Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Washington, D.C. Reagan-National Airport to Vientiane from $623

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. Reagan-National Airport to Vientiane departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Vientiane

Cheap round-trip flights

Logo
11:00 am - 11:00 pmDCA-VTE
25h 00m2 stops
Logo
12:01 am - 8:59 amVTE-DCA
43h 58m2 stops
$1,977
Find Deal
Wed, Sep 3 - Mon, Sep 8
Logo
9:40 am - 11:00 pmDCA-VTE
26h 20m2 stops
Logo
12:01 am - 10:34 pmVTE-DCA
33h 33m2 stops
$2,016
Find Deal
Tue, Sep 16 - Fri, Sep 26
Logo
11:00 am - 11:00 pmDCA-VTE
25h 00m2 stops
Logo
1:25 am - 10:35 pmVTE-DCA
33h 10m2 stops
$2,020
Find Deal
Mon, Sep 1 - Fri, Nov 7
Logo
11:00 am - 11:00 pmDCA-VTE
25h 00m2 stops
Logo
6:45 pm - 8:59 pmVTE-DCA
61h 14m2 stops
$2,989
Find Deal
Tue, Sep 16 - Sat, Sep 27
Logo
6:59 am - 11:00 pmDCA-VTE
29h 01m2 stops
Logo
7:25 pm - 8:00 pmVTE-DCA
60h 35m2 stops
$3,345
Find Deal
Mon, Sep 1 - Sat, Nov 8
Logo
8:40 pm - 5:45 pmDCA-VTE
34h 05m2 stops
Logo
12:01 am - 10:34 pmVTE-DCA
33h 33m2 stops
$3,704
Find Deal
Thu, Oct 2 - Wed, Oct 8

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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 20, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Vientiane that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Vientiane

DCA - VTE

DCAVTE

Washington, D.C. Reagan-National

Wed 9/3

11:00 am-11:00 pm

2 stops25h 00m

Vientiane Wattay

Mon 9/8

12:01 am-8:59 am

2 stops43h 58m

$1,977

Washington, D.C.Vientiane

DCA - VTE

DCAVTE

Washington, D.C. Reagan-National

Tue 9/16

9:40 am-11:00 pm

2 stops26h 20m

Vientiane Wattay

Fri 9/26

12:01 am-10:34 pm

2 stops33h 33m

$2,016

Washington, D.C.Vientiane

DCA - VTE

DCAVTE

Washington, D.C. Reagan-National

Mon 9/1

11:00 am-11:00 pm

2 stops25h 00m

Vientiane Wattay

Fri 11/7

1:25 am-10:35 pm

2 stops33h 10m

$2,020

Washington, D.C.Vientiane

DCA - VTE

DCAVTE

Washington, D.C. Reagan-National

Tue 9/16

11:00 am-11:00 pm

2 stops25h 00m

Vientiane Wattay

Sat 9/27

6:45 pm-8:59 pm

2 stops61h 14m

$2,989

Washington, D.C.Vientiane

DCA - VTE

DCAVTE

Washington, D.C. Reagan-National

Mon 9/1

6:59 am-11:00 pm

2 stops29h 01m

Vientiane Wattay

Sat 11/8

7:25 pm-8:00 pm

2 stops60h 35m

$3,345

Washington, D.C.Vientiane

DCA - VTE

DCAVTE

Washington, D.C. Reagan-National

Thu 10/2

8:40 pm-5:45 pm

2 stops34h 05m

Vientiane Wattay

Wed 10/8

12:01 am-10:34 pm

2 stops33h 33m

$3,704

Washington, D.C.Vientiane

DCA - VTE

DCAVTE

Washington, D.C. Reagan-National

Mon 9/1

7:00 am-5:45 pm

3 stops47h 45m

$623

Washington, D.C.Vientiane

DCA - VTE

DCAVTE

Washington, D.C. Reagan-National

Mon 9/1

8:59 am-5:45 pm

2 stops45h 46m

$706

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Washington, D.C. Reagan-National Airport to Vientiane

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to Vientiane (DCA to VTE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Vientiane

Direct flights

None
There are no direct flights from Washington, D.C. Reagan-National Airport to Vientiane. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Vientiane.
Search flight deals

  • How far is Washington, D.C. Reagan-National to Vientiane Wattay by plane?

    Vientiane Wattay is 8505.0 mi away from Washington, D.C. Reagan-National. Typically, this will take 25h 00m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Vientiane Wattay Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to Vientiane Wattay Airport were last updated today.

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Vientiane Wattay Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Vientiane Wattay Airport.

  • What documentation or ID do you need to fly to Vientiane Wattay Airport?

    The necessary travel and health documents for your Vientiane Wattay Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Washington, D.C. Reagan-National Airport to Vientiane?

    Confirm your travel details to search for the latest offers for flights from Washington, D.C. Reagan-National Airport to Vientiane. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Washington, D.C. Reagan-National Airport to Vientiane with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Vientiane?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Vientiane for you.

Can I find flights from Washington, D.C. to Vientiane with flexible booking policies on momondo?

momondo does allow users to show only those flights to Vientiane from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington, D.C. to Vientiane?

momondo helps you find the best flight between Washington, D.C. and Vientiane by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Vientiane right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Vientiane flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Vientiane trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 8/25
Mon 9/1
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Laos