HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Los Angeles

$132+ Cheap flights from Illinois to Los Angeles (LAX)

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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LAX
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Los Angeles 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.

Cheap flight deals from Illinois to Los Angeles

Cheapest flights from Illinois to Los Angeles
Explore the most affordable flight options available from Illinois to Los Angeles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.

This Super.com deal was found by Cheapflights users on 7/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/229:20 pm
ORD
-
LAX
Nonstop4h 44m
Frontier
Tue 8/2511:59 pm
LAX
-
ORD
Nonstop4h 18m
Frontier
Deal found 7/26$197
This Frontier deal was found by Cheapflights users on 7/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:20 pm
ORD
-
LAX
Nonstop4h 44m
Frontier
Tue 8/2511:59 pm
LAX
-
ORD
Nonstop4h 18m
Frontier
Deal found 7/25$198
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 9/146:30 am
ORD
-
LAX
1 stop10h 09m
Frontier
Wed 9/236:05 am
LAX
-
ORD
1 stop16h 18m
Frontier
Deal found 7/28$199
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Wed 9/236:30 am
ORD
-
LAX
1 stop9h 44m
Frontier
Thu 10/111:36 am
LAX
-
ORD
1 stop10h 47m
Frontier
Deal found 7/27$200
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Thu 8/202:41 pm
ORD
-
LAX
1 stop11h 30m
Frontier
Mon 8/249:09 pm
LAX
-
ORD
1 stop14h 27m
Frontier
Deal found 7/24$201
This CheapOair deal was found by Cheapflights users on 7/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:20 pm
ORD
-
LAX
Nonstop4h 44m
Frontier
Tue 9/811:59 pm
LAX
-
ORD
Nonstop4h 18m
Frontier
Deal found 7/29$202
This Frontier deal was found by Cheapflights users on 7/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:20 pm
ORD
-
LAX
Nonstop4h 44m
Frontier
Wed 9/911:50 pm
LAX
-
ORD
1 stop7h 30m
Frontier
Deal found 7/29$204
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Thu 8/272:41 pm
ORD
-
LAX
1 stop11h 30m
Frontier
Sat 8/2911:41 pm
LAX
-
ORD
Nonstop4h 18m
Frontier
Deal found 7/27$205
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Sat 8/222:41 pm
ORD
-
LAX
1 stop11h 30m
Frontier
Sat 8/2911:41 pm
LAX
-
ORD
Nonstop4h 18m
Frontier
Deal found 7/25$206
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Tue 9/18:45 am
ORD
-
LAX
2 stops15h 54m
Frontier
Sat 9/511:41 pm
LAX
-
ORD
Nonstop4h 18m
Frontier
Deal found 7/24$207
This Super.com deal was found by Cheapflights users on 7/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:20 pm
ORD
-
LAX
Nonstop4h 44m
Frontier
Tue 8/2511:59 pm
LAX
-
ORD
Nonstop4h 18m
Frontier
Deal found 7/25$208
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:05 am
MDW
-
LAX
1 stop12h 49m
Frontier
Sat 9/511:34 pm
LAX
-
MDW
1 stop9h 21m
Frontier
Deal found 7/26$240

Find flight deals from Illinois to Los Angeles

Keep the following information in mind while searching for Illinois to Los Angeles flight deals. Data was last updated July 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$197
(Super.com)

One-way from

$132
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$359

Good round-trip deal

$309 or less

Good one-way deal

$186 or less
Provider with most accurate pricing for Chicago (CHI)-Los Angeles Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Los Angeles Los Angeles flights.
Search Deals
From Illinois to Los Angeles Los Angeles
Search Deals
One-way flight from Illinois to Los Angeles Los Angeles
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Los Angeles Los Angeles.
Search Deals
Price to beat on a one-way flight from Illinois to Los Angeles Los Angeles.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Los Angeles 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 July 29, 2026.
Use the filters below to find and compare flights from Illinois to Los Angeles that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoLos Angeles

MDW - LAX

MDWLAX

Chicago Midway

Fri 9/11

7:00 am-9:15 am

Nonstop4h 15m

Los Angeles Los Angeles

Mon 9/14

11:55 pm-5:55 am

Nonstop4h 00m

$247

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

Tue 10/20

6:06 pm-8:39 pm

Nonstop4h 33m

Los Angeles Los Angeles

Tue 10/27

12:40 pm-6:56 pm

Nonstop4h 16m

$247

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

Fri 10/23

7:16 am-9:50 am

Nonstop4h 34m

Los Angeles Los Angeles

Mon 10/26

7:35 am-1:38 pm

Nonstop4h 03m

$247

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

Wed 9/9

7:40 pm-10:10 pm

Nonstop4h 30m

Los Angeles Los Angeles

Wed 9/23

7:40 am-1:44 pm

Nonstop4h 04m

$247

ChicagoLos Angeles

MDW - LAX

MDWLAX

Chicago Midway

Wed 9/2

9:25 am-1:05 pm

1 stop5h 40m

Los Angeles Los Angeles

Tue 9/8

11:55 pm-5:55 am

Nonstop4h 00m

$253

ChicagoLos Angeles

MDW - LAX

MDWLAX

Chicago Midway

Tue 10/27

7:25 am-11:15 am

1 stop5h 50m

Los Angeles Los Angeles

Fri 10/30

4:00 pm-9:50 pm

Nonstop3h 50m

$257

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

Sun 9/27

6:59 pm-9:34 pm

Nonstop4h 35m

Los Angeles Los Angeles

Sat 10/3

6:28 am-4:59 pm

1 stop8h 31m

$257

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

Tue 9/29

6:59 pm-9:34 pm

Nonstop4h 35m

Los Angeles Los Angeles

Sat 10/3

7:05 am-6:00 pm

1 stop8h 55m

$257

ChicagoLos Angeles

MDW - LAX

MDWLAX

Chicago Midway

Wed 9/9

10:30 am-4:20 pm

1 stop7h 50m

Los Angeles Los Angeles

Wed 9/16

9:05 am-5:25 pm

1 stop6h 20m

$267

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

Sat 10/3

2:00 pm-10:10 pm

1 stop10h 10m

Los Angeles Los Angeles

Sat 10/10

2:00 pm-11:54 pm

1 stop7h 54m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Illinois to Los Angeles

Have a flexible travel schedule? Discover the best time to fly to Los Angeles from Illinois with our price prediction graph.
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 Illinois to Los Angeles

What is the cheapest month to book a flight from Illinois to Los Angeles?

Currently, September is the cheapest month in which you can book a flight from Illinois to Los Angeles (average of $249). Flying from Illinois to Los Angeles in June is currently the most expensive (average of $424). 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 IL to LAX?

Find hourly flight availability from Illinois to Los Angeles. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 39% on flights from Illinois to Los Angeles by exploring options for tickets in the evening.

Weekly flight availability from Illinois to Los Angeles

Explore weekly flight availability from Illinois to Los Angeles. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 29, 2026.

The most flights from USIL to LAX are scheduled on a Monday (140 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (74 on average).

How much does it cost to fly round-trip from Illinois to Los Angeles?

Airfare is typical for this route at the moment.
Illinois to Los Angeles flights typically cost between $180 and $349 in August.
The cheapest round-trip price found within the last 5 days was $197 on Frontier (Aug 22-Aug 25).

How far ahead should I book a flight from Illinois to Los Angeles?

The price you pay for your flight from Illinois to Los Angeles may vary depending on when you book. For the best chance of a lower fare, look to book 42 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest day to fly from Illinois to Los Angeles?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Los Angeles. Price data was last updated on July 25, 2026.

Travelers seeking maximum savings on their Illinois to Los Angeles flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Los Angeles. 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 into for flights to Los Angeles from Illinois?

    If you book a flight to Los Angeles from Illinois, you will be flying to Los Angeles, which is the city’s only airport. Los Angeles Los Angeles (LAX) is located 9.4 mi from the center of Los Angeles.

  • How long is the flight from Illinois to Los Angeles?

    Southwest, United Airlines, and Delta can get you from Illinois to Los Angeles in just under 4h 15m. Your travel time will be generally consistent. The distance between Illinois and Los Angeles is about 1746 mi. Most flights are nonstop.

  • What are the cheapest airlines to fly from Illinois to Los Angeles one-way?

    The cheapest airlines for a one-way flight from Illinois to Los Angeles are Frontier ($50), Southwest ($95), and United Airlines ($97).

  • What are the most popular routes from Illinois to Los Angeles?

    Most travelers choose Chicago O'Hare Intl - Los Angeles Los Angeles, Chicago Midway - Los Angeles Los Angeles or Lambert-St Louis - Los Angeles Los Angeles when deciding on the best route from Illinois to Los Angeles.

  • What are the most reliable airlines from Illinois to Los Angeles?

    Before booking your flight to Los Angeles from Illinois, check out the most reliable airlines to get you to your destination on time: Air China (79%), ANA (77%), Virgin Australia( 76%).

  • What are the cheapest flights from Illinois to Los Angeles?

    The cheapest flight price from Illinois to Los Angeles is $120. On average you can expect to pay $1,128. The most popular route, (Chicago O'Hare Intl - Los Angeles Los Angeles), can usually be booked for $177.

  • Can I find deals for flights from Illinois to Los Angeles that include hotel bookings?

    Yes. In addition to deals on Illinois to Los Angeles flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Los Angeles?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Los Angeles.

  • Can I find deals for business class flights from Illinois to Los Angeles?

    Yes. Cheapflights offers flight deals from Illinois to Los Angeles by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Los Angeles?

    Currently, September is the cheapest month in which you can book a flight from Illinois to Los Angeles (average of $249). Flying from Illinois to Los Angeles in June is currently the most expensive (average of $424). 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.

See more FAQs

Traveling to a place near Los Angeles?

Book flights to Los Angeles if you plan to visit one of these locations
Downey
Universal City
Avalon
Buena Park
Redondo Beach
Carson
Oxnard
Oceanside
Inglewood
Stanton
Garden Grove
Rosemead
West Hollywood
Glendale
Pomona
Torrance
Lake Elsinore
Corona
Lancaster
El Segundo

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Los Angeles

See prices for flight routes from nearby airports that may be better suited for you.
Newark to San Francisco flights
John F Kennedy Intl to San Francisco flights
LaGuardia to San Francisco flights
John F Kennedy Intl to Los Angeles flights
Newark to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
Newark to Las Vegas flights
Dallas/Fort Worth to Los Angeles flights
Seattle to Los Angeles flights
Dallas/Fort Worth to Las Vegas flights
Seattle to Las Vegas flights
O'Hare Intl to Las Vegas flights
Stewart to San Francisco flights
LaGuardia to Los Angeles flights
Hobby to Las Vegas flights
Atlanta to Las Vegas flights
San Francisco to Las Vegas flights
Los Angeles to Las Vegas flights
Los Angeles to San Francisco flights
Detroit to Las Vegas flights
John F Kennedy Intl to Ontario flights
Hobby to Los Angeles flights
LaGuardia to Las Vegas flights
Baltimore to Los Angeles flights
Dulles Intl to Las Vegas flights
San Francisco to Los Angeles flights
O'Hare Intl to Los Angeles flights
George Bush Intcntl to Las Vegas flights
Seattle to Ontario flights
Boston to Las Vegas flights
Reagan-National to Los Angeles flights
Santa Ana to Las Vegas flights
Denver to Las Vegas flights
San Francisco to Santa Ana flights
Baltimore to Las Vegas flights
Atlanta to Los Angeles flights
Ontario to San Francisco flights
San Jose to Las Vegas flights
Dallas/Fort Worth to San Francisco flights
Orlando to Las Vegas flights
San Francisco to Ontario flights
George Bush Intcntl to Los Angeles flights
Reagan-National to Las Vegas flights
Boston to San Francisco flights
Newark to San Diego flights
Midway to Las Vegas flights
Boston to Los Angeles flights
Dulles Intl to San Francisco flights
Seattle to San Francisco flights
John F Kennedy Intl to San Diego flights

Top 7 airlines flying from Illinois to Los Angeles

Discover the top 7 airlines that operate flights from Illinois to Los Angeles. 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 July 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$87Average$259FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$183Average$391FlexibilityNo cancel feeOn-time69%
DeltaCheapest$189Average$351FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$199Average$336FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$200Average$453FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$215Average$386FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$436Average$654FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.