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Cheap flights from Washington, D.C. to Vientiane from $667

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 8/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. to Vientiane

Cheap round-trip flights

Logo
9:40 pm - 9:50 pmIAD-VTE
37h 10m2 stops
Logo
6:40 pm - 7:45 pmVTE-IAD
36h 05m2 stops
$1,064
Find Deal
Tue, Sep 16 - Tue, Sep 23
Logo
9:00 pm - 7:45 pmIAD-VTE
35h 45m2 stops
Logo
8:30 pm - 3:55 pmVTE-IAD
31h 25m2 stops
$1,284
Find Deal
Wed, Oct 1 - Wed, Nov 5
Logo
8:05 pm - 10:55 amIAD-VTE
26h 50m2 stops
Logo
7:55 am - 8:20 amVTE-IAD
36h 25m2 stops
$1,328
Find Deal
Thu, Nov 6 - Thu, Nov 13
Logo
9:00 pm - 7:10 pmIAD-VTE
35h 10m3 stops
Logo
1:30 pm - 8:40 amVTE-IAD
30h 10m2 stops
$1,361
Find Deal
Tue, Sep 16 - Tue, Sep 23
Logo
10:20 am - 11:00 pmIAD-VTE
25h 40m2 stops
Logo
12:01 am - 1:38 pmVTE-IAD
48h 37m2 stops
$1,381
Find Deal
Tue, Sep 16 - Mon, Sep 22
Logo
9:00 pm - 7:10 pmIAD-VTE
35h 10m3 stops
Logo
6:35 pm - 3:55 pmVTE-IAD
33h 20m2 stops
$1,424
Find Deal
Wed, Oct 1 - Wed, Nov 5
Logo
8:05 pm - 7:00 pmIAD-VTE
34h 55m3 stops
Logo
7:55 am - 8:20 amVTE-IAD
36h 25m2 stops
$1,483
Find Deal
Thu, Nov 6 - Thu, Nov 13
Logo
9:20 pm - 7:45 pmIAD-VTE
35h 25m3 stops
Logo
8:30 pm - 7:05 pmVTE-IAD
34h 35m3 stops
$1,484
Find Deal
Wed, Oct 1 - Wed, Nov 5
Austrian Airlines Logo
6:00 pm - 7:45 pmIAD-VTE
37h 45m2 stops
Austrian Airlines Logo
8:30 pm - 3:40 pmVTE-IAD
30h 10m2 stops
$3,975Austrian Airlines
Find Deal
Sat, Dec 27 - Wed, Mar 25
Austrian Airlines Logo
6:00 pm - 7:45 pmIAD-VTE
37h 45m2 stops
Austrian Airlines Logo
8:30 pm - 2:35 pmVTE-IAD
53h 05m2 stops
$3,998Austrian Airlines
Find Deal
Sat, Dec 27 - Sun, Mar 29

Austrian Airlines flights from Washington, D.C. to Vientiane

Our best Austrian Airlines deals on Washington, D.C. to Vientiane flight tickets
Austrian Airlines
Dec 27
IAD6:00 pmWashington, D.C. Dulles Intl
37h 45m
2 stops
VTE7:45 pmVientiane Wattay
Mar 25
VTE8:30 pmVientiane Wattay
30h 10m
2 stops
IAD3:40 pmWashington, D.C. Dulles Intl
$3,975
Find similar
Austrian Airlines
Dec 27
IAD6:00 pmWashington, D.C. Dulles Intl
37h 45m
2 stops
VTE7:45 pmVientiane Wattay
Mar 29
VTE8:30 pmVientiane Wattay
53h 05m
2 stops
IAD2:35 pmWashington, D.C. Dulles Intl
$3,998
Find similar
Austrian Airlines
Dec 27
IAD6:00 pmWashington, D.C. Dulles Intl
37h 45m
2 stops
VTE7:45 pmVientiane Wattay
Mar 27
VTE8:30 pmVientiane Wattay
30h 10m
2 stops
IAD3:40 pmWashington, D.C. Dulles Intl
$4,625
Find similar

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 August 18, 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

Tue 9/16

9:40 pm-9:50 pm

2 stops37h 10m

Vientiane Wattay

Tue 9/23

6:40 pm-7:45 pm

2 stops36h 05m

$1,064

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 10/1

9:00 pm-7:45 pm

2 stops35h 45m

Vientiane Wattay

Wed 11/5

8:30 pm-3:55 pm

2 stops31h 25m

$1,284

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Thu 11/6

8:05 pm-10:55 am

2 stops26h 50m

Vientiane Wattay

Thu 11/13

7:55 am-8:20 am

2 stops36h 25m

$1,328

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 9/16

9:00 pm-7:10 pm

3 stops35h 10m

Vientiane Wattay

Tue 9/23

1:30 pm-8:40 am

2 stops30h 10m

$1,361

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 9/16

10:20 am-11:00 pm

2 stops25h 40m

Vientiane Wattay

Mon 9/22

12:01 am-1:38 pm

2 stops48h 37m

$1,381

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 10/1

9:00 pm-7:10 pm

3 stops35h 10m

Vientiane Wattay

Wed 11/5

6:35 pm-3:55 pm

2 stops33h 20m

$1,424

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Thu 11/6

8:05 pm-7:00 pm

3 stops34h 55m

Vientiane Wattay

Thu 11/13

7:55 am-8:20 am

2 stops36h 25m

$1,483

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 10/1

9:20 pm-7:45 pm

3 stops35h 25m

Vientiane Wattay

Wed 11/5

8:30 pm-7:05 pm

3 stops34h 35m

$1,484

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Sat 12/27

6:00 pm-7:45 pm

2 stops37h 45m

Vientiane Wattay

Wed 3/25

8:30 pm-3:40 pm

2 stops30h 10m

$3,975

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Sat 12/27

6:00 pm-7:45 pm

2 stops37h 45m

Vientiane Wattay

Sun 3/29

8:30 pm-2:35 pm

2 stops53h 05m

$3,998

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 Washington, D.C. to Vientiane takes 24h 10m on average. On the other hand, flying from Baltimore to Vientiane takes 31h 20m 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

Best Price Found

$667

Fastest flight time

23h 20m

Direct flights

None

Airports in Vientiane

1 airport
The best one-way flight to Vientiane from Washington, D.C. in the past 72 hours is $667. The best round-trip flight deal from Washington, D.C. to Vientiane found on momondo in the last 72 hours is $1,064.
The fastest flight from Washington, D.C. to Vientiane takes 23h 20m
There are no direct flights from Washington, D.C. to Vientiane. Popular non-direct routes for this connection are Washington, D.C. Dulles Intl Airport - Vientiane Wattay Airport and Washington, D.C. Reagan-National Airport - Vientiane Wattay Airport.
There is 1 airport near Vientiane: Vientiane Wattay (VTE)
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  • 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 20m.

  • 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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