Cheap flights from Alabama to Illinois from $36
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Alabama to Illinois departing on 5/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Alabama to Illinois
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Illinois?
The cheapest month to fly to Illinois from Alabama is in September. Flight prices, which tend to average around $274, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $326.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Alabama to Illinois is on a Thursday when prices can be found for as low as $444. Flights from Alabama to Illinois on a Monday will generally be more expensive and average around $736. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Alabama to Illinois during this time can be as low as $290. Flights at noon are often more expensive with an average ticket price of $1,008.
What is the cheapest Alabama to Illinois flight route?
Fly from Birmingham to Chicago O'Hare Intl for the best Alabama - Illinois flight prices
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from Alabama when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $381 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Alabama for as low as $264 on momondo.
What cabin class options are available on Alabama to Illinois flights?
There are 4 cabin classes available to choose from on Alabama to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Alabama to Illinois?
Spirit Airlines, Frontier, and United Airlines are the most popular carriers operating from Alabama to Illinois
What airlines fly to Illinois?
American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Illinois from Alabama according to our data. American Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
How many flights depart from Alabama to Illinois on average per day?
135 flights are operational daily from Alabama to Illinois as of May 2025. The most popular departure time for this route is 2:00PM, with 60% of flights per day taking off at noon.
How many flights depart from Alabama to Illinois on average per week?
The number of flights available between Alabama and Illinois is 947 per week as of May 2025. The most frequent departure day is Thu, with 21% of weekly flights leaving on this day.
Cheap Alabama to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Alabama to Illinois
When did momondo last update prices for flights from Alabama to Illinois?
Prices for flights from Alabama to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Alabama to Illinois?
As of May 2025, there are 7 operators available to choose from for flights from Alabama to Illinois.
How old do you have to be to fly from Alabama to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Alabama to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Alabama to Illinois?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Alabama to Illinois is Canadair (Bombardier) Regional Jet CRJ-550 (27.54% of total bookings). The next most popular plane models are Canadair (Bombardier) Regional Jet (14.05%), Embraer 170 (13.61%), and Boeing 737-700 Passenger/BBJ1 (winglets) (9.18%).
Best airlines flying from Alabama to Illinois
Compare and see reviews for airlines that fly from Alabama to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $148 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $167 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $185 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $279 | Free Cancellation | Rating 8.0 4,294 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Alabama to Illinois?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Alabama.
Can I find flights from Alabama to Illinois with flexible booking policies on momondo?
Flights from Alabama to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Alabama to Illinois?
Once you have performed a search for Alabama to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Alabama to Illinois right now. Can momondo alert me if prices change?
Price alerts on flights to Illinois from Alabama are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.