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Cheap flights from District of Columbia to Vientiane from $520

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Vientiane departing on 4/8. 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 District of Columbia to Vientiane

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:20 pm - 7:15 pm
IAD
-
VTE
35h 55m3 stops
Multiple Airlines Logo
11:30 am - 8:40 am
VTE
-
IAD
32h 10m3 stops
$1,104Multiple Airlines
Wed, Apr 29 - Mon, May 25
Multiple Airlines Logo
8:20 pm - 7:15 pm
IAD
-
VTE
35h 55m3 stops
Multiple Airlines Logo
1:30 pm - 8:40 am
VTE
-
IAD
30h 10m2 stops
$1,106Multiple Airlines
Wed, Apr 29 - Tue, May 26
Multiple Airlines Logo
8:20 pm - 7:15 pm
IAD
-
VTE
35h 55m3 stops
Multiple Airlines Logo
11:30 am - 8:40 am
VTE
-
IAD
32h 10m3 stops
$1,114Multiple Airlines
Wed, Apr 29 - Tue, May 26
Multiple Airlines Logo
8:20 pm - 7:45 pm
IAD
-
VTE
36h 25m2 stops
Multiple Airlines Logo
1:30 pm - 8:40 am
VTE
-
IAD
30h 10m2 stops
$1,134Multiple Airlines
Wed, Apr 29 - Tue, May 26
Multiple Airlines Logo
8:05 pm - 9:50 pm
IAD
-
VTE
37h 45m2 stops
Multiple Airlines Logo
1:55 pm - 3:55 pm
VTE
-
IAD
38h 00m2 stops
$1,172Multiple Airlines
Wed, Feb 4 - Wed, Feb 11
Multiple Airlines Logo
8:05 pm - 6:55 pm
IAD
-
VTE
34h 50m3 stops
Multiple Airlines Logo
1:55 pm - 3:55 pm
VTE
-
IAD
38h 00m2 stops
$1,243Multiple Airlines
Wed, Feb 4 - Wed, Feb 11
Multiple Airlines Logo
8:05 pm - 6:55 pm
IAD
-
VTE
34h 50m3 stops
Multiple Airlines Logo
11:35 am - 3:55 pm
VTE
-
IAD
40h 20m3 stops
$1,429Multiple Airlines
Wed, Feb 4 - Wed, Feb 11
Multiple Airlines Logo
9:59 am - 3:05 pm
DCA
-
VTE
41h 06m2 stops
Multiple Airlines Logo
4:25 pm - 8:05 pm
VTE
-
DCA
39h 40m2 stops
$1,677Multiple Airlines
Wed, Feb 4 - Wed, Feb 11
Multiple Airlines Logo
2:35 pm - 7:35 am
IAD
-
VTE
29h 00m3 stops
Multiple Airlines Logo
6:45 pm - 6:30 pm
VTE
-
IAD
35h 45m2 stops
$1,761Multiple Airlines
Tue, Jan 6 - Mon, Jan 12
Multiple Airlines Logo
2:35 pm - 7:35 am
IAD
-
VTE
29h 00m3 stops
Multiple Airlines Logo
6:45 pm - 6:30 pm
VTE
-
IAD
35h 45m3 stops
$1,791Multiple Airlines
Tue, Jan 6 - Mon, Jan 12

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 23, 2025.
Use the filters below to find and compare flights from District of Columbia 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 4/29

8:20 pm-7:15 pm

3 stops35h 55m

Vientiane Wattay

Mon 5/25

11:30 am-8:40 am

3 stops32h 10m

$1,104

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 4/29

8:20 pm-7:15 pm

3 stops35h 55m

Vientiane Wattay

Tue 5/26

1:30 pm-8:40 am

2 stops30h 10m

$1,106

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 4/29

8:20 pm-7:15 pm

3 stops35h 55m

Vientiane Wattay

Tue 5/26

11:30 am-8:40 am

3 stops32h 10m

$1,114

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 4/29

8:20 pm-7:45 pm

2 stops36h 25m

Vientiane Wattay

Tue 5/26

1:30 pm-8:40 am

2 stops30h 10m

$1,134

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 2/4

8:05 pm-9:50 pm

2 stops37h 45m

Vientiane Wattay

Wed 2/11

1:55 pm-3:55 pm

2 stops38h 00m

$1,172

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 2/4

8:05 pm-6:55 pm

3 stops34h 50m

Vientiane Wattay

Wed 2/11

1:55 pm-3:55 pm

2 stops38h 00m

$1,243

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 2/4

8:05 pm-6:55 pm

3 stops34h 50m

Vientiane Wattay

Wed 2/11

11:35 am-3:55 pm

3 stops40h 20m

$1,429

Washington, D.C.Vientiane

DCA - VTE

DCAVTE

Washington, D.C. Reagan-National

Wed 2/4

9:59 am-3:05 pm

2 stops41h 06m

Vientiane Wattay

Wed 2/11

4:25 pm-8:05 pm

2 stops39h 40m

$1,677

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 1/6

2:35 pm-7:35 am

3 stops29h 00m

Vientiane Wattay

Mon 1/12

6:45 pm-6:30 pm

2 stops35h 45m

$1,761

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 1/6

2:35 pm-7:35 am

3 stops29h 00m

Vientiane Wattay

Mon 1/12

6:45 pm-6:30 pm

3 stops35h 45m

$1,791

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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Cheap District of Columbia to Vientiane flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Vientiane

Fastest flight time

29h 00m

Direct flights

None
The fastest flight from District of Columbia to Vientiane takes 29h 00m
There are no direct flights from District of Columbia to Vientiane. There are no popular flight routes from District of Columbia to Vientiane.
Search flight deals

  • When did momondo last update prices for flights from District of Columbia to Vientiane Wattay Airport?

    Prices for flights from District of Columbia to Vientiane Wattay Airport are updated daily.

  • How old do you have to be to fly from District of Columbia 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 District of Columbia 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.

  • How do I get Price Alerts for flights from District of Columbia to Vientiane?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to District of Columbia from Vientiane. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from District of Columbia to Vientiane with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Vientiane?

It is quick and easy to find District of Columbia to Vientiane flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Vientiane that suits you.

Can I find flights from District of Columbia to Vientiane with flexible booking policies on momondo?

All flight searches from District of Columbia to Vientiane on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from District of Columbia to Vientiane?

Once all potential District of Columbia to Vientiane flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from District of Columbia to Vientiane right now. Can momondo alert me if prices change?

If you are not ready to book a flight from District of Columbia to Vientiane now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Vientiane and let you know when they change.

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