$183 Find Cheap Flights from Brownsville to Illinois - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Brownsville to Illinois departing on 10/23. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Book Cheap Brownsville to Illinois Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Brownsville to Illinois that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Brownsville to Illinois

Sat, Sep 5 - Sun, Sep 13
American Airlines Logo
5:47 am - 1:28 pm
BRO
-
ORD
7h 41m
1 stop
American Airlines Logo
5:00 am - 10:09 am
ORD
-
BRO
5h 09m
1 stop
$329American Airlines
Sun, Aug 23 - Sat, Aug 29
American Airlines Logo
5:43 am - 11:11 am
BRO
-
ORD
5h 28m
1 stop
American Airlines Logo
6:18 pm - 11:23 pm
ORD
-
BRO
5h 05m
1 stop
$335American Airlines
Fri, Aug 14 - Mon, Aug 24
American Airlines Logo
6:37 pm - 12:18 am
BRO
-
ORD
5h 41m
1 stop
American Airlines Logo
3:54 pm - 11:23 pm
ORD
-
BRO
7h 29m
1 stop
$339American Airlines
Fri, Aug 21 - Sun, Aug 23
Multiple Airlines Logo
8:35 am - 8:08 pm
BRO
-
ORD
35h 33m
2 stops
Multiple Airlines Logo
7:44 pm - 7:55 am
ORD
-
BRO
12h 11m
1 stop
$347Multiple Airlines
Mon, Aug 17 - Thu, Aug 20
Multiple Airlines Logo
8:35 am - 11:10 pm
BRO
-
ORD
14h 35m
1 stop
Multiple Airlines Logo
7:44 pm - 7:55 am
ORD
-
BRO
12h 11m
1 stop
$349Multiple Airlines
Fri, Aug 7 - Fri, Aug 21
American Airlines Logo
2:37 pm - 9:16 pm
BRO
-
ORD
6h 39m
1 stop
American Airlines Logo
7:00 am - 2:07 pm
ORD
-
BRO
7h 07m
1 stop
$364American Airlines
Mon, Aug 17 - Sun, Aug 23
Multiple Airlines Logo
8:35 am - 11:10 pm
BRO
-
ORD
14h 35m
1 stop
Multiple Airlines Logo
7:05 am - 7:55 am
ORD
-
BRO
24h 50m
2 stops
$372Multiple Airlines
Sat, Aug 8 - Sat, Aug 15
United Airlines Logo
12:10 pm - 5:29 pm
BRO
-
ORD
5h 19m
1 stop
United Airlines Logo
6:30 am - 11:23 am
ORD
-
BRO
4h 53m
1 stop
$374United Airlines
Mon, Sep 21 - Wed, Sep 23
Multiple Airlines Logo
8:45 am - 11:55 pm
BRO
-
ORD
15h 10m
1 stop
Multiple Airlines Logo
10:40 pm - 8:05 am
ORD
-
BRO
33h 25m
2 stops
$383Multiple Airlines
Mon, Aug 17 - Sun, Aug 23
Multiple Airlines Logo
8:35 am - 11:10 pm
BRO
-
ORD
14h 35m
1 stop
Multiple Airlines Logo
7:44 pm - 7:55 am
ORD
-
BRO
12h 11m
1 stop
$386Multiple Airlines
Booking Insights

KAYAK's insights & trends for Brownsville to Illinois flights

Get data-powered insights and trends into flights from Brownsville to Illinois to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Brownsville to Illinois?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Brownsville to Illinois departing in September.

Flight prices are below average for this route right now.

Flights to Illinois from Brownsville usually cost between $379 and $474 in September.
The lowest price found in the past 5 days was $329 on American Airlines (Sep 5-Sep 13).

What is the cheapest month to fly from Brownsville to Illinois?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Brownsville to Illinois, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Brownsville to Illinois is April, when tickets cost $336 (return) on average. On the other hand, the most expensive months are May and March, when the average cost of round-trip tickets is $774 and $633 respectively.

Find deals

Good to know

Low season

April

Cheapest flight

$183
Best time to beat the crowds with an average 38% drop in price.
Most popular time to fly and prices are also 8% lower on average.
Flight from Brownsville to Chicago

FAQs - booking Illinois flights

  • How does KAYAK find such low prices on flights from Brownsville to Illinois?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Brownsville to Illinois.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Brownsville to Illinois?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Brownsville to Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Brownsville to Illinois?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Brownsville to Illinois with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Brownsville to Illinois?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Brownsville to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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

Information on your arrival and departure airports

Brownsville (BRO)