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$82+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LAX
Apr 15 — Apr 221
Wed 4/15
Wed 4/22
1 adult, Economy
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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 March 16, 2026.

This Priceline deal was found by Cheapflights users on 3/11. 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.
Tue 4/2110:45 am
ORD
-
LAX
1 stop13h 00m
Multiple Airlines
Sat 4/255:22 pm
LAX
-
ORD
Nonstop4h 05m
Multiple Airlines
Deal found 3/11$160
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Fri 5/12:00 pm
ORD
-
LAX
Nonstop4h 27m
Multiple Airlines
Thu 5/712:31 am
LAX
-
ORD
Nonstop4h 08m
Multiple Airlines
Deal found 3/15$161
This Frontier deal was found by Cheapflights users on 3/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/128:56 pm
ORD
-
LAX
Nonstop4h 40m
Frontier
Tue 5/1912:31 am
LAX
-
ORD
Nonstop4h 08m
Frontier
Deal found 3/15$162
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Tue 4/77:45 pm
ORD
-
LAX
Nonstop4h 45m
Multiple Airlines
Tue 4/285:22 pm
LAX
-
ORD
Nonstop4h 05m
Multiple Airlines
Deal found 3/15$163
This Frontier deal was found by Cheapflights users on 3/16. 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 4/237:21 pm
ORD
-
LAX
Nonstop4h 45m
Frontier
Wed 4/295:11 pm
LAX
-
ORD
1 stop10h 57m
Frontier
Deal found 3/16$164
This Super.com deal was found by Cheapflights users on 3/12. 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 4/187:21 pm
ORD
-
LAX
Nonstop4h 45m
Frontier
Mon 4/2011:36 pm
LAX
-
ORD
Nonstop4h 14m
Frontier
Deal found 3/12$165
This Super.com deal was found by Cheapflights users on 3/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:45 pm
ORD
-
LAX
Nonstop4h 45m
Frontier
Sat 4/1811:36 pm
LAX
-
ORD
Nonstop4h 14m
Frontier
Deal found 3/15$166
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Fri 4/247:21 pm
ORD
-
LAX
Nonstop4h 45m
Frontier
Mon 4/2711:36 pm
LAX
-
ORD
Nonstop4h 14m
Frontier
Deal found 3/15$167
This Frontier deal was found by Cheapflights users on 3/16. 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 4/117:45 pm
ORD
-
LAX
Nonstop4h 45m
Frontier
Sat 4/1811:36 pm
LAX
-
ORD
Nonstop4h 14m
Frontier
Deal found 3/16$168
This CheapOair deal was found by Cheapflights users on 3/16. 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.
Mon 5/45:20 am
ORD
-
LAX
1 stop9h 03m
Frontier
Sun 5/1012:31 am
LAX
-
ORD
Nonstop4h 08m
Frontier
Deal found 3/16$169
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Sun 4/57:45 pm
ORD
-
LAX
Nonstop4h 45m
Frontier
Wed 4/1511:36 pm
LAX
-
ORD
Nonstop4h 14m
Frontier
Deal found 3/15$170
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Tue 5/198:56 pm
ORD
-
LAX
Nonstop4h 40m
Multiple Airlines
Sat 5/2311:35 pm
LAX
-
ORD
Nonstop4h 00m
Multiple Airlines
Deal found 3/15$171

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 March 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$159
(Cheapflightsfares)

One-way from

$82
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$354

Good round-trip deal

$281 or less

Good one-way deal

$125 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. 14% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 16, 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

Tue 4/28

2:40 pm-8:35 pm

1 stop7h 55m

Los Angeles Los Angeles

Tue 5/5

5:15 am-11:15 am

Nonstop4h 00m

$247
Quickest round-trip

ChicagoLos Angeles

MDW - LAX

MDWLAX

Chicago Midway

Sat 4/18

6:00 pm-8:25 pm

Nonstop4h 25m

Los Angeles Los Angeles

Fri 4/24

11:55 pm-5:50 am

Nonstop3h 55m

$257

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

Sat 4/18

7:00 am-2:00 pm

1 stop9h 00m

Los Angeles Los Angeles

Sat 4/25

11:50 am-10:20 pm

2 stops8h 30m

$262

ChicagoLos Angeles

MDW - LAX

MDWLAX

Chicago Midway

Fri 5/15

6:10 pm-8:35 pm

Nonstop4h 25m

Los Angeles Los Angeles

Wed 5/20

11:10 am-8:00 pm

1 stop6h 50m

$267

ChicagoLos Angeles

MDW - LAX

MDWLAX

Chicago Midway

Wed 4/8

8:55 pm-11:20 pm

Nonstop4h 25m

Los Angeles Los Angeles

Wed 4/15

5:15 am-11:15 am

Nonstop4h 00m

$277

ChicagoLos Angeles

MDW - LAX

MDWLAX

Chicago Midway

Sat 4/25

6:45 am-9:10 am

Nonstop4h 25m

Los Angeles Los Angeles

Mon 4/27

11:55 pm-5:50 am

Nonstop3h 55m

$289

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

Mon 5/11

3:45 pm-10:40 pm

1 stop8h 55m

Los Angeles Los Angeles

Mon 5/18

7:25 am-11:55 pm

2 stops14h 30m

$308

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

Thu 4/16

1:36 pm-9:04 pm

1 stop9h 28m

Los Angeles Los Angeles

Mon 4/20

11:20 pm-10:19 am

1 stop8h 59m

$317

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

Wed 4/22

11:55 am-7:45 pm

2 stops9h 50m

Los Angeles Los Angeles

Wed 4/29

10:45 am-10:55 pm

2 stops10h 10m

$319

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

Tue 5/12

10:30 am-4:20 pm

1 stop7h 50m

Los Angeles Los Angeles

Wed 5/20

9:35 am-9:55 pm

2 stops10h 20m

$321

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 60 resultsSorted by cheapest first
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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 March is currently the most expensive (average of $166). 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 March 16, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 33% on flights from Illinois to Los Angeles by exploring options for tickets in the morning.

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 March 14, 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 at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 March 16, 2026.

The most flights from USIL to LAX are scheduled on a Friday (105 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (85 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 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, Delta, and United Airlines can get you from Illinois to Los Angeles in just under 6h 54m. Your travel time can differ by up to 2h 34m. The distance between Illinois and Los Angeles is about 1673 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 Frontier ($49), Spirit Airlines ($56), and United Airlines ($91).

  • 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: Austrian Airlines (88%), Japan Airlines (84%), Aer Lingus( 80%).

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

    The cheapest flight price from Illinois to Los Angeles is $51. On average you can expect to pay $810. The most popular route, (Chicago O'Hare Intl - Los Angeles Los Angeles), can usually be booked for $120.

  • 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 March is currently the most expensive (average of $166). 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
Oceanside
Avalon
Universal City
Inglewood
El Segundo
Torrance
Hesperia
West Hollywood
Carson
Lancaster
Garden Grove
Redondo Beach
Oxnard
Lake Elsinore
Buena Park
Fountain Valley
Glendale
Montebello
Moreno Valley

Browse thousands of different options on Cheapflights for your next trip

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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 March 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$82Average$240FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$101Average$186FlexibilityNo cancel feeOn-time65%
DeltaCheapest$128Average$357FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$139Average$654FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$173Average$386FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$188Average$427FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$199Average$285FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$213Average$359FlexibilityNo cancel feeOn-time63%

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