In terms of precipitation, rainfall in Vientiane ranges from 0.4 - 4.7 inches per month. July is typically the wettest month, when rainfall can reach 4.7 in. January is typically the driest time to visit Vientiane when rainfall is around 0.4 in.

If weather is an important factor for your trip to Vientiane, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 71.6 F).

What is the cheapest time of day to fly from DCA to VTE?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Vientiane as you normally would.

What airport do you fly into for flights to Vientiane from Washington, D.C. Reagan-National?

Vientiane Wattay (VTE) is the airport you will fly into if you book a flight from Washington, D.C. Reagan-National to Vientiane. You should not have trouble finding flights to Wattay from Washington, D.C. Reagan-National; the airport handles an average of 0 inbound flights from Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Vientiane airport from Washington, D.C. Reagan-National. It is only a 2.8 mi journey from Wattay (VTE) to Vientiane’s city center.

Can I find deals for flights from Reagan-National to Vientiane that include hotel bookings?

Yes. In addition to deals on Reagan-National to Vientiane flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Reagan-National to Vientiane?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Vientiane.

Can I find deals for business class flights from Reagan-National to Vientiane?

Yes. Cheapflights offers flight deals from Reagan-National to Vientiane by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,733+ Cheap Flights from Washington, D.C. Reagan-National Airport to Vientiane

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Cheap flight deals from Reagan-National to Vientiane

Cheapest

Best

Last-minute

One-way

Cheapest flights from Reagan-National to Vientiane
Explore the most affordable flight options available from Reagan-National to Vientiane. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 21, 2026.

Sun 10/258:45 pm -

2 stops40h 40m

Tue 11/101:25 am -

2 stops54h 33m

Deal found 9/19

$1,733

Fri 11/276:59 am -

2 stops29h 26m

Fri 12/181:25 am -

2 stops33h 13m

Deal found 9/21

$1,928

Fri 10/234:20 pm -

3 stops31h 20m

Mon 11/161:05 am -

3 stops32h 45m

Deal found 9/19

$1,991

Mon 11/1611:05 am -

2 stops25h 00m

Sun 1/241:05 am -

2 stops30h 53m

Deal found 9/19

$1,995

Mon 11/1611:05 am -

2 stops25h 00m

Sun 1/171:05 am -

2 stops29h 13m

Deal found 9/17

$2,217

Sat 10/246:59 am -

2 stops30h 06m

Mon 11/161:05 am -

2 stops33h 21m

Deal found 9/18

$2,246

Mon 11/29:30 am -

2 stops41h 35m

Sun 1/34:25 pm -

3 stops61h 34m

Deal found 9/18

$2,960

Fri 12/259:30 am -

2 stops41h 35m

Wed 1/64:25 pm -

2 stops39h 35m

Deal found 9/20

$3,046

Sat 10/2411:00 am -

2 stops26h 05m

Fri 10/301:05 am -

2 stops29h 53m

Deal found 9/17

$3,308

Best flights from Reagan-National to Vientiane
Discover carefully curated flight deals from Reagan-National to Vientiane that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.

Sun 10/258:45 pm -

2 stops40h 40m

Tue 11/101:25 am -

2 stops54h 33m

Deal found 9/19

$1,733

Wed 2/311:00 am -

2 stops25h 05m

Sat 2/271:05 am -

2 stops29h 00m

Deal found 9/19

$2,559

Fri 10/234:20 pm -

3 stops31h 20m

Mon 11/161:05 am -

3 stops32h 45m

Deal found 9/19

$1,991

Mon 11/1611:05 am -

2 stops25h 00m

Sun 1/241:05 am -

2 stops30h 53m

Deal found 9/19

$1,995

Mon 11/1611:05 am -

2 stops25h 00m

Sun 1/171:05 am -

2 stops29h 13m

Deal found 9/17

$2,217

Sat 10/246:59 am -

2 stops30h 06m

Mon 11/161:05 am -

2 stops33h 21m

Deal found 9/18

$2,246

Mon 11/29:30 am -

2 stops41h 35m

Sun 1/34:25 pm -

3 stops61h 34m

Deal found 9/18

$2,960

Fri 12/259:30 am -

2 stops41h 35m

Wed 1/64:25 pm -

2 stops39h 35m

Deal found 9/20

$3,046

Sat 10/2411:00 am -

2 stops26h 05m

Fri 10/301:05 am -

2 stops29h 53m

Deal found 9/17

$3,308

Last-minute flights from Reagan-National to Vientiane
Discover last-minute flight deals from Reagan-National to Vientiane. Data last updated September 21, 2026 and is based on user searches.

Sun 10/188:40 pm -

2 stops26h 50m

Tue 11/101:25 am -

2 stops43h 33m

Deal found 9/21

$10,601

Fri 10/234:20 pm -

3 stops31h 20m

Mon 11/161:05 am -

3 stops32h 45m

Deal found 9/19

$1,991

Sat 10/246:59 am -

2 stops30h 06m

Mon 11/161:05 am -

2 stops33h 21m

Deal found 9/18

$2,246

Sat 10/2411:00 am -

2 stops26h 05m

Fri 10/301:05 am -

2 stops29h 53m

Deal found 9/17

$3,308

Sun 10/258:45 pm -

2 stops40h 40m

Tue 11/101:25 am -

2 stops54h 33m

Deal found 9/19

$1,733

Find flight deals from Reagan-National to Vientiane

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$1,462 (Booking.com)

Provider with most accurate pricing for Washington, D.C. (WAS)-Vientiane Wattay flight deals.

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From Washington, D.C. Reagan-National to Vientiane Wattay

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

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Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Vientiane

DCA Washington, D.C. Reagan-National - VTE Vientiane Wattay

DCAVTE

Washington, D.C. Reagan-National

Sun 10/25

8:45 pm-12:25 am

2 stops40h 40m

Vientiane Wattay

Tue 11/10

1:25 am-7:58 pm

2 stops54h 33m

$1,733

Washington, D.C.Vientiane

DCA Washington, D.C. Reagan-National - VTE Vientiane Wattay

DCAVTE

Washington, D.C. Reagan-National

Fri 10/23

4:20 pm-10:40 am

3 stops31h 20m

Vientiane Wattay

Mon 11/16

1:05 am-9:50 pm

3 stops32h 45m

$1,991

Washington, D.C.Vientiane

DCA Washington, D.C. Reagan-National - VTE Vientiane Wattay

DCAVTE

Washington, D.C. Reagan-National

Mon 11/16

11:05 am-12:05 am

2 stops25h 00m

Vientiane Wattay

Sun 1/24

1:05 am-7:58 pm

2 stops30h 53m

$1,995

Washington, D.C.Vientiane

DCA Washington, D.C. Reagan-National - VTE Vientiane Wattay

DCAVTE

Washington, D.C. Reagan-National

Mon 11/16

11:05 am-12:05 am

2 stops25h 00m

Vientiane Wattay

Sun 1/17

1:05 am-6:18 pm

2 stops29h 13m

$2,217

Washington, D.C.Vientiane

DCA Washington, D.C. Reagan-National - VTE Vientiane Wattay

DCAVTE

Washington, D.C. Reagan-National

Sat 10/24

6:59 am-12:05 am

2 stops30h 06m

Vientiane Wattay

Mon 11/16

1:05 am-10:26 pm

2 stops33h 21m

$2,246

Washington, D.C.Vientiane

DCA Washington, D.C. Reagan-National - VTE Vientiane Wattay

DCAVTE

Washington, D.C. Reagan-National

Wed 2/3

11:00 am-12:05 am

2 stops25h 05m

Vientiane Wattay

Sat 2/27

1:05 am-6:05 pm

2 stops29h 00m

$2,559

Washington, D.C.Vientiane

DCA Washington, D.C. Reagan-National - VTE Vientiane Wattay

DCAVTE

Washington, D.C. Reagan-National

Mon 11/2

9:30 am-3:05 pm

2 stops41h 35m

Vientiane Wattay

Sun 1/3

4:25 pm-5:59 pm

3 stops61h 34m

$2,960

Washington, D.C.Vientiane

DCA Washington, D.C. Reagan-National - VTE Vientiane Wattay

DCAVTE

Washington, D.C. Reagan-National

Fri 12/25

9:30 am-3:05 pm

2 stops41h 35m

Vientiane Wattay

Wed 1/6

4:25 pm-8:00 pm

2 stops39h 35m

$3,046

Washington, D.C.Vientiane

DCA Washington, D.C. Reagan-National - VTE Vientiane Wattay

DCAVTE

Washington, D.C. Reagan-National

Sat 10/24

11:00 am-12:05 am

2 stops26h 05m

Vientiane Wattay

Fri 10/30

1:05 am-7:58 pm

2 stops29h 53m

$3,308

Quickest round-trip

Washington, D.C.Vientiane

DCA Washington, D.C. Reagan-National - VTE Vientiane Wattay

DCAVTE

Washington, D.C. Reagan-National

Thu 10/8

9:40 am-1:20 pm

2 stops40h 40m

Vientiane Wattay

Wed 12/31

12:00 am-12:00 pm

Nonstop0h 00m

$4,892

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/21

Sorted by cheapest first

Best time to book a flight from Reagan-National to Vientiane

Have a flexible travel schedule? Discover the best time to fly to Vientiane from Reagan-National with our price prediction graph.

DCA-VTE

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

What airport do you fly into for flights to Vientiane from Washington, D.C. Reagan-National?
Vientiane Wattay (VTE) is the airport you will fly into if you book a flight from Washington, D.C. Reagan-National to Vientiane. You should not have trouble finding flights to Wattay from Washington, D.C. Reagan-National; the airport handles an average of 0 inbound flights from Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Vientiane airport from Washington, D.C. Reagan-National. It is only a 2.8 mi journey from Wattay (VTE) to Vientiane’s city center.
Can I find deals for flights from Reagan-National to Vientiane that include hotel bookings?
Yes. In addition to deals on Reagan-National to Vientiane flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Vientiane?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Vientiane.
Can I find deals for business class flights from Reagan-National to Vientiane?
Yes. Cheapflights offers flight deals from Reagan-National to Vientiane by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$1,733+ Cheap flights from Reagan-National (DCA) to Vientiane (VTE)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/25. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Reagan-National to Vientiane

Cheapest flights from Reagan-National to VientianeExplore the most affordable flight options available from Reagan-National to Vientiane. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 21, 2026.

Explore the most affordable flight options available from Reagan-National to Vientiane. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 21, 2026.

Best flights from Reagan-National to VientianeDiscover carefully curated flight deals from Reagan-National to Vientiane that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.

Discover carefully curated flight deals from Reagan-National to Vientiane that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.

Last-minute flights from Reagan-National to VientianeDiscover last-minute flight deals from Reagan-National to Vientiane. Data last updated September 21, 2026 and is based on user searches.

Discover last-minute flight deals from Reagan-National to Vientiane. Data last updated September 21, 2026 and is based on user searches.

One-way flights from Reagan-National to VientianeSearch for one-way flight options from Reagan-National to Vientiane. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.

Search for one-way flight options from Reagan-National to Vientiane. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.

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

Best time to book a flight from Reagan-National to Vientiane

Have a flexible travel schedule? Discover the best time to fly to Vientiane from Reagan-National with our price prediction graph.

Related info for your journey

What airport do you fly into for flights to Vientiane from Washington, D.C. Reagan-National?

Can I find deals for flights from Reagan-National to Vientiane that include hotel bookings?

How can I find direct flights from Reagan-National to Vientiane?

Can I find deals for business class flights from Reagan-National to Vientiane?

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Reagan-National and Vientiane flights

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Cheapest flights from Reagan-National to Vientiane
Explore the most affordable flight options available from Reagan-National to Vientiane. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 21, 2026.

Best flights from Reagan-National to Vientiane
Discover carefully curated flight deals from Reagan-National to Vientiane that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.

Last-minute flights from Reagan-National to Vientiane
Discover last-minute flight deals from Reagan-National to Vientiane. Data last updated September 21, 2026 and is based on user searches.

One-way flights from Reagan-National to Vientiane
Search for one-way flight options from Reagan-National to Vientiane. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.