The cheapest times to fly from IAD to ARI are

  • March 26th to July 15th (except the weeks of April 2nd and June 25th)
  • August 13th to September 2nd
  • September 24th to November 25th

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 IAD to ARI is mid to late August. Prices can be as high as $3653 for Saturday flights during late December, or as low as $1081 for Wednesday flights around mid to late August.


When to Fly to Arica

Flying from Washington, DC (IAD) to Arica (ARI) will usually cost between $1131 to $2228 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late August with an average ticket price of $1147. Due to high demand the most expensive time to fly is late December, with an average price of $2314. Planning your trip to low-cost times can easily save you $1167 on economy flights and even more on first-class flights. Generally, any price below $1287 can be considered a good price for a round-trip IAD to ARI flight.

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

IAD to ARI Flight Prices

Compared to other flights, the IAD to ARI flight is slightly more expensive than the average and costs about as much as the average flight leaving from Washington. The average price per mile (for a direct flight) is $0.2, which is below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to ARI, and Monday the cheapest day to fly back into IAD. 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 $364 (23%) 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 $1280. Return trip prices are from the ARI to IAD 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 IAD to ARI can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 8 hour 9 minutes may not be realistic.


Flight Hacking IAD to ARI

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 IAD to ARI — but Champion Traveler does!

Hack #1: Santiago (IAD > SCL > ARI)

  • Price for both tickets: $1077
  • Average savings: $211 (16.36%)

See IAD to SCL flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 8 major airlines flying this route most often: Air Canada, American, Avianca, COPA, Delta, LATAM, Qantas, United, and potentially more during busy seasons.

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

The distance between the two airports is roughly 3985 miles or 6413 kilometers.

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

The real-world flight time for a nonstop IAD to ARI flight is about 8 hour 9 minutes.

How many flights go between Washington, DC and Arica?

It depends on the day of the week and the date, but a typical day might have around 8 available flights from IAD to ARI.


Airport Location Info


Departing Airport

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

Return Airport

Destination code ARI
Destination airport name Chacalluta Airport
City Arica
Country Chile
Latitude -18.3
Longitude -70.3


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.