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$41+ Cheap flights from Alabama 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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — ORD
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Alabama to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Alabama (USAL) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Find flight deals from Alabama to Illinois

Cheapest flights from Alabama to Illinois
Explore the most affordable flight options available from Alabama to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/710:28 pmATL - MDW
Nonstop2h 01mFrontier
Wed 12/1112:57 pmMDW - ATL
Nonstop2h 09mFrontier
Deal found 11/19$72
This Frontier deal was found by Cheapflights users on 11/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/167:47 pmATL - ORD
Nonstop2h 23mFrontier
Tue 12/175:38 pmORD - ATL
Nonstop2h 22mFrontier
Deal found 11/19$79
This FlightHub deal was found by Cheapflights users on 11/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/148:45 pmATL - ORD
1 stop10h 58mMultiple Airlines
Tue 12/175:38 pmORD - ATL
Nonstop2h 22mMultiple Airlines
Deal found 11/19$87
This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/75:35 pmATL - ORD
1 stop7h 58mSpirit Airlines
Wed 12/115:11 pmORD - ATL
1 stop6h 44mSpirit Airlines
Deal found 11/19$102
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Wed 12/1110:18 amATL - ORD
Nonstop2h 09mUnited Airlines
Wed 12/1810:35 amORD - ATL
Nonstop2h 05mUnited Airlines
Deal found 11/19$169
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Wed 12/117:30 amHSV - ORD
Nonstop2h 16mUnited Airlines
Sat 12/146:05 pmORD - HSV
Nonstop1h 53mUnited Airlines
Deal found 11/19$172
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/107:10 amATL - ORD
Nonstop2h 09mDelta
Sat 12/147:00 amORD - ATL
Nonstop2h 05mDelta
Deal found 11/20$193
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/268:25 amATL - MDW
Nonstop1h 58mDelta
Tue 12/316:00 amMDW - ATL
Nonstop1h 58mDelta
Deal found 11/19$197
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Thu 12/512:12 pmCHA - ORD
Nonstop2h 06mUnited Airlines
Sun 12/88:45 amORD - CHA
Nonstop1h 46mUnited Airlines
Deal found 11/19$199
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/113:20 pmCHA - ORD
1 stop4h 28mDelta
Sun 12/155:40 amORD - CHA
1 stop3h 40mDelta
Deal found 11/19$208
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Wed 12/116:55 amHSV - ORD
Nonstop2h 14mAmerican Airlines
Sat 12/141:54 pmORD - HSV
1 stop7h 29mAmerican Airlines
Deal found 11/19$212
This Delta deal was found by Cheapflights users on 11/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/74:45 pmCHA - MDW
1 stop6h 21mDelta
Wed 12/119:30 amMDW - CHA
1 stop5h 15mDelta
Deal found 11/18$213

Find flights from Alabama to Illinois within your budget

Customize your flight search to find flights from Alabama 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Tue 12/17

3:05 pm-4:33 pm

Nonstop2h 28m

Chicago O'Hare Intl

Wed 12/18

4:11 pm-7:30 pm

Nonstop2h 19m

$69

AtlantaChicago

ATL - MDW

ATLMDW

Atlanta Hartsfield-Jackson

Mon 1/6

10:13 pm-11:14 pm

Nonstop2h 01m

Chicago Midway

Fri 1/10

12:46 pm-3:55 pm

Nonstop2h 09m

$70

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Sat 12/14

8:45 pm-6:43 am

1 stop10h 58m

Chicago O'Hare Intl

Tue 12/17

5:38 pm-9:00 pm

Nonstop2h 22m

$87

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Sat 12/7

5:35 pm-12:33 am

1 stop7h 58m

Chicago O'Hare Intl

Wed 12/11

5:11 pm-12:55 am

1 stop6h 44m

$102

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Sat 2/1

12:40 pm-1:42 pm

Nonstop2h 02m

Chicago O'Hare Intl

Wed 2/5

5:45 am-8:53 am

Nonstop2h 08m

$137

HuntsvilleChicago

HSV - ORD

HSVORD

Huntsville

Thu 1/23

6:49 am-9:00 am

Nonstop2h 11m

Chicago O'Hare Intl

Tue 2/4

5:40 pm-7:28 pm

Nonstop1h 48m

$157

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Wed 12/11

3:45 pm-4:55 pm

Nonstop2h 10m

Chicago O'Hare Intl

Wed 12/11

8:30 pm-11:32 pm

Nonstop2h 02m

$164

HuntsvilleChicago

HSV - ORD

HSVORD

Huntsville

Wed 12/11

7:30 am-9:46 am

Nonstop2h 16m

Chicago O'Hare Intl

Sat 12/14

6:05 pm-7:58 pm

Nonstop1h 53m

$172

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

Sat 2/22

7:00 am-8:04 am

Nonstop2h 04m

Chicago O'Hare Intl

Tue 2/25

8:50 am-11:31 am

Nonstop1h 41m

$189

AtlantaChicago

ATL - MDW

ATLMDW

Atlanta Hartsfield-Jackson

Thu 12/26

8:25 am-9:23 am

Nonstop1h 58m

Chicago Midway

Tue 12/31

6:00 am-8:58 am

Nonstop1h 58m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 60 results
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Best time to book a flight from Alabama to Illinois

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

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

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

Currently, September is the cheapest month in which you can book a flight from Alabama to Illinois (average of $232). Flying from Alabama to Illinois in June is currently the most expensive (average of $308). 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 AL to IL?

Find hourly flight availability from Alabama to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

When flying from Alabama to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Alabama to Illinois

Explore weekly flight availability from Alabama to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 20, 2024.

The most flights from USAL to USIL are scheduled on a Monday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 November 20, 2024.
Peruse reviews from past customers who have flown with Frontier, American Airlines and Southwest from Alabama to Illinois to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Food

7.2

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Food

7.2

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Food

7.2

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Food

7.2

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Food

7.2

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

WestJet
7.3
Good
2,811 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Food

7.2

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Alabama to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Alabama to Illinois one-way?

    The cheapest airlines for a one-way flight from Alabama to Illinois are Frontier ($41), Spirit Airlines ($45), and United Airlines ($69).

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Alabama to Illinois (average of $232). Flying from Alabama to Illinois in June is currently the most expensive (average of $308). 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

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Alternative routes for Alabama to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Alabama to Illinois

Discover the top 4 airlines that operate flights from Alabama 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$131Average$441FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$167Average$370FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$185Average$371FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$270Average$391FlexibilityNo cancel feeOn-time63%
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