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Cheap flights from Washington, D.C. to Vientiane from $556

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 3/31. 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

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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
8:05 pm - 6:55 pm
IAD
-
VTE
34h 50m3 stops
Multiple Airlines Logo
2:50 pm - 4:55 pm
VTE
-
IAD
61h 05m2 stops
$1,100Multiple Airlines
Wed, Mar 4 - Wed, Mar 25
Multiple Airlines Logo
9:05 pm - 3:35 pm
IAD
-
VTE
31h 30m3 stops
Multiple Airlines Logo
7:30 am - 8:40 am
VTE
-
IAD
36h 10m3 stops
$1,104Multiple Airlines
Sun, Mar 8 - Thu, May 7
Multiple Airlines Logo
9:05 pm - 1:05 pm
IAD
-
VTE
29h 00m2 stops
Multiple Airlines Logo
6:40 pm - 4:05 pm
VTE
-
IAD
32h 25m2 stops
$1,107Multiple Airlines
Sun, Mar 8 - Thu, May 7
Multiple Airlines Logo
8:20 pm - 3:35 pm
IAD
-
VTE
56h 15m3 stops
Multiple Airlines Logo
11:30 am - 3:40 pm
VTE
-
IAD
39h 10m3 stops
$1,114Multiple Airlines
Wed, Apr 15 - Wed, Sep 30
Multiple Airlines Logo
8:05 pm - 1:05 pm
IAD
-
VTE
29h 00m2 stops
Multiple Airlines Logo
2:50 pm - 4:55 pm
VTE
-
IAD
61h 05m2 stops
$1,127Multiple Airlines
Wed, Mar 4 - Wed, Mar 25
Multiple Airlines Logo
9:05 pm - 6:55 pm
IAD
-
VTE
34h 50m3 stops
Multiple Airlines Logo
1:30 pm - 8:40 am
VTE
-
IAD
30h 10m2 stops
$1,131Multiple Airlines
Sun, Mar 8 - Thu, May 7
Multiple Airlines Logo
8:20 pm - 7:15 pm
IAD
-
VTE
35h 55m3 stops
Multiple Airlines Logo
1:30 pm - 3:40 pm
VTE
-
IAD
37h 10m2 stops
$1,135Multiple Airlines
Thu, Apr 16 - Wed, Sep 30
Multiple Airlines Logo
11:00 am - 9:50 pm
IAD
-
VTE
23h 50m2 stops
Multiple Airlines Logo
1:30 pm - 3:40 pm
VTE
-
IAD
37h 10m2 stops
$1,136Multiple Airlines
Wed, Apr 15 - Wed, Sep 30
Multiple Airlines Logo
8:20 pm - 9:50 pm
IAD
-
VTE
38h 30m2 stops
Multiple Airlines Logo
1:30 pm - 3:40 pm
VTE
-
IAD
37h 10m2 stops
$1,139Multiple Airlines
Thu, Apr 16 - Wed, Sep 30
Multiple Airlines Logo
8:20 pm - 3:35 pm
IAD
-
VTE
56h 15m3 stops
Multiple Airlines Logo
6:40 pm - 3:40 pm
VTE
-
IAD
32h 00m2 stops
$1,142Multiple Airlines
Wed, Apr 15 - Wed, Sep 30

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 December 9, 2025.
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

Wed 3/4

8:05 pm-6:55 pm

3 stops34h 50m

Vientiane Wattay

Wed 3/25

2:50 pm-4:55 pm

2 stops61h 05m

$1,100

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Sun 3/8

9:05 pm-3:35 pm

3 stops31h 30m

Vientiane Wattay

Thu 5/7

7:30 am-8:40 am

3 stops36h 10m

$1,104

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Sun 3/8

9:05 pm-1:05 pm

2 stops29h 00m

Vientiane Wattay

Thu 5/7

6:40 pm-4:05 pm

2 stops32h 25m

$1,107

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 4/15

8:20 pm-3:35 pm

3 stops56h 15m

Vientiane Wattay

Wed 9/30

11:30 am-3:40 pm

3 stops39h 10m

$1,114

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 3/4

8:05 pm-1:05 pm

2 stops29h 00m

Vientiane Wattay

Wed 3/25

2:50 pm-4:55 pm

2 stops61h 05m

$1,127

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Sun 3/8

9:05 pm-6:55 pm

3 stops34h 50m

Vientiane Wattay

Thu 5/7

1:30 pm-8:40 am

2 stops30h 10m

$1,131

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Thu 4/16

8:20 pm-7:15 pm

3 stops35h 55m

Vientiane Wattay

Wed 9/30

1:30 pm-3:40 pm

2 stops37h 10m

$1,135

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 4/15

11:00 am-9:50 pm

2 stops23h 50m

Vientiane Wattay

Wed 9/30

1:30 pm-3:40 pm

2 stops37h 10m

$1,136

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Thu 4/16

8:20 pm-9:50 pm

2 stops38h 30m

Vientiane Wattay

Wed 9/30

1:30 pm-3:40 pm

2 stops37h 10m

$1,139

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 4/15

8:20 pm-3:35 pm

3 stops56h 15m

Vientiane Wattay

Wed 9/30

6:40 pm-3:40 pm

2 stops32h 00m

$1,142

Flights are sorted by cheapest round-trip flights 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 Baltimore to Vientiane takes 27h 05m on average. On the other hand, flying from Washington, D.C. to Vientiane takes 32h 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

27h 05m

Direct flights

None
The fastest flight from Washington, D.C. to Vientiane takes 27h 05m
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.

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