Which airlines fly direct between Chicago and Buenos Aires?

Airlines operating direct flights include United Airlines, American Airlines, Aerolíneas Argentinas, LATAM Argentina.

What is the cheapest fare for this route?

Recorded one-way fares on Prymeo start from as low as $519 depending on season and advance booking.

Home FlightsChicago to Buenos Aires

Verified Route Guide

Flights from Chicago to Buenos Aires

Q: How long is the flight from Chicago to Buenos Aires?

The average nonstop flight time from Chicago (ORD) to Buenos Aires (EZE) is approximately 11h 20m covering a distance of 9049 km.

O'Hare International (ORD) → Ezeiza Ministro Pistarini (EZE)

Fares From$519

Find Tickets Now

Flight Time

11h 20m

Nonstop average

Distance

9049 km

Air route corridor

Best Time to Fly

Year-Round (Best rates booked 3-5 weeks ahead)

Pleasant weather

Extra Fees

$0.00

Zero commission

Route Overview: Chicago to Buenos Aires

Cheap flights from Chicago (ORD) to Buenos Aires (EZE). Compare United Airlines fares from $519 with 0% fees on Prymeo.

Prymeo aggregates real-time flight availability directly from both low-cost carriers and legacy full-service airlines. When searching for tickets between O'Hare International and Ezeiza Ministro Pistarini, our technology checks multiple booking systems in parallel so you never miss a flash sale or promotional discount.

Direct Carriers on This Corridor

United Airlines

American Airlines

Aerolíneas Argentinas

LATAM Argentina

Quick Flight Facts & Corridor Specifications

Live Verified Data

Route Corridor	Chicago (ORD) to Buenos Aires (EZE)
Flight Distance	9,049 kilometers / 5,623 miles
Average Flight Duration	11h 20m (nonstop)
Starting Fare	From $519 (0% added booking fees)
Operating Airlines	United Airlines, American Airlines, Aerolíneas Argentinas, LATAM Argentina
Optimal Travel Season	Year-Round (Best rates booked 3-5 weeks ahead)

Return Flight Route

Buenos Aires (EZE) to Chicago (ORD)

Nonstop return tickets from $519 · 0% booking markup

View Return Leg

Frequently Asked Questions About This Route

How long is the flight from Chicago to Buenos Aires?

The nonstop flight takes approximately 11h 20m, traversing 9049 km.

How far in advance should I book my flight?

For the best rates, we recommend booking between 3 to 6 weeks before your desired departure date, particularly during peak summer and holiday seasons.