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Cheap flights from Washington, D.C. to Vientiane from $603

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 5/1. 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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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
3:10 pm - 12:40 pm
IAD
-
VTE
34h 30m
2 stops
Multiple Airlines Logo
8:30 pm - 9:45 am
VTE
-
IAD
48h 15m
2 stops
$1,170Multiple Airlines
Tue, Apr 7 - Tue, Apr 14
Multiple Airlines Logo
3:10 pm - 12:40 pm
IAD
-
VTE
34h 30m
2 stops
Multiple Airlines Logo
8:30 pm - 9:45 am
VTE
-
IAD
48h 15m
2 stops
$1,176Multiple Airlines
Tue, Apr 28 - Tue, May 26
Multiple Airlines Logo
8:20 pm - 10:35 am
IAD
-
VTE
27h 15m
2 stops
Multiple Airlines Logo
11:20 am - 8:40 am
VTE
-
IAD
32h 20m
3 stops
$1,218Multiple Airlines
Tue, Apr 28 - Wed, May 27
Multiple Airlines Logo
8:20 pm - 10:35 am
IAD
-
VTE
27h 15m
2 stops
Multiple Airlines Logo
11:20 am - 8:40 am
VTE
-
IAD
32h 20m
3 stops
$1,229Multiple Airlines
Tue, Apr 28 - Wed, May 27
Multiple Airlines Logo
9:00 pm - 3:35 pm
IAD
-
VTE
31h 35m
3 stops
Multiple Airlines Logo
8:30 pm - 4:05 pm
VTE
-
IAD
30h 35m
2 stops
$1,264Multiple Airlines
Tue, Apr 7 - Tue, Apr 14
Multiple Airlines Logo
8:20 pm - 10:35 am
IAD
-
VTE
27h 15m
2 stops
Multiple Airlines Logo
11:20 am - 8:40 am
VTE
-
IAD
32h 20m
3 stops
$1,281Multiple Airlines
Tue, Apr 28 - Tue, May 26
Multiple Airlines Logo
8:20 pm - 7:35 pm
IAD
-
VTE
36h 15m
3 stops
Multiple Airlines Logo
11:20 am - 8:40 am
VTE
-
IAD
32h 20m
3 stops
$1,292Multiple Airlines
Tue, Apr 28 - Wed, May 27
Multiple Airlines Logo
10:15 pm - 9:45 pm
IAD
-
VTE
36h 30m
2 stops
Multiple Airlines Logo
7:40 am - 11:35 am
VTE
-
IAD
38h 55m
2 stops
$1,338Multiple Airlines
Sun, Mar 22 - Sat, Mar 28
China Eastern Logo
11:00 am - 12:05 am
DCA
-
VTE
26h 05m
2 stops
China Eastern Logo
1:00 am - 10:37 pm
VTE
-
DCA
32h 37m
2 stops
$1,915China Eastern
Mon, Mar 23 - Mon, Mar 30
China Eastern Logo
11:00 am - 12:05 am
DCA
-
VTE
26h 05m
2 stops
China Eastern Logo
1:00 am - 10:37 pm
VTE
-
DCA
32h 37m
2 stops
$2,627China Eastern
Wed, Mar 25 - Mon, Mar 30

China Eastern flights from Washington, D.C. to Vientiane

Our best China Eastern deals on Washington, D.C. to Vientiane flight tickets
China Eastern
Mar 23
DCA11:00 amWashington, D.C. Reagan-National
26h 05m
2 stops
VTE12:05 amVientiane Wattay
Mar 30
VTE1:00 amVientiane Wattay
32h 37m
2 stops
DCA10:37 pmWashington, D.C. Reagan-National
$1,915
China Eastern
Mar 25
DCA11:00 amWashington, D.C. Reagan-National
26h 05m
2 stops
VTE12:05 amVientiane Wattay
Mar 30
VTE1:00 amVientiane Wattay
32h 37m
2 stops
DCA10:37 pmWashington, D.C. Reagan-National
$2,627
China Eastern
Mar 25
IAD1:19 pmWashington, D.C. Dulles Intl
23h 46m
2 stops
VTE12:05 amVientiane Wattay
Mar 30
VTE1:00 amVientiane Wattay
29h 19m
2 stops
IAD7:19 pmWashington, D.C. Dulles Intl
$3,137

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

Our best Austrian Airlines deals on Washington, D.C. to Vientiane flight tickets
Austrian Airlines
Mar 22
IAD7:00 pmWashington, D.C. Dulles Intl
37h 45m
2 stops
VTE7:45 pmVientiane Wattay
Mar 31
VTE8:30 pmVientiane Wattay
29h 05m
2 stops
IAD2:35 pmWashington, D.C. Dulles Intl
$3,332
Austrian Airlines
Mar 21
IAD7:00 pmWashington, D.C. Dulles Intl
37h 45m
2 stops
VTE7:45 pmVientiane Wattay
Mar 31
VTE8:30 pmVientiane Wattay
29h 05m
2 stops
IAD2:35 pmWashington, D.C. Dulles Intl
$3,437
Austrian Airlines
Mar 20
IAD7:00 pmWashington, D.C. Dulles Intl
37h 45m
2 stops
VTE7:45 pmVientiane Wattay
Mar 28
VTE8:30 pmVientiane Wattay
29h 05m
2 stops
IAD2:35 pmWashington, D.C. Dulles Intl
$3,928

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 February 23, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Vientiane that are best for you.

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Fly to

Route

Depart

Return

Price

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 4/7

3:10 pm-12:40 pm

2 stops34h 30m

Vientiane Wattay

Tue 4/14

8:30 pm-9:45 am

2 stops48h 15m

$1,170

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 4/28

3:10 pm-12:40 pm

2 stops34h 30m

Vientiane Wattay

Tue 5/26

8:30 pm-9:45 am

2 stops48h 15m

$1,176

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 4/28

8:20 pm-10:35 am

2 stops27h 15m

Vientiane Wattay

Wed 5/27

11:20 am-8:40 am

3 stops32h 20m

$1,218

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 4/28

8:20 pm-10:35 am

2 stops27h 15m

Vientiane Wattay

Wed 5/27

11:20 am-8:40 am

3 stops32h 20m

$1,229

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 4/7

9:00 pm-3:35 pm

3 stops31h 35m

Vientiane Wattay

Tue 4/14

8:30 pm-4:05 pm

2 stops30h 35m

$1,264

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 4/28

8:20 pm-10:35 am

2 stops27h 15m

Vientiane Wattay

Tue 5/26

11:20 am-8:40 am

3 stops32h 20m

$1,281

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 4/28

8:20 pm-7:35 pm

3 stops36h 15m

Vientiane Wattay

Wed 5/27

11:20 am-8:40 am

3 stops32h 20m

$1,292

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Sun 3/22

10:15 pm-9:45 pm

2 stops36h 30m

Vientiane Wattay

Sat 3/28

7:40 am-11:35 am

2 stops38h 55m

$1,338

Washington, D.C.Vientiane

DCA - VTE

DCAVTE

Washington, D.C. Reagan-National

Mon 3/23

11:00 am-12:05 am

2 stops26h 05m

Vientiane Wattay

Mon 3/30

1:00 am-10:37 pm

2 stops32h 37m

$1,915

Washington, D.C.Vientiane

DCA - VTE

DCAVTE

Washington, D.C. Reagan-National

Wed 3/25

11:00 am-12:05 am

2 stops26h 05m

Vientiane Wattay

Mon 3/30

1:00 am-10:37 pm

2 stops32h 37m

$2,627

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest 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 36h on average. On the other hand, flying from Baltimore to Vientiane takes 37h 12m 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

34h 30m

Direct flights

None
The fastest flight from Washington, D.C. to Vientiane takes 34h 30m
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 34h 30m.

  • 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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