$86+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ORD
Apr 8 — Apr 151
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
Keep the following information in mind while searching for Los Angeles to Illinois flight deals. Data was last updated April 3, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $158 (Cheapflightsfares) |
One-way from | $86 (Trip.com) |
Popular in | March |
Cheapest in | February |
Average price | $298 |
Good round-trip deal | $258 or less |
Good one-way deal | $148 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 April 3, 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 April 3, 2025.
This Cheapflightsfares deal was found by Cheapflights users on 4/2. 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.
Fri 4/186:28 pmLAX - ORD
Nonstop4h 03mSpirit Airlines
Sat 4/269:09 amORD - LAX
1 stop7h 41mSpirit Airlines
Deal found 4/2![Spirit Airlines logo]()
$158
This Cheapflightsfares deal was found by Cheapflights users on 4/3. 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.
Fri 6/134:46 pmLAX - ORD
Nonstop4h 19mMultiple Airlines
Sun 6/157:41 amORD - LAX
Nonstop4h 27mMultiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$162
This Southwest deal was found by Cheapflights users on 4/2. 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.
Sat 5/311:25 amLAX - MDW
Nonstop4h 00mSouthwest
Wed 5/74:40 pmMDW - LAX
Nonstop4h 30mSouthwest
Deal found 4/2![Southwest logo]()
$179
This American Airlines deal was found by Cheapflights users on 4/3. 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 5/35:52 pmLAX - ORD
Nonstop4h 07mAmerican Airlines
Wed 5/77:13 pmORD - LAX
Nonstop4h 39mAmerican Airlines
Deal found 4/3![American Airlines logo]()
$180
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Wed 4/305:30 pmLAX - ORD
Nonstop4h 11mUnited Airlines
Wed 5/77:00 amORD - LAX
Nonstop4h 36mUnited Airlines
Deal found 4/2![United Airlines logo]()
$189
This eDestinos deal was found by Cheapflights users on 4/3. 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.
Fri 4/258:05 pmLAX - MDW
1 stop13h 16mFrontier
Mon 4/288:01 pmMDW - LAX
1 stop6h 30mFrontier
Deal found 4/3![Frontier logo]()
$227
This Mytrip deal was found by Cheapflights users on 4/2. 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 6/410:30 amLAX - RFD
1 stop23h 24mMultiple Airlines
Sun 6/84:06 pmRFD - LAX
1 stop29h 04mMultiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$231
This Alaska Airlines deal was found by Cheapflights users on 4/3. 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.
Fri 5/307:00 amLAX - ORD
1 stop14h 56mAlaska Airlines
Sat 5/317:00 amORD - LAX
1 stop7h 57mAlaska Airlines
Deal found 4/3![Alaska Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 7/174:46 pmLAX - ORD
Nonstop4h 22mFrontier
Sun 7/206:10 amORD - LAX
Nonstop4h 29mFrontier
Deal found 4/3![Frontier logo]()
$235
This Delta deal was found by Cheapflights users on 4/3. 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.
Fri 6/2712:45 amLAX - ORD
1 stop5h 40mDelta
Sat 7/55:45 amORD - LAX
1 stop8h 14mDelta
Deal found 4/3![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 4/3. 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.
Fri 4/1812:45 amLAX - MDW
1 stop6h 55mDelta
Sat 4/2610:20 amMDW - LAX
1 stop6h 29mDelta
Deal found 4/3![Delta logo]()
$263
This Trip.com deal was found by Cheapflights users on 4/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/259:35 amLAX - STL
1 stop9h 30mFrontier
Sun 4/279:55 pmSTL - LAX
2 stops20h 38mFrontier
Deal found 4/2![Frontier logo]()
$277
Cheapflights Fare Finder
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 April 3, 2025.
Use the filters below to find and compare flights from Los Angeles to Illinois that are best for you.
Fly from
Los Angeles
Fly to
Illinois
Route
Depart
Return
Price
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Fri 4/18
6:28 pm-12:31 am
Nonstop4h 03m
Chicago O'Hare Intl
Sat 4/26
9:09 am-2:50 pm
1 stop7h 41m
$158
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Fri 6/13
4:46 pm-11:05 pm
Nonstop4h 19m
Chicago O'Hare Intl
Sun 6/15
7:41 am-10:08 am
Nonstop4h 27m
$162
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Sat 5/3
11:25 am-5:25 pm
Nonstop4h 00m
Chicago Midway
Wed 5/7
4:40 pm-7:10 pm
Nonstop4h 30m
$179
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Sat 5/3
5:52 pm-11:59 pm
Nonstop4h 07m
Chicago O'Hare Intl
Wed 5/7
7:13 pm-9:52 pm
Nonstop4h 39m
$180
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Wed 4/30
5:30 pm-11:41 pm
Nonstop4h 11m
Chicago O'Hare Intl
Wed 5/7
7:00 am-9:36 am
Nonstop4h 36m
$189
Los AngelesChicago
LAX - MDW
LAXMDW
Los Angeles
Fri 4/25
8:05 pm-11:21 am
1 stop13h 16m
Chicago Midway
Mon 4/28
8:01 pm-12:31 am
1 stop6h 30m
$227
Los AngelesChicago
LAX - RFD
LAXRFD
Los Angeles
Wed 6/4
10:30 am-11:54 am
1 stop23h 24m
Chicago Greater Rockford
Sun 6/8
4:06 pm-7:10 pm
1 stop29h 04m
$231
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Fri 5/30
7:00 am-11:56 pm
1 stop14h 56m
Chicago O'Hare Intl
Tue 6/3
7:00 am-12:57 pm
1 stop7h 57m
$234
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Thu 7/17
4:46 pm-11:08 pm
Nonstop4h 22m
Chicago O'Hare Intl
Sun 7/20
6:10 am-8:39 am
Nonstop4h 29m
$235
Los AngelesChicago
LAX - ORD
LAXORD
Los Angeles
Fri 6/27
12:45 am-8:25 am
1 stop5h 40m
Chicago O'Hare Intl
Tue 7/8
1:55 pm-6:12 pm
1 stop6h 17m
$257
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.
Cheapflights Insights
Everything you need to know about your flight from Los Angeles to Illinois
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 $321). 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 April 3, 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 April 3, 2025.
The most flights from LAX to USIL are scheduled on a Thursday (107 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (35 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 April 3, 2025.
To help decide which airline to fly from Los Angeles to Illinois, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.1
Overall
8.0
Entertainment
7.1
Boarding
8.2
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentCheri,Jan 2025
FAT - SEA
Food
7.1
Overall
8.0
Entertainment
7.1
Boarding
8.2
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentCheri,Jan 2025
FAT - SEA
Food
7.1
Overall
8.0
Entertainment
7.1
Boarding
8.2
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentCheri,Jan 2025
FAT - SEA
Food
7.1
Overall
8.0
Entertainment
7.1
Boarding
8.2
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentCheri,Jan 2025
FAT - SEA
Food
7.1
Overall
8.0
Entertainment
7.1
Boarding
8.2
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentCheri,Jan 2025
FAT - SEA
Food
7.1
Overall
8.0
Entertainment
7.1
Boarding
8.2
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentCheri,Jan 2025
FAT - SEA
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 8 airlines flying from Los Angeles to Illinois
Discover the top 8 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 April 3, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$49 | Average$120 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$77 | Average$220 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$89 | Average$204 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$157 | Average$347 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$179 | Average$440 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$183 | Average$478 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$221 | Average$394 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$236 | Average$443 | FlexibilityNo cancel fee | On-timeN/A |