What airlines fly to Illinois?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Illinois from Brownsville 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 3 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Brownsville South Padre Is. Intl to Illinois?

United Airlines is the most popular carrier operating from Brownsville South Padre Is. Intl to Illinois

When did momondo last update prices for flights from Brownsville South Padre Is. Intl Airport to Illinois?

Prices for flights from Brownsville South Padre Is. Intl Airport to Illinois refresh daily.

How many operators does momondo search for flights from Brownsville South Padre Is. Intl Airport to Illinois?

As of April 2026, there are 2 operators available to choose from for flights from Brownsville South Padre Is. Intl Airport to Illinois.

How old do you have to be to fly from Brownsville South Padre Is. Intl Airport to Illinois?

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 Brownsville South Padre Is. Intl Airport to Illinois.

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

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$132 Cheap Flights from Brownsville to Illinois in 2026

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Find the cheapest flights from Brownsville to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:44 pm - 12:45 am

BRO

ORD

8h 01m

1 stop

6:30 am - 11:26 am

ORD

BRO

4h 56m

1 stop

$331United Airlines

Wed, Jun 3 - Wed, Jun 10

6:42 pm - 12:35 am

BRO

ORD

5h 53m

1 stop

7:02 am - 2:17 pm

ORD

BRO

7h 15m

1 stop

$334American Airlines

Thu, Jun 11 - Tue, Jun 16

4:44 pm - 12:45 am

BRO

ORD

8h 01m

1 stop

6:30 am - 11:26 am

ORD

BRO

4h 56m

1 stop

$336United Airlines

Tue, Jun 2 - Fri, Jun 5

5:25 pm - 11:15 pm

BRO

ORD

5h 50m

1 stop

8:46 am - 4:24 pm

ORD

BRO

7h 38m

1 stop

$337United Airlines

Tue, Apr 28 - Sat, May 2

5:25 pm - 11:15 pm

BRO

ORD

5h 50m

1 stop

12:40 pm - 6:28 pm

ORD

BRO

5h 48m

1 stop

$357United Airlines

Mon, Apr 27 - Fri, May 1

5:17 pm - 1:27 am

BRO

ORD

8h 10m

1 stop

5:30 am - 11:27 am

ORD

BRO

5h 57m

1 stop

$358United Airlines

Thu, May 7 - Sun, May 10

4:39 pm - 12:48 am

BRO

ORD

8h 09m

1 stop

4:05 pm - 9:55 pm

ORD

BRO

5h 50m

1 stop

$367United Airlines

Thu, Sep 3 - Tue, Sep 8

4:44 pm - 11:14 pm

BRO

ORD

6h 30m

1 stop

6:30 am - 11:26 am

ORD

BRO

4h 56m

1 stop

$394United Airlines

Wed, Jun 17 - Fri, Jun 19

4:44 pm - 12:45 am

BRO

ORD

8h 01m

1 stop

5:30 am - 11:26 am

ORD

BRO

5h 56m

1 stop

$406United Airlines

Mon, Jun 15 - Mon, Jun 22

2:50 pm - 10:45 pm

BRO

ORD

7h 55m

1 stop

5:00 am - 10:12 am

ORD

BRO

5h 12m

1 stop

$413American Airlines

Thu, Apr 30 - Mon, May 4

United Airlines flights from Brownsville to Illinois

Our best United Airlines deals on Brownsville to Illinois flight tickets

United Airlines

Jun 3

BRO4:44 pmBrownsville South Padre Is. Intl

8h 01m

1 stop

ORD12:45 amChicago O'Hare Intl

Jun 10

ORD6:30 amChicago O'Hare Intl

4h 56m

1 stop

BRO11:26 amBrownsville South Padre Is. Intl

$331

United Airlines

Jun 2

BRO4:44 pmBrownsville South Padre Is. Intl

8h 01m

1 stop

ORD12:45 amChicago O'Hare Intl

Jun 5

ORD6:30 amChicago O'Hare Intl

4h 56m

1 stop

BRO11:26 amBrownsville South Padre Is. Intl

$336

United Airlines

Apr 28

BRO5:25 pmBrownsville South Padre Is. Intl

5h 50m

1 stop

ORD11:15 pmChicago O'Hare Intl

May 2

ORD8:46 amChicago O'Hare Intl

7h 38m

1 stop

BRO4:24 pmBrownsville South Padre Is. Intl

$337

American Airlines flights from Brownsville to Illinois

Our best American Airlines deals on Brownsville to Illinois flight tickets

American Airlines

Jun 11

BRO6:42 pmBrownsville South Padre Is. Intl

5h 53m

1 stop

ORD12:35 amChicago O'Hare Intl

Jun 16

ORD7:02 amChicago O'Hare Intl

7h 15m

1 stop

BRO2:17 pmBrownsville South Padre Is. Intl

$334

American Airlines

Apr 20

BRO2:50 pmBrownsville South Padre Is. Intl

7h 55m

1 stop

ORD10:45 pmChicago O'Hare Intl

Apr 24

ORD5:00 amChicago O'Hare Intl

5h 12m

1 stop

BRO10:12 amBrownsville South Padre Is. Intl

$397

American Airlines

Apr 30

BRO2:50 pmBrownsville South Padre Is. Intl

7h 55m

1 stop

ORD10:45 pmChicago O'Hare Intl

May 4

ORD5:00 amChicago O'Hare Intl

5h 12m

1 stop

BRO10:12 amBrownsville South Padre Is. Intl

$413

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Wed 6/3

4:44 pm-12:45 am

1 stop8h 01m

Chicago O'Hare Intl

Wed 6/10

6:30 am-11:26 am

1 stop4h 56m

$331

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Thu 6/11

6:42 pm-12:35 am

1 stop5h 53m

Chicago O'Hare Intl

Tue 6/16

7:02 am-2:17 pm

1 stop7h 15m

$334

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Tue 6/2

4:44 pm-12:45 am

1 stop8h 01m

Chicago O'Hare Intl

Fri 6/5

6:30 am-11:26 am

1 stop4h 56m

$336

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Tue 4/28

5:25 pm-11:15 pm

1 stop5h 50m

Chicago O'Hare Intl

Sat 5/2

8:46 am-4:24 pm

1 stop7h 38m

$337

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Mon 4/27

5:25 pm-11:15 pm

1 stop5h 50m

Chicago O'Hare Intl

Fri 5/1

12:40 pm-6:28 pm

1 stop5h 48m

$357

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Thu 5/7

5:17 pm-1:27 am

1 stop8h 10m

Chicago O'Hare Intl

Sun 5/10

5:30 am-11:27 am

1 stop5h 57m

$358

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Thu 9/3

4:39 pm-12:48 am

1 stop8h 09m

Chicago O'Hare Intl

Tue 9/8

4:05 pm-9:55 pm

1 stop5h 50m

$367

Quickest round-trip

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Wed 6/17

4:44 pm-11:14 pm

1 stop6h 30m

Chicago O'Hare Intl

Fri 6/19

6:30 am-11:26 am

1 stop4h 56m

$394

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Mon 6/15

4:44 pm-12:45 am

1 stop8h 01m

Chicago O'Hare Intl

Mon 6/22

5:30 am-11:26 am

1 stop5h 56m

$406

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Thu 4/30

2:50 pm-10:45 pm

1 stop7h 55m

Chicago O'Hare Intl

Mon 5/4

5:00 am-10:12 am

1 stop5h 12m

$413

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 Brownsville 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 Brownsville is in July. Flight prices, which tend to average around $268, 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 July, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $293.

Cheap Brownsville to Illinois flight deals and tips

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

Fastest flight time	5h 42m
Direct flights	None

The fastest flight from Brownsville to Illinois takes 5h 42m

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

Search flight deals

Frequently asked questions about flying from Brownsville to Illinois

When did momondo last update prices for flights from Brownsville South Padre Is. Intl Airport to Illinois?
Prices for flights from Brownsville South Padre Is. Intl Airport to Illinois refresh daily.
How many operators does momondo search for flights from Brownsville South Padre Is. Intl Airport to Illinois?
As of April 2026, there are 2 operators available to choose from for flights from Brownsville South Padre Is. Intl Airport to Illinois.
How old do you have to be to fly from Brownsville South Padre Is. Intl Airport to Illinois?
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 Brownsville South Padre Is. Intl Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Brownsville to Illinois

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $293	Free Cancellation	Rating 7.1 11,593 reviews		Search American Airlines flights
United Airlines	PriceFrom $328	Free Cancellation	Rating 7.4 9,602 reviews		Search United Airlines flights

Why use momondo?

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

Finding the right flight to Illinois from Brownsville 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 Illinois quick and easy, saving you time and money.

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

Flights from Brownsville 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 Brownsville to Illinois?

momondo provides multiple filters to help you find the best flight to Illinois from Brownsville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Illinois from Brownsville are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.