The cheapest times to fly from ORD to ARI are

  • March 26th to July 15th
  • August 13th to September 16th (except the weeks of August 20th and September 3rd)
  • October 1st to October 14th
  • November 5th to December 9th

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 ORD to ARI is early May. Prices can be as high as $2956 for Saturday flights during late December, or as low as $933 for Wednesday flights around early May.


When to Fly to Arica

Flying from Chicago, IL (ORD) to Arica (ARI) will usually cost between $952 to $1606 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early May with an average ticket price of $957. Due to high demand the most expensive time to fly is late December, with an average price of $1687. Planning your trip to low-cost times can easily save you $729 on economy flights and even more on first-class flights. Generally, any price below $1015 can be considered a good price for a round-trip ORD to ARI flight.

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

ORD to ARI Flight Prices

Compared to other flights, the ORD to ARI flight is priced close to the average and costs about as much as the average flight leaving from Chicago. The average price per mile (for a direct flight) is $0.15, which is far below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to ARI, and Tuesday the cheapest day to fly back into ORD. Saturdays are the most expensive days to fly to Arica, and Fridays are the most expensive days to return to Chicago. Selecting flights on the least expensive days could save you up to $181 (16%) 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 $1043. Return trip prices are from the ARI to ORD 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 ORD 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 45 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from ORD to ARI while comparing.

Destination alternative #1: Coronel Carlos Ciriani Santa Rosa International Airport (TCQ) in Tacna

  • 21 miles (34 km) away from ARI
  • Usually 25.57% less expensive than ARI
  • 2-layover flights available

See ORD to TCQ flights


Flight Hacking ORD 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 ORD to ARI — but Champion Traveler does!

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

  • Price for both tickets: $924
  • Average savings: $91 (8.97%)

See ORD to SCL flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 7 major airlines flying this route most often: Air Canada, American, COPA, Delta, InterJet, LATAM, United, and potentially more during busy seasons.

How far away is it from Chacalluta Airport to Chicago O’Hare International Airport?

The distance between the two airports is roughly 4316 miles or 6946 kilometers.

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

The real-world flight time for a nonstop ORD to ARI flight is about 8 hour 45 minutes.

How many flights go between Chicago, IL and Arica?

It depends on the day of the week and the date, but a typical day might have around 14 available flights from ORD to ARI.


Airport Location Info


Departing Airport

Origination code ORD
Origination airport name Chicago O’Hare International Airport
City Chicago, IL
Country the United States
Latitude 42
Longitude -87.9

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.