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$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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BRO
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$260
(United Airlines)

One-way from

$140
(American Airlines)

Popular in

May

Cheapest in

September

Average price

$364
Provider with most accurate pricing for Chicago (CHI)-Brownsville South Padre Is. Intl flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Brownsville South Padre Is. Intl flights.
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From Illinois to Brownsville South Padre Is. Intl
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One-way flight from Illinois to Brownsville South Padre Is. Intl
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Highest demand for flights based on searches. 15% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 February 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/20. 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 6/125:55 pmSTL - BRO
1 stop5h 03mUnited Airlines
Sun 6/155:15 amBRO - STL
1 stop5h 24mUnited Airlines
Deal found 2/20$260
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Mon 3/105:37 pmSTL - BRO
1 stop5h 22mAmerican Airlines
Fri 3/145:45 amBRO - STL
1 stop4h 53mAmerican Airlines
Deal found 2/20$268
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Sat 4/57:45 amORD - BRO
1 stop5h 56mUnited Airlines
Sat 4/124:55 pmBRO - ORD
1 stop7h 20mUnited Airlines
Deal found 2/19$269
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Sat 3/84:40 pmORD - BRO
1 stop6h 18mAmerican Airlines
Sun 3/166:13 pmBRO - ORD
1 stop6h 05mAmerican Airlines
Deal found 2/19$274
This American Airlines deal was found by Cheapflights users on 2/19. 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 5/206:17 amMLI - BRO
1 stop8h 05mAmerican Airlines
Sat 5/2410:41 amBRO - MLI
2 stops11h 04mAmerican Airlines
Deal found 2/19$483
This United Airlines deal was found by Cheapflights users on 2/20. 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 3/185:20 pmMLI - BRO
2 stops28h 17mUnited Airlines
Sat 3/225:15 pmBRO - MLI
2 stops28h 15mUnited Airlines
Deal found 2/20$694

Find flights from Illinois to Brownsville within your budget

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 February 20, 2025.

Fly from

Illinois

Fly to

Brownsville

Route

Depart

Return

Price

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Thu 6/12

5:55 pm-10:58 pm

1 stop5h 03m

Brownsville South Padre Is. Intl

Sun 6/15

5:15 am-10:39 am

1 stop5h 24m

$260

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Mon 3/10

5:37 pm-10:59 pm

1 stop5h 22m

Brownsville South Padre Is. Intl

Fri 3/14

5:45 am-10:38 am

1 stop4h 53m

$268

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

Sat 4/5

7:45 am-1:41 pm

1 stop5h 56m

Brownsville South Padre Is. Intl

Sat 4/12

4:55 pm-12:15 am

1 stop7h 20m

$269

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

Sat 3/8

4:40 pm-10:58 pm

1 stop6h 18m

Brownsville South Padre Is. Intl

Sun 3/16

6:13 pm-12:18 am

1 stop6h 05m

$274

MolineBrownsville

MLI - BRO

MLIBRO

Moline Quad-City

Tue 5/20

6:17 am-2:22 pm

1 stop8h 05m

Brownsville South Padre Is. Intl

Sat 5/24

10:41 am-9:45 pm

2 stops11h 04m

$483

MolineBrownsville

MLI - BRO

MLIBRO

Moline Quad-City

Tue 3/18

5:20 pm-9:37 pm

2 stops28h 17m

Brownsville South Padre Is. Intl

Sat 3/22

5:15 pm-9:30 pm

2 stops28h 15m

$694

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

Wed 3/5

6:41 am-2:26 pm

1 stop7h 45m

$140

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

Wed 3/5

7:55 pm-4:05 pm

2 stops20h 10m

$270

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Wed 2/26

5:37 pm-10:58 pm

1 stop5h 21m

$335

ChicagoBrownsville

ORD - BRO

ORDBRO

Chicago O'Hare Intl

Wed 3/5

10:34 am-10:13 am

3 stops23h 39m

$923

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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.

Travel insights for flights from Illinois to Brownsville

Get recent, data-driven insights about flights from Illinois to Brownsville including ideal travel times, pricing trends, and more.

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 $488). 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 February 20, 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 February 20, 2025.
Read through reviews of airlines operating flights from Illinois to Brownsville, such as Alaska Airlines, 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.
Alaska Airlines
8.0
Very good
9,697 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,697 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,765 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 cheapest airlines to fly from Illinois to Brownsville one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $140. United Airlines flights start at $270 while deals on Alaska Airlines start at $923 one-way.

  • 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 $488). 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.

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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$268Average$369FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$506FlexibilityNo cancel feeOn-time71%
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