$82+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ORD
Feb 3 — Feb 101
1 adult, Economy
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Find cheap flights from Los Angeles to Illinois 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 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 January 29, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $150 (Frontier) |
One-way from | $82 (Cheapflightsfares) |
Popular in | March |
Cheapest in | February |
Average price | $302 |
Good round-trip deal | $178 or less |
Good one-way deal | $175 or less |
Find flight deals from Los Angeles to Illinois
Cheapest flights from Los Angeles to IllinoisExplore 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 January 29, 2025.
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 January 29, 2025.
This Frontier deal was found by Cheapflights users on 1/29. 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.
Thu 2/132:35 pmLAX - MDW
1 stop7h 42mFrontier
Sun 2/165:10 amMDW - LAX
1 stop11h 54mFrontier
Deal found 1/29![Frontier logo]()
$150
This Frontier deal was found by Cheapflights users on 1/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/710:53 pmLAX - ORD
1 stop10h 43mFrontier
Sat 5/1010:22 amORD - LAX
1 stop13h 31mFrontier
Deal found 1/28![Frontier logo]()
$150
This CheapOair deal was found by Cheapflights users on 1/29. 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.
Tue 4/15:52 amLAX - ORD
1 stop5h 47mSpirit Airlines
Sat 4/59:01 pmORD - LAX
1 stop12h 02mSpirit Airlines
Deal found 1/29![Spirit Airlines logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/310:35 pmLAX - ORD
1 stop13h 01mMultiple Airlines
Sat 2/89:00 amORD - LAX
Nonstop4h 39mMultiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Wed 7/22:07 pmLAX - RFD
Nonstop3h 44mAllegiant Air
Wed 7/98:41 pmRFD - LAX
Nonstop4h 06mAllegiant Air
Deal found 1/29![Allegiant Air logo]()
$160
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/64:16 pmLAX - STL
1 stop15h 00mFrontier
Sat 2/87:09 pmSTL - LAX
1 stop7h 26mFrontier
Deal found 1/28![Frontier logo]()
$184
This American Airlines deal was found by Cheapflights users on 1/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2412:25 amLAX - ORD
Nonstop3h 49mAmerican Airlines
Tue 3/47:18 amORD - LAX
Nonstop4h 47mAmerican Airlines
Deal found 1/28![American Airlines logo]()
$189
This Southwest deal was found by Cheapflights users on 1/28. 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 2/286:20 pmLAX - MDW
Nonstop3h 50mSouthwest
Wed 3/51:15 pmMDW - LAX
Nonstop4h 40mSouthwest
Deal found 1/28![Southwest logo]()
$208
This Travelocity deal was found by Cheapflights users on 1/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/191:58 pmLAX - STL
1 stop8h 01mMultiple Airlines
Sat 2/227:04 pmSTL - LAX
1 stop7h 21mMultiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$208
This Mytrip deal was found by Cheapflights users on 1/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/69:00 amLAX - RFD
1 stop9h 47mMultiple Airlines
Sun 3/99:37 pmRFD - LAX
1 stop16h 38mMultiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$248
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/137:44 pmLAX - PIA
1 stop13h 52mMultiple Airlines
Mon 2/1712:26 pmPIA - LAX
1 stop10h 40mMultiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$251
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2610:10 amLAX - ORD
2 stops11h 49mAlaska Airlines
Sat 3/17:00 pmORD - LAX
1 stop14h 31mAlaska Airlines
Deal found 1/28![Alaska Airlines logo]()
$256
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 2,558,603 searches. Data last updated January 29, 2025.
Fly from
Any airport
Fly to
Any airport
Route
Depart
Return
Price
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Thu 2/13
2:35 pm-12:17 am
1 stop7h 42m
Chicago Midway
Sun 2/16
5:10 am-3:04 pm
1 stop11h 54m
$150
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Wed 5/7
10:53 pm-11:36 am
1 stop10h 43m
Chicago O'Hare Intl
Sat 5/10
10:22 am-9:53 pm
1 stop13h 31m
$150
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Tue 4/1
11:15 pm-12:53 pm
1 stop11h 38m
Chicago O'Hare Intl
Sat 4/5
9:01 pm-7:03 am
1 stop12h 02m
$151
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Sat 2/15
4:01 pm-1:01 am
1 stop7h 00m
Chicago O'Hare Intl
Mon 2/17
1:32 pm-9:06 pm
1 stop9h 34m
$154
Los AngelesChicago
LAX - RFD
LAXRFD
Los Angeles
Wed 7/2
2:07 pm-7:51 pm
Nonstop3h 44m
Chicago Greater Rockford
Wed 7/9
8:41 pm-10:47 pm
Nonstop4h 06m
$160
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Fri 2/14
8:09 pm-7:52 pm
1 stop21h 43m
Lambert-St Louis
Sun 2/16
11:08 pm-9:40 am
1 stop12h 32m
$184
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Wed 2/26
8:30 am-2:35 pm
Nonstop4h 05m
Chicago Midway
Tue 3/4
8:35 pm-11:20 pm
Nonstop4h 45m
$189
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Mon 2/24
12:25 am-6:14 am
Nonstop3h 49m
Chicago O'Hare Intl
Tue 3/4
8:25 pm-11:14 pm
Nonstop4h 49m
$189
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Wed 2/19
1:58 pm-11:59 pm
1 stop8h 01m
Lambert-St Louis
Sat 2/22
7:04 pm-12:25 am
1 stop7h 21m
$208
Los AngelesChicago
LAX - RFD
LAXRFD
Los Angeles
Thu 3/6
9:00 am-8:47 pm
1 stop9h 47m
Chicago Greater Rockford
Sun 3/9
9:37 pm-12:15 pm
1 stop16h 38m
$248
Showing 1-10 of 60 results
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, August is the cheapest month in which you can book a flight from Los Angeles to Illinois (average of $245). Flying from Los Angeles to Illinois 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 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 January 29, 2025.
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 January 29, 2025.
The most flights from LAX to USIL are scheduled on a Monday (90 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (58 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 January 29, 2025.
To help decide which airline to fly from Los Angeles to Illinois, see what other customers have to say about Southwest, Alaska Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.7
Food
7.1
Entertainment
7.7
Boarding
8.2
Comfort
8.1
Overall
8.1
Reviews
1 / 20
10.0
ExcellentArlene,May 2024
SAN - OAK
Crew
8.7
Food
7.1
Entertainment
7.7
Boarding
8.2
Comfort
8.1
Overall
8.1
Reviews
1 / 20
10.0
ExcellentArlene,May 2024
SAN - OAK
Crew
8.7
Food
7.1
Entertainment
7.7
Boarding
8.2
Comfort
8.1
Overall
8.1
Reviews
1 / 20
10.0
ExcellentArlene,May 2024
SAN - OAK
Crew
8.7
Food
7.1
Entertainment
7.7
Boarding
8.2
Comfort
8.1
Overall
8.1
Reviews
1 / 20
10.0
ExcellentArlene,May 2024
SAN - OAK
Crew
8.7
Food
7.1
Entertainment
7.7
Boarding
8.2
Comfort
8.1
Overall
8.1
Reviews
1 / 20
10.0
ExcellentArlene,May 2024
SAN - OAK
Crew
8.7
Food
7.1
Entertainment
7.7
Boarding
8.2
Comfort
8.1
Overall
8.1
Reviews
1 / 20
10.0
ExcellentArlene,May 2024
SAN - OAK
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.
Browse thousands of different options on Cheapflights for your next trip
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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.
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 2,558,603 searches. Data last updated January 29, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$49 | Average$120 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$82 | Average$222 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$106 | Average$199 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$149 | Average$362 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$157 | Average$330 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$179 | Average$427 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$182 | Average$477 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$221 | Average$389 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$236 | Average$442 | FlexibilityNo cancel fee | On-timeN/A |