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Cheap flights from Los Angeles to Illinois from £61

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Los Angeles to Illinois departing on 24/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
23:59 - 06:05LAX-ORD
4h 06mdirect
Spirit Airlines Logo
21:06 - 23:52ORD-LAX
4h 46mdirect
£121Spirit Airlines
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Thu, 11 Dec - Mon, 15 Dec
Multiple Airlines Logo
23:43 - 11:22LAX-ORD
9h 39m1 stop
Multiple Airlines Logo
13:47 - 21:50ORD-LAX
10h 03m1 stop
£143Multiple Airlines
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Wed, 7 Jan - Wed, 14 Jan
United Airlines Logo
23:55 - 06:09LAX-ORD
4h 14mdirect
United Airlines Logo
22:00 - 00:49ORD-LAX
4h 49mdirect
£151United Airlines
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Wed, 24 Dec - Wed, 31 Dec
Frontier Logo
22:39 - 08:42LAX-ORD
8h 03m1 stop
Frontier Logo
17:17 - 21:11ORD-LAX
29h 54m1 stop
£156Frontier
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Sat, 6 Dec - Mon, 8 Dec
Frontier Logo
22:39 - 11:54LAX-ORD
11h 15m1 stop
Frontier Logo
17:17 - 21:11ORD-LAX
29h 54m1 stop
£159Frontier
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Fri, 5 Dec - Mon, 8 Dec
United Airlines Logo
00:25 - 06:25LAX-ORD
4h 00mdirect
United Airlines Logo
22:00 - 00:49ORD-LAX
4h 49mdirect
£170United Airlines
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Tue, 30 Dec - Wed, 31 Dec
Southwest Logo
11:35 - 17:10LAX-STL
3h 35mdirect
Southwest Logo
19:45 - 22:00STL-LAX
4h 15mdirect
£225Southwest
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Tue, 10 Feb - Sun, 15 Feb
Southwest Logo
11:35 - 17:10LAX-STL
3h 35mdirect
Southwest Logo
08:25 - 12:40STL-LAX
6h 15m1 stop
£230Southwest
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Wed, 4 Mar - Tue, 10 Mar
Delta Logo
11:45 - 00:25LAX-STL
10h 40m2 stops
Delta Logo
14:22 - 22:47STL-LAX
10h 25m2 stops
£240Delta
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Wed, 4 Mar - Tue, 10 Mar
Delta Logo
11:55 - 22:16LAX-STL
8h 21m1 stop
Delta Logo
14:18 - 18:48STL-LAX
6h 30m1 stop
£240Delta
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Thu, 25 Dec - Wed, 31 Dec

Delta flights from Los Angeles to Illinois

Our best Delta deals on Los Angeles to Illinois flight tickets
Delta
11 Dec
LAX11:05Los Angeles
5h 40m
1 stop
ORD18:45Chicago O'Hare Intl
17 Dec
ORD06:00Chicago O'Hare Intl
7h 13m
1 stop
LAX11:13Los Angeles
£201
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Delta
31 Dec
LAX05:30Los Angeles
9h 52m
1 stop
ORD17:22Chicago O'Hare Intl
6 Jan
ORD07:30Chicago O'Hare Intl
16h 51m
1 stop
LAX22:21Los Angeles
£221
Find similar
Delta
7 Dec
LAX06:15Los Angeles
7h 05m
1 stop
ORD15:20Chicago O'Hare Intl
10 Dec
ORD08:50Chicago O'Hare Intl
6h 21m
1 stop
LAX13:11Los Angeles
£236
Find similar

United Airlines flights from Los Angeles to Illinois

Our best United Airlines deals on Los Angeles to Illinois flight tickets
United Airlines
24 Dec
LAX00:25Los Angeles
4h 00m
ORD06:25Chicago O'Hare Intl
1 Jan
ORD22:00Chicago O'Hare Intl
4h 49m
LAX00:49Los Angeles
£151
Find similar
United Airlines
30 Dec
LAX00:25Los Angeles
4h 00m
ORD06:25Chicago O'Hare Intl
31 Dec
ORD22:00Chicago O'Hare Intl
4h 49m
LAX00:49Los Angeles
£170
Find similar
United Airlines
11 Dec
LAX00:25Los Angeles
3h 54m
ORD06:19Chicago O'Hare Intl
17 Dec
ORD07:10Chicago O'Hare Intl
4h 40m
LAX09:50Los Angeles
£179
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momondo Fare Finder

 
Customise 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, momondo users made 279,928 searches. Data last updated 25 November 2025.
Use the filters below to find and compare flights from Los Angeles to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Thu 11/12

23:59-06:05

Nonstop4h 06m

Chicago O'Hare Intl

Mon 15/12

21:06-23:52

Nonstop4h 46m

£121

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Wed 7/1

23:43-11:22

1 stop9h 39m

Chicago O'Hare Intl

Wed 14/1

13:47-21:50

1 stop10h 03m

£143

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Wed 24/12

23:55-06:09

Nonstop4h 14m

Chicago O'Hare Intl

Wed 31/12

22:00-00:49

Nonstop4h 49m

£151

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Sat 6/12

22:39-08:42

1 stop8h 03m

Chicago O'Hare Intl

Mon 8/12

17:17-21:11

1 stop29h 54m

£156

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Fri 5/12

22:39-11:54

1 stop11h 15m

Chicago O'Hare Intl

Mon 8/12

17:17-21:11

1 stop29h 54m

£159

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Tue 30/12

00:25-06:25

Nonstop4h 00m

Chicago O'Hare Intl

Wed 31/12

22:00-00:49

Nonstop4h 49m

£170

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Tue 10/2

11:35-17:10

Nonstop3h 35m

Lambert-St Louis

Sun 15/2

19:45-22:00

Nonstop4h 15m

£225

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Wed 4/3

11:35-17:10

Nonstop3h 35m

Lambert-St Louis

Tue 10/3

08:25-12:40

1 stop6h 15m

£230

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Wed 4/3

11:45-00:25

2 stops10h 40m

Lambert-St Louis

Tue 10/3

14:22-22:47

2 stops10h 25m

£240

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Thu 25/12

11:55-22:16

1 stop8h 21m

Lambert-St Louis

Wed 31/12

14:18-18:48

1 stop6h 30m

£240

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Los Angeles to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Illinois?

The month of September is, on average, the cheapest month to fly to Illinois from Los Angeles, with most prices found around £185. If you aren’t able to travel to Illinois during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of £196.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart on your flight to Illinois is on a Sunday when prices can be found for as low as £257. This is often the case because there is less demand to fly during this day of the week. Flights from Los Angeles to Illinois on a Thursday will generally be more expensive and average around £391. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our data shows that the cheapest Los Angeles to Illinois flights are usually those with departure times in the afternoon. Our users have found flights to Illinois in the afternoon for as low as £238. At midday is when there is more demand to fly to Illinois, so prices are often more expensive at around £821 per ticket.

What is the cheapest Los Angeles to Illinois flight route?

Fly from Los Angeles to Chicago O'Hare Intl for the best Los Angeles - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around £229 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Los Angeles for as low as £186 on momondo.

What cabin class options are available on Los Angeles to Illinois flights?

There are 4 cabin classes available to choose from on Los Angeles to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Los Angeles to Illinois flights?

No. A direct flight is the cheapest option for a flight between Los Angeles to Illinois.

Cheap Los Angeles to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Los Angeles to Illinois

Fastest flight time

3h 26m

Direct flights

Every day

Airports in Illinois

2 airports
The fastest flight from Los Angeles to Illinois takes 3h 26m
Direct flights go from Los Angeles to Illinois every day.
There are 2 airports near Illinois: Chicago O'Hare Intl (ORD), Lambert-St Louis (STL)
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  • When did momondo last update prices for flights from Los Angeles Airport to Illinois?

    Prices for flights from Los Angeles Airport to Illinois were last updated today.

  • How old do you have to be to fly from Los Angeles Airport to Illinois?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Los Angeles Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Los Angeles to Illinois?

Why use momondo?

Why should I use momondo to find a flight deal from Los Angeles to Illinois?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Los Angeles to Illinois . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Los Angeles to Illinois with flexible booking policies on momondo?

Flights from Los Angeles to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Los Angeles to Illinois?

momondo provides multiple filters to help you find the best flight to Illinois from Los Angeles. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Los Angeles to Illinois right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Los Angeles to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.

An easier way to manage your Illinois trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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