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Cheap flights from Washington, D.C. to Vientiane from $579

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 7/17. 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
1 adult, Economy, 0 bags

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
9:00 pm - 11:00 am
IAD
-
VTE
27h 00m
2 stops
Multiple Airlines Logo
1:30 pm - 3:40 pm
VTE
-
IAD
37h 10m
2 stops
$1,193Multiple Airlines
Tue, Sep 1 - Mon, Sep 14
Multiple Airlines Logo
9:00 pm - 11:00 am
IAD
-
VTE
27h 00m
2 stops
Multiple Airlines Logo
6:20 pm - 3:40 pm
VTE
-
IAD
32h 20m
2 stops
$1,206Multiple Airlines
Tue, Sep 8 - Wed, Sep 23
Multiple Airlines Logo
8:05 pm - 11:15 am
IAD
-
VTE
27h 10m
2 stops
Multiple Airlines Logo
8:30 pm - 3:55 pm
VTE
-
IAD
31h 25m
2 stops
$1,233Multiple Airlines
Fri, Nov 27 - Thu, Dec 10
Multiple Airlines Logo
8:05 pm - 7:45 pm
IAD
-
VTE
35h 40m
2 stops
Multiple Airlines Logo
7:35 am - 8:30 am
VTE
-
IAD
36h 55m
2 stops
$1,246Multiple Airlines
Fri, Nov 27 - Thu, Dec 10
Multiple Airlines Logo
9:00 pm - 11:00 am
IAD
-
VTE
27h 00m
2 stops
Multiple Airlines Logo
1:30 pm - 8:45 am
VTE
-
IAD
30h 15m
2 stops
$1,259Multiple Airlines
Mon, Sep 7 - Fri, Sep 25
Lufthansa Logo
10:20 pm - 7:45 pm
IAD
-
VTE
34h 25m
2 stops
Lufthansa Logo
1:30 pm - 7:25 pm
VTE
-
IAD
40h 55m
2 stops
$1,281Lufthansa
Sun, Sep 6 - Mon, Sep 21
Multiple Airlines Logo
9:00 pm - 12:40 pm
IAD
-
VTE
28h 40m
2 stops
Multiple Airlines Logo
11:20 am - 3:40 pm
VTE
-
IAD
39h 20m
3 stops
$1,287Multiple Airlines
Tue, Sep 1 - Mon, Sep 14
Austrian Airlines Logo
5:45 pm - 7:45 pm
IAD
-
VTE
39h 00m
2 stops
Austrian Airlines Logo
8:30 pm - 2:00 pm
VTE
-
IAD
28h 30m
2 stops
$1,309Austrian Airlines
Mon, Sep 7 - Tue, Sep 22
China Southern Logo
8:37 am - 10:30 am
BWI
-
VTE
37h 53m
2 stops
China Southern Logo
11:30 am - 10:34 am
VTE
-
BWI
35h 04m
3 stops
$12,285China Southern
Fri, Dec 18 - Fri, Jan 1
China Southern Logo
8:37 am - 10:30 am
BWI
-
VTE
37h 53m
2 stops
China Southern Logo
11:30 am - 8:26 am
VTE
-
BWI
32h 56m
2 stops
$12,326China Southern
Fri, Dec 18 - Fri, Jan 1

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Lufthansa flights from Washington, D.C. to Vientiane

Our best Lufthansa deals on Washington, D.C. to Vientiane flight tickets
Lufthansa
Sep 6
IAD10:20 pmWashington, D.C. Dulles Intl
34h 25m
2 stops
VTE7:45 pmVientiane Wattay
Sep 21
VTE1:30 pmVientiane Wattay
40h 55m
2 stops
IAD7:25 pmWashington, D.C. Dulles Intl
$1,281
Lufthansa
Sep 6
IAD10:20 pmWashington, D.C. Dulles Intl
34h 25m
2 stops
VTE7:45 pmVientiane Wattay
Sep 22
VTE1:30 pmVientiane Wattay
40h 55m
2 stops
IAD7:25 pmWashington, D.C. Dulles Intl
$1,356
Lufthansa
Sep 6
IAD10:20 pmWashington, D.C. Dulles Intl
34h 25m
2 stops
VTE7:45 pmVientiane Wattay
Sep 24
VTE1:30 pmVientiane Wattay
40h 55m
2 stops
IAD7:25 pmWashington, D.C. Dulles Intl
$1,441

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

Our best Austrian Airlines deals on Washington, D.C. to Vientiane flight tickets
Austrian Airlines
Sep 7
IAD5:45 pmWashington, D.C. Dulles Intl
39h 00m
2 stops
VTE7:45 pmVientiane Wattay
Sep 22
VTE8:30 pmVientiane Wattay
28h 30m
2 stops
IAD2:00 pmWashington, D.C. Dulles Intl
$1,309
Austrian Airlines
Sep 12
IAD5:45 pmWashington, D.C. Dulles Intl
39h 00m
2 stops
VTE7:45 pmVientiane Wattay
Sep 23
VTE8:30 pmVientiane Wattay
28h 30m
2 stops
IAD2:00 pmWashington, D.C. Dulles Intl
$1,384
Austrian Airlines
Sep 12
IAD5:45 pmWashington, D.C. Dulles Intl
39h 00m
2 stops
VTE7:45 pmVientiane Wattay
Sep 24
VTE8:30 pmVientiane Wattay
28h 30m
2 stops
IAD2:00 pmWashington, D.C. Dulles Intl
$1,459

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 July 7, 2026.
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

Cheapest round-trip

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 9/1

9:00 pm-11:00 am

2 stops27h 00m

Vientiane Wattay

Mon 9/14

1:30 pm-3:40 pm

2 stops37h 10m

$1,193

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 9/8

9:00 pm-11:00 am

2 stops27h 00m

Vientiane Wattay

Wed 9/23

6:20 pm-3:40 pm

2 stops32h 20m

$1,206

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Fri 11/27

8:05 pm-11:15 am

2 stops27h 10m

Vientiane Wattay

Thu 12/10

8:30 pm-3:55 pm

2 stops31h 25m

$1,233

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Fri 11/27

8:05 pm-7:45 pm

2 stops35h 40m

Vientiane Wattay

Thu 12/10

7:35 am-8:30 am

2 stops36h 55m

$1,246
Quickest round-trip

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Mon 9/7

9:00 pm-11:00 am

2 stops27h 00m

Vientiane Wattay

Fri 9/25

1:30 pm-8:45 am

2 stops30h 15m

$1,259

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Sun 9/6

10:20 pm-7:45 pm

2 stops34h 25m

Vientiane Wattay

Mon 9/21

1:30 pm-7:25 pm

2 stops40h 55m

$1,281

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 9/1

9:00 pm-12:40 pm

2 stops28h 40m

Vientiane Wattay

Mon 9/14

11:20 am-3:40 pm

3 stops39h 20m

$1,287

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Mon 9/7

5:45 pm-7:45 pm

2 stops39h 00m

Vientiane Wattay

Tue 9/22

8:30 pm-2:00 pm

2 stops28h 30m

$1,309

BaltimoreVientiane

BWI - VTE

BWIVTE

Baltimore/Washington

Fri 12/18

8:37 am-10:30 am

2 stops37h 53m

Vientiane Wattay

Fri 1/1

11:30 am-10:34 am

3 stops35h 04m

$12,285

BaltimoreVientiane

BWI - VTE

BWIVTE

Baltimore/Washington

Fri 12/18

8:37 am-10:30 am

2 stops37h 53m

Vientiane Wattay

Fri 1/1

11:30 am-8:26 am

2 stops32h 56m

$12,326

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 29h 02m on average. On the other hand, flying from Baltimore to Vientiane takes 36h 05m 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 00m

Direct flights

None
The fastest flight from Washington, D.C. to Vientiane takes 27h 00m
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

Frequently asked questions about flying from Washington, D.C. to Vientiane

  • 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 27h 00m.

  • 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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