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$71+ 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LAX
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheap 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 septiembre 16, 2025.

Round-trip from

$130
(eDestinos)

One-way from

$71
(Expedia)

Popular in

December

Cheapest in

January

Average price

$250

Good round-trip deal

$210 or less

Good one-way deal

$116 or less
From Illinois to Los Angeles
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One-way flight from Illinois to Los Angeles
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Highest demand for flights based on searches. 9% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Illinois to Los Angeles.
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Price to beat on a one-way flight from Illinois to Los Angeles.
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Find 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 septiembre 16, 2025.

This eDestinos deal was found by Cheapflights users on 9/14. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/47:00 amORD - LAX
Nonstop4h 29mFrontier
mar. 10/76:45 amLAX - ORD
1 stop15h 08mFrontier
Deal found 9/14$130
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
jue. 10/210:42 amORD - LAX
1 stop8h 36mMultiple Airlines
mié. 10/89:22 amLAX - ORD
1 stop9h 26mMultiple Airlines
Deal found 9/13$132
This CheapOair deal was found by Cheapflights users on 9/14. 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.
lun. 9/299:00 amORD - LAX
1 stop6h 33mSpirit Airlines
sáb. 10/412:05 pmLAX - ORD
Nonstop4h 09mSpirit Airlines
Deal found 9/14$133
This eDestinos deal was found by Cheapflights users on 9/14. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/36:00 amORD - LAX
1 stop16h 08mFrontier
lun. 10/69:03 pmLAX - ORD
1 stop24h 50mFrontier
Deal found 9/14$135
This eDestinos deal was found by Cheapflights users on 9/13. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/139:54 pmORD - LAX
1 stop23h 59mFrontier
lun. 10/209:17 pmLAX - ORD
1 stop24h 36mFrontier
Deal found 9/13$140
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
sáb. 9/277:00 amORD - LAX
Nonstop4h 29mMultiple Airlines
sáb. 10/412:05 pmLAX - ORD
Nonstop4h 09mMultiple Airlines
Deal found 9/14$141
This eDestinos deal was found by Cheapflights users on 9/14. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/36:30 amORD - LAX
Nonstop4h 29mFrontier
dom. 10/52:03 pmLAX - ORD
1 stop17h 34mFrontier
Deal found 9/14$143
This Frontier deal was found by Cheapflights users on 9/14. 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.
dom. 9/216:30 amORD - LAX
Nonstop4h 29mFrontier
sáb. 9/274:51 pmLAX - ORD
Nonstop4h 22mFrontier
Deal found 9/14$144
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/256:30 amORD - LAX
Nonstop4h 29mFrontier
sáb. 10/44:51 pmLAX - ORD
Nonstop4h 22mFrontier
Deal found 9/14$146
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
sáb. 10/48:25 amORD - LAX
1 stop11h 05mMultiple Airlines
mié. 10/89:22 amLAX - ORD
1 stop9h 26mMultiple Airlines
Deal found 9/15$147
This CheapOair deal was found by Cheapflights users on 9/14. 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.
jue. 10/236:24 pmMDW - LAX
1 stop15h 11mFrontier
dom. 10/266:44 amLAX - MDW
1 stop15h 52mFrontier
Deal found 9/14$157
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/3012:30 pmMDW - LAX
1 stop21h 35mFrontier
dom. 11/25:44 amLAX - MDW
1 stop26h 46mFrontier
Deal found 9/14$158

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 septiembre 16, 2025.
Use the filters below to find and compare flights from Illinois to Los Angeles that are best for you.

Fly from

Illinois

Fly to

Los Angeles

Route

Depart

Return

Price

ChicagoLos Angeles

MDW - LAX

MDWLAX

Chicago Midway

sáb. 11/1

8:25 pm-10:55 pm

Nonstop4h 30m

Los Angeles

sáb. 11/8

11:15 pm-5:15 am

Nonstop4h 00m

$197

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

mié. 10/15

8:05 pm-10:40 pm

Nonstop4h 35m

Los Angeles

sáb. 10/18

5:00 pm-11:15 pm

Nonstop4h 15m

$197

ChicagoLos Angeles

MDW - LAX

MDWLAX

Chicago Midway

mié. 11/12

8:55 pm-11:25 pm

Nonstop4h 30m

Los Angeles

sáb. 11/15

11:15 pm-5:15 am

Nonstop4h 00m

$197

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

sáb. 10/11

1:05 pm-3:34 pm

Nonstop4h 29m

Los Angeles

mié. 10/15

12:34 pm-6:52 pm

Nonstop4h 18m

$208

ChicagoLos Angeles

MDW - LAX

MDWLAX

Chicago Midway

vie. 10/24

9:25 pm-11:55 pm

Nonstop4h 30m

Los Angeles

mar. 10/28

11:00 pm-5:00 am

Nonstop4h 00m

$215

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

mié. 10/15

4:40 pm-7:08 pm

Nonstop4h 28m

Los Angeles

lun. 10/20

5:00 pm-11:15 pm

Nonstop4h 15m

$215

ChicagoLos Angeles

MDW - LAX

MDWLAX

Chicago Midway

mié. 11/5

8:55 pm-11:25 pm

Nonstop4h 30m

Los Angeles

lun. 11/10

11:15 pm-5:15 am

Nonstop4h 00m

$215

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

vie. 10/17

2:35 pm-5:03 pm

Nonstop4h 28m

Los Angeles

mié. 10/22

8:25 am-2:45 pm

Nonstop4h 20m

$215

ChicagoLos Angeles

MDW - LAX

MDWLAX

Chicago Midway

mié. 11/5

9:20 am-3:00 pm

1 stop7h 40m

Los Angeles

mié. 11/12

2:17 pm-11:32 pm

1 stop7h 15m

$217

ChicagoLos Angeles

MDW - LAX

MDWLAX

Chicago Midway

sáb. 11/8

9:20 am-3:00 pm

1 stop7h 40m

Los Angeles

mié. 11/12

9:51 am-6:08 pm

1 stop6h 17m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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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, January is the cheapest month in which you can book a flight from Illinois to Los Angeles (average of $246). Flying from Illinois to Los Angeles in March is currently the most expensive (average of $325). 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 septiembre 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Los Angeles as you normally would.

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 septiembre 16, 2025.

The most flights from USIL to LAX are scheduled on a Monday (123 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (81 on average).

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 (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 30m. Your travel time can differ by up to 3h 10m. The distance between Illinois and Los Angeles is about 1746 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 Southwest ($99), United Airlines ($99), and Spirit Airlines ($100).

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

    Most travelers choose Chicago O'Hare Intl - Los Angeles, Chicago Midway - Los Angeles or Lambert-St Louis - 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: Spirit Airlines (83%), Air China (80%), Air Canada( 78%).

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

    The cheapest flight price from Illinois to Los Angeles is $55. On average you can expect to pay $863. The most popular route, (Chicago O'Hare Intl - Los Angeles), can usually be booked for $141.

  • 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, January is the cheapest month in which you can book a flight from Illinois to Los Angeles (average of $246). Flying from Illinois to Los Angeles in March is currently the most expensive (average of $325). 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
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Rowland Heights
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Alternative routes for Illinois to Los Angeles

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Top 8 airlines flying from Illinois to Los Angeles

Discover the top 8 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 septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$78Average$231FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$98Average$216FlexibilityNo cancel feeOn-time65%
DeltaCheapest$144Average$328FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$147Average$326FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$152Average$421FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$167Average$384FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$189Average$451FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$189Average$458FlexibilityNo cancel feeOn-time69%

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