HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Brownsville

$140+ 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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BRO
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Brownsville with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Illinois to Brownsville

Keep the following information in mind while searching for Illinois to Brownsville flight deals. Data was last updated March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$209
(United Airlines)

One-way from

$140
(American Airlines)

Popular in

May

Cheapest in

August

Average price

$482
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. 15% potential increase in price ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find 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 March 31, 2025.

This United Airlines deal was found by Cheapflights users on 3/31. 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.
Sun 5/2512:45 pmORD - BRO
1 stop6h 55mUnited Airlines
Wed 5/287:15 pmBRO - ORD
1 stop4h 58mUnited Airlines
Deal found 3/31$209
This American Airlines deal was found by Cheapflights users on 3/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/204:45 pmORD - BRO
1 stop6h 04mAmerican Airlines
Sat 5/246:05 pmBRO - ORD
1 stop5h 51mAmerican Airlines
Deal found 3/31$244
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 4/306:15 amSTL - BRO
1 stop5h 11mUnited Airlines
Tue 5/69:35 amBRO - STL
1 stop6h 14mUnited Airlines
Deal found 3/30$259
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/227:00 amSTL - BRO
1 stop7h 22mAmerican Airlines
Fri 5/235:33 amBRO - STL
1 stop4h 21mAmerican Airlines
Deal found 3/30$351
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/206:32 pmMLI - BRO
2 stops15h 38mAmerican Airlines
Sat 5/246:05 pmBRO - MLI
2 stops16h 37mAmerican Airlines
Deal found 3/30$403

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 March 31, 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

Sun 5/25

12:45 pm-7:40 pm

1 stop6h 55m

Brownsville South Padre Is. Intl

Wed 5/28

7:15 pm-12:13 am

1 stop4h 58m

$209

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

Tue 5/20

4:45 pm-10:49 pm

1 stop6h 04m

Brownsville South Padre Is. Intl

Sat 5/24

6:05 pm-11:56 pm

1 stop5h 51m

$244

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Wed 4/30

6:15 am-11:26 am

1 stop5h 11m

Brownsville South Padre Is. Intl

Tue 5/6

9:35 am-3:49 pm

1 stop6h 14m

$259

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Thu 5/22

7:00 am-2:22 pm

1 stop7h 22m

Brownsville South Padre Is. Intl

Fri 5/23

5:33 am-9:54 am

1 stop4h 21m

$351

MolineBrownsville

MLI - BRO

MLIBRO

Moline Quad-City

Tue 5/20

6:32 pm-10:10 am

2 stops15h 38m

Brownsville South Padre Is. Intl

Sat 5/24

6:05 pm-10:42 am

2 stops16h 37m

$403

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

Wed 6/11

10:37 am-6:37 pm

1 stop8h 00m

$140

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Thu 5/22

5:19 am-10:10 am

1 stop4h 51m

$176

MolineBrownsville

MLI - BRO

MLIBRO

Moline Quad-City

Sun 4/13

6:30 am-4:15 pm

2 stops9h 45m

$235

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

Wed 6/11

7:00 am-5:44 pm

2 stops10h 44m

$324

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Fri 5/23

5:27 pm-7:40 pm

2 stops26h 13m

$351

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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, August is the cheapest month in which you can book a flight from Illinois to Brownsville (average of $328). Flying from Illinois to Brownsville in March is currently the most expensive (average of $470). 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.

What is the cheapest time of day to fly from IL to BRO?

Find hourly flight availability from Illinois to Brownsville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Brownsville as you normally would.

Rainfall in Brownsville by month

Plan your trip to Brownsville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Brownsville ranges from 1.1 - 5.9 inches per month. September is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Brownsville when rainfall is around 1.1 in.

Temperature in Brownsville by month

Plan your trip to Brownsville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Brownsville, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

Reviews of airlines servicing Brownsville

Get insights into the airlines that provide service to Brownsville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Brownsville. Reviews last updated March 31, 2025.
Read through reviews of airlines operating flights from Illinois to Brownsville, such as United Airlines and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,614 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Boarding

7.7

Entertainment

7.0

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,614 reviews
United Airlines
7.4
Good
8,614 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Boarding

7.7

Entertainment

7.0

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,614 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Boarding

7.7

Entertainment

7.0

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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.

  • 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, August is the cheapest month in which you can book a flight from Illinois to Brownsville (average of $328). Flying from Illinois to Brownsville in March is currently the most expensive (average of $470). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Brownsville

See prices for flight routes from nearby airports that may be better suited for you.
LaGuardia to Dallas/Fort Worth flights
Newark to Dallas/Fort Worth flights
O'Hare Intl to Dallas/Fort Worth flights
Dulles Intl to Dallas/Fort Worth flights
John F Kennedy Intl to Dallas/Fort Worth flights
Baltimore to Dallas/Fort Worth flights
John F Kennedy Intl to Hobby flights
Newark to Austin flights
John F Kennedy Intl to Austin flights
Los Angeles to Dallas/Fort Worth flights
Seattle to Dallas/Fort Worth flights
Reagan-National to Dallas/Fort Worth flights
Boston to Dallas/Fort Worth flights
Orlando to Dallas/Fort Worth flights
Newark to Hobby flights
John F Kennedy Intl to George Bush Intcntl flights
Minneapolis to Dallas/Fort Worth flights
LaGuardia to Hobby flights
Los Angeles to Hobby flights
San Francisco to Dallas/Fort Worth flights
Seattle to Hobby flights
Reagan-National to Hobby flights
Baltimore to Hobby flights
Dulles Intl to Hobby flights
Newark to George Bush Intcntl flights
LaGuardia to Austin flights
Denver to Hobby flights
Dulles Intl to George Bush Intcntl flights
Denver to Dallas/Fort Worth flights
Seattle to Austin flights
Newark to San Antonio flights
Ontario to Dallas/Fort Worth flights
Los Angeles to Austin flights
Hobby to Dallas/Fort Worth flights
Dulles Intl to Austin flights
LaGuardia to George Bush Intcntl flights
Midway to Dallas/Fort Worth flights
Seattle to George Bush Intcntl flights
Boston to Austin flights
Los Angeles to George Bush Intcntl flights
Burbank to Dallas/Fort Worth flights
Boston to Hobby flights
San Francisco to Hobby flights
O'Hare Intl to San Antonio flights
Atlanta to Dallas/Fort Worth flights
John F Kennedy Intl to San Antonio flights
San Francisco to Austin flights
Santa Ana to Dallas/Fort Worth flights
Atlanta to Hobby flights
Dulles Intl to San Antonio flights

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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$268Average$369FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$507FlexibilityNo cancel feeOn-time71%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.