HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$155+ Cheap flights from Brownsville (BRO) to Illinois

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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
BRO — ORD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Brownsville to Illinois 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 Brownsville to Illinois

Keep the following information in mind while searching for Brownsville to Illinois flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$299
(American Airlines)

One-way from

$155
(United Airlines)

Popular in

October

Cheapest in

July

Average price

$456
Provider with most accurate pricing for Brownsville South Padre Is. Intl-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Brownsville South Padre Is. Intl-Chicago (CHI) flights.
Search Deals
From Brownsville South Padre Is. Intl to Illinois
Search Deals
One-way flight from Brownsville South Padre Is. Intl to Illinois
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($4 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 October 2025
Search Deals

Find flight deals from Brownsville to Illinois

Cheapest flights from Brownsville to Illinois
Explore the most affordable flight options available from Brownsville to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This American Airlines deal was found by Cheapflights users on 10/30. 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 12/115:54 pmBRO - ORD
1 stop5h 32mAmerican Airlines
Mon 12/158:50 amORD - BRO
1 stop8h 19mAmerican Airlines
Deal found 10/30$299
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/135:15 pmBRO - ORD
1 stop7h 00mUnited Airlines
Mon 11/175:50 pmORD - BRO
1 stop5h 46mUnited Airlines
Deal found 10/29$419
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 12/263:03 pmBRO - ORD
1 stop7h 17mAmerican Airlines
Tue 12/301:15 pmORD - BRO
1 stop6h 03mAmerican Airlines
Deal found 10/29$439
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 11/117:15 amBRO - ORD
1 stop4h 53mUnited Airlines
Sat 11/158:50 amORD - BRO
1 stop7h 10mUnited Airlines
Deal found 10/29$454
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Thu 12/115:25 pmBRO - ORD
1 stop6h 50mUnited Airlines
Mon 12/152:00 pmORD - BRO
2 stops21h 27mUnited Airlines
Deal found 10/30$462
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 10/315:15 pmBRO - ORD
1 stop7h 00mUnited Airlines
Tue 11/45:10 pmORD - BRO
1 stop6h 26mUnited Airlines
Deal found 10/29$469
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 12/264:55 pmBRO - ORD
1 stop7h 19mUnited Airlines
Tue 12/306:05 pmORD - BRO
2 stops17h 21mUnited Airlines
Deal found 10/29$477
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 11/55:20 amBRO - ORD
1 stop5h 17mAmerican Airlines
Sun 11/910:25 amORD - BRO
1 stop7h 16mAmerican Airlines
Deal found 10/29$484
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 11/216:11 pmBRO - ORD
1 stop5h 20mAmerican Airlines
Mon 11/247:31 amORD - BRO
1 stop6h 49mAmerican Airlines
Deal found 10/29$492
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 11/45:15 pmBRO - ORD
1 stop7h 00mUnited Airlines
Thu 11/65:10 pmORD - BRO
1 stop6h 26mUnited Airlines
Deal found 10/30$499
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 11/215:15 pmBRO - ORD
1 stop7h 00mUnited Airlines
Mon 11/246:00 amORD - BRO
1 stop5h 28mUnited Airlines
Deal found 10/30$518

Cheapflights Fare Finder

 
Customize your flight search to find flights from Brownsville to Illinois 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 October 30, 2025.
Use the filters below to find and compare flights from Brownsville to Illinois that are best for you.

Fly from

Brownsville

Fly to

Illinois

Route

Depart

Return

Price

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Thu 12/11

5:54 pm-11:26 pm

1 stop5h 32m

Chicago O'Hare Intl

Mon 12/15

8:50 am-5:09 pm

1 stop8h 19m

$299

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Fri 4/24

5:25 pm-10:36 pm

1 stop5h 11m

Chicago O'Hare Intl

Mon 4/27

4:05 pm-11:03 pm

1 stop6h 58m

$349

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Thu 11/13

5:15 pm-12:15 am

1 stop7h 00m

Chicago O'Hare Intl

Mon 11/17

5:50 pm-11:36 pm

1 stop5h 46m

$419

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Fri 12/26

3:03 pm-10:20 pm

1 stop7h 17m

Chicago O'Hare Intl

Tue 12/30

1:15 pm-7:18 pm

1 stop6h 03m

$439

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Tue 11/11

7:15 am-12:08 pm

1 stop4h 53m

Chicago O'Hare Intl

Sat 11/15

8:50 am-4:00 pm

1 stop7h 10m

$454

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Thu 12/11

5:25 pm-12:15 am

1 stop6h 50m

Chicago O'Hare Intl

Mon 12/15

2:00 pm-11:27 am

2 stops21h 27m

$462

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Fri 12/26

4:55 pm-12:14 am

1 stop7h 19m

Chicago O'Hare Intl

Tue 12/30

6:05 pm-11:26 am

2 stops17h 21m

$477

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Fri 11/21

6:11 pm-11:31 pm

1 stop5h 20m

Chicago O'Hare Intl

Mon 11/24

7:31 am-2:20 pm

1 stop6h 49m

$492

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Fri 11/21

5:15 pm-12:15 am

1 stop7h 00m

Chicago O'Hare Intl

Mon 11/24

6:00 am-11:28 am

1 stop5h 28m

$518

BrownsvilleChicago

BRO - ORD

BROORD

Brownsville South Padre Is. Intl

Fri 4/24

6:21 pm-6:10 am

2 stops11h 49m

Chicago O'Hare Intl

Mon 4/27

6:00 am-1:57 pm

1 stop7h 57m

$546

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 15 results
1
2

Best time to book a flight from Brownsville to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Brownsville 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 Brownsville to Illinois

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

Currently, December is the cheapest month in which you can book a flight from Brownsville to Illinois (average of $130). Flying from Brownsville to Illinois in February is currently the most expensive (average of $328). 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.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated October 30, 2025.
Read through reviews of airlines operating flights from Brownsville to Illinois, 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
8,998 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,998 reviews
United Airlines
7.4
Good
8,998 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,035 reviews
United Airlines
7.4
Good
8,998 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Brownsville to Illinois. 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 from for flights from Brownsville to Illinois?

    For a flight from Brownsville to Illinois, you will be flying from 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 Brownsville to Illinois?

    Airlines like American Airlines and United Airlines fly from Brownsville to Illinois in about 5h 11m. The time it takes to get you to your destination can typically vary by up to 21m. There are 1235 mi between Brownsville and Illinois. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Brownsville to Illinois 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 Brownsville to Illinois?

    Currently, December is the cheapest month in which you can book a flight from Brownsville to Illinois (average of $130). Flying from Brownsville to Illinois in February is currently the most expensive (average of $328). 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 Brownsville to Illinois

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

Top 2 airlines flying from Brownsville to Illinois

Discover the top 2 airlines that operate flights from Brownsville to Illinois. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$268Average$403FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$383FlexibilityNo 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.