Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Illinois to Brownsville from $165

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 3/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
United Airlines Logo
10:35 am - 6:02 pm
ORD
-
BRO
7h 27m1 stop
United Airlines Logo
5:25 pm - 10:58 pm
BRO
-
ORD
5h 33m1 stop
$279United Airlines
Tue, Jan 20 - Wed, Jan 28
American Airlines Logo
5:04 pm - 11:33 pm
STL
-
BRO
6h 29m1 stop
American Airlines Logo
6:49 pm - 10:59 pm
BRO
-
STL
4h 10m1 stop
$279American Airlines
Fri, Jan 30 - Tue, Feb 3
American Airlines Logo
6:00 pm - 11:33 pm
ORD
-
BRO
5h 33m1 stop
American Airlines Logo
6:00 am - 10:54 am
BRO
-
ORD
4h 54m1 stop
$289American Airlines
Tue, Feb 3 - Sat, Feb 7
American Airlines Logo
11:55 am - 6:19 pm
STL
-
BRO
6h 24m1 stop
American Airlines Logo
6:49 pm - 10:55 pm
BRO
-
STL
4h 06m1 stop
$309American Airlines
Sat, Jan 10 - Wed, Jan 14
United Airlines Logo
8:54 am - 4:12 pm
ORD
-
BRO
7h 18m1 stop
United Airlines Logo
7:15 am - 1:00 pm
BRO
-
ORD
5h 45m1 stop
$314United Airlines
Wed, Jan 14 - Wed, Jan 21
American Airlines Logo
11:05 am - 11:33 pm
STL
-
BRO
12h 28m2 stops
American Airlines Logo
6:49 pm - 10:55 pm
BRO
-
STL
4h 06m1 stop
$314American Airlines
Sat, Jan 10 - Wed, Jan 14
United Airlines Logo
4:39 pm - 9:31 pm
STL
-
BRO
4h 52m1 stop
United Airlines Logo
5:25 pm - 10:14 pm
BRO
-
STL
4h 49m1 stop
$324United Airlines
Sat, Feb 14 - Sat, Feb 28
American Airlines Logo
3:15 pm - 11:17 pm
ORD
-
BRO
8h 02m1 stop
American Airlines Logo
2:57 pm - 10:23 pm
BRO
-
ORD
7h 26m1 stop
$329American Airlines
Fri, Feb 20 - Fri, Mar 6
United Airlines Logo
6:00 am - 11:31 am
STL
-
BRO
5h 31m1 stop
United Airlines Logo
9:30 am - 7:27 pm
BRO
-
STL
9h 57m2 stops
$329United Airlines
Fri, Jan 30 - Tue, Feb 3
American Airlines Logo
2:26 pm - 11:17 pm
STL
-
BRO
8h 51m2 stops
American Airlines Logo
5:40 am - 1:56 pm
BRO
-
STL
8h 16m2 stops
$334American Airlines
Sat, Feb 14 - Sat, Feb 28

American Airlines flights from Illinois to Brownsville

Our best American Airlines deals on Illinois to Brownsville flight tickets
American Airlines
Jan 30
STL7:15 amLambert-St Louis
7h 33m
1 stop
BRO2:48 pmBrownsville South Padre Is. Intl
Feb 2
BRO6:49 pmBrownsville South Padre Is. Intl
4h 10m
1 stop
STL10:59 pmLambert-St Louis
$279
Find similar
American Airlines
Feb 3
ORD6:00 pmChicago O'Hare Intl
5h 33m
1 stop
BRO11:33 pmBrownsville South Padre Is. Intl
Feb 7
BRO6:00 amBrownsville South Padre Is. Intl
4h 54m
1 stop
ORD10:54 amChicago O'Hare Intl
$289
Find similar
American Airlines
Jan 10
STL11:55 amLambert-St Louis
6h 24m
1 stop
BRO6:19 pmBrownsville South Padre Is. Intl
Jan 14
BRO6:49 pmBrownsville South Padre Is. Intl
4h 06m
1 stop
STL10:55 pmLambert-St Louis
$309
Find similar

United Airlines flights from Illinois to Brownsville

Our best United Airlines deals on Illinois to Brownsville flight tickets
United Airlines
Jan 20
ORD10:35 amChicago O'Hare Intl
7h 27m
1 stop
BRO6:02 pmBrownsville South Padre Is. Intl
Jan 28
BRO5:25 pmBrownsville South Padre Is. Intl
5h 33m
1 stop
ORD10:58 pmChicago O'Hare Intl
$279
Find similar
United Airlines
Jan 14
ORD8:54 amChicago O'Hare Intl
7h 18m
1 stop
BRO4:12 pmBrownsville South Padre Is. Intl
Jan 21
BRO7:15 amBrownsville South Padre Is. Intl
5h 45m
1 stop
ORD1:00 pmChicago O'Hare Intl
$314
Find similar
United Airlines
Feb 14
STL4:39 pmLambert-St Louis
4h 52m
1 stop
BRO9:31 pmBrownsville South Padre Is. Intl
Feb 28
BRO5:25 pmBrownsville South Padre Is. Intl
4h 49m
1 stop
STL10:14 pmLambert-St Louis
$324
Find similar

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 December 28, 2025.
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 1/20

10:35 am-6:02 pm

1 stop7h 27m

Brownsville South Padre Is. Intl

Wed 1/28

5:25 pm-10:58 pm

1 stop5h 33m

$279

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Fri 1/30

5:04 pm-11:33 pm

1 stop6h 29m

Brownsville South Padre Is. Intl

Tue 2/3

6:49 pm-10:59 pm

1 stop4h 10m

$279

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

Tue 2/3

6:00 pm-11:33 pm

1 stop5h 33m

Brownsville South Padre Is. Intl

Sat 2/7

6:00 am-10:54 am

1 stop4h 54m

$289

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Sat 1/10

11:55 am-6:19 pm

1 stop6h 24m

Brownsville South Padre Is. Intl

Wed 1/14

6:49 pm-10:55 pm

1 stop4h 06m

$309

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

Wed 1/14

8:54 am-4:12 pm

1 stop7h 18m

Brownsville South Padre Is. Intl

Wed 1/21

7:15 am-1:00 pm

1 stop5h 45m

$314

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Sat 1/10

11:05 am-11:33 pm

2 stops12h 28m

Brownsville South Padre Is. Intl

Wed 1/14

6:49 pm-10:55 pm

1 stop4h 06m

$314

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Sat 2/14

4:39 pm-9:31 pm

1 stop4h 52m

Brownsville South Padre Is. Intl

Sat 2/28

5:25 pm-10:14 pm

1 stop4h 49m

$324

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

Fri 2/20

3:15 pm-11:17 pm

1 stop8h 02m

Brownsville South Padre Is. Intl

Fri 3/6

2:57 pm-10:23 pm

1 stop7h 26m

$329

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Fri 1/30

6:00 am-11:31 am

1 stop5h 31m

Brownsville South Padre Is. Intl

Tue 2/3

9:30 am-7:27 pm

2 stops9h 57m

$329

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Sat 2/14

2:26 pm-11:17 pm

2 stops8h 51m

Brownsville South Padre Is. Intl

Sat 2/28

5:40 am-1:56 pm

2 stops8h 16m

$334

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 February is another great option to travel to Brownsville, with average flight prices from Illinois averaging around $348.

Can stopping save me money on Illinois to Brownsville flights?

You could potentially save up to 27% 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 52m

Direct flights

None
The fastest flight from Illinois to Brownsville takes 4h 52m
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
11,073 reviews
Search American Airlines flights
United AirlinesPriceFrom $273Free CancellationRating
7.4
9,113 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 1/27
Tue 2/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States