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$85+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LAX
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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.
Sat 11/89:22 pmORD - LAX
Nonstop4h 37mSpirit Airlines
Sat 11/151:20 amLAX - ORD
Nonstop4h 08mSpirit Airlines
Deal found 10/30$153
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/138:12 pmORD - LAX
Nonstop4h 43mUnited Airlines
Sat 12/1312:25 amLAX - ORD
Nonstop3h 54mUnited Airlines
Deal found 10/30$154
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/129:22 pmORD - LAX
Nonstop4h 37mSpirit Airlines
Sun 11/1611:59 pmLAX - ORD
1 stop7h 32mSpirit Airlines
Deal found 10/28$155
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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.
Thu 11/132:31 pmORD - LAX
1 stop12h 12mSpirit Airlines
Sun 11/161:20 amLAX - ORD
Nonstop4h 08mSpirit Airlines
Deal found 10/30$156
This CheapOair deal was found by Cheapflights users on 10/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/69:22 pmORD - LAX
Nonstop4h 37mSpirit Airlines
Wed 11/1912:19 amLAX - ORD
Nonstop4h 06mSpirit Airlines
Deal found 10/27$157
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Tue 12/236:14 amMDW - LAX
2 stops32h 02mFrontier
Wed 12/318:37 amLAX - MDW
1 stop11h 35mFrontier
Deal found 10/28$158
This Priceline deal was found by Cheapflights users on 10/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:30 amORD - LAX
Nonstop4h 26mFrontier
Sat 11/154:42 pmLAX - ORD
Nonstop4h 18mFrontier
Deal found 10/28$158
This Southwest deal was found by Cheapflights users on 10/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/129:45 pmMDW - LAX
Nonstop4h 25mSouthwest
Mon 12/1511:00 pmLAX - MDW
Nonstop4h 00mSouthwest
Deal found 10/28$159
This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:00 pmORD - LAX
Nonstop4h 30mUnited Airlines
Sat 12/612:25 amLAX - ORD
Nonstop3h 54mUnited Airlines
Deal found 10/27$159
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:00 amORD - LAX
Nonstop4h 34mAmerican Airlines
Sat 12/137:00 amLAX - ORD
Nonstop4h 19mAmerican Airlines
Deal found 10/30$160
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:00 amMDW - LAX
1 stop8h 45mMultiple Airlines
Wed 11/1911:59 pmLAX - MDW
1 stop9h 31mMultiple Airlines
Deal found 10/29$161
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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.
Thu 11/132:31 pmORD - LAX
1 stop12h 12mSpirit Airlines
Tue 11/1812:59 amLAX - ORD
1 stop11h 52mSpirit Airlines
Deal found 10/30$161

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 October 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$153
(Cheapflightsfares)

One-way from

$85
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$269

Good round-trip deal

$252 or less

Good one-way deal

$138 or less
Provider with most accurate pricing for Chicago (CHI)-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Los Angeles flights.
Search Deals
From Illinois to Los Angeles
Search Deals
One-way flight from Illinois to Los Angeles
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Los Angeles.
Search Deals
Price to beat on a one-way flight from Illinois to 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 October 30, 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

Fri 12/12

9:45 pm-12:10 am

Nonstop4h 25m

Los Angeles

Mon 12/15

11:00 pm-5:00 am

Nonstop4h 00m

$159

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

Fri 12/5

1:00 pm-3:30 pm

Nonstop4h 30m

Los Angeles

Sat 12/6

12:25 am-6:19 am

Nonstop3h 54m

$159

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

Fri 12/5

1:00 pm-3:30 pm

Nonstop4h 30m

Los Angeles

Thu 12/11

12:25 am-6:19 am

Nonstop3h 54m

$159

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

Wed 12/3

8:12 pm-10:55 pm

Nonstop4h 43m

Los Angeles

Wed 12/10

4:52 pm-10:59 pm

Nonstop4h 07m

$159

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

Sat 12/6

3:46 pm-6:21 pm

Nonstop4h 35m

Los Angeles

Mon 12/8

12:25 am-6:19 am

Nonstop3h 54m

$159

ChicagoLos Angeles

MDW - LAX

MDWLAX

Chicago Midway

Wed 12/3

5:29 pm-12:54 am

1 stop9h 25m

Los Angeles

Fri 12/12

11:40 pm-9:19 am

1 stop7h 39m

$217

ChicagoLos Angeles

MDW - LAX

MDWLAX

Chicago Midway

Wed 12/3

6:00 am-12:31 pm

1 stop8h 31m

Los Angeles

Sun 12/14

2:15 pm-11:47 pm

1 stop7h 32m

$217

ChicagoLos Angeles

MDW - LAX

MDWLAX

Chicago Midway

Fri 12/5

5:13 pm-11:25 pm

1 stop8h 12m

Los Angeles

Fri 12/12

11:40 pm-9:19 am

1 stop7h 39m

$217

ChicagoLos Angeles

MDW - LAX

MDWLAX

Chicago Midway

Sat 12/6

7:50 pm-10:20 pm

Nonstop4h 30m

Los Angeles

Mon 12/8

6:00 am-12:05 pm

Nonstop4h 05m

$219

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

Thu 11/27

1:00 pm-3:30 pm

Nonstop4h 30m

Los Angeles

Wed 12/3

12:25 am-6:19 am

Nonstop3h 54m

$224

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

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, September is the cheapest month in which you can book a flight from Illinois to Los Angeles (average of $80). Flying from Illinois to Los Angeles in December is currently the most expensive (average of $151). 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 October 30, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 34% on flights from Illinois to Los Angeles by exploring options for tickets in the evening.

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 December 16, 2024.

Travelers seeking maximum savings on their Illinois to Los Angeles flight should consider departing on Wednesday mornings 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 (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 25m. Your travel time can differ by up to 5h. 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 ($90), United Airlines ($100), and Delta ($109).

  • 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: Air China (85%), Spirit Airlines (85%), Air New Zealand( 84%).

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

    The cheapest flight price from Illinois to Los Angeles is $79. On average you can expect to pay $893. The most popular route, (Chicago O'Hare Intl - Los Angeles), can usually be booked for $79.

  • 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 $80). Flying from Illinois to Los Angeles in December is currently the most expensive (average of $151). 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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Torrance
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Glendale
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West Hollywood
Compton
Menifee
San Gabriel

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$79Average$235FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$99Average$217FlexibilityNo cancel feeOn-time65%
DeltaCheapest$144Average$335FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$147Average$326FlexibilityNo cancel feeOn-time83%
Alaska AirlinesCheapest$167Average$384FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$189Average$466FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$190Average$442FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$204Average$420FlexibilityNo cancel feeOn-time63%

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