$449 Find Cheap Flights from Birmingham to Illinois

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Birmingham to Illinois departing on 7/15. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Illinois

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Birmingham to Illinois, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Birmingham to Illinois, as well as popular online travel agencies
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Flights Deals

Best Illinois Flight Deals from Birmingham

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Chicago
Chicago1 stop$546
St. Louis
St. Louis3 stops$1,216
Chicago
Chicago1 stop$546
St. Louis
St. Louis3 stops$1,216

Cheap Flights from Birmingham to Illinois (BHX-USIL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Birmingham 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 Birmingham to Illinois

Tue, Nov 4 - Sat, Nov 15
Scandinavian Airlines Logo
7:10 pm - 4:45 pmBHX-ORD
27h 35m1 stop
Scandinavian Airlines Logo
7:20 pm - 6:30 pmORD-BHX
17h 10m1 stop
$546Scandinavian Airlines
Find Deal
Tue, Nov 4 - Thu, Nov 20
Scandinavian Airlines Logo
7:10 pm - 4:45 pmBHX-ORD
27h 35m1 stop
Scandinavian Airlines Logo
7:20 pm - 6:30 pmORD-BHX
17h 10m1 stop
$589Scandinavian Airlines
Find Deal
Sat, Oct 11 - Fri, Oct 17
 Logo
7:00 am - 2:00 pmBHX-ORD
13h 00m1 stop
 Logo
9:15 pm - 3:00 pmORD-BHX
11h 45m1 stop
Sat, Oct 11 - Sat, Oct 18
 Logo
8:30 am - 2:00 pmBHX-ORD
11h 30m1 stop
 Logo
3:45 pm - 8:15 amORD-BHX
10h 30m1 stop
Tue, Nov 4 - Tue, Nov 18
Delta Logo
9:20 am - 9:46 pmBHX-ORD
18h 26m2 stops
Delta Logo
1:35 pm - 9:40 amORD-BHX
14h 05m2 stops
$652Delta
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Tue, Nov 4 - Tue, Nov 18
Delta Logo
9:20 am - 6:36 pmBHX-MDW
15h 16m2 stops
Delta Logo
5:59 pm - 3:20 pmMDW-BHX
15h 21m2 stops
$652Delta
Find Deal
Mon, Sep 1 - Thu, Sep 18
KLM Logo
9:05 am - 2:40 pmBHX-ORD
11h 35m1 stop
KLM Logo
4:20 pm - 8:20 amORD-BHX
10h 00m1 stop
$663KLM
Find Deal
Sat, Oct 11 - Fri, Oct 17
KLM Logo
1:20 pm - 2:10 pmBHX-ORD
30h 50m1 stop
KLM Logo
4:20 pm - 12:45 pmORD-BHX
14h 25m1 stop
$688KLM
Find Deal
Tue, Jul 29 - Mon, Aug 4
Aer Lingus Logo
8:15 am - 2:00 pmBHX-ORD
11h 45m1 stop
Aer Lingus Logo
3:45 pm - 7:40 amORD-BHX
9h 55m1 stop
$896Aer Lingus
Find Deal
Sat, Aug 16 - Sun, Aug 17
Aer Lingus Logo
8:10 am - 8:16 pmBHX-STL
18h 06m2 stops
Aer Lingus Logo
7:23 am - 7:40 amSTL-BHX
18h 17m2 stops
$1,450Aer Lingus
Find Deal
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KAYAK's insights & trends for Birmingham to Illinois flights

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

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Birmingham 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 Birmingham to Illinois is November, when tickets cost $632 (return) on average. On the other hand, the most expensive months are July and August, when the average cost of round-trip tickets is $1,006 and $892 respectively.

What’s the cheapest day of the week to fly from Birmingham to Illinois?

The average price of all round-trip flights from Birmingham to Illinois clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Birmingham to Illinois, look for departures on Thursdays and avoid leaving on a Friday, as it's usually the priciest day. When flying back from Illinois, Sunday is the cheapest day to fly and Saturday is the most expensive.

How far in advance should I book a flight from Birmingham to Illinois?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Birmingham to Illinois, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Birmingham to Illinois, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.


Good to know

Low seasonJanuary
High seasonJuly
Cheapest flight$449
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly with an average 14% increase in price.
Flight from Birmingham to Chicago Midway Airport

FAQs - booking Illinois flights

  • How does KAYAK find such low prices on flights from Birmingham 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 Birmingham to Illinois.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Birmingham 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 Birmingham 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 Birmingham 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 Birmingham 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 Birmingham to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Illinois?

    The cheapest time of day to fly to Illinois is generally in the afternoon, when round-trip flights cost $713 on average. The most expensive time of day to fly to Illinois is generally in the morning, which is peak travel time and where the average cost of a ticket is $789.

Top airline flying from Birmingham to Illinois

 
See real verified KAYAK customer reviews for airlines flying from Birmingham to Illinois. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Birmingham to Illinois? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.1
Aer LingusOverall score based on 1103 reviews
7.9Crew
6.4Food
6.8Entertainment
7.2Boarding
7.0Comfort
Airline reviews

i used to fly aer Lingus regularly but due to price - poor seating etc i have been using other carriers - i now have aer lingus in my state and the price is always the highest - i have flown to Ireland 11 times in last 24 months and have not used Hartford because of price

6.0 GoodAnonymous, May 2025DUB - EWR
Read more Aer Lingus reviews

i used to fly aer Lingus regularly but due to price - poor seating etc i have been using other carriers - i now have aer lingus in my state and the price is always the highest - i have flown to Ireland 11 times in last 24 months and have not used Hartford because of price

Nicest staff I’ve experienced on a plane! Good food, great entertainment, and they gave out little blankets that my kids loved. All in all, great experience.

The Glasgow to Dublin route was very efficiently boarded, flight and landing and disembarkation were all super smooth. Dublin to JFK flight I was very pleasantly surprised overall. This was my first time on Aer Lingus and having already come off the short regional flight I was curious to know how the international flight would go. Aircraft was solid, entertainment options were better than expected, flight crew were experienced and operated like clockwork. Main entree left a little something to be desired but the snack was very tasty. Boarding and disembarkation again very smooth and pilots got us in earlier than expected. Would definitely fly again

Unfortunately the flight was delayed for 50 min. Just as we were about to board so that was a drag. The boarding was average. The bag check in process was new to us and efficient. And the flight itself was smooth- basically no turbulence.

I liked how they looked after couples by providing a row of 4 seats if available.

It was ok not that much because I always travel with Emirates airlines, Etihad, airlines, Qatar airlines compare to them food and comfortable was too low . Staff was good . Helpful

I believe it was short flight in plane I understand not that much compared to other airlines but weighting for checkin was too long need extra person for checkin or Atleast someone to let the customer knows don’t worry someone will be here shortly.

Noted in last review. Good to know, though air Lingus on European flights does not offer any food or drink, even though we were on the plane for 3 1/2 hours from Naples to Dublin everything you had to purchase even water.

Boarding seemed a bit chaotic and we had to walk outside across the tarmac. Passengers of all ages had to drag carry on luggage up the outside stairway into the aircraft. There was no WiFi. Very uncomfortable crammed seats. Glad in-air time was only an hour!

Booked through Kayak, couldnt take flight, Kayak punted to Orbiz, Orbiz punted to Aer Lingus, Aer Lingus said sorry about your luck, try Kayak/Orbiz. Terrible customer service collecting air fares and not even offering a voucher when customers cant take flight

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

Information on your arrival and departure airports

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