Cheap flights from Los Angeles to Illinois from $41
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Los Angeles to Illinois departing on 7/8. 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 Los Angeles 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 Los Angeles is in February. Flight prices, which tend to average around $246, 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 February, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $268.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Los Angeles to Illinois is on a Wednesday when prices can be found for as low as $361. Flights from Los Angeles to Illinois on a Sunday will generally be more expensive and average around $475. 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 afternoon. Flights from Los Angeles to Illinois during this time can be as low as $290. Flights at noon are often more expensive with an average ticket price of $446.
What is the cheapest Los Angeles to Illinois flight route?
Fly from Los Angeles to Chicago O'Hare Intl for the best Los Angeles - 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 Los Angeles when booking 7 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $302 when searching 7 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Los Angeles for as low as $249 on momondo.
What cabin class options are available on Los Angeles to Illinois flights?
There are 4 cabin classes available to choose from on Los Angeles 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 Los Angeles to Illinois?
Spirit Airlines, Frontier, and Southwest are the most popular carriers operating from Los Angeles to Illinois
What airlines fly to Illinois?
American Airlines, United Airlines and Spirit Airlines are the top three most popular airlines that fly to Illinois from Los Angeles according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 9 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 Los Angeles to Illinois on average per day?
As of June 2025, there are 125 flights per day flying from Los Angeles to Illinois. The most common time of day flights depart is 8:00AM, with 42% of flights taking off at noon.
How many flights depart from Los Angeles to Illinois on average per week?
880 flights are operational weekly from Los Angeles to Illinois as of June 2025. The most popular departure day for this route is Thu, with 17% of flights per week taking off on this day.
Cheap Los Angeles to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Los Angeles to Illinois
When did momondo last update prices for flights from Los Angeles Airport to Illinois?
Prices for flights from Los Angeles Airport to Illinois are updated daily.
How many operators does momondo search for flights from Los Angeles Airport to Illinois?
As of June 2025, there are 9 operators available to choose from for flights from Los Angeles Airport to Illinois.
How old do you have to be to fly from Los Angeles Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Los Angeles Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Los Angeles to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Los Angeles to Illinois is Airbus A321neo, representing 23.98% of all bookings. The subsequent popular models are Boeing 737-800 at 14.24%, Airbus A320neo at 10.17%, and Boeing 757-300 at 7.93%.
Best airlines flying from Los Angeles to Illinois
Compare and see reviews for airlines that fly from Los Angeles to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $54 | Free Cancellation | Rating 7.3 725 reviews | |||
| PriceFrom $67 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $86 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $130 | Free Cancellation | Rating 6.9 345 reviews | |||
| PriceFrom $157 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $179 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $180 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $221 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $231 | Free Cancellation | Rating 8.0 7,946 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Los Angeles to Illinois?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Los Angeles to Illinois for you.
Can I find flights from Los Angeles to Illinois with flexible booking policies on momondo?
momondo does allow users to show only those flights to Illinois from Los Angeles which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Los Angeles to Illinois?
Once all potential Los Angeles to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Los Angeles to Illinois right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Illinois from Los Angeles. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.