How do I get Price Alerts for flights from Illinois to Rosario?

Search flight deals from Illinois to Rosario . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from Illinois to Rosario with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

When did momondo last update prices for flights from Illinois to Rosario Fisherton Airport?

Prices for flights from Illinois to Rosario Fisherton Airport are updated daily.

How old do you have to be to fly from Illinois to Rosario Fisherton Airport?

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 Illinois to Rosario Fisherton Airport.

What documentation or ID do you need to fly to Rosario Fisherton Airport?

The travel and health documents required for your trip to Rosario Fisherton Airport 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 Rosario Fisherton Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$1,153 Cheap Flights from Illinois to Rosario in 2025/26

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0 bags

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Find the cheapest flights from Illinois to Rosario

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:05 am - 6:10 amORD-ROS

22h 05m3 stops

3:25 am - 9:42 amROS-ORD

32h 17m2 stops

$1,153Multiple Airlines

Find Deal

mar., mar. 10 - lun., mar. 30

10:27 am - 7:20 pmORD-ROS

30h 53m3 stops

1:05 pm - 1:15 pmROS-ORD

26h 10m2 stops

$1,157Multiple Airlines

Find Deal

mié., abr. 1 - mar., ago. 18

9:30 am - 6:10 amORD-ROS

18h 40m2 stops

7:30 am - 10:09 amROS-ORD

28h 39m2 stops

$1,185LATAM Airlines

Find Deal

mar., mar. 10 - vie., abr. 3

5:35 am - 9:25 amORD-ROS

25h 50m2 stops

1:05 pm - 1:15 pmROS-ORD

26h 10m2 stops

$1,187Multiple Airlines

Find Deal

mié., abr. 1 - mar., ago. 18

2:11 pm - 1:40 amORD-ROS

32h 29m2 stops

7:30 am - 11:54 pmROS-ORD

18h 24m2 stops

$1,195LATAM Airlines

Find Deal

sáb., mar. 7 - mié., abr. 1

6:58 pm - 2:05 amORD-ROS

53h 07m2 stops

2:55 am - 4:09 pmROS-ORD

39h 14m2 stops

$1,270American Airlines

Find Deal

dom., mar. 8 - lun., mar. 30

9:05 am - 2:00 amORD-ROS

37h 55m2 stops

2:55 am - 4:09 pmROS-ORD

39h 14m2 stops

$1,308American Airlines

Find Deal

sáb., mar. 7 - lun., mar. 30

8:32 am - 3:53 amORD-ROS

17h 21m1 stop

5:20 am - 1:24 amROS-ORD

22h 04m1 stop

$1,352Copa Airlines

Find Deal

mié., abr. 1 - mar., ago. 18

8:34 am - 3:53 amORD-ROS

17h 19m1 stop

1:21 am - 1:47 pmROS-ORD

14h 26m1 stop

$1,382Copa Airlines

Find Deal

mar., mar. 10 - lun., mar. 30

5:50 pm - 2:15 amORD-ROS

30h 25m2 stops

4:10 am - 10:57 amROS-ORD

32h 47m2 stops

$1,389GOL

Find Deal

mar., mar. 10 - mar., mar. 31

LATAM Airlines flights from Illinois to Rosario

Our best LATAM Airlines deals on Illinois to Rosario flight tickets

LATAM Airlines

Mar 10

ORD9:30 amChicago O'Hare Intl

18h 40m

2 stops

ROS6:10 amRosario Fisherton

Apr 3

ROS7:30 amRosario Fisherton

28h 39m

2 stops

ORD10:09 amChicago O'Hare Intl

$1,185

Find similar

LATAM Airlines

Mar 7

ORD2:11 pmChicago O'Hare Intl

32h 29m

2 stops

ROS1:40 amRosario Fisherton

Apr 1

ROS7:30 amRosario Fisherton

18h 24m

2 stops

ORD11:54 pmChicago O'Hare Intl

$1,195

Find similar

LATAM Airlines

Mar 7

ORD2:11 pmChicago O'Hare Intl

32h 29m

2 stops

ROS1:40 amRosario Fisherton

Apr 3

ROS7:30 amRosario Fisherton

28h 39m

2 stops

ORD10:09 amChicago O'Hare Intl

$1,235

Find similar

American Airlines flights from Illinois to Rosario

Our best American Airlines deals on Illinois to Rosario flight tickets

American Airlines

Mar 8

ORD6:58 pmChicago O'Hare Intl

53h 07m

2 stops

ROS2:05 amRosario Fisherton

Mar 30

ROS2:55 amRosario Fisherton

39h 14m

2 stops

ORD4:09 pmChicago O'Hare Intl

$1,270

Find similar

American Airlines

Mar 7

ORD9:05 amChicago O'Hare Intl

37h 55m

2 stops

ROS2:00 amRosario Fisherton

Mar 30

ROS2:55 amRosario Fisherton

39h 14m

2 stops

ORD4:09 pmChicago O'Hare Intl

$1,308

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

mar. 3/10

6:05 am-6:10 am

3 stops22h 05m

Rosario Fisherton

lun. 3/30

3:25 am-9:42 am

2 stops32h 17m

$1,153

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

mié. 4/1

10:27 am-7:20 pm

3 stops30h 53m

Rosario Fisherton

mar. 8/18

1:05 pm-1:15 pm

2 stops26h 10m

$1,157

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

mar. 3/10

9:30 am-6:10 am

2 stops18h 40m

Rosario Fisherton

vie. 4/3

7:30 am-10:09 am

2 stops28h 39m

$1,185

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

mié. 4/1

5:35 am-9:25 am

2 stops25h 50m

Rosario Fisherton

mar. 8/18

1:05 pm-1:15 pm

2 stops26h 10m

$1,187

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

sáb. 3/7

2:11 pm-1:40 am

2 stops32h 29m

Rosario Fisherton

mié. 4/1

7:30 am-11:54 pm

2 stops18h 24m

$1,195

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

dom. 3/8

6:58 pm-2:05 am

2 stops53h 07m

Rosario Fisherton

lun. 3/30

2:55 am-4:09 pm

2 stops39h 14m

$1,270

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

sáb. 3/7

9:05 am-2:00 am

2 stops37h 55m

Rosario Fisherton

lun. 3/30

2:55 am-4:09 pm

2 stops39h 14m

$1,308

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

mié. 4/1

8:32 am-3:53 am

1 stop17h 21m

Rosario Fisherton

mar. 8/18

5:20 am-1:24 am

1 stop22h 04m

$1,352

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

mar. 3/10

8:34 am-3:53 am

1 stop17h 19m

Rosario Fisherton

lun. 3/30

1:21 am-1:47 pm

1 stop14h 26m

$1,382

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

mar. 3/10

5:50 pm-2:15 am

2 stops30h 25m

Rosario Fisherton

mar. 3/31

4:10 am-10:57 am

2 stops32h 47m

$1,389

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Illinois to Rosario flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Illinois to Rosario Fisherton Airport?
Prices for flights from Illinois to Rosario Fisherton Airport are updated daily.
How old do you have to be to fly from Illinois to Rosario Fisherton Airport?
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 Illinois to Rosario Fisherton Airport.
What documentation or ID do you need to fly to Rosario Fisherton Airport?
The travel and health documents required for your trip to Rosario Fisherton Airport 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 Rosario Fisherton Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

How do I get Price Alerts for flights from Illinois to Rosario?
Search flight deals from Illinois to Rosario. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Illinois to Rosario with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

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

Finding the right flight to Rosario from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Rosario quick and easy, saving you time and money.

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

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

How can momondo help me find flights from Illinois to Rosario?

Once all potential Illinois to Rosario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Rosario, momondo offers a useful price alert feature which will track prices for flights to Rosario from Illinois and alert you when they change.

An easier way to manage your Rosario trip

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Cheap flights from Illinois to Rosario from $1,153

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Rosario departing on 3/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Illinois to Rosario

Cheap round-trip flights

LATAM Airlines flights from Illinois to Rosario

Our best LATAM Airlines deals on Illinois to Rosario flight tickets

American Airlines flights from Illinois to Rosario

Our best American Airlines deals on Illinois to Rosario flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Illinois to Rosario that are best for you.

Cheap Illinois to Rosario flight deals and tips

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

Direct flights

When did momondo last update prices for flights from Illinois to Rosario Fisherton Airport?

How old do you have to be to fly from Illinois to Rosario Fisherton Airport?

What documentation or ID do you need to fly to Rosario Fisherton Airport?

How do I get Price Alerts for flights from Illinois to Rosario?

How can I save money on flights from Illinois to Rosario with momondo?

How does momondo find its flight prices?

Why use momondo?

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

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

How can momondo help me find flights from Illinois to Rosario?

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

An easier way to manage your Rosario 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.

Find better results for your trip to Argentina

Airports servicing Argentina