Cheap flights from Chicago Midway Airport to Buenos Aires from $321

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 10/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Chicago Midway Airport to Buenos Aires

Cheap round-trip flights

LATAM Airlines Logo
10:35 am - 5:55 amMDW-EZE
17h 20m2 stops
LATAM Airlines Logo
2:45 pm - 9:45 amEZE-MDW
21h 00m2 stops
$891LATAM Airlines
Find Deal
Fri, Oct 24 - Wed, Oct 29
LATAM Airlines Logo
12:48 pm - 2:30 amMDW-EZE
35h 42m2 stops
LATAM Airlines Logo
5:30 am - 11:53 amEZE-MDW
32h 23m2 stops
$919LATAM Airlines
Find Deal
Thu, Oct 16 - Thu, Oct 23
Multiple Airlines Logo
4:24 pm - 8:20 amMDW-AEP
37h 56m2 stops
Multiple Airlines Logo
12:45 pm - 9:40 amAEP-MDW
46h 55m3 stops
$931Multiple Airlines
Find Deal
Mon, Oct 13 - Mon, Oct 20
LATAM Airlines Logo
4:23 pm - 2:50 amMDW-EZE
32h 27m2 stops
LATAM Airlines Logo
2:45 pm - 9:40 amEZE-MDW
21h 55m2 stops
$936LATAM Airlines
Find Deal
Fri, Oct 31 - Fri, Nov 7
LATAM Airlines Logo
10:47 am - 6:20 amMDW-EZE
16h 33m2 stops
LATAM Airlines Logo
2:45 pm - 9:54 amEZE-MDW
22h 09m2 stops
$938LATAM Airlines
Find Deal
Wed, Nov 19 - Wed, Dec 3
LATAM Airlines Logo
11:05 am - 9:35 amMDW-EZE
19h 30m2 stops
LATAM Airlines Logo
7:43 pm - 9:54 amEZE-MDW
17h 11m2 stops
$965LATAM Airlines
Find Deal
Sat, Dec 6 - Thu, Dec 11
Multiple Airlines Logo
7:50 am - 5:50 amMDW-EZE
20h 00m2 stops
Multiple Airlines Logo
10:45 pm - 9:22 pmEZE-MDW
25h 37m1 stop
$1,012Multiple Airlines
Find Deal
Fri, Oct 31 - Fri, Nov 7
Delta Logo
10:47 am - 6:20 amMDW-EZE
16h 33m2 stops
Delta Logo
8:55 pm - 4:36 pmEZE-MDW
22h 41m1 stop
$1,015Delta
Find Deal
Wed, Nov 26 - Mon, Dec 8
Delta Logo
1:00 pm - 10:15 amMDW-EZE
19h 15m2 stops
Delta Logo
10:25 pm - 4:25 pmEZE-MDW
20h 00m2 stops
$1,020Delta
Find Deal
Wed, Mar 11 - Mon, Mar 23
Delta Logo
10:47 am - 7:20 amMDW-EZE
17h 33m1 stop
Delta Logo
11:55 pm - 11:55 amEZE-MDW
15h 00m1 stop
$1,095Delta
Find Deal
Fri, Nov 28 - Sat, Dec 6

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
22h 41m
1 stop
MDW4:36 pmChicago Midway
Delta
Mar 11
MDW1:00 pmChicago Midway
19h 15m
2 stops
EZE10:15 amBuenos Aires Ministro Pistarini
Mar 23
EZE10:25 pmBuenos Aires Ministro Pistarini
20h 00m
2 stops
MDW4:25 pmChicago Midway
Delta
Nov 28
MDW10:47 amChicago Midway
17h 33m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Dec 6
EZE11:55 pmBuenos Aires Ministro Pistarini
15h 00m
1 stop
MDW11:55 amChicago 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
Sep 22
MDW6:30 pmChicago Midway
30h 00m
2 stops
EZE2:30 amBuenos Aires Ministro Pistarini
Sep 29
EZE5:30 amBuenos Aires Ministro Pistarini
30h 10m
2 stops
MDW9:40 amChicago Midway
LATAM Airlines
Oct 24
MDW10:35 amChicago Midway
17h 20m
2 stops
EZE5:55 amBuenos Aires Ministro Pistarini
Oct 29
EZE2:45 pmBuenos Aires Ministro Pistarini
21h 00m
2 stops
MDW9:45 amChicago Midway
LATAM Airlines
Oct 16
MDW12:48 pmChicago Midway
35h 42m
2 stops
EZE2:30 amBuenos Aires Ministro Pistarini
Oct 23
EZE5:30 amBuenos Aires Ministro Pistarini
32h 23m
2 stops
MDW11:53 amChicago 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 17, 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

Fri 10/24

10:35 am-5:55 am

2 stops17h 20m

Buenos Aires Ministro Pistarini

Wed 10/29

2:45 pm-9:45 am

2 stops21h 00m

$891

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Thu 10/16

12:48 pm-2:30 am

2 stops35h 42m

Buenos Aires Ministro Pistarini

Thu 10/23

5:30 am-11:53 am

2 stops32h 23m

$919

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Mon 10/13

4:24 pm-8:20 am

2 stops37h 56m

Buenos Aires Jorge Newbery

Mon 10/20

12:45 pm-9:40 am

3 stops46h 55m

$931

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Fri 10/31

4:23 pm-2:50 am

2 stops32h 27m

Buenos Aires Ministro Pistarini

Fri 11/7

2:45 pm-9:40 am

2 stops21h 55m

$936

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Wed 11/19

10:47 am-6:20 am

2 stops16h 33m

Buenos Aires Ministro Pistarini

Wed 12/3

2:45 pm-9:54 am

2 stops22h 09m

$938

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Sat 12/6

11:05 am-9:35 am

2 stops19h 30m

Buenos Aires Ministro Pistarini

Thu 12/11

7:43 pm-9:54 am

2 stops17h 11m

$965

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Fri 10/31

7:50 am-5:50 am

2 stops20h 00m

Buenos Aires Ministro Pistarini

Fri 11/7

10:45 pm-9:22 pm

1 stop25h 37m

$1,012

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-4:36 pm

1 stop22h 41m

$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

10:25 pm-4:25 pm

2 stops20h 00m

$1,020

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Fri 11/28

10:47 am-7:20 am

1 stop17h 33m

Buenos Aires Ministro Pistarini

Sat 12/6

11:55 pm-11:55 am

1 stop15h 00m

$1,095

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 13h 35m.

  • 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.

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 10/17
Fri 10/24

Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

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