Journey information
Overview: Chicago, IL to Buenos Aires flight
Flights from Chicago, IL to Buenos Aires depart on average 42 times per day, taking around 12h 35m. Cheap flight tickets for this journey start at $335 (€272) if you book in advance.
The earliest flight runs at 00:10, the last at 23:55. The fastest flight covers the 5599 miles (9011 km) distance in 13h 45m. April is the cheapest month to fly.
Distance 5599 miles (9011 km) |
Average flight duration 12h 35m |
Cheapest ticket price $335 (€272) |
Flights per day 42 |
Fastest flight 13h 45m |
First flight 00:10 |
Last flight 23:55 |
Cheapest month Apr |
Cheapest day Wed |
High season Oct - Dec |
Low season Apr - Jun |
Best day to book ahead 56 days |
The cheapest and fastest flights from Chicago, IL to Buenos Aires
Cheapest price
$820
Average price
$820
Fastest journey
1 d 9 h 38 m
Average duration
1 d 9 h 38 m
Flights per day
1
Distance
9011 km
The best way to find a cheap flight ticket from Chicago, IL to Buenos Aires is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Chicago, IL to Buenos Aires will cost around $820 if you buy it on the day, but the cheapest tickets can be found for only $820.
Of the 1 flights that leave Chicago, IL for Buenos Aires onSat, Mar 28, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sat, Mar 28 the direct flights cover the 9011 km distance in an average of 1 d 9 h 38 m but if you time it right, some flights will get you there in just 1 d 9 h 38 m .
On Sat, Mar 28 the longest flights will take 1 d 9 h 38 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.


Live departures
Chicago, IL to Buenos Aires flight times
The table below shows live departures for Chicago, IL to Buenos Aires flights for tomorrow, Saturday, March 21. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 2:32 AM Chicago, IL | 33h38 | 12:10 PM Buenos Aires | 0 transfersDirect | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Chicago, IL to Buenos Aires by flight
Compare flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Mar 22
Mar 23
Mar 24
Mar 25
Mar 26
Mar 27
Mar 28
Why should you book Chicago, IL to Buenos Aires flights with Omio?
Why book with Omio vs Avianca - Aerovias Nacionales de Colombia?
- Compare with other providers: On Omio, you can not only buy tickets for Avianca - Aerovias Nacionales de Colombia, but also compare tickets for the likes of DELTA to find the best option for your trip from Chicago, IL to Buenos Aires.
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
Why book with Omio over Trip, Kayak or Edreams?
- Compare with other providers: On Omio, you can also compare tickets for the likes of DELTA to find the best option for your trip from Chicago, IL to Buenos Aires.
Airlines: Avianca - Aerovias Nacionales de Colombia, DELTA from Chicago, IL to Buenos AiresFind the best flights between Chicago, IL to Buenos Aires with Omio's travel partners Avianca - Aerovias Nacionales de Colombia, DELTA from $335 (€272). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
Avianca - Aerovias Nacionales de Colombia
DELTA
FAQs: Chicago, IL to Buenos Aires Flight
Find answers to the most common questions about traveling from Chicago, IL to Buenos Aires by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at Buenos Aires, this guide helps you travel smarter and with confidence.

- carnaval, a lively celebration featuring parades, music, and dance
- feria de mataderos, a traditional fair showcasing Argentine culture with crafts and food
- buenos aires international festival of independent cinema (bafici), an annual film festival highlighting independent films from around the world
- tango festival and world cup, a global competition celebrating tango dance and music with performances and workshops.
- Semana Santa, significant religious observances and processions
- Día del Trabajo (Labor Day), a public holiday with various local celebrations
- Día de la Revolución de Mayo, commemorates the May Revolution with patriotic events and gatherings
- Navidad (Christmas), festive decorations and family traditions throughout the city.
popular airports
Popular airports from Chicago, IL to Buenos Aires
- Free Wi-Fi available throughout the airport.
- Shops are located in all terminals, including duty-free and brands like Hudson and MAC Cosmetics.
- Parking available with options including hourly, daily, and economy lots, approximately 2.85€ ($3) per hour.
- Restaurants are located in all terminals, offering a variety of cuisines including American and intertiol. Top options include Tortas Frontera and Publican Tavern.
- Available outside the terminal.
- Elevators, ramps, toilets
- Available throughout the airport.
- Hotels such as Hilton Chicago O'Hare are located on airport grounds, with others like the Hyatt Regency nearby.
- Showers are available in some lounges, such as the United Club, but access may require a fee or membership.
- Lounges available, including United Club and American Airlines Admirals Club.
- Lost and Found located in terminal 1, near the baggage claim area.
- Car rental services are available at the Multi-Modal Facility, with companies like Hertz and Avis.
- CTA Blue Line, O'Hare Station, 45 minutes to city center
- Free Wi-Fi available throughout the airport.
- Shops are available in all concourses, including Hudson News and Chicago Market.
- Parking available, short-term and long-term, approximately 2€ per hour.
- Restaurants are available, including locations like Concourse A and B with options like Harry Caray's and Potbelly Sandwich Shop.
- Available outside the terminal.
- Ramps, toilets
- Available throughout all concourses and terminals.
- Hotels are available within walking distance, such as the Hyatt Place Chicago Midway Airport.
- Lounges available, including the USO Lounge for military personnel.
- Lost and Found located in the main terminal, near baggage claim.
- Car rental services are available on-site, with companies like Avis, Budget, and Hertz.
- CTA Orange Line, Midway station, 13 km
- Free Wi-Fi available throughout the airport.
- Shops are available in all terminals, including duty-free stores and local brands.
- Parking available with short-term and long-term options, approximately 1.9€ ($2) per hour.
- Restaurants are located in all terminals, offering Argentine cuisine and intertiol options like McDold's and Starbucks.
- Available outside the terminal.
- Elevators, ramps
- Available throughout the airport.
- Hotels within walking distance, such as the Holiday Inn Buenos Aires Ezeiza Airport.
- Showers are available in some lounges, typically included in lounge access fees.
- Lounges available, including the Aeropuertos VIP Club, with amenities like food, drinks, and showers.
- Lost and Found located in terminal A, near the information desk.
- Car rental services are available from major companies like Hertz and Avis.
- Bus Line 8, Ezeiza Airport Stop, 22 km
- Free Wi-Fi available throughout the airport.
- Shops include duty-free and local brands, mainly in the departures area.
- Parking available, short-term parking costing approximately 0.16€ (ARS 60) per hour.
- Several restaurants available, including fast food and local cuisine, mainly in the food court area
- Available outside the terminal.
- Elevators, ramps
- Available throughout the airport.
- Hotels nearby, such as the Aeroparque Inn & Suites, within walking distance.
- Lounges available, including Aeropuertos VIP Club.
- Lost and Found located in the arrivals area.
- Car rental services available, with major companies like Hertz and Avis located in the arrivals area
- Bus Line 33, 45, 160, Aeroparque stop, 8 km
More options for your journey from Chicago, IL to Buenos Aires
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