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Cheap flights from Illinois to Brownsville from $168

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Brownsville departing on 3/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Illinois to Brownsville

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:30 am - 3:38 pm
ORD
-
BRO
8h 08m
1 stop
United Airlines Logo
5:25 pm - 12:45 am
BRO
-
ORD
7h 20m
1 stop
$289United Airlines
Tue, Jun 16 - Sat, Jun 20
United Airlines Logo
5:30 am - 11:27 am
ORD
-
BRO
5h 57m
1 stop
United Airlines Logo
5:17 pm - 1:27 am
BRO
-
ORD
8h 10m
1 stop
$302United Airlines
Thu, May 7 - Sun, May 10
American Airlines Logo
1:15 pm - 7:34 pm
ORD
-
BRO
6h 19m
1 stop
American Airlines Logo
6:44 pm - 11:36 pm
BRO
-
ORD
4h 52m
1 stop
$314American Airlines
Fri, Feb 27 - Wed, Mar 4
United Airlines Logo
6:00 am - 11:36 am
STL
-
BRO
5h 36m
1 stop
United Airlines Logo
5:14 pm - 10:14 pm
BRO
-
STL
5h 00m
1 stop
$323United Airlines
Tue, Feb 24 - Sat, Feb 28
American Airlines Logo
5:00 am - 10:12 am
ORD
-
BRO
5h 12m
1 stop
American Airlines Logo
2:50 pm - 10:45 pm
BRO
-
ORD
7h 55m
1 stop
$329American Airlines
Sun, Apr 12 - Fri, Apr 17
United Airlines Logo
5:45 am - 11:36 am
ORD
-
BRO
5h 51m
1 stop
United Airlines Logo
5:14 pm - 12:26 am
BRO
-
ORD
7h 12m
1 stop
$339United Airlines
Tue, Feb 24 - Sat, Feb 28
American Airlines Logo
9:23 am - 6:14 pm
STL
-
BRO
8h 51m
2 stops
American Airlines Logo
5:40 am - 11:01 am
BRO
-
STL
5h 21m
1 stop
$344American Airlines
Tue, Feb 24 - Sat, Feb 28
American Airlines Logo
6:04 am - 2:20 pm
ORD
-
BRO
8h 16m
1 stop
American Airlines Logo
5:40 am - 11:21 am
BRO
-
ORD
5h 41m
1 stop
$349American Airlines
Sun, Apr 19 - Sat, Apr 25
United Airlines Logo
4:00 pm - 9:31 pm
ORD
-
BRO
5h 31m
1 stop
United Airlines Logo
5:15 am - 11:10 am
BRO
-
ORD
5h 55m
1 stop
$350United Airlines
Tue, Mar 17 - Fri, Mar 20
American Airlines Logo
1:15 pm - 6:14 pm
ORD
-
BRO
4h 59m
1 stop
American Airlines Logo
6:44 pm - 11:36 pm
BRO
-
ORD
4h 52m
1 stop
$354American Airlines
Tue, Feb 24 - Sat, Feb 28

United Airlines flights from Illinois to Brownsville

Our best United Airlines deals on Illinois to Brownsville flight tickets
United Airlines
Jun 16
ORD7:30 amChicago O'Hare Intl
8h 08m
1 stop
BRO3:38 pmBrownsville South Padre Is. Intl
Jun 20
BRO5:25 pmBrownsville South Padre Is. Intl
7h 20m
1 stop
ORD12:45 amChicago O'Hare Intl
$289
United Airlines
May 7
ORD5:30 amChicago O'Hare Intl
5h 57m
1 stop
BRO11:27 amBrownsville South Padre Is. Intl
May 10
BRO5:17 pmBrownsville South Padre Is. Intl
8h 10m
1 stop
ORD1:27 amChicago O'Hare Intl
$302
United Airlines
Feb 24
STL6:00 amLambert-St Louis
5h 36m
1 stop
BRO11:36 amBrownsville South Padre Is. Intl
Feb 28
BRO5:14 pmBrownsville South Padre Is. Intl
5h 00m
1 stop
STL10:14 pmLambert-St Louis
$323

American Airlines flights from Illinois to Brownsville

Our best American Airlines deals on Illinois to Brownsville flight tickets
American Airlines
Feb 27
ORD1:15 pmChicago O'Hare Intl
6h 19m
1 stop
BRO7:34 pmBrownsville South Padre Is. Intl
Mar 4
BRO6:44 pmBrownsville South Padre Is. Intl
4h 52m
1 stop
ORD11:36 pmChicago O'Hare Intl
$314
American Airlines
Apr 12
ORD5:00 amChicago O'Hare Intl
5h 12m
1 stop
BRO10:12 amBrownsville South Padre Is. Intl
Apr 17
BRO2:50 pmBrownsville South Padre Is. Intl
7h 55m
1 stop
ORD10:45 pmChicago O'Hare Intl
$329
American Airlines
Feb 24
STL9:23 amLambert-St Louis
8h 51m
2 stops
BRO6:14 pmBrownsville South Padre Is. Intl
Feb 28
BRO5:40 amBrownsville South Padre Is. Intl
5h 21m
1 stop
STL11:01 amLambert-St Louis
$344

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Brownsville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 11, 2026.
Use the filters below to find and compare flights from Illinois to Brownsville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

Tue 6/16

7:30 am-3:38 pm

1 stop8h 08m

Brownsville South Padre Is. Intl

Sat 6/20

5:25 pm-12:45 am

1 stop7h 20m

$289

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

Thu 5/7

5:30 am-11:27 am

1 stop5h 57m

Brownsville South Padre Is. Intl

Sun 5/10

5:17 pm-1:27 am

1 stop8h 10m

$302

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

Fri 2/27

1:15 pm-7:34 pm

1 stop6h 19m

Brownsville South Padre Is. Intl

Wed 3/4

6:44 pm-11:36 pm

1 stop4h 52m

$314

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Tue 2/24

6:00 am-11:36 am

1 stop5h 36m

Brownsville South Padre Is. Intl

Sat 2/28

5:14 pm-10:14 pm

1 stop5h 00m

$323

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

Sun 4/12

5:00 am-10:12 am

1 stop5h 12m

Brownsville South Padre Is. Intl

Fri 4/17

2:50 pm-10:45 pm

1 stop7h 55m

$329

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

Tue 2/24

5:45 am-11:36 am

1 stop5h 51m

Brownsville South Padre Is. Intl

Sat 2/28

5:14 pm-12:26 am

1 stop7h 12m

$339

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Tue 2/24

9:23 am-6:14 pm

2 stops8h 51m

Brownsville South Padre Is. Intl

Sat 2/28

5:40 am-11:01 am

1 stop5h 21m

$344

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

Sun 4/19

6:04 am-2:20 pm

1 stop8h 16m

Brownsville South Padre Is. Intl

Sat 4/25

5:40 am-11:21 am

1 stop5h 41m

$349

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

Tue 3/17

4:00 pm-9:31 pm

1 stop5h 31m

Brownsville South Padre Is. Intl

Fri 3/20

5:15 am-11:10 am

1 stop5h 55m

$350

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

Tue 2/24

1:15 pm-6:14 pm

1 stop4h 59m

Brownsville South Padre Is. Intl

Sat 2/28

6:44 pm-11:36 pm

1 stop4h 52m

$354

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Brownsville from

How to get the cheapest flight ticket from Illinois to Brownsville

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

What is the cheapest month to fly to Brownsville?

The month of April is another great option to travel to Brownsville, with average flight prices from Illinois averaging around $299.

Can stopping save me money on Illinois to Brownsville flights?

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

Cheap Illinois to Brownsville flight deals and tips

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

Fastest flight time

5h 17m

Direct flights

None
The fastest flight from Illinois to Brownsville takes 5h 17m
There are no direct flights from Illinois to Brownsville. There are no popular flight routes from Illinois to Brownsville.
Search flight deals

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

    Prices for flights from Illinois to Brownsville South Padre Is. Intl Airport were last updated today.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Brownsville South Padre Is. Intl Airport.

  • What documentation or ID do you need to fly to Brownsville South Padre Is. Intl Airport?

    The travel and health documents you'll need for your trip to Brownsville South Padre Is. Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Brownsville South Padre Is. Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Illinois to Brownsville

Compare and see reviews for airlines that fly from Illinois to Brownsville with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $268Free CancellationRating
7.2
11,266 reviews
Search American Airlines flights
United AirlinesPriceFrom $273Free CancellationRating
7.4
9,274 reviews
Search United Airlines flights

Traveling to a place near Brownsville?

Book flights to Brownsville if you plan to visit one of these locations
South Padre Island

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Brownsville for you.

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

Yes. momondo allows you to filter the results for Illinois to Brownsville flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Brownsville.

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

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

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