How many flights depart from Los Angeles to Illinois on average per day?

As of November 2025, there are 95 flights per day flying from Los Angeles to Illinois. The most common time of day flights depart is 11:00PM, with 49% of flights taking off at noon.

How many flights depart from Los Angeles to Illinois on average per week?

669 flights are operational weekly from Los Angeles to Illinois as of November 2025. The most popular departure day for this route is Thu, with 18% of flights per week taking off on this day.

What is the cheapest airline that flies from Los Angeles to Illinois?

Frontier, Spirit Airlines, 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 45% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 8 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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 November 2025, there are 8 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.

$79 Cheap Flights from Los Angeles to Illinois in 2025/26

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Cheap round-trip flights

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1:48 pm - 8:45 pmLAX-MDW

28h 57m1 stop

6:00 am - 12:30 amMDW-LAX

20h 30m2 stops

$158Frontier

Find Deal

Thu, Jan 8 - Thu, Jan 22

4:42 pm - 11:00 pmLAX-ORD

4h 18mnonstop

6:50 am - 9:29 amORD-LAX

4h 39mnonstop

$158Frontier

Find Deal

Sat, Nov 15 - Thu, Dec 4

12:25 am - 6:19 amLAX-ORD

3h 54mnonstop

7:10 am - 9:50 amORD-LAX

4h 40mnonstop

$159United Airlines

Find Deal

Tue, Dec 9 - Sun, Dec 14

11:15 pm - 5:15 amLAX-MDW

4h 00mnonstop

8:55 pm - 11:25 pmMDW-LAX

4h 30mnonstop

$159Southwest

Find Deal

Sat, Dec 6 - Mon, Dec 8

12:19 am - 6:25 amLAX-ORD

4h 06mnonstop

8:18 pm - 10:57 pmORD-LAX

4h 39mnonstop

$160Spirit Airlines

Find Deal

Wed, Nov 19 - Mon, Nov 24

11:59 pm - 6:05 amLAX-ORD

4h 06mnonstop

7:44 pm - 10:29 pmORD-LAX

4h 45mnonstop

$161Spirit Airlines

Find Deal

Thu, Dec 25 - Tue, Dec 30

12:25 am - 6:19 amLAX-ORD

3h 54mnonstop

10:38 am - 1:17 pmORD-LAX

4h 39mnonstop

$169United Airlines

Find Deal

Wed, Dec 3 - Mon, Dec 8

11:00 pm - 5:00 amLAX-MDW

4h 00mnonstop

9:45 pm - 12:10 amMDW-LAX

4h 25mnonstop

$169Southwest

Find Deal

Wed, Dec 3 - Sun, Dec 7

12:45 am - 6:46 amLAX-ORD

4h 01mnonstop

6:00 am - 8:34 amORD-LAX

4h 34mnonstop

$186American Airlines

Find Deal

Wed, Dec 3 - Sun, Dec 7

12:45 am - 6:46 amLAX-ORD

4h 01mnonstop

10:10 pm - 12:50 amORD-LAX

4h 40mnonstop

$195American Airlines

Find Deal

Wed, Dec 3 - Thu, Dec 11

American Airlines flights from Los Angeles to Illinois

Our best American Airlines deals on Los Angeles to Illinois flight tickets

American Airlines

Dec 3

LAX12:45 amLos Angeles

4h 01m

ORD6:46 amChicago O'Hare Intl

Dec 7

ORD6:00 amChicago O'Hare Intl

4h 34m

LAX8:34 amLos Angeles

$186

Find similar

American Airlines

Dec 3

LAX12:45 amLos Angeles

4h 01m

ORD6:46 amChicago O'Hare Intl

Dec 11

ORD10:10 pmChicago O'Hare Intl

4h 40m

LAX12:50 amLos Angeles

$195

Find similar

American Airlines

Dec 3

LAX1:11 pmLos Angeles

7h 48m

2 stops

PIA10:59 pmGreater Peoria

Dec 18

PIA10:43 amGreater Peoria

7h 03m

1 stop

LAX3:46 pmLos Angeles

$294

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Spirit Airlines flights from Los Angeles to Illinois

Our best Spirit Airlines deals on Los Angeles to Illinois flight tickets

Spirit Airlines

Nov 19

LAX12:19 amLos Angeles

4h 06m

ORD6:25 amChicago O'Hare Intl

Nov 24

ORD8:18 pmChicago O'Hare Intl

4h 39m

LAX10:57 pmLos Angeles

$160

Find similar

Spirit Airlines

Dec 25

LAX11:59 pmLos Angeles

4h 06m

ORD6:05 amChicago O'Hare Intl

Dec 30

ORD7:44 pmChicago O'Hare Intl

4h 45m

LAX10:29 pmLos Angeles

$161

Find similar

Spirit Airlines

Nov 12

LAX12:59 amLos Angeles

11h 52m

1 stop

ORD2:51 pmChicago O'Hare Intl

Nov 27

ORD6:06 pmChicago O'Hare Intl

4h 36m

LAX8:42 pmLos Angeles

$164

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesChicago

LAX - MDW

LAXMDW

Los Angeles

Thu 1/8

1:48 pm-8:45 pm

1 stop28h 57m

Chicago Midway

Thu 1/22

6:00 am-12:30 am

2 stops20h 30m

$158

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Sat 11/15

4:42 pm-11:00 pm

Nonstop4h 18m

Chicago O'Hare Intl

Thu 12/4

6:50 am-9:29 am

Nonstop4h 39m

$158

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Tue 12/9

12:25 am-6:19 am

Nonstop3h 54m

Chicago O'Hare Intl

Sun 12/14

7:10 am-9:50 am

Nonstop4h 40m

$159

Los AngelesChicago

LAX - MDW

LAXMDW

Los Angeles

Sat 12/6

11:15 pm-5:15 am

Nonstop4h 00m

Chicago Midway

Mon 12/8

8:55 pm-11:25 pm

Nonstop4h 30m

$159

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Wed 11/19

12:19 am-6:25 am

Nonstop4h 06m

Chicago O'Hare Intl

Mon 11/24

8:18 pm-10:57 pm

Nonstop4h 39m

$160

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Thu 12/25

11:59 pm-6:05 am

Nonstop4h 06m

Chicago O'Hare Intl

Tue 12/30

7:44 pm-10:29 pm

Nonstop4h 45m

$161

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Wed 12/3

12:25 am-6:19 am

Nonstop3h 54m

Chicago O'Hare Intl

Mon 12/8

10:38 am-1:17 pm

Nonstop4h 39m

$169

Los AngelesChicago

LAX - MDW

LAXMDW

Los Angeles

Wed 12/3

11:00 pm-5:00 am

Nonstop4h 00m

Chicago Midway

Sun 12/7

9:45 pm-12:10 am

Nonstop4h 25m

$169

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Wed 12/3

12:45 am-6:46 am

Nonstop4h 01m

Chicago O'Hare Intl

Sun 12/7

6:00 am-8:34 am

Nonstop4h 34m

$186

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Wed 12/3

12:45 am-6:46 am

Nonstop4h 01m

Chicago O'Hare Intl

Thu 12/11

10:10 pm-12:50 am

Nonstop4h 40m

$195

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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

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Los Angeles is in September. Flight prices, which tend to average around $242, 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 February is also cheap. Prices for this month can be found on momondo for an average of $248.

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 Thursday when prices can be found for as low as $358. Flights from Los Angeles to Illinois on a Sunday will generally be more expensive and average around $453. 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 $276. Flights at noon are often more expensive with an average ticket price of $459.

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 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $298 when searching 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 $256 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.

Can stopping save me money on Los Angeles to Illinois flights?

No. A direct flight is the cheapest option for a flight between Los Angeles to Illinois.

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

Best Price Found	$133
Fastest flight time	3h 25m
Direct flights	Every day
Airports in Illinois	1 airport

The best one-way flight to Illinois from Los Angeles in the past 72 hours is $133. The best round-trip flight deal from Los Angeles to Illinois found on momondo in the last 72 hours is $273.

The fastest flight from Los Angeles to Illinois takes 3h 25m

Direct flights go from Los Angeles to Illinois every day.

There is 1 airport near Illinois: Lambert-St Louis (STL)

Search flight deals

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 November 2025, there are 8 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 17.87% of all bookings. The subsequent popular models are Boeing 737-800 at 14.08%, Boeing 757-300 at 10.20%, and Airbus A320 (sharklets) at 7.57%.

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
Frontier	PriceFrom $89	Free Cancellation	Rating 5.8 3,116 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $104	Free Cancellation	Rating 6.3 8,115 reviews	Search Spirit Airlines flights
Sun Country Air	PriceFrom $130	Free Cancellation	Rating 6.9 335 reviews	Search Sun Country Air flights
Southwest	PriceFrom $179	Free Cancellation	Rating 8.0 4,240 reviews	Search Southwest flights
American Airlines	PriceFrom $200	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
United Airlines	PriceFrom $206	Free Cancellation	Rating 7.4 9,003 reviews	Search United Airlines flights
Delta	PriceFrom $218	Free Cancellation	Rating 7.9 8,001 reviews	Search Delta flights
Alaska Airlines	PriceFrom $221	Free Cancellation	Rating 8.0 11,242 reviews	Search Alaska Airlines flights

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.

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Illinois

Popular cities in Illinois

Flights to New Yorkfrom $49

Flights to Los Angelesfrom $49

Flights to Miamifrom $49

Flights to Chicagofrom $58

Flights to Orlandofrom $49

Flights to Las Vegasfrom $42

Flights to San Franciscofrom $57

Flights to Washington, D.C.from $54

Flights to Bostonfrom $49

Flights to Atlantafrom $49

Flights to Dallasfrom $58

Flights to Seattlefrom $72

Cheap flights from Los Angeles to Illinois from $83

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 12/1. 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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Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Find the cheapest flights from Los Angeles to Illinois

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American Airlines flights from Los Angeles to Illinois

Our best American Airlines deals on Los Angeles to Illinois flight tickets

Spirit Airlines flights from Los Angeles to Illinois

Our best Spirit Airlines deals on Los Angeles to Illinois flight tickets

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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?

What is the cheapest day to depart on your flight to Illinois?

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 $276. Flights at noon are often more expensive with an average ticket price of $459.

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?

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.

Can stopping save me money on Los Angeles to Illinois flights?

No. A direct flight is the cheapest option for a flight between Los Angeles to Illinois.

What is the cheapest airline that flies from Los Angeles to Illinois?

Frontier, Spirit Airlines, and Southwest are the most popular carriers operating from Los Angeles to Illinois

What airlines fly to Illinois?

How many flights depart from Los Angeles to Illinois on average per day?

As of November 2025, there are 95 flights per day flying from Los Angeles to Illinois. The most common time of day flights depart is 11:00PM, with 49% of flights taking off at noon.

How many flights depart from Los Angeles to Illinois on average per week?

669 flights are operational weekly from Los Angeles to Illinois as of November 2025. The most popular departure day for this route is Thu, with 18% 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

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

When did momondo last update prices for flights from Los Angeles Airport to Illinois?

How many operators does momondo search for flights from Los Angeles Airport to Illinois?

How old do you have to be to fly from Los Angeles Airport to Illinois?

What documentation or ID do you need to fly to Illinois?

What is the most popular plane model from Los Angeles to Illinois?

Best airlines flying from Los Angeles to Illinois

Compare and see reviews for airlines that fly from Los Angeles to Illinois with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Los Angeles to Illinois?

Can I find flights from Los Angeles to Illinois with flexible booking policies on momondo?

How can momondo help me find flights from Los Angeles to Illinois?

I’m not ready to book a flight from Los Angeles to Illinois right now. Can momondo alert me if prices change?

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo