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$80+ Cheap flights from Los Angeles (LAX) to Illinois

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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ORD
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Los Angeles to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Los Angeles (LAX) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Find flight deals from Los Angeles to Illinois

Cheapest flights from Los Angeles to Illinois
Explore the most affordable flight options available from Los Angeles to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This CheapOair deal was found by Cheapflights users on 11/19. 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.
Wed 12/112:45 pmLAX - ORD
1 stop12h 45mSpirit Airlines
Sun 12/159:53 pmORD - LAX
1 stop14h 01mSpirit Airlines
Deal found 11/19$162
This FlightHub deal was found by Cheapflights users on 11/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/106:00 amLAX - ORD
Nonstop4h 05mMultiple Airlines
Sun 1/58:34 pmORD - LAX
1 stop25h 57mMultiple Airlines
Deal found 11/20$167
This KAYAK deal was found by Cheapflights users on 11/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/49:30 pmLAX - MDW
1 stop12h 18mFrontier
Tue 1/148:15 amMDW - LAX
1 stop11h 25mFrontier
Deal found 11/19$168
This KAYAK deal was found by Cheapflights users on 11/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/511:07 amLAX - ORD
1 stop6h 38mFrontier
Mon 1/138:23 pmORD - LAX
1 stop13h 10mFrontier
Deal found 11/19$188
This Kiwi.com deal was found by Cheapflights users on 11/18. 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 12/119:30 pmLAX - STL
1 stop20h 04mFrontier
Wed 12/186:49 pmSTL - LAX
1 stop7h 41mFrontier
Deal found 11/18$193
This Southwest deal was found by Cheapflights users on 11/18. 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.
Thu 12/124:35 pmLAX - MDW
Nonstop3h 55mSouthwest
Sat 1/112:30 pmMDW - LAX
Nonstop4h 40mSouthwest
Deal found 11/18$215
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Tue 12/312:18 amLAX - ORD
Nonstop4h 00mAmerican Airlines
Wed 12/116:50 pmORD - LAX
Nonstop4h 36mAmerican Airlines
Deal found 11/20$224
This Mytrip deal was found by Cheapflights users on 11/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/46:00 pmLAX - RFD
2 stops15h 25mMultiple Airlines
Sun 12/812:45 pmRFD - LAX
1 stop14h 02mMultiple Airlines
Deal found 11/18$249
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1012:30 pmLAX - MDW
1 stop7h 36mDelta
Wed 1/1510:57 amMDW - LAX
1 stop8h 25mDelta
Deal found 11/19$256
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1011:56 pmLAX - ORD
1 stop6h 56mDelta
Thu 1/165:45 amORD - LAX
1 stop9h 05mDelta
Deal found 11/19$256
This Mytrip deal was found by Cheapflights users on 11/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/62:45 pmLAX - STL
2 stops22h 36mMultiple Airlines
Wed 12/1112:15 pmSTL - LAX
3 stops23h 39mMultiple Airlines
Deal found 11/18$283
This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2310:55 pmLAX - MLI
1 stop11h 15mMultiple Airlines
Tue 11/269:17 pmMLI - LAX
1 stop12h 54mMultiple Airlines
Deal found 11/19$312

Find flights from Los Angeles to Illinois within your budget

Customize your flight search to find flights from Los Angeles to Illinois 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Wed 12/11

2:45 pm-5:30 am

1 stop12h 45m

Chicago O'Hare Intl

Sun 12/15

9:53 pm-9:54 am

1 stop14h 01m

$162

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Wed 12/11

12:40 am-6:43 am

Nonstop4h 03m

Chicago O'Hare Intl

Tue 12/24

6:55 am-12:30 am

1 stop19h 35m

$164

Los AngelesChicago

LAX - MDW

LAXMDW

Los Angeles

Sun 2/2

9:30 pm-11:44 am

1 stop12h 14m

Chicago Midway

Tue 2/18

7:05 am-1:35 pm

1 stop8h 30m

$166

Los AngelesChicago

LAX - MDW

LAXMDW

Los Angeles

Tue 1/28

8:30 am-2:35 pm

Nonstop4h 05m

Chicago Midway

Sat 2/1

7:25 pm-10:05 pm

Nonstop4h 40m

$170

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Fri 2/28

6:30 am-9:16 am

1 stop24h 46m

Lambert-St Louis

Mon 3/3

6:53 pm-1:35 pm

1 stop20h 42m

$186

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Thu 12/5

11:07 am-7:45 pm

1 stop6h 38m

Chicago O'Hare Intl

Wed 1/15

12:42 pm-8:55 pm

1 stop10h 13m

$208

Los AngelesChicago

LAX - RFD

LAXRFD

Los Angeles

Wed 1/8

6:41 pm-11:54 am

1 stop15h 13m

Chicago Greater Rockford

Sun 1/12

12:44 pm-1:51 pm

2 stops27h 07m

$214

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Mon 1/13

8:48 pm-1:53 pm

2 stops15h 05m

Lambert-St Louis

Wed 1/15

6:46 pm-12:32 am

1 stop7h 46m

$222

Los AngelesChicago

LAX - MDW

LAXMDW

Los Angeles

Tue 12/10

12:30 pm-10:06 pm

1 stop7h 36m

Chicago Midway

Wed 1/15

10:57 am-5:22 pm

1 stop8h 25m

$256

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Tue 12/10

9:00 am-6:31 pm

1 stop7h 31m

Chicago O'Hare Intl

Mon 1/13

5:00 pm-11:55 pm

1 stop8h 55m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 60 results
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Best time to book a flight from Los Angeles to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Los Angeles 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.

Travel insights for flights from Los Angeles to Illinois

Get recent, data-driven insights about flights from Los Angeles to Illinois including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Los Angeles to Illinois (average of $232). Flying from Los Angeles to Illinois in June is currently the most expensive (average of $308). 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 LAX to IL?

Find hourly flight availability from Los Angeles to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

When flying from Los Angeles to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Los Angeles to Illinois

Explore weekly flight availability from Los Angeles to Illinois. 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 November 20, 2024.

The most flights from LAX to USIL are scheduled on a Monday (102 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (56 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated November 20, 2024.
To help decide which airline to fly from Los Angeles to Illinois, see what other customers have to say about Spirit Airlines, Frontier and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

WestJet
7.3
Good
2,811 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

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

    Located just 9.4 mi from the city center, Los Angeles (LAX) is the airport most travelers will use when flying to Illinois from Los Angeles.

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

    The cheapest airlines for a one-way flight from Los Angeles to Illinois are Frontier ($80), Spirit Airlines ($82), and Southwest ($85).

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

    While some choose either Los Angeles - Chicago Midway or Los Angeles - Lambert-St Louis, Los Angeles - Chicago O'Hare Intl is the most popular route from Los Angeles to Illinois.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Los Angeles to Illinois on time: Brussels Airlines (95%), Emirates (95%), Fiji Airways (95%).

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

    While on average a flight from Los Angeles to Illinois is generally $869, our data shows the cheapest flight currently is $95. When looking at the most popular route, (Los Angeles - Chicago O'Hare Intl), you can expect to pay $88 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Los Angeles to Illinois 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 Los Angeles to Illinois?

    Currently, September is the cheapest month in which you can book a flight from Los Angeles to Illinois (average of $232). Flying from Los Angeles to Illinois in June is currently the most expensive (average of $308). 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.

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Alternative routes for Los Angeles to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Los Angeles to Illinois

Discover the top 9 airlines that operate flights from Los Angeles to Illinois. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$49Average$120FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$68Average$385FlexibilityNo cancel feeOn-time75%
Spirit AirlinesCheapest$82Average$206FlexibilityNo cancel feeOn-time65%
FrontierCheapest$105Average$203FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$149Average$362FlexibilityNo cancel feeOn-time83%
United AirlinesCheapest$179Average$435FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$184Average$341FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$184Average$449FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$434FlexibilityNo cancel feeOn-timeN/A
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