$106+ Cheap flights from Birmingham, AL (BHM) to O'Hare Intl (ORD)
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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — ORD
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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Find cheap flights from Birmingham to O'Hare Intl 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.Cheapflights Tip: The best prices from Birmingham to Chicago O'Hare Intl are usually found in January or September, booked 65 days in advance, depart on a Thursday or Saturday and return on a Saturday
Cheap flight deals from Birmingham to O'Hare Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Birmingham to O'Hare IntlExplore the most affordable flight options available from Birmingham to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
Explore the most affordable flight options available from Birmingham to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
This Delta deal was found by Cheapflights users on 8/14. 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 9/96:25 am -
1 stop4h 12m
Mon 9/141:55 pm -
1 stop6h 43m
Deal found 8/14![Delta logo]()
$271
This American Airlines deal was found by Cheapflights users on 8/13. 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 9/810:22 am -
1 stop6h 26m
Fri 9/115:00 am -
1 stop6h 40m
Deal found 8/13![American Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:58 pm -
2 stops14h 53m
Mon 10/57:11 am -
1 stop8h 27m
Deal found 8/13![Multiple Airlines logo]()
$279
This American Airlines deal was found by Cheapflights users on 8/12. 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 9/146:30 am -
Nonstop2h 40m
Sat 9/1911:00 am -
Nonstop2h 02m
Deal found 8/12![American Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:58 pm -
1 stop18h 22m
Thu 9/177:28 pm -
2 stops24h 50m
Deal found 8/14![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:19 pm -
1 stop24h 31m
Mon 9/146:30 am -
2 stops13h 48m
Deal found 8/14![Multiple Airlines logo]()
$291
This American Airlines deal was found by Cheapflights users on 8/12. 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 9/105:20 am -
1 stop5h 49m
Thu 9/179:20 pm -
Nonstop2h 02m
Deal found 8/12![American Airlines logo]()
$298
This American Airlines deal was found by Cheapflights users on 8/13. 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 9/45:49 pm -
1 stop6h 03m
Sun 9/69:15 pm -
Nonstop2h 01m
Deal found 8/13![American Airlines logo]()
$301
This American Airlines deal was found by Cheapflights users on 8/14. 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 12/126:22 am -
Nonstop2h 38m
Wed 12/169:30 pm -
Nonstop2h 01m
Deal found 8/14![American Airlines logo]()
$307
This American Airlines deal was found by Cheapflights users on 8/13. 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 10/53:47 pm -
1 stop7h 13m
Thu 10/85:00 am -
1 stop6h 15m
Deal found 8/13![American Airlines logo]()
$308
This American Airlines deal was found by Cheapflights users on 8/17. 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 10/16:30 am -
Nonstop2h 40m
Thu 10/810:05 pm -
Nonstop2h 08m
Deal found 8/17![American Airlines logo]()
$310
Best flights from Birmingham to O'Hare IntlDiscover carefully curated flight deals from Birmingham to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
Discover carefully curated flight deals from Birmingham to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Mon 9/77:20 am -
Nonstop2h 25m
Mon 9/149:20 pm -
Nonstop2h 03m
Deal found 8/14![United Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 8/14. 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.
Mon 10/265:06 pm -
1 stop6h 46m
Wed 10/2810:44 am -
1 stop5h 17m
Deal found 8/14![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 8/12. 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 8/277:20 am -
Nonstop2h 25m
Mon 8/3110:25 am -
Nonstop2h 07m
Deal found 8/12![United Airlines logo]()
$453
This United Airlines deal was found by Cheapflights users on 8/14. 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 8/267:20 am -
Nonstop2h 25m
Fri 8/2810:25 am -
Nonstop2h 07m
Deal found 8/14![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/16:16 pm -
Nonstop2h 24m
Sat 9/59:30 pm -
Nonstop2h 05m
Deal found 8/16![United Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Mon 9/216:15 pm -
Nonstop2h 25m
Thu 9/2411:10 am -
Nonstop2h 07m
Deal found 8/13![United Airlines logo]()
$540
This United Airlines deal was found by Cheapflights users on 8/13. 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 11/129:00 am -
2 stops11h 19m
Sun 11/155:30 am -
1 stop8h 35m
Deal found 8/13![United Airlines logo]()
$556
This United Airlines deal was found by Cheapflights users on 8/15. 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 8/207:20 am -
Nonstop2h 25m
Fri 8/219:30 pm -
Nonstop2h 05m
Deal found 8/15![United Airlines logo]()
$575
This United Airlines deal was found by Cheapflights users on 8/16. 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 8/201:07 pm -
Nonstop2h 25m
Sun 8/239:30 pm -
Nonstop2h 05m
Deal found 8/16![United Airlines logo]()
$575
Last-minute flights from Birmingham to O'Hare IntlDiscover last-minute flight deals from Birmingham to O'Hare Intl. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Birmingham to O'Hare Intl. Data last updated August 17, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/13. 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 9/45:49 pm -
1 stop6h 03m
Sun 9/69:15 pm -
Nonstop2h 01m
Deal found 8/13![American Airlines logo]()
$301
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/56:16 pm -
Nonstop2h 24m
Wed 9/99:20 pm -
Nonstop2h 03m
Deal found 8/15![United Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:19 pm -
1 stop24h 31m
Mon 9/146:30 am -
2 stops13h 48m
Deal found 8/14![Multiple Airlines logo]()
$291
This American Airlines deal was found by Cheapflights users on 8/13. 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 9/810:22 am -
1 stop6h 26m
Fri 9/115:00 am -
1 stop6h 40m
Deal found 8/13![American Airlines logo]()
$274
This Delta deal was found by Cheapflights users on 8/14. 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 9/96:25 am -
1 stop4h 12m
Mon 9/141:55 pm -
1 stop6h 43m
Deal found 8/14![Delta logo]()
$271
This American Airlines deal was found by Cheapflights users on 8/12. 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 9/105:20 am -
1 stop5h 49m
Thu 9/179:20 pm -
Nonstop2h 02m
Deal found 8/12![American Airlines logo]()
$298
This American Airlines deal was found by Cheapflights users on 8/12. 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 9/146:30 am -
Nonstop2h 40m
Sat 9/1911:00 am -
Nonstop2h 02m
Deal found 8/12![American Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:58 pm -
1 stop18h 22m
Thu 9/177:28 pm -
2 stops24h 50m
Deal found 8/14![Multiple Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 8/13. 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 9/166:50 am -
1 stop5h 24m
Fri 9/184:45 pm -
1 stop5h 47m
Deal found 8/13![American Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:58 pm -
2 stops14h 53m
Mon 10/57:11 am -
1 stop8h 27m
Deal found 8/13![Multiple Airlines logo]()
$279
One-way flights from Birmingham to O'Hare IntlSearch for one-way flight options from Birmingham to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
Search for one-way flight options from Birmingham to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:58 pm -
1 stop18h 22m
Deal found 8/17![Multiple Airlines logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:58 pm -
1 stop18h 22m
Deal found 8/13![Multiple Airlines logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:58 pm -
1 stop18h 38m
Deal found 8/12![Multiple Airlines logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:58 pm -
1 stop18h 38m
Deal found 8/16![Multiple Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:58 pm -
2 stops15h 04m
Deal found 8/13![Multiple Airlines logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/184:18 pm -
2 stops26h 05m
Deal found 8/14![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/168:58 pm -
2 stops40h 28m
Deal found 8/13![Multiple Airlines logo]()
$130
This Delta deal was found by Cheapflights users on 8/13. 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 9/157:50 pm -
1 stop4h 09m
Deal found 8/13![Delta logo]()
$136
Find flight deals from Birmingham to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Birmingham (BHM) to O'Hare Intl (ORD). 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 August 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $271 (Delta) |
One-way from | $106 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $389 |
Good round-trip deal | $389 or less |
Good one-way deal | $268 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Birmingham to O'Hare Intl 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 August 17, 2026.
Use the filters below to find and compare flights from Birmingham to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BirminghamChicago
BHM Birmingham - ORD Chicago O'Hare Intl
BHMORD
Birmingham
Mon 9/7
7:20 am-9:45 am
Nonstop2h 25m
Chicago O'Hare Intl
Mon 9/14
9:20 pm-11:23 pm
Nonstop2h 03m
$307
BirminghamChicago
BHM Birmingham - ORD Chicago O'Hare Intl
BHMORD
Birmingham
Mon 10/26
5:06 pm-11:52 pm
1 stop6h 46m
Chicago O'Hare Intl
Wed 10/28
10:44 am-4:01 pm
1 stop5h 17m
$327
BirminghamChicago
BHM Birmingham - ORD Chicago O'Hare Intl
BHMORD
Birmingham
Thu 8/27
7:20 am-9:45 am
Nonstop2h 25m
Chicago O'Hare Intl
Mon 8/31
10:25 am-12:32 pm
Nonstop2h 07m
$453
BirminghamChicago
BHM Birmingham - ORD Chicago O'Hare Intl
BHMORD
Birmingham
Wed 8/26
7:20 am-9:45 am
Nonstop2h 25m
Chicago O'Hare Intl
Fri 8/28
10:25 am-12:32 pm
Nonstop2h 07m
$504
BirminghamChicago
BHM Birmingham - ORD Chicago O'Hare Intl
BHMORD
Birmingham
Tue 9/1
6:16 pm-8:40 pm
Nonstop2h 24m
Chicago O'Hare Intl
Sat 9/5
9:30 pm-11:35 pm
Nonstop2h 05m
$515
BirminghamChicago
BHM Birmingham - ORD Chicago O'Hare Intl
BHMORD
Birmingham
Mon 9/21
6:15 pm-8:40 pm
Nonstop2h 25m
Chicago O'Hare Intl
Thu 9/24
11:10 am-1:17 pm
Nonstop2h 07m
$540
BirminghamChicago
BHM Birmingham - ORD Chicago O'Hare Intl
BHMORD
Birmingham
Thu 11/12
9:00 am-8:19 pm
2 stops11h 19m
Chicago O'Hare Intl
Sun 11/15
5:30 am-2:05 pm
1 stop8h 35m
$556
BirminghamChicago
BHM Birmingham - ORD Chicago O'Hare Intl
BHMORD
Birmingham
Thu 8/20
7:20 am-9:45 am
Nonstop2h 25m
Chicago O'Hare Intl
Fri 8/21
9:30 pm-11:35 pm
Nonstop2h 05m
$575
BirminghamChicago
BHM Birmingham - ORD Chicago O'Hare Intl
BHMORD
Birmingham
Thu 8/20
1:07 pm-3:32 pm
Nonstop2h 25m
Chicago O'Hare Intl
Sun 8/23
9:30 pm-11:35 pm
Nonstop2h 05m
$575
Cheapest one-way
BirminghamChicago
BHM Birmingham - ORD Chicago O'Hare Intl
BHMORD
Birmingham
Mon 9/21
6:30 pm-11:59 pm
1 stop5h 29m
$136
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Birmingham to O'Hare Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Birmingham to O'Hare Intl in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Birmingham, Alabama-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Birmingham, Alabama-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Birmingham, Alabama-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Birmingham, Alabama-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Birmingham, Alabama-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Birmingham to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Birmingham with our price prediction graph.
BHM-ORD
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 Birmingham to Chicago O'Hare Intl Airport
Prices
Airlines
How far ahead should I book a flight from Birmingham, Alabama to Chicago O'Hare Intl Airport?
The price you pay for your flight from Birmingham, Alabama to Chicago O'Hare Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 64 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Birmingham, Alabama to Chicago O'Hare Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Birmingham, Alabama to Chicago O'Hare Intl Airport (average of $340). Flying from Birmingham, Alabama to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $480). 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 BHM to ORD?
Find hourly flight availability from Birmingham to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 17, 2026.
It’s optimal to fly from Birmingham, Alabama to Chicago O'Hare Intl Airport in the morning. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the evening.
The best insider tips for Birmingham to Chicago O'Hare Intl Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Birmingham to Chicago O'Hare Intl Airport trip
Our travel experts
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated August 17, 2026.
See what other customers who have flown with United Airlines and American Airlines from Birmingham to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Food
6.7
Overall
7.4
Boarding
7.7
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Food
6.7
Overall
7.4
Boarding
7.7
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Food
6.7
Overall
7.4
Boarding
7.7
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from Birmingham to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Schaumburg
Naperville
Lake Geneva
Oak Brook
Oakbrook Terrace
Delavan
South Holland
Libertyville
Gurnee
Orland Park
Hoffman Estates
Beloit
Rockford
Aurora
Racine
Great Lakes
Janesville
Joliet
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Other flights to O'Hare Intl
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Top 2 airlines flying from Birmingham to O'Hare Intl
Discover the top 2 airlines that operate flights from Birmingham to O'Hare Intl. 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 August 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$269 | Average$415 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$273 | Average$389 | FlexibilityNo cancel fee | On-time71% |