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Cheap flights from Chicago to Buenos Aires from $342

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Buenos Aires departing on 6/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago to Buenos Aires

Cheap round-trip flights

These are some of the best round-trip flight deals from Chicago to Buenos Aires that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Chicago to Buenos Aires.

Cheap last minute flights

Planning a quick getaway from Chicago to Buenos Aires? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Buenos Aires, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Chicago to Buenos Aires

Find recent round-trip train or bus tickets from Chicago to Buenos Aires.

All round-trip flight deals from Chicago to Buenos Aires

The cheapest plane tickets from Chicago to Buenos Aires found on KAYAK recently.
2:35 pm - 4:25 amORD-EZE
35h 50m2 stops
5:30 am - 1:15 pmEZE-ORD
33h 45m2 stops
$717Avianca
Find Deal
Wed, Apr 16 - Wed, Apr 23
1:35 pm - 4:40 amORD-EZE
36h 05m2 stops
6:20 am - 1:15 pmEZE-ORD
32h 55m2 stops
$760Avianca
Find Deal
Wed, Mar 5 - Tue, Mar 11
2:35 pm - 4:25 amORD-EZE
35h 50m2 stops
2:30 am - 1:15 pmEZE-ORD
36h 45m2 stops
$781Avianca
Find Deal
Wed, Apr 16 - Tue, Apr 22
7:54 am - 4:12 amORD-EZE
18h 18m1 stop
2:13 am - 12:34 amEZE-ORD
24h 21m1 stop
$1,023Copa Airlines
Find Deal
Wed, Jun 4 - Tue, Jun 10
9:54 am - 9:00 amMDW-EZE
21h 06m1 stop
8:55 pm - 9:09 amEZE-MDW
14h 14m1 stop
$1,025Delta
Find Deal
Wed, Mar 12 - Wed, Mar 19
5:30 pm - 9:00 amORD-EZE
13h 30m1 stop
10:25 pm - 12:55 pmEZE-ORD
16h 30m1 stop
$1,025Delta
Find Deal
Mon, Mar 10 - Tue, Mar 18
8:10 pm - 8:00 amORD-EZE
33h 50m1 stop
9:00 pm - 10:46 amEZE-ORD
15h 46m1 stop
$1,036United Airlines
Find Deal
Wed, Jun 4 - Wed, Jun 11
7:54 am - 12:47 amORD-EZE
14h 53m1 stop
10:05 am - 12:34 amEZE-ORD
16h 29m1 stop
$1,048Copa Airlines
Find Deal
Tue, May 13 - Fri, May 30
5:45 am - 7:20 amORD-EZE
22h 35m1 stop
9:00 pm - 9:25 amEZE-ORD
14h 25m1 stop
$1,060United Airlines
Find Deal
Tue, Feb 11 - Tue, Apr 8
12:05 pm - 9:30 amORD-EZE
19h 25m1 stop
8:30 pm - 9:05 amEZE-ORD
14h 35m1 stop
$1,065American Airlines
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Sat, Mar 15 - Wed, Mar 26
2:35 pm - 12:10 amORD-EZE
31h 35m1 stop
$342Avianca
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Wed, Jun 4
2:34 pm - 3:55 amORD-EZE
35h 21m3 stops
Tue, Mar 11
2:34 pm - 8:00 amORD-AEP
39h 26m3 stops
Tue, Mar 11
2:50 pm - 7:45 amORD-EZE
14h 55m1 stop
$718American Airlines
Find Deal
Tue, Mar 11
1:05 pm - 6:13 pmMDW-EZE
27h 08m2 stops
$757LATAM Airlines
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Wed, Jun 4
1:05 pm - 7:40 pmMDW-AEP
28h 35m2 stops
$757LATAM Airlines
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Wed, Jun 4
10:57 am - 9:00 amMDW-EZE
19h 03m1 stop
$758Delta
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Sun, Mar 2
11:15 am - 9:45 amORD-EZE
19h 30m2 stops
$758Delta
Find Deal
Sun, Mar 2
1:03 am - 9:55 pmORD-EZE
17h 52m1 stop
$1,016Aeromexico
Find Deal
Wed, Jan 22
1:23 am - 9:55 pmORD-EZE
17h 32m1 stop
$1,467Aeromexico
Find Deal
Sat, Mar 1
1:35 pm - 4:56 amORD-EZE
36h 21m2 stops
1:45 am - 12:15 pmEZE-ORD
13h 30m1 stop
$850Avianca
Find Deal
Mon, Jan 20 - Tue, Feb 4
1:35 pm - 5:35 amORD-EZE
13h 00m1 stop
1:45 am - 12:15 pmEZE-ORD
13h 30m1 stop
$887Avianca
Find Deal
Mon, Jan 20 - Tue, Feb 4
1:35 pm - 5:35 amORD-EZE
13h 00m1 stop
6:15 am - 9:34 amEZE-ORD
30h 19m2 stops
Mon, Jan 20 - Wed, Feb 5
6:56 am - 10:13 pmORD-EZE
36h 17m1 stop
10:55 am - 11:27 pmEZE-ORD
15h 32m1 stop
$1,076Copa Airlines
Find Deal
Mon, Jan 20 - Wed, Feb 5
5:07 pm - 9:00 amMDW-EZE
12h 53m1 stop
9:00 pm - 10:12 amEZE-MDW
16h 12m1 stop
$1,095Delta
Find Deal
Mon, Jan 20 - Wed, Feb 5
10:57 am - 9:00 amMDW-EZE
19h 03m1 stop
10:25 pm - 5:43 pmEZE-MDW
22h 18m2 stops
$1,100Delta
Find Deal
Mon, Jan 20 - Wed, Feb 5
2:03 pm - 10:30 amORD-AEP
17h 27m2 stops
8:00 pm - 11:59 pmAEP-ORD
30h 59m2 stops
$1,393LATAM Airlines
Find Deal
Fri, Jan 17 - Wed, Jan 22
5:07 pm - 2:45 amMDW-EZE
30h 38m2 stops
3:55 am - 10:20 pmEZE-MDW
21h 25m2 stops
$1,957LATAM Airlines
Find Deal
Fri, Jan 17 - Sun, Jan 19
1:03 am - 9:55 pmORD-EZE
17h 52m1 stop
11:55 pm - 11:12 amEZE-ORD
38h 17m2 stops
$2,972Aeromexico
Find Deal
Sun, Jan 19 - Wed, Feb 5
1:03 am - 9:55 pmORD-EZE
17h 52m1 stop
11:55 pm - 12:46 pmEZE-ORD
15h 51m1 stop
$4,409Aeromexico
Find Deal
Tue, Jan 21 - Sun, Feb 2

Delta flights from Chicago to Buenos Aires

Our best Delta deals on Chicago to Buenos Aires flight tickets
Delta
Mar 12
MDW9:54 amChicago Midway
21h 06m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Mar 19
EZE8:55 pmBuenos Aires Ministro Pistarini
14h 14m
1 stop
MDW9:09 amChicago Midway
Delta
Mar 12
MDW12:51 pmChicago Midway
18h 09m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Mar 19
EZE8:55 pmBuenos Aires Ministro Pistarini
17h 41m
2 stops
MDW12:36 pmChicago Midway
Delta
Mar 15
MDW9:54 amChicago Midway
21h 06m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Mar 26
EZE10:25 pmBuenos Aires Ministro Pistarini
21h 37m
2 stops
MDW6:02 pmChicago Midway

American Airlines flights from Chicago to Buenos Aires

Our best American Airlines deals on Chicago to Buenos Aires flight tickets
American Airlines
Mar 15
ORD12:05 pmChicago O'Hare Intl
19h 25m
1 stop
EZE9:30 amBuenos Aires Ministro Pistarini
Mar 26
EZE8:30 pmBuenos Aires Ministro Pistarini
14h 35m
1 stop
ORD9:05 amChicago O'Hare Intl
American Airlines
Jan 17
ORD7:04 amChicago O'Hare Intl
20h 55m
1 stop
EZE6:59 amBuenos Aires Ministro Pistarini
Jan 20
EZE10:30 pmBuenos Aires Ministro Pistarini
23h 50m
1 stop
ORD7:20 pmChicago O'Hare Intl

See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Chicago to Buenos Aires

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Chicago and Buenos Aires?

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Chicago is in May. Flight prices, which tend to average around $1,026, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Buenos Aires from Chicago during September instead. Flights to Buenos Aires in September, while not as cheap as those in May, still average around $1,079.

What is the cheapest day to depart on your flight to Buenos Aires?

On average, the least expensive day to fly to Buenos Aires from Chicago is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,133. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Thursday is $1,268.

What is the cheapest time of day to depart on your flight to Buenos Aires?

Our most recent data shows that the best time of day to fly to Buenos Aires is in the evening. Flights from Chicago to Buenos Aires during this time can be as low as $1,103. Try not to purchase tickets at noon because they tend to be around $1,268. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Buenos Aires?

You are more likely to see cheaper flights to Buenos Aires from Chicago when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $1,203 when searching 26 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Chicago for as low as $1,072 on momondo.

How have Chicago to Buenos Aires flight prices changed over time?


When to book flights from Chicago to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Buenos Aires (CHI to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Buenos Aires

Best Price Found

$342

Fastest flight time

12h 55m

Direct flights

None

Airports in Buenos Aires

2 airports
The best one-way flight to Buenos Aires from Chicago in the past 72 hours is $342. The best round-trip flight deal from Chicago to Buenos Aires found on momondo in the last 72 hours is $717.
The fastest flight from Chicago to Buenos Aires takes 12h 55m
There are no direct flights from Chicago to Buenos Aires. Popular non-direct routes for this connection are Chicago O'Hare Intl Airport - Buenos Aires Jorge Newbery Airport, Chicago O'Hare Intl Airport - Buenos Aires Ministro Pistarini Airport and Chicago Midway Airport - Buenos Aires Ministro Pistarini Airport.
There are 2 airports near Buenos Aires: Buenos Aires Ministro Pistarini (EZE), Buenos Aires Jorge Newbery (AEP)

  • How far is Chicago to Buenos Aires by plane?

    A flight from Chicago to Buenos Aires will travel around 5596.4 mi. 12h 55m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Chicago to Buenos Aires?

    Prices for flights from Chicago to Buenos Aires are updated daily.

  • How many operators does momondo search for flights from Chicago to Buenos Aires?

  • How old do you have to be to fly from Chicago to Buenos Aires?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Buenos Aires.

  • What documentation or ID do you need to fly to Buenos Aires?

    The travel and health documents you'll need for your trip to Buenos Aires may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Chicago to Buenos Aires?


Best airlines flying from Chicago to Buenos Aires

Compare and see reviews for airlines that fly from Chicago to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
AviancaPriceFrom $762Free CancellationRating
6.9
2,573 reviews
Search Avianca flights
DeltaPriceFrom $778Free CancellationRating
8.0
8,511 reviews
Search Delta flights
Copa AirlinesPriceFrom $916Free CancellationRating
7.6
1,658 reviews
Search Copa Airlines flights
American AirlinesPriceFrom $1,023Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,060Free CancellationRating
7.4
8,965 reviews
Search United Airlines flights
AeromexicoPriceFrom $1,085Free CancellationRating
7.5
1,849 reviews
Search Aeromexico flights

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Buenos Aires?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Buenos Aires from Chicago.

Can I find flights from Chicago to Buenos Aires with flexible booking policies on momondo?

Yes. All flights to Buenos Aires from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Chicago to Buenos Aires?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Buenos Aires.

I’m not ready to book a flight from Chicago to Buenos Aires right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Buenos Aires flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires