Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Illinois to Brownsville from $169

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 6/9. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Illinois to Brownsville

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:51 pm - 11:40 pm
STL
-
BRO
4h 49m
1 stop
American Airlines Logo
6:43 pm - 11:41 pm
BRO
-
STL
4h 58m
1 stop
$319American Airlines
Thu, Sep 10 - Mon, Sep 14
American Airlines Logo
7:44 am - 6:13 pm
STL
-
BRO
10h 29m
2 stops
American Airlines Logo
6:43 pm - 11:41 pm
BRO
-
STL
4h 58m
1 stop
$324American Airlines
Thu, Sep 10 - Mon, Sep 14
American Airlines Logo
5:00 am - 10:14 am
ORD
-
BRO
5h 14m
1 stop
American Airlines Logo
6:42 pm - 12:39 am
BRO
-
ORD
5h 57m
1 stop
$329American Airlines
Fri, Jun 12 - Mon, Jun 15
American Airlines Logo
4:45 pm - 12:23 am
ORD
-
BRO
7h 38m
1 stop
American Airlines Logo
6:42 pm - 12:50 am
BRO
-
ORD
6h 08m
1 stop
$331American Airlines
Wed, Jul 1 - Wed, Jul 15
Multiple Airlines Logo
4:19 pm - 7:55 am
STL
-
BRO
15h 36m
1 stop
Multiple Airlines Logo
8:35 am - 5:30 pm
BRO
-
STL
32h 55m
2 stops
$337Multiple Airlines
Thu, Jun 4 - Mon, Jun 15
American Airlines Logo
7:00 am - 2:16 pm
ORD
-
BRO
7h 16m
1 stop
American Airlines Logo
6:43 pm - 12:06 am
BRO
-
ORD
5h 23m
1 stop
$337American Airlines
Wed, Sep 9 - Fri, Sep 11
American Airlines Logo
8:19 am - 2:17 pm
ORD
-
BRO
5h 58m
1 stop
American Airlines Logo
6:42 pm - 12:50 am
BRO
-
ORD
6h 08m
1 stop
$338American Airlines
Fri, Jun 26 - Fri, Jul 3
United Airlines Logo
6:00 am - 3:57 pm
STL
-
BRO
9h 57m
2 stops
United Airlines Logo
9:30 am - 2:17 pm
BRO
-
STL
4h 47m
1 stop
$349United Airlines
Sat, Sep 19 - Sat, Sep 26
United Airlines Logo
6:30 am - 11:26 am
ORD
-
BRO
4h 56m
1 stop
United Airlines Logo
4:44 pm - 11:15 pm
BRO
-
ORD
6h 31m
1 stop
$419United Airlines
Tue, Jul 7 - Sat, Jul 11
United Airlines Logo
11:15 am - 3:51 pm
STL
-
BRO
4h 36m
1 stop
United Airlines Logo
12:05 pm - 10:00 pm
BRO
-
STL
9h 55m
2 stops
$429United Airlines
Tue, Aug 25 - Sat, Aug 29

United Airlines flights from Illinois to Brownsville

Our best United Airlines deals on Illinois to Brownsville flight tickets
United Airlines
Sep 19
STL6:00 amLambert-St Louis
9h 57m
2 stops
BRO3:57 pmBrownsville South Padre Is. Intl
Sep 26
BRO9:30 amBrownsville South Padre Is. Intl
4h 47m
1 stop
STL2:17 pmLambert-St Louis
$349
United Airlines
May 21
ORD5:30 amChicago O'Hare Intl
5h 56m
1 stop
BRO11:26 amBrownsville South Padre Is. Intl
Jun 6
BRO4:44 pmBrownsville South Padre Is. Intl
5h 07m
1 stop
ORD9:51 pmChicago O'Hare Intl
$399
United Airlines
Jul 7
ORD6:30 amChicago O'Hare Intl
4h 56m
1 stop
BRO11:26 amBrownsville South Padre Is. Intl
Jul 11
BRO4:44 pmBrownsville South Padre Is. Intl
6h 31m
1 stop
ORD11:15 pmChicago O'Hare Intl
$419

American Airlines flights from Illinois to Brownsville

Our best American Airlines deals on Illinois to Brownsville flight tickets
American Airlines
Sep 10
STL6:51 pmLambert-St Louis
4h 49m
1 stop
BRO11:40 pmBrownsville South Padre Is. Intl
Sep 14
BRO6:43 pmBrownsville South Padre Is. Intl
4h 58m
1 stop
STL11:41 pmLambert-St Louis
$319
American Airlines
Sep 10
STL7:44 amLambert-St Louis
10h 29m
2 stops
BRO6:13 pmBrownsville South Padre Is. Intl
Sep 14
BRO6:43 pmBrownsville South Padre Is. Intl
4h 58m
1 stop
STL11:41 pmLambert-St Louis
$324
American Airlines
Jun 12
ORD5:00 amChicago O'Hare Intl
5h 14m
1 stop
BRO10:14 amBrownsville South Padre Is. Intl
Jun 15
BRO6:42 pmBrownsville South Padre Is. Intl
5h 57m
1 stop
ORD12:39 amChicago O'Hare Intl
$329

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 May 17, 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

Cheapest round-trip
Quickest round-trip

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Thu 9/10

6:51 pm-11:40 pm

1 stop4h 49m

Brownsville South Padre Is. Intl

Mon 9/14

6:43 pm-11:41 pm

1 stop4h 58m

$319

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Thu 9/10

7:44 am-6:13 pm

2 stops10h 29m

Brownsville South Padre Is. Intl

Mon 9/14

6:43 pm-11:41 pm

1 stop4h 58m

$324

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

Fri 6/12

5:00 am-10:14 am

1 stop5h 14m

Brownsville South Padre Is. Intl

Mon 6/15

6:42 pm-12:39 am

1 stop5h 57m

$329

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

Wed 7/1

4:45 pm-12:23 am

1 stop7h 38m

Brownsville South Padre Is. Intl

Wed 7/15

6:42 pm-12:50 am

1 stop6h 08m

$331

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Thu 6/4

4:19 pm-7:55 am

1 stop15h 36m

Brownsville South Padre Is. Intl

Mon 6/15

8:35 am-5:30 pm

2 stops32h 55m

$337

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

Wed 9/9

7:00 am-2:16 pm

1 stop7h 16m

Brownsville South Padre Is. Intl

Fri 9/11

6:43 pm-12:06 am

1 stop5h 23m

$337

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

Fri 6/26

8:19 am-2:17 pm

1 stop5h 58m

Brownsville South Padre Is. Intl

Fri 7/3

6:42 pm-12:50 am

1 stop6h 08m

$338

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Sat 9/19

6:00 am-3:57 pm

2 stops9h 57m

Brownsville South Padre Is. Intl

Sat 9/26

9:30 am-2:17 pm

1 stop4h 47m

$349

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

Tue 7/7

6:30 am-11:26 am

1 stop4h 56m

Brownsville South Padre Is. Intl

Sat 7/11

4:44 pm-11:15 pm

1 stop6h 31m

$419

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Tue 8/25

11:15 am-3:51 pm

1 stop4h 36m

Brownsville South Padre Is. Intl

Sat 8/29

12:05 pm-10:00 pm

2 stops9h 55m

$429

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 August is another great option to travel to Brownsville, with average flight prices from Illinois averaging around $237.

Can stopping save me money on Illinois to Brownsville flights?

You could potentially save up to 35% 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

4h 56m

Direct flights

None
The fastest flight from Illinois to Brownsville takes 4h 56m
There are no direct flights from Illinois to Brownsville. There are no popular flight routes from Illinois to Brownsville.
Search flight deals

Frequently asked questions about flying from Illinois to Brownsville

  • 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 $237Free CancellationRating
7.1
11,654 reviews
Search American Airlines flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
9,730 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.

An easier way to manage your Brownsville 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 6/16
Tue 6/23
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States