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Cheap flights from Washington, D.C. to Vientiane from $563

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 2/10. 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
8:05 pm - 1:05 pmIAD-VTE
29h 00m2 stops
Logo
1:30 pm - 3:40 pmVTE-IAD
37h 10m2 stops
$1,343
Find Deal
Thu, Nov 20 - Tue, Mar 31
Logo
9:00 pm - 9:50 pmIAD-VTE
37h 50m2 stops
Logo
1:55 pm - 8:20 amVTE-IAD
30h 25m2 stops
$1,415
Find Deal
Sat, Oct 18 - Sat, Nov 29
Logo
1:30 pm - 3:35 pmIAD-VTE
63h 05m3 stops
Logo
6:35 pm - 11:45 amVTE-IAD
29h 10m2 stops
$1,510
Find Deal
Sat, Oct 18 - Sat, Nov 29
Logo
8:05 pm - 6:55 pmIAD-VTE
34h 50m3 stops
Logo
1:30 pm - 3:40 pmVTE-IAD
37h 10m2 stops
$1,648
Find Deal
Thu, Nov 20 - Tue, Mar 31
Logo
8:05 pm - 10:55 amIAD-VTE
26h 50m2 stops
Logo
11:30 am - 8:40 amVTE-IAD
32h 10m3 stops
$1,679
Find Deal
Thu, Nov 20 - Tue, Mar 31
Logo
9:40 pm - 3:35 pmIAD-VTE
54h 55m3 stops
Logo
7:30 am - 11:45 amVTE-IAD
40h 15m3 stops
$1,922
Find Deal
Sat, Oct 18 - Sat, Nov 29
Logo
8:05 pm - 10:55 amIAD-VTE
26h 50m2 stops
Logo
6:35 pm - 3:55 pmVTE-IAD
33h 20m2 stops
$2,049
Find Deal
Fri, Dec 26 - Sun, Jan 18
Logo
1:30 pm - 6:55 pmIAD-VTE
41h 25m3 stops
Logo
7:45 pm - 11:45 amVTE-IAD
28h 00m2 stops
$2,058
Find Deal
Fri, Dec 26 - Sun, Jan 18
Logo
8:05 pm - 6:55 pmIAD-VTE
34h 50m3 stops
Logo
6:35 pm - 3:55 pmVTE-IAD
33h 20m2 stops
$2,221
Find Deal
Fri, Dec 26 - Sun, Jan 18
Logo
8:28 am - 12:05 amIAD-VTE
28h 37m2 stops
Logo
1:05 am - 9:20 pmVTE-IAD
32h 15m2 stops
$2,500
Find Deal
Sat, Oct 18 - Fri, Nov 28

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 September 15, 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

Thu 11/20

8:05 pm-1:05 pm

2 stops29h 00m

Vientiane Wattay

Tue 3/31

1:30 pm-3:40 pm

2 stops37h 10m

$1,343

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Sat 10/18

9:00 pm-9:50 pm

2 stops37h 50m

Vientiane Wattay

Sat 11/29

1:55 pm-8:20 am

2 stops30h 25m

$1,415

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Sat 10/18

1:30 pm-3:35 pm

3 stops63h 05m

Vientiane Wattay

Sat 11/29

6:35 pm-11:45 am

2 stops29h 10m

$1,510

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Thu 11/20

8:05 pm-6:55 pm

3 stops34h 50m

Vientiane Wattay

Tue 3/31

1:30 pm-3:40 pm

2 stops37h 10m

$1,648

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Thu 11/20

8:05 pm-10:55 am

2 stops26h 50m

Vientiane Wattay

Tue 3/31

11:30 am-8:40 am

3 stops32h 10m

$1,679

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Sat 10/18

9:40 pm-3:35 pm

3 stops54h 55m

Vientiane Wattay

Sat 11/29

7:30 am-11:45 am

3 stops40h 15m

$1,922

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Fri 12/26

8:05 pm-10:55 am

2 stops26h 50m

Vientiane Wattay

Sun 1/18

6:35 pm-3:55 pm

2 stops33h 20m

$2,049

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Fri 12/26

1:30 pm-6:55 pm

3 stops41h 25m

Vientiane Wattay

Sun 1/18

7:45 pm-11:45 am

2 stops28h 00m

$2,058

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Fri 12/26

8:05 pm-6:55 pm

3 stops34h 50m

Vientiane Wattay

Sun 1/18

6:35 pm-3:55 pm

2 stops33h 20m

$2,221

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Sat 10/18

8:28 am-12:05 am

2 stops28h 37m

Vientiane Wattay

Fri 11/28

1:05 am-9:20 pm

2 stops32h 15m

$2,500

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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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 27h 17m on average. On the other hand, flying from Baltimore to Vientiane takes 31h 30m 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

Direct flights

None
There are no direct flights from Washington, D.C. to Vientiane. There are no popular flight routes from Washington, D.C. to Vientiane.
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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 26h 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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