What is the cheapest airline that flies from Buenos Aires to Illinois?

Arajet, Delta, and American Airlines are the most popular carriers operating from Buenos Aires to Illinois

What airlines fly to Illinois?

American Airlines, Delta and Avianca are the top three most popular airlines that fly to Illinois from Buenos Aires according to our data. American Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 5 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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

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

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

There are 5 operators available for flights from Buenos Aires to Illinois as of June 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buenos Aires to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$406 Cheap Flights from Buenos Aires to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buenos Aires to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:45 am - 10:10 pm

EZE

ORD

21h 25m

1 stop

5:30 am - 12:05 am

ORD

EZE

16h 35m

1 stop

$648Arajet

Sat, Sep 5 - Mon, Sep 14

2:45 am - 10:10 pm

EZE

ORD

21h 25m

1 stop

5:30 am - 12:05 am

ORD

EZE

16h 35m

1 stop

$699Arajet

Sat, Aug 29 - Mon, Sep 14

7:21 pm - 9:20 pm

EZE

ORD

27h 59m

2 stops

5:30 am - 12:05 am

ORD

EZE

16h 35m

1 stop

$774Multiple Airlines

Sun, Sep 6 - Mon, Sep 14

4:45 am - 11:27 pm

EZE

ORD

20h 42m

2 stops

5:30 am - 12:05 am

ORD

EZE

16h 35m

1 stop

$789Multiple Airlines

Fri, Sep 4 - Mon, Sep 14

8:10 pm - 11:51 am

EZE

MDW

17h 41m

1 stop

10:56 am - 9:40 am

MDW

EZE

20h 44m

2 stops

$983Delta

Tue, Aug 18 - Sat, Aug 29

12:55 pm - 9:42 am

AEP

ORD

22h 47m

2 stops

1:50 pm - 9:40 am

ORD

AEP

17h 50m

2 stops

$992LATAM Airlines

Tue, Sep 15 - Tue, Sep 22

8:10 pm - 12:39 pm

EZE

MDW

18h 29m

2 stops

1:00 pm - 9:40 am

MDW

EZE

18h 40m

2 stops

$993Delta

Mon, Sep 14 - Mon, Sep 21

12:15 pm - 10:10 am

EZE

MDW

23h 55m

2 stops

6:05 am - 6:10 am

MDW

EZE

22h 05m

2 stops

$997LATAM Airlines

Fri, Aug 21 - Sun, Sep 6

10:30 pm - 10:45 am

EZE

STL

14h 15m

1 stop

11:35 am - 8:45 am

STL

EZE

19h 10m

1 stop

$1,001American Airlines

Wed, Aug 12 - Wed, Aug 19

10:30 pm - 1:02 pm

EZE

STL

16h 32m

2 stops

3:25 pm - 8:45 am

STL

EZE

15h 20m

2 stops

$1,005American Airlines

Wed, Aug 12 - Wed, Aug 19

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Arajet flights from Buenos Aires to Illinois

Our best Arajet deals on Buenos Aires to Illinois flight tickets

Arajet

Sep 5

EZE2:45 amBuenos Aires Ministro Pistarini

21h 25m

1 stop

ORD10:10 pmChicago O'Hare Intl

Sep 14

ORD5:30 amChicago O'Hare Intl

16h 35m

1 stop

EZE12:05 amBuenos Aires Ministro Pistarini

$648

Arajet

Aug 29

EZE2:45 amBuenos Aires Ministro Pistarini

21h 25m

1 stop

ORD10:10 pmChicago O'Hare Intl

Sep 14

ORD5:30 amChicago O'Hare Intl

16h 35m

1 stop

EZE12:05 amBuenos Aires Ministro Pistarini

$699

Arajet

Sep 3

EZE9:45 amBuenos Aires Ministro Pistarini

15h 55m

1 stop

ORD11:40 pmChicago O'Hare Intl

Sep 14

ORD5:30 amChicago O'Hare Intl

16h 35m

1 stop

EZE12:05 amBuenos Aires Ministro Pistarini

$733

Avianca flights from Buenos Aires to Illinois

Our best Avianca deals on Buenos Aires to Illinois flight tickets

Avianca

Sep 9

AEP7:00 amBuenos Aires Jorge Newbery

16h 20m

1 stop

ORD9:20 pmChicago O'Hare Intl

Oct 21

ORD11:20 pmChicago O'Hare Intl

28h 20m

1 stop

AEP5:40 amBuenos Aires Jorge Newbery

$1,003

Avianca

Sep 10

AEP7:00 amBuenos Aires Jorge Newbery

16h 20m

1 stop

ORD9:20 pmChicago O'Hare Intl

Sep 12

ORD11:20 pmChicago O'Hare Intl

28h 20m

1 stop

AEP5:40 amBuenos Aires Jorge Newbery

$1,014

Avianca

Sep 10

AEP7:00 amBuenos Aires Jorge Newbery

16h 20m

1 stop

ORD9:20 pmChicago O'Hare Intl

Oct 23

ORD11:20 pmChicago O'Hare Intl

28h 20m

1 stop

AEP5:40 amBuenos Aires Jorge Newbery

$1,028

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sat 9/5

2:45 am-10:10 pm

1 stop21h 25m

Chicago O'Hare Intl

Mon 9/14

5:30 am-12:05 am

1 stop16h 35m

$648

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sat 8/29

2:45 am-10:10 pm

1 stop21h 25m

Chicago O'Hare Intl

Mon 9/14

5:30 am-12:05 am

1 stop16h 35m

$699

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sun 9/6

7:21 pm-9:20 pm

2 stops27h 59m

Chicago O'Hare Intl

Mon 9/14

5:30 am-12:05 am

1 stop16h 35m

$774

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Fri 9/4

4:45 am-11:27 pm

2 stops20h 42m

Chicago O'Hare Intl

Mon 9/14

5:30 am-12:05 am

1 stop16h 35m

$789

Buenos AiresChicago

EZE - MDW

EZEMDW

Buenos Aires Ministro Pistarini

Tue 8/18

8:10 pm-11:51 am

1 stop17h 41m

Chicago Midway

Sat 8/29

10:56 am-9:40 am

2 stops20h 44m

$983

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Tue 9/15

12:55 pm-9:42 am

2 stops22h 47m

Chicago O'Hare Intl

Tue 9/22

1:50 pm-9:40 am

2 stops17h 50m

$992

Buenos AiresChicago

EZE - MDW

EZEMDW

Buenos Aires Ministro Pistarini

Mon 9/14

8:10 pm-12:39 pm

2 stops18h 29m

Chicago Midway

Mon 9/21

1:00 pm-9:40 am

2 stops18h 40m

$993

Buenos AiresChicago

EZE - MDW

EZEMDW

Buenos Aires Ministro Pistarini

Fri 8/21

12:15 pm-10:10 am

2 stops23h 55m

Chicago Midway

Sun 9/6

6:05 am-6:10 am

2 stops22h 05m

$997

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Wed 8/12

10:30 pm-10:45 am

1 stop14h 15m

Lambert-St Louis

Wed 8/19

11:35 am-8:45 am

1 stop19h 10m

$1,001

Quickest round-trip

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Wed 8/12

10:30 pm-1:02 pm

2 stops16h 32m

Lambert-St Louis

Wed 8/19

3:25 pm-8:45 am

2 stops15h 20m

$1,005

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Buenos Aires is in November. Flight prices, which tend to average around $217, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of November, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $362.

Can stopping save me money on Buenos Aires to Illinois flights?

You could potentially save up to 13% on your flight if you consider stops on a Buenos Aires to Illinois flight.

Cheap Buenos Aires to Illinois flight deals and tips

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

Fastest flight time	13h 58m
Direct flights	None

The fastest flight from Buenos Aires to Illinois takes 13h 58m

There are no direct flights from Buenos Aires to Illinois. There are no popular flight routes from Buenos Aires to Illinois.

Search flight deals

Frequently asked questions about flying from Buenos Aires to Illinois

When did momondo last update prices for flights from Buenos Aires to Illinois?
Prices for flights from Buenos Aires to Illinois are updated daily.
How many operators does momondo search for flights from Buenos Aires to Illinois?
There are 5 operators available for flights from Buenos Aires to Illinois as of June 2026.
How old do you have to be to fly from Buenos Aires to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buenos Aires to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Buenos Aires to Illinois

Compare and see reviews for airlines that fly from Buenos Aires to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Copa Airlines	PriceFrom $484	Free Cancellation	Rating 7.6 1,566 reviews	Search Copa Airlines flights
Avianca	PriceFrom $578	Free Cancellation	Rating 6.5 2,528 reviews	Search Avianca flights
United Airlines	PriceFrom $777	Free Cancellation	Rating 7.4 9,896 reviews	Search United Airlines flights
American Airlines	PriceFrom $820	Free Cancellation	Rating 7.1 11,772 reviews	Search American Airlines flights
Delta	PriceFrom $884	Free Cancellation	Rating 7.8 8,451 reviews	Search Delta flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Buenos Aires to Illinois. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Buenos Aires to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Buenos Aires to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Buenos Aires to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.