The cheapest times to fly from MDZ to IAD are

  • January 22nd to March 25th (except the weeks of February 12th and February 19th)
  • April 16th to June 3rd (except the week of May 7th)
  • September 3rd to December 2nd (except the week of November 12th)

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 MDZ to IAD is early to mid September. Prices can be as high as $2044 for Monday flights during early January, or as low as $986 for Thursday flights around early to mid September.


When to Fly to Washington

Flying from Mendoza (MDZ) to Washington, DC (IAD) will usually cost between $1016 to $1674 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid September with an average ticket price of $1125. Due to high demand the most expensive time to fly is early January, with an average price of $1727. Planning your trip to low-cost times can easily save you $601 on economy flights and even more on first-class flights. Generally, any price below $1267 can be considered a good price for a round-trip MDZ to IAD flight.

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

MDZ to IAD Flight Prices

Compared to other flights, the MDZ to IAD flight is slightly more expensive than the average and costs less than the average flight leaving from Mendoza. The average price per mile (for a direct flight) is $0.16, which is far below average.


Flight Prices by Day of the Week

Thursday is usually the cheapest day to fly to IAD, and Tuesday the cheapest day to fly back into MDZ. Mondays are the most expensive days to fly to Washington, and Fridays are the most expensive days to return to Mendoza. Selecting flights on the least expensive days could save you up to $386 (25%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Thursday and returning a week later will cost an average of $1168. Return trip prices are from the IAD to MDZ 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 MDZ to IAD can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 9 hour 58 minutes may not be realistic.


Flight Hacking MDZ to IAD

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 MDZ to IAD — but Champion Traveler does!

Hack #1: Lima (MDZ > LIM > IAD)

  • Price for both tickets: $853
  • Average savings: $414 (32.68%)

See MDZ to SCL flights

Hack #2: Santiago (MDZ > SCL > IAD)

  • Price for both tickets: $952
  • Average savings: $316 (24.9%)

See MDZ to LIM flights

Hack #3: Miami, FL (MDZ > MIA > IAD)

  • Price for both tickets: $1018
  • Average savings: $250 (19.69%)

See MDZ to MIA flights


Flight Questions Answered

Still have questions about flying from MDZ to IAD? We’ve got answers.

Which airlines fly this route?

You can find 10 major airlines flying this route most often: Aerolineas Argentinas, Air Canada, American, Avianca, COPA, Delta, Gol, LATAM, Qantas, United, and potentially more during busy seasons.

How far away is it from Washington Dulles International Airport to El Plumerillo Airport?

The distance between the two airports is roughly 4990 miles or 8031 kilometers.

How long does it take to fly from MDZ to IAD?

The real-world flight time for a nonstop MDZ to IAD flight is about 9 hour 58 minutes.

How many flights go between Mendoza and Washington, DC?

It depends on the day of the week and the date, but a typical day might have around 10 available flights from MDZ to IAD.


Airport Location Info


Departing Airport

Origination code MDZ
Origination airport name El Plumerillo Airport
City Mendoza
Country Argentina
Latitude -32.8
Longitude -68.8

Return Airport

Destination code IAD
Destination airport name Washington Dulles International Airport
City Washington, DC
Country the United States
Latitude 38.9
Longitude -77.5


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.