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Brownsville

$165+ Cheap flights from Illinois to Brownsville (BRO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BRO
janv. 17 — janv. 241
sam. 1/17
sam. 1/24
1 adult, Economy
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Cheap flight deals from Illinois to Brownsville

Cheapest flights from Illinois to Brownsville
Explore the most affordable flight options available from Illinois to Brownsville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on décembre 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 12/252:17 pmORD - BRO
1 stop5h 25mUnited Airlines
lun. 12/294:55 pmBRO - ORD
1 stop7h 19mUnited Airlines
Deal found 12/16$486
This United Airlines deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 12/276:20 pmORD - BRO
1 stop5h 17mUnited Airlines
mer. 1/149:30 amBRO - ORD
1 stop5h 10mUnited Airlines
Deal found 12/18$519
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/296:20 pmORD - BRO
1 stop5h 17mUnited Airlines
mar. 12/305:10 amBRO - ORD
1 stop4h 58mUnited Airlines
Deal found 12/16$539
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 12/252:17 pmORD - BRO
1 stop5h 25mUnited Airlines
mer. 12/315:10 amBRO - ORD
1 stop4h 58mUnited Airlines
Deal found 12/16$544
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 12/2511:35 amORD - BRO
1 stop8h 07mUnited Airlines
sam. 12/275:10 amBRO - ORD
1 stop5h 52mUnited Airlines
Deal found 12/16$579
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 12/216:20 pmORD - BRO
1 stop5h 17mUnited Airlines
mer. 12/315:10 amBRO - ORD
1 stop4h 58mUnited Airlines
Deal found 12/16$584
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/296:20 pmORD - BRO
1 stop5h 17mUnited Airlines
mer. 12/315:10 amBRO - ORD
2 stops28h 45mUnited Airlines
Deal found 12/16$591
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 12/255:50 pmORD - BRO
2 stops17h 36mUnited Airlines
mar. 12/305:10 amBRO - ORD
1 stop7h 07mUnited Airlines
Deal found 12/16$601
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/296:20 pmORD - BRO
1 stop5h 17mUnited Airlines
ven. 1/25:10 amBRO - ORD
1 stop5h 52mUnited Airlines
Deal found 12/16$634
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 12/255:50 pmORD - BRO
2 stops17h 36mUnited Airlines
ven. 12/264:55 pmBRO - ORD
1 stop5h 42mUnited Airlines
Deal found 12/16$636
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/305:03 pmORD - BRO
1 stop6h 34mUnited Airlines
ven. 1/25:10 amBRO - ORD
1 stop4h 58mUnited Airlines
Deal found 12/17$639
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/3110:30 amSTL - BRO
1 stop5h 37mUnited Airlines
dim. 1/45:10 amBRO - STL
1 stop16h 45mUnited Airlines
Deal found 12/15$710

Find flight deals from Illinois to Brownsville

Keep the following information in mind while searching for Illinois to Brownsville flight deals. Data was last updated décembre 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$289
(United Airlines)

One-way from

$165
(American Airlines)

Popular in

March

Cheapest in

February

Average price

$464
Provider with most accurate pricing for Chicago (CHI)-Brownsville South Padre Is. Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Brownsville South Padre Is. Intl flights.
Search Deals
From Illinois to Brownsville South Padre Is. Intl
Search Deals
One-way flight from Illinois to Brownsville South Padre Is. Intl
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated décembre 18, 2025.
Use the filters below to find and compare flights from Illinois to Brownsville that are best for you.

Fly from

Illinois

Fly to

Brownsville

Route

Depart

Return

Price

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

mar. 3/17

2:10 pm-9:31 pm

1 stop7h 21m

Brownsville South Padre Is. Intl

sam. 3/21

5:25 pm-12:26 am

1 stop7h 01m

$289

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

mar. 4/21

4:00 pm-9:32 pm

1 stop5h 32m

Brownsville South Padre Is. Intl

mer. 4/29

5:25 pm-12:30 am

1 stop7h 05m

$289

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

mer. 3/18

12:45 pm-6:50 pm

1 stop6h 05m

Brownsville South Padre Is. Intl

dim. 3/22

5:15 am-10:07 am

1 stop4h 52m

$331

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

mer. 3/18

12:45 pm-6:50 pm

1 stop6h 05m

Brownsville South Padre Is. Intl

sam. 3/21

5:25 pm-11:08 pm

1 stop5h 43m

$331

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

mer. 1/21

6:00 am-11:31 am

1 stop5h 31m

Brownsville South Padre Is. Intl

sam. 1/24

9:30 am-3:39 pm

1 stop6h 09m

$349

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

mer. 1/14

6:00 am-11:31 am

1 stop5h 31m

Brownsville South Padre Is. Intl

mar. 1/20

5:25 pm-10:00 pm

1 stop4h 35m

$349

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

ven. 1/2

11:53 am-7:18 pm

1 stop7h 25m

Brownsville South Padre Is. Intl

mar. 1/6

10:53 am-5:09 pm

1 stop6h 16m

$354

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

sam. 1/17

7:00 am-6:02 pm

2 stops11h 02m

Brownsville South Padre Is. Intl

mer. 1/21

5:25 pm-10:00 pm

1 stop4h 35m

$354

MolineBrownsville

MLI - BRO

MLIBRO

Moline Quad-City

sam. 1/24

10:47 am-6:02 pm

2 stops7h 15m

Brownsville South Padre Is. Intl

mer. 1/28

7:15 am-3:09 pm

2 stops7h 54m

$369

MolineBrownsville

MLI - BRO

MLIBRO

Moline Quad-City

mar. 1/27

10:47 am-9:31 pm

2 stops10h 44m

Brownsville South Padre Is. Intl

mar. 2/3

9:30 am-4:54 pm

2 stops7h 24m

$369

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 38 results
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Best time to book a flight from Illinois to Brownsville

Have a flexible travel schedule? Discover the best time to fly to Brownsville from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Brownsville

What is the cheapest month to book a flight from Illinois to Brownsville?

Currently, January is the cheapest month in which you can book a flight from Illinois to Brownsville (average of $179). Flying from Illinois to Brownsville in December is currently the most expensive (average of $281). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Brownsville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Brownsville from Illinois?

    For a flight from Illinois to Brownsville, you will be flying into South Padre Is. Intl. Brownsville South Padre Is. Intl (BRO) is just 4.5 mi from the center of the city.

  • How long is the flight from Illinois to Brownsville?

    United Airlines and American Airlines can get you from Illinois to Brownsville in just under 7h 21m. Your travel time can differ by up to 04m. Airlines will cover a distance of 1235 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Illinois to Brownsville?

    When deciding which route to take from Illinois to Brownsville consider Chicago O'Hare Intl - Brownsville South Padre Is. Intl, Moline Quad-City - Brownsville South Padre Is. Intl or Lambert-St Louis - Brownsville South Padre Is. Intl as they are the most popular.

  • Can I find deals for flights from Illinois to Brownsville that include hotel bookings?

    Yes. In addition to deals on Illinois to Brownsville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Brownsville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Brownsville.

  • Can I find deals for business class flights from Illinois to Brownsville?

    Yes. Cheapflights offers flight deals from Illinois to Brownsville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Brownsville?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Brownsville (average of $179). Flying from Illinois to Brownsville in December is currently the most expensive (average of $281). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Illinois to Brownsville

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Illinois to Brownsville

Discover the top 2 airlines that operate flights from Illinois to Brownsville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated décembre 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$268Average$453FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$273Average$348FlexibilityNo cancel feeOn-time69%

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