The cheapest times to fly from ORD to AEP are
- January 15th to February 11th (except the week of January 22nd)
- April 16th to June 24th (except the weeks of April 23rd and May 7th)
- August 6th to October 7th
- October 22nd to November 18th
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 AEP is mid to late September. Prices can be as high as $1895 for Friday flights during late December, or as low as $1029 for Tuesday flights around mid to late September.
When to Fly to Buenos Aires
Flying from Chicago, IL (ORD) to Buenos Aires (AEP) will usually cost between $1033 to $1353 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 $1029. Due to high demand the most expensive time to fly is late December, with an average price of $1604. Planning your trip to low-cost times can easily save you $575 on economy flights and even more on first-class flights. Generally, any price below $1054 can be considered a good price for a round-trip ORD to AEP flight.
See below for a graph of average weekly prices for the ORD to AEP route. All prices are for round-trip tickets in USD.
Compared to other flights, the ORD to AEP 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 $0.12, which is far below average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly to Buenos Aires, and Saturdays are the most expensive days to return to Chicago. Selecting flights on the least expensive days could save you up to $97 (7%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1078. Return trip prices are from the AEP to ORD flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from ORD to AEP can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 11 hour 4 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 AEP while comparing.
- 19 miles (31 km) away from AEP
- Usually 1.66% less expensive than AEP
- 1-layover flights available
Flight Hacking ORD to AEP
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 AEP — but Champion Traveler does!
- Price for both tickets: $967
- Average savings: $87 (8.21%)
Flight Questions Answered
Still have questions about flying from ORD to AEP? We’ve got answers.
Which airlines fly this route?
You can find 7 major airlines flying this route most often: Aerolineas Argentinas, Air Canada, American, COPA, Delta, LATAM, United, and potentially more during busy seasons.
How far away is it from Aeroparque Jorge Newbery Airport to Chicago O’Hare International Airport?
The distance between the two airports is roughly 5607 miles or 9024 kilometers.
How long does it take to fly from ORD to AEP?
The real-world flight time for a nonstop ORD to AEP flight is about 11 hour 4 minutes.
How many flights go between Chicago, IL and Buenos Aires?
It depends on the day of the week and the date, but a typical day might have around 66 available flights from ORD to AEP.
Airport Location Info
|Origination airport name||Chicago O’Hare International Airport|
|Country||the United States|
|Destination airport name||Aeroparque Jorge Newbery Airport|
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.