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

Arajet, LATAM Airlines, and Air Canada are the most popular carriers operating from Buenos Aires to Illinois

What airlines fly to Illinois?

American Airlines, Avianca and Delta 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 39% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 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 4 operators available for flights from Buenos Aires to Illinois as of March 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.

$405 Cheap Flights from Buenos Aires to Illinois in 2026

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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.

11:00 am - 7:57 pm

EZE

ORD

34h 57m

2 stops

12:12 pm - 4:10 am

ORD

EZE

13h 58m

1 stop

$729Multiple Airlines

Sel, Jun 2 - Sab, Ags 15

11:00 am - 11:40 pm

EZE

ORD

14h 40m

1 stop

5:30 am - 12:05 am

ORD

EZE

16h 35m

1 stop

$738Arajet

Kam, Jun 4 - Sen, Sep 7

11:00 am - 7:57 pm

EZE

ORD

34h 57m

2 stops

5:30 am - 12:05 am

ORD

EZE

16h 35m

1 stop

$746Multiple Airlines

Sel, Jun 2 - Sen, Ags 10

11:00 am - 11:40 pm

EZE

ORD

14h 40m

1 stop

12:12 pm - 4:10 am

ORD

EZE

13h 58m

1 stop

$751Arajet

Kam, Jun 4 - Sab, Ags 15

11:00 am - 11:40 pm

EZE

ORD

14h 40m

1 stop

5:30 am - 12:05 am

ORD

EZE

16h 35m

1 stop

$755Arajet

Kam, Ags 13 - Sen, Sep 7

11:00 am - 11:40 pm

EZE

ORD

14h 40m

1 stop

5:30 am - 12:05 am

ORD

EZE

16h 35m

1 stop

$766Arajet

Kam, Jun 4 - Sen, Ags 10

8:10 pm - 9:51 am

EZE

MDW

15h 41m

1 stop

4:30 pm - 9:45 am

MDW

EZE

15h 15m

1 stop

$1,227LATAM Airlines

Sen, Jun 15 - Kam, Sep 10

8:10 pm - 11:54 am

EZE

MDW

17h 44m

1 stop

4:30 pm - 9:20 am

MDW

EZE

14h 50m

2 stops

$1,232LATAM Airlines

Sab, Ags 29 - Rab, Sep 9

8:10 pm - 9:50 am

EZE

MDW

15h 40m

1 stop

5:25 pm - 9:45 am

MDW

EZE

14h 20m

1 stop

$1,238Delta

Rab, Ags 19 - Sen, Sep 7

8:10 pm - 9:51 am

EZE

MDW

15h 41m

1 stop

5:25 pm - 9:45 am

MDW

EZE

14h 20m

1 stop

$1,247Delta

Min, Jul 12 - Rab, Ags 12

Arajet flights from Buenos Aires to Illinois

Our best Arajet deals on Buenos Aires to Illinois flight tickets

Arajet

Jun 4

EZE11:00 amBuenos Aires Ministro Pistarini

14h 40m

1 stop

ORD11:40 pmChicago O'Hare Intl

Sep 7

ORD5:30 amChicago O'Hare Intl

16h 35m

1 stop

EZE12:05 amBuenos Aires Ministro Pistarini

$738

Arajet

Jun 4

EZE11:00 amBuenos Aires Ministro Pistarini

14h 40m

1 stop

ORD11:40 pmChicago O'Hare Intl

Aug 15

ORD12:12 pmChicago O'Hare Intl

13h 58m

1 stop

EZE4:10 amBuenos Aires Ministro Pistarini

$751

Arajet

Aug 13

EZE11:00 amBuenos Aires Ministro Pistarini

14h 40m

1 stop

ORD11:40 pmChicago O'Hare Intl

Sep 7

ORD5:30 amChicago O'Hare Intl

16h 35m

1 stop

EZE12:05 amBuenos Aires Ministro Pistarini

$755

Avianca flights from Buenos Aires to Illinois

Our best Avianca deals on Buenos Aires to Illinois flight tickets

Avianca

Mar 31

EZE7:10 amBuenos Aires Ministro Pistarini

16h 10m

1 stop

ORD9:20 pmChicago O'Hare Intl

Apr 22

ORD11:20 pmChicago O'Hare Intl

14h 20m

1 stop

EZE3:40 pmBuenos Aires Ministro Pistarini

$1,159

Avianca

Mar 31

AEP7:00 amBuenos Aires Jorge Newbery

16h 20m

1 stop

ORD9:20 pmChicago O'Hare Intl

Apr 8

ORD11:20 pmChicago O'Hare Intl

28h 20m

1 stop

AEP5:40 amBuenos Aires Jorge Newbery

$1,209

Avianca

Mar 19

EZE1:40 amBuenos Aires Ministro Pistarini

21h 40m

1 stop

ORD9:20 pmChicago O'Hare Intl

Apr 19

ORD11:20 pmChicago O'Hare Intl

14h 20m

1 stop

EZE3:40 pmBuenos Aires Ministro Pistarini

$1,219

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sel 6/2

11:00 am-7:57 pm

2 stops34h 57m

Chicago O'Hare Intl

Sab 8/15

12:12 pm-4:10 am

1 stop13h 58m

$729

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Kam 6/4

11:00 am-11:40 pm

1 stop14h 40m

Chicago O'Hare Intl

Sen 9/7

5:30 am-12:05 am

1 stop16h 35m

$738

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sel 6/2

11:00 am-7:57 pm

2 stops34h 57m

Chicago O'Hare Intl

Sen 8/10

5:30 am-12:05 am

1 stop16h 35m

$746

Quickest round-trip

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Kam 6/4

11:00 am-11:40 pm

1 stop14h 40m

Chicago O'Hare Intl

Sab 8/15

12:12 pm-4:10 am

1 stop13h 58m

$751

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Kam 8/13

11:00 am-11:40 pm

1 stop14h 40m

Chicago O'Hare Intl

Sen 9/7

5:30 am-12:05 am

1 stop16h 35m

$755

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Kam 6/4

11:00 am-11:40 pm

1 stop14h 40m

Chicago O'Hare Intl

Sen 8/10

5:30 am-12:05 am

1 stop16h 35m

$766

Buenos AiresChicago

EZE - MDW

EZEMDW

Buenos Aires Ministro Pistarini

Sen 6/15

8:10 pm-9:51 am

1 stop15h 41m

Chicago Midway

Kam 9/10

4:30 pm-9:45 am

1 stop15h 15m

$1,227

Buenos AiresChicago

EZE - MDW

EZEMDW

Buenos Aires Ministro Pistarini

Sab 8/29

8:10 pm-11:54 am

1 stop17h 44m

Chicago Midway

Rab 9/9

4:30 pm-9:20 am

2 stops14h 50m

$1,232

Buenos AiresChicago

EZE - MDW

EZEMDW

Buenos Aires Ministro Pistarini

Rab 8/19

8:10 pm-9:50 am

1 stop15h 40m

Chicago Midway

Sen 9/7

5:25 pm-9:45 am

1 stop14h 20m

$1,238

Buenos AiresChicago

EZE - MDW

EZEMDW

Buenos Aires Ministro Pistarini

Min 7/12

8:10 pm-9:51 am

1 stop15h 41m

Chicago Midway

Rab 8/12

5:25 pm-9:45 am

1 stop14h 20m

$1,247

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 February. Flight prices, which tend to average around $975, 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 February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $981.

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

You could potentially save up to 2% 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	14h 30m
Direct flights	None

The fastest flight from Buenos Aires to Illinois takes 14h 30m

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

Search flight deals

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 4 operators available for flights from Buenos Aires to Illinois as of March 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 7.5 1,571 reviews	Search Copa Airlines flights
Avianca	PriceFrom $578	Free Cancellation	Rating 6.5 2,499 reviews	Search Avianca flights
American Airlines	PriceFrom $694	Free Cancellation	Rating 7.1 11,469 reviews	Search American Airlines flights
Delta	PriceFrom $884	Free Cancellation	Rating 7.9 8,287 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.