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 July 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.

$298 Cheap Flights from Brownsville to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

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.

4:38 pm - 11:27 pm

BRO

ORD

6h 49m

1 stop

4:11 pm - 9:59 pm

ORD

BRO

5h 48m

1 stop

$339United Airlines

Tue, Sep 8 - Tue, Sep 15

6:37 pm - 12:18 am

BRO

ORD

5h 41m

1 stop

3:54 pm - 11:23 pm

ORD

BRO

7h 29m

1 stop

$339American Airlines

Fri, Aug 14 - Mon, Aug 24

2:47 pm - 9:09 pm

BRO

ORD

6h 22m

1 stop

7:09 am - 3:26 pm

ORD

BRO

8h 17m

1 stop

$339American Airlines

Thu, Sep 24 - Sat, Sep 26

2:47 pm - 9:09 pm

BRO

ORD

6h 22m

1 stop

5:00 am - 10:09 am

ORD

BRO

5h 09m

1 stop

$339American Airlines

Fri, Sep 18 - Mon, Sep 21

6:37 pm - 12:18 am

BRO

ORD

5h 41m

1 stop

3:54 pm - 11:23 pm

ORD

BRO

7h 29m

1 stop

$339American Airlines

Sat, Aug 22 - Wed, Aug 26

5:25 pm - 12:15 am

BRO

ORD

6h 50m

1 stop

2:15 pm - 9:18 pm

ORD

BRO

7h 03m

1 stop

$429United Airlines

Fri, Jan 8 - Tue, Jan 12

8:45 am - 1:16 pm

BRO

ORD

28h 31m

1 stop

4:49 pm - 8:05 am

ORD

BRO

15h 16m

1 stop

$437Multiple Airlines

Fri, Oct 16 - Sun, Oct 18

5:25 pm - 12:15 am

BRO

ORD

6h 50m

1 stop

2:15 pm - 9:18 pm

ORD

BRO

7h 03m

1 stop

$449United Airlines

Fri, Jan 8 - Tue, Jan 12

8:45 am - 8:15 am

BRO

ORD

23h 30m

2 stops

4:49 pm - 8:05 am

ORD

BRO

15h 16m

1 stop

$457Multiple Airlines

Fri, Oct 16 - Sun, Oct 18

5:25 pm - 2:35 pm

BRO

ORD

21h 10m

2 stops

9:25 am - 3:38 pm

ORD

BRO

6h 13m

1 stop

$502United Airlines

Fri, Jan 8 - Tue, Jan 12

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United Airlines flights from Brownsville to Illinois

Our best United Airlines deals on Brownsville to Illinois flight tickets

United Airlines

Sep 8

BRO4:38 pmBrownsville South Padre Is. Intl

6h 49m

1 stop

ORD11:27 pmChicago O'Hare Intl

Sep 15

ORD4:11 pmChicago O'Hare Intl

5h 48m

1 stop

BRO9:59 pmBrownsville South Padre Is. Intl

$339

United Airlines

Jan 8

BRO5:25 pmBrownsville South Padre Is. Intl

6h 50m

1 stop

ORD12:15 amChicago O'Hare Intl

Jan 12

ORD2:15 pmChicago O'Hare Intl

7h 03m

1 stop

BRO9:18 pmBrownsville South Padre Is. Intl

$429

United Airlines

Jan 8

BRO5:25 pmBrownsville South Padre Is. Intl

6h 50m

1 stop

ORD12:15 amChicago O'Hare Intl

Jan 12

ORD12:40 pmChicago O'Hare Intl

5h 13m

1 stop

BRO5:53 pmBrownsville South Padre Is. Intl

$440

American Airlines flights from Brownsville to Illinois

Our best American Airlines deals on Brownsville to Illinois flight tickets

American Airlines

Aug 14

BRO6:37 pmBrownsville South Padre Is. Intl

5h 41m

1 stop

ORD12:18 amChicago O'Hare Intl

Aug 24

ORD3:54 pmChicago O'Hare Intl

7h 29m

1 stop

BRO11:23 pmBrownsville South Padre Is. Intl

$374

American Airlines

Aug 13

BRO6:37 pmBrownsville South Padre Is. Intl

5h 41m

1 stop

ORD12:18 amChicago O'Hare Intl

Aug 19

ORD10:45 amChicago O'Hare Intl

7h 22m

1 stop

BRO6:07 pmBrownsville South Padre Is. Intl

$375

American Airlines

Jan 7

BRO3:18 pmBrownsville South Padre Is. Intl

6h 42m

1 stop

ORD10:00 pmChicago O'Hare Intl

Jan 11

ORD3:50 pmChicago O'Hare Intl

7h 43m

1 stop

BRO11:33 pmBrownsville South Padre Is. Intl

$460

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Tue 9/8

4:38 pm-11:27 pm

1 stop6h 49m

Chicago O'Hare Intl

Tue 9/15

4:11 pm-9:59 pm

1 stop5h 48m

$339

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Fri 8/14

6:37 pm-12:18 am

1 stop5h 41m

Chicago O'Hare Intl

Mon 8/24

3:54 pm-11:23 pm

1 stop7h 29m

$339

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Thu 9/24

2:47 pm-9:09 pm

1 stop6h 22m

Chicago O'Hare Intl

Sat 9/26

7:09 am-3:26 pm

1 stop8h 17m

$339

Quickest round-trip

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Fri 9/18

2:47 pm-9:09 pm

1 stop6h 22m

Chicago O'Hare Intl

Mon 9/21

5:00 am-10:09 am

1 stop5h 09m

$339

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Sat 8/22

6:37 pm-12:18 am

1 stop5h 41m

Chicago O'Hare Intl

Wed 8/26

3:54 pm-11:23 pm

1 stop7h 29m

$339

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Fri 1/8

5:25 pm-12:15 am

1 stop6h 50m

Chicago O'Hare Intl

Tue 1/12

2:15 pm-9:18 pm

1 stop7h 03m

$429

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Fri 10/16

8:45 am-1:16 pm

1 stop28h 31m

Chicago O'Hare Intl

Sun 10/18

4:49 pm-8:05 am

1 stop15h 16m

$437

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Fri 1/8

5:25 pm-12:15 am

1 stop6h 50m

Chicago O'Hare Intl

Tue 1/12

2:15 pm-9:18 pm

1 stop7h 03m

$449

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Fri 10/16

8:45 am-8:15 am

2 stops23h 30m

Chicago O'Hare Intl

Sun 10/18

4:49 pm-8:05 am

1 stop15h 16m

$457

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Fri 1/8

5:25 pm-2:35 pm

2 stops21h 10m

Chicago O'Hare Intl

Tue 1/12

9:25 am-3:38 pm

1 stop6h 13m

$502

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 April. Flight prices, which tend to average around $336, 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 April, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $432.

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 31m
Direct flights	None

The fastest flight from Brownsville to Illinois takes 5h 31m

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 July 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 $318	Free Cancellation	Rating 7.1 11,841 reviews		Search American Airlines flights
United Airlines	PriceFrom $330	Free Cancellation	Rating 7.4 10,046 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.