What are the cheapest airlines flying from Birmingham, Alabama to Chicago O'Hare Intl Airport round-trip?

According to our current data, American Airlines ($177), Delta ($189), and United Airlines ($260) offers the cheapest pricing from Birmingham, Alabama to Chicago O'Hare Intl Airport. American Airlines is currently priced 52% below the average price you’ll pay for this route.

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 59 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, August is the cheapest month in which you can book a flight from Birmingham, Alabama to Chicago O'Hare Intl Airport (average of $245). Flying from Birmingham, Alabama to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 day to fly from Birmingham, Alabama to Chicago O'Hare Intl Airport?

Travelers seeking maximum savings on their Birmingham, Alabama to Chicago O'Hare Intl Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Birmingham, Alabama to Chicago O'Hare Intl Airport

The most flights from BHM to ORD are scheduled on a Monday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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).

What are the cheapest flights from Birmingham, Alabama to Chicago O'Hare Intl Airport?

The cheapest flight price from Birmingham, Alabama to Chicago O'Hare Intl Airport is $90. On average you can expect to pay $977. The most popular route, (Birmingham - Chicago O'Hare Intl), can usually be booked for $203.

What are the most reliable airlines from Birmingham, Alabama to Chicago O'Hare Intl Airport?

The top 3 most reliable airlines when flying from Birmingham, Alabama to Chicago O'Hare Intl Airport are PSA Airlines (100%), Republic Airways (92%) and Qatar Airways (84%).

What are the most popular airlines that fly from Birmingham, Alabama to Chicago O'Hare Intl Airport?

Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Birmingham, Alabama to Chicago O'Hare Intl Airport.

What is the cheapest day to fly round-trip from Birmingham, Alabama to Chicago O'Hare Intl Airport?

Saturday flights are found to be more expensive to fly from Birmingham, Alabama to Chicago O'Hare Intl Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Chicago O'Hare Intl Airport.

How far in advance should I book a flight from Birmingham, Alabama to Chicago O'Hare Intl Airport?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 48 days in advance, which can save you up to 313% on flights from Birmingham, Alabama to Chicago O'Hare Intl Airport compared to booking the week you need them. Waiting 48 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $504. For sooner than that we have options available in the next 3 days from $641.

What is the cheapest month to fly from Birmingham, Alabama to Chicago O'Hare Intl Airport?

The best pricing can be found in the month of September. Prices to Chicago O'Hare Intl Airport from Birmingham, Alabama average $358. You can even find prices in September for less than $358, as users have found deals to Chicago O'Hare Intl Airport from as low as $111. The month of March appears to be one of the more expensive times to travel to Chicago O'Hare Intl Airport from Birmingham, Alabama. Flying in the targeted month can save you up to 13%.

What is the cheapest time of day to fly from BHM to ORD?

It’s optimal to fly from Birmingham, Alabama to Chicago O'Hare Intl Airport in the evening. By choosing this option you can save up to 63% on the cost of your flight, compared to a flight at noon.

What airport do you fly from for flights from Birmingham to Chicago O'Hare Intl?

For a flight from Birmingham to Chicago O'Hare Intl, you will be flying from Birmingham. Birmingham (BHM) is just 4.3 mi from the center of the city. Birmingham is the only Birmingham airport and it handles 13 outbound flights to Chicago O'Hare Intl per day. 3 airlines have flights to Chicago O'Hare Intl from Birmingham on a regular basis.

Can I find deals for flights from Birmingham to O'Hare Intl that include hotel bookings?

Yes. In addition to deals on Birmingham to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Birmingham to O'Hare Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Birmingham to O'Hare Intl.

Can I find deals for business class flights from Birmingham to O'Hare Intl?

Yes. Cheapflights offers flight deals from Birmingham to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$91+ Cheap Flights from Birmingham, AL to Chicago O'Hare Intl Airport

Round-trip from	$183 (FlightHub)
One-way from	$91 (FlightHub)
Popular in	April
Cheapest in	August
Average price	$309
Good round-trip deal	$278 or less
Good one-way deal	$214 or less

Qatar Airways limits carry-ons to one item in economy class, unlike the typical 1+1 rule.

Qatar Airways offers extra legroom seats for a fee, typically in exit rows and bulkheads.

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$177	Average$351	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$189	Average$520	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$260	Average$423	FlexibilityNo cancel fee	On-time69%

$91+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Birmingham to Chicago O'Hare Intl are usually found in August or May, booked 59 days in advance, depart on a Thursday or Friday and return on a Saturday

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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 14, 2025.

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 14, 2025.

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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.

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Everything you need to know about your flight from Birmingham to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Birmingham, Alabama to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Birmingham to O'Hare Intl. Price data was last updated on August 8, 2025.

What is the cheapest month to book a flight from Birmingham, Alabama to Chicago O'Hare Intl Airport?

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 14, 2025.

Weekly flight availability from Birmingham, Alabama to Chicago O'Hare Intl Airport

Reviews of airlines servicing O'Hare Intl

See what other customers who have flown with Delta, 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.

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.

What airport do you fly from for flights from Birmingham to Chicago O'Hare Intl?

What are the cheapest airlines flying from Birmingham, Alabama to Chicago O'Hare Intl Airport round-trip?

What are the most reliable airlines from Birmingham, Alabama to Chicago O'Hare Intl Airport?

What are the cheapest flights from Birmingham, Alabama to Chicago O'Hare Intl Airport?

Can I find deals for flights from Birmingham to O'Hare Intl that include hotel bookings?

How can I find direct flights from Birmingham to O'Hare Intl?

Can I find deals for business class flights from Birmingham to O'Hare Intl?

What is the cheapest month to book a flight from Birmingham, Alabama to Chicago O'Hare Intl Airport?

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Cheapest flights from Birmingham to O'Hare Intl
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 14, 2025.