stops37h 05m

$1,259

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted 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 24h 22m on average. On the other hand, flying from Baltimore to Vientiane takes 27h 05m 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	23h 50m
Direct flights	None

The fastest flight from Washington, D.C. to Vientiane takes 23h 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

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 23h 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.