The cheapest times to fly from DCA to VTE are

  • March 26th to April 8th
  • May 7th to July 1st
  • July 16th to October 28th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from DCA to VTE is mid to late September. Prices can be as high as $5933 for Saturday flights during early February, or as low as $1148 for Wednesday flights around mid to late September.


When to Fly to Vientiane

Flying from Washington, DC (DCA) to Vientiane (VTE) will usually cost between $1291 to $4001 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late September with an average ticket price of $1350. Due to high demand the most expensive time to fly is early February, with an average price of $3370. Planning your trip to low-cost times can easily save you $2020 on economy flights and even more on first-class flights. Generally, any price below $2142 can be considered a good price for a round-trip DCA to VTE flight.

See below for a graph of average weekly prices for the DCA to VTE route. All prices are for round-trip tickets in USD.

DCA to VTE Flight Prices

Compared to other flights, the DCA to VTE flight is more expensive than the average and costs more than the average flight leaving from Washington. The average price per mile (for a direct flight) is $0.16, which is far below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $1980 (51%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $1458. Return trip prices are from the VTE to DCA flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from DCA to VTE can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 16 hour 18 minutes may not be realistic.


Flight Hacking DCA to VTE

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from DCA to VTE — but Champion Traveler does!

Hack #1: Bangkok (DCA > BKK > VTE)

  • Price for both tickets: $1045
  • Average savings: $1098 (51.24%)

See DCA to BKK flights

Hack #2: Shanghai (DCA > PVG > VTE)

  • Price for both tickets: $1094
  • Average savings: $1048 (48.93%)

See DCA to PVG flights

Hack #3: Hanoi (DCA > HAN > VTE)

  • Price for both tickets: $1125
  • Average savings: $1018 (47.5%)

See DCA to HAN flights


Flight Questions Answered

Still have questions about flying from DCA to VTE? We’ve got answers.

Which airlines fly this route?

You can find 26 major airlines flying this route most often: Air Canada, Air India, Alaska, American, ANA, Asiana, Austrian, Bangkok Airways, British Airways, Cathay Dragon, Cathay Pacific, China Airlines, China Eastern, China Southern, Delta, EVA Air, JAL, JetBlue, Korean Air, Lao Airlines, Lufthansa, Qatar Airways, Sichuan Airlines, SWISS, United, Vietnam Airlines, and potentially more during busy seasons.

How far away is it from Wattay International Airport to Ronald Reagan Washington National Airport?

The distance between the two airports is roughly 8508 miles or 13692 kilometers.

How long does it take to fly from DCA to VTE?

The real-world flight time for a nonstop DCA to VTE flight is about 16 hour 18 minutes.

How many flights go between Washington, DC and Vientiane?

It depends on the day of the week and the date, but a typical day might have around 67 available flights from DCA to VTE.


Airport Location Info


Departing Airport

Origination code DCA
Origination airport name Ronald Reagan Washington National Airport
City Washington, DC
Country the United States
Latitude 38.9
Longitude -77

Return Airport

Destination code VTE
Destination airport name Wattay International Airport
City Vientiane
Country Laos
Latitude 18
Longitude 102.6


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.