Cheap flights from Chicago Midway Airport to Buenos Aires from $339

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 Midway Airport to Buenos Aires departing on 12/9. 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 Midway Airport to Buenos Aires

Cheap round-trip flights

 Logo
10:33 am - 4:30 amMDW-EZE
15h 57m1 stop
 Logo
8:00 am - 9:22 pmEZE-MDW
16h 22m1 stop
Mon, Oct 20 - Sat, Nov 8
LATAM Airlines Logo
5:25 pm - 2:50 amMDW-EZE
30h 25m2 stops
LATAM Airlines Logo
2:45 pm - 12:01 pmEZE-MDW
23h 16m2 stops
$938LATAM Airlines
Find Deal
Wed, Feb 25 - Wed, Mar 18
LATAM Airlines Logo
10:35 am - 6:20 amMDW-EZE
17h 45m2 stops
LATAM Airlines Logo
2:45 pm - 9:56 amEZE-MDW
21h 11m2 stops
$987LATAM Airlines
Find Deal
Wed, Mar 11 - Mon, Mar 23
LATAM Airlines Logo
6:00 am - 6:20 amMDW-EZE
21h 20m2 stops
LATAM Airlines Logo
2:45 pm - 12:01 pmEZE-MDW
24h 16m2 stops
$992LATAM Airlines
Find Deal
Wed, Feb 25 - Thu, Feb 26
Delta Logo
10:47 am - 6:20 amMDW-EZE
16h 33m2 stops
Delta Logo
8:55 pm - 9:54 amEZE-MDW
15h 59m1 stop
$1,015Delta
Find Deal
Wed, Nov 26 - Mon, Dec 8
LATAM Airlines Logo
5:25 pm - 4:00 pmMDW-AEP
20h 35m2 stops
LATAM Airlines Logo
5:15 pm - 12:01 pmAEP-MDW
20h 46m2 stops
$1,015LATAM Airlines
Find Deal
Wed, Mar 11 - Mon, Mar 23
Delta Logo
1:00 pm - 10:15 amMDW-EZE
19h 15m2 stops
Delta Logo
11:55 pm - 6:34 pmEZE-MDW
20h 39m2 stops
$1,020Delta
Find Deal
Wed, Mar 11 - Mon, Mar 23
 Logo
6:24 pm - 7:15 pmMDW-EZE
22h 51m2 stops
 Logo
8:00 am - 9:33 amEZE-MDW
27h 33m1 stop
$1,039
Find Deal
Thu, Oct 9 - Thu, Oct 16
LATAM Airlines Logo
10:49 am - 9:35 amMDW-EZE
19h 46m2 stops
LATAM Airlines Logo
7:43 pm - 9:09 amEZE-MDW
16h 26m2 stops
$1,050LATAM Airlines
Find Deal
Mon, Dec 8 - Mon, Dec 22
Delta Logo
10:40 am - 5:55 amMDW-EZE
17h 15m2 stops
Delta Logo
8:55 pm - 2:38 pmEZE-MDW
20h 43m1 stop
$1,055Delta
Find Deal
Fri, Oct 31 - Tue, Dec 23

Delta flights from Chicago Midway Airport to Buenos Aires

Our best Delta deals on Chicago Midway Airport to Buenos Aires flight tickets
Delta
Nov 26
MDW10:47 amChicago Midway
16h 33m
2 stops
EZE6:20 amBuenos Aires Ministro Pistarini
Dec 8
EZE8:55 pmBuenos Aires Ministro Pistarini
15h 59m
1 stop
MDW9:54 amChicago Midway
Delta
Mar 11
MDW1:00 pmChicago Midway
19h 15m
2 stops
EZE10:15 amBuenos Aires Ministro Pistarini
Mar 23
EZE11:55 pmBuenos Aires Ministro Pistarini
20h 39m
2 stops
MDW6:34 pmChicago Midway
Delta
Oct 31
MDW10:40 amChicago Midway
17h 15m
2 stops
EZE5:55 amBuenos Aires Ministro Pistarini
Dec 23
EZE8:55 pmBuenos Aires Ministro Pistarini
20h 43m
1 stop
MDW2:38 pmChicago Midway

LATAM Airlines flights from Chicago Midway Airport to Buenos Aires

Our best LATAM Airlines deals on Chicago Midway Airport to Buenos Aires flight tickets
LATAM Airlines
Feb 25
MDW5:25 pmChicago Midway
30h 25m
2 stops
EZE2:50 amBuenos Aires Ministro Pistarini
Mar 18
EZE2:45 pmBuenos Aires Ministro Pistarini
23h 16m
2 stops
MDW12:01 pmChicago Midway
LATAM Airlines
Mar 11
MDW10:35 amChicago Midway
17h 45m
2 stops
EZE6:20 amBuenos Aires Ministro Pistarini
Mar 23
EZE2:45 pmBuenos Aires Ministro Pistarini
21h 11m
2 stops
MDW9:56 amChicago Midway
LATAM Airlines
Feb 25
MDW6:00 amChicago Midway
21h 20m
2 stops
EZE6:20 amBuenos Aires Ministro Pistarini
Feb 26
EZE2:45 pmBuenos Aires Ministro Pistarini
24h 16m
2 stops
MDW12:01 pmChicago Midway

momondo Fare Finder

 
Customize your flight search to find flights from Chicago Midway Airport to Buenos Aires that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 14, 2025.
Use the filters below to find and compare flights from Chicago Midway Airport to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Mon 10/20

10:33 am-4:30 am

1 stop15h 57m

Buenos Aires Ministro Pistarini

Sat 11/8

8:00 am-9:22 pm

1 stop16h 22m

$928

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Wed 2/25

5:25 pm-2:50 am

2 stops30h 25m

Buenos Aires Ministro Pistarini

Wed 3/18

2:45 pm-12:01 pm

2 stops23h 16m

$938

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Wed 3/11

10:35 am-6:20 am

2 stops17h 45m

Buenos Aires Ministro Pistarini

Mon 3/23

2:45 pm-9:56 am

2 stops21h 11m

$987

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Wed 2/25

6:00 am-6:20 am

2 stops21h 20m

Buenos Aires Ministro Pistarini

Thu 2/26

2:45 pm-12:01 pm

2 stops24h 16m

$992

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Wed 11/26

10:47 am-6:20 am

2 stops16h 33m

Buenos Aires Ministro Pistarini

Mon 12/8

8:55 pm-9:54 am

1 stop15h 59m

$1,015

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Wed 3/11

5:25 pm-4:00 pm

2 stops20h 35m

Buenos Aires Jorge Newbery

Mon 3/23

5:15 pm-12:01 pm

2 stops20h 46m

$1,015

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Wed 3/11

1:00 pm-10:15 am

2 stops19h 15m

Buenos Aires Ministro Pistarini

Mon 3/23

11:55 pm-6:34 pm

2 stops20h 39m

$1,020

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Thu 10/9

6:24 pm-7:15 pm

2 stops22h 51m

Buenos Aires Ministro Pistarini

Thu 10/16

8:00 am-9:33 am

1 stop27h 33m

$1,039

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Mon 12/8

10:49 am-9:35 am

2 stops19h 46m

Buenos Aires Ministro Pistarini

Mon 12/22

7:43 pm-9:09 am

2 stops16h 26m

$1,050

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Fri 10/31

10:40 am-5:55 am

2 stops17h 15m

Buenos Aires Ministro Pistarini

Tue 12/23

8:55 pm-2:38 pm

1 stop20h 43m

$1,055

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Chicago Midway Airport 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 cheapest day to depart on your flight to Buenos Aires?

On average, the least expensive day to fly to Buenos Aires from Chicago Midway Airport 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 Midway Airport 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.

When to book flights from Chicago Midway Airport to Buenos Aires

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

Cheap Chicago Midway Airport to Buenos Aires (MDW to BUE) flight deals and tips

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

Direct flights

None
There are no direct flights from Chicago Midway Airport to Buenos Aires. There are no popular flight routes from Chicago Midway Airport to Buenos Aires.
  • How far is Chicago Midway to Buenos Aires by plane?

    A flight from Chicago Midway to Buenos Aires will travel around 5593.3 mi. In terms of flight time, this usually takes a little over 12h 51m.

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago Midway Airport to Buenos Aires.

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

    The required travel and health documents for your Buenos Aires trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Buenos Aires. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Chicago to Buenos Aires flights to just show those with flexible booking policies.

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?

If you are not ready to book a flight from Chicago to Buenos Aires now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Buenos Aires and let you know when they change.

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1 adult
Tue 10/14
Tue 10/21

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