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Cheap flights from Los Angeles to Chicago from $129

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 Chicago departing on 15/9. 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

Spirit Airlines Logo
06:15 - 21:32LAX-ORD
13h 17m1 stop
Spirit Airlines Logo
12:54 - 15:24ORD-LAX
4h 30mdirect
$240Spirit Airlines
Find Deal
Tue, 16 Sep - Sun, 21 Sep
Frontier Logo
17:41 - 23:59LAX-ORD
4h 18mdirect
Frontier Logo
10:51 - 20:22ORD-LAX
11h 31m1 stop
$257Frontier
Find Deal
Fri, 10 Oct - Fri, 17 Oct
United Airlines Logo
06:00 - 12:18LAX-ORD
4h 18mdirect
United Airlines Logo
18:26 - 21:01ORD-LAX
4h 35mdirect
$304United Airlines
Find Deal
Wed, 15 Oct - Sat, 25 Oct
United Airlines Logo
06:00 - 12:10LAX-ORD
4h 10mdirect
United Airlines Logo
18:00 - 20:35ORD-LAX
4h 35mdirect
$316United Airlines
Find Deal
Wed, 29 Oct - Fri, 31 Oct
Delta Logo
06:15 - 15:01LAX-ORD
6h 46m1 stop
Delta Logo
06:15 - 11:57ORD-LAX
7h 42m1 stop
$334Delta
Find Deal
Wed, 24 Sep - Wed, 1 Oct
Alaska Airlines Logo
09:00 - 05:01LAX-ORD
18h 01m1 stop
Alaska Airlines Logo
06:00 - 14:52ORD-LAX
10h 52m1 stop
$345Alaska Airlines
Find Deal
Sun, 19 Oct - Wed, 22 Oct
Delta Logo
12:00 - 20:20LAX-ORD
6h 20m1 stop
Delta Logo
19:25 - 23:56ORD-LAX
6h 31m1 stop
$347Delta
Find Deal
Mon, 29 Sep - Tue, 30 Sep
Alaska Airlines Logo
14:06 - 00:03LAX-ORD
7h 57m1 stop
Alaska Airlines Logo
08:00 - 14:57ORD-LAX
8h 57m1 stop
$350Alaska Airlines
Find Deal
Tue, 16 Sep - Tue, 23 Sep
Southwest Logo
05:10 - 14:00LAX-ORD
6h 50m1 stop
Southwest Logo
07:30 - 12:15ORD-LAX
6h 45m1 stop
$359Southwest
Find Deal
Sun, 12 Oct - Thu, 16 Oct
Southwest Logo
22:10 - 11:50LAX-ORD
11h 40m1 stop
Southwest Logo
13:30 - 22:15ORD-LAX
10h 45m2 stops
$367Southwest
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Thu, 25 Sep - Mon, 29 Sep

Alaska Airlines flights from Los Angeles to Chicago O'Hare Intl Airport

Our best Alaska Airlines deals on Los Angeles to Chicago O'Hare Intl Airport flight tickets
Alaska Airlines
19 Oct
LAX09:00Los Angeles
18h 01m
1 stop
ORD05:01Chicago O'Hare Intl
22 Oct
ORD06:00Chicago O'Hare Intl
10h 52m
1 stop
LAX14:52Los Angeles
$345
Find similar
Alaska Airlines
16 Sept
LAX14:06Los Angeles
7h 57m
1 stop
ORD00:03Chicago O'Hare Intl
23 Sept
ORD08:00Chicago O'Hare Intl
8h 57m
1 stop
LAX14:57Los Angeles
$350
Find similar
Alaska Airlines
26 Sept
LAX18:07Los Angeles
8h 53m
1 stop
ORD05:00Chicago O'Hare Intl
29 Sept
ORD07:00Chicago O'Hare Intl
8h 04m
1 stop
LAX13:04Los Angeles
$357
Find similar

Spirit Airlines flights from Los Angeles to Chicago O'Hare Intl Airport

Our best Spirit Airlines deals on Los Angeles to Chicago O'Hare Intl Airport flight tickets
Spirit Airlines
16 Sept
LAX06:15Los Angeles
13h 17m
1 stop
ORD21:32Chicago O'Hare Intl
21 Sept
ORD12:54Chicago O'Hare Intl
4h 30m
LAX15:24Los Angeles
$240
Find similar
Spirit Airlines
8 Oct
LAX00:53Los Angeles
8h 40m
1 stop
ORD11:33Chicago O'Hare Intl
16 Oct
ORD13:26Chicago O'Hare Intl
10h 26m
1 stop
LAX21:52Los Angeles
$385
Find similar
Spirit Airlines
10 Oct
LAX23:53Los Angeles
17h 57m
1 stop
ORD19:50Chicago O'Hare Intl
17 Oct
ORD10:27Chicago O'Hare Intl
15h 21m
2 stops
LAX23:48Los Angeles
$407
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Los Angeles to Chicago O'Hare Intl Airport 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 78,305 searches. Data last updated 26 August 2025.
Use the filters below to find and compare flights from Los Angeles to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Tue 16/9

06:15-21:32

1 stop13h 17m

Chicago O'Hare Intl

Sun 21/9

12:54-15:24

Nonstop4h 30m

$240

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Fri 10/10

17:41-23:59

Nonstop4h 18m

Chicago O'Hare Intl

Fri 17/10

10:51-20:22

1 stop11h 31m

$257

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Wed 15/10

06:00-12:18

Nonstop4h 18m

Chicago O'Hare Intl

Sat 25/10

18:26-21:01

Nonstop4h 35m

$304

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Wed 29/10

06:00-12:10

Nonstop4h 10m

Chicago O'Hare Intl

Fri 31/10

18:00-20:35

Nonstop4h 35m

$316

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Wed 24/9

06:15-15:01

1 stop6h 46m

Chicago O'Hare Intl

Wed 1/10

06:15-11:57

1 stop7h 42m

$334

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Sun 19/10

09:00-05:01

1 stop18h 01m

Chicago O'Hare Intl

Wed 22/10

06:00-14:52

1 stop10h 52m

$345

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Mon 29/9

12:00-20:20

1 stop6h 20m

Chicago O'Hare Intl

Tue 30/9

19:25-23:56

1 stop6h 31m

$347

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Tue 16/9

14:06-00:03

1 stop7h 57m

Chicago O'Hare Intl

Tue 23/9

08:00-14:57

1 stop8h 57m

$350

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Sun 12/10

05:10-14:00

1 stop6h 50m

Chicago O'Hare Intl

Thu 16/10

07:30-12:15

1 stop6h 45m

$359

Los AngelesChicago

LAX - ORD

LAXORD

Los Angeles

Thu 25/9

22:10-11:50

1 stop11h 40m

Chicago O'Hare Intl

Mon 29/9

13:30-22:15

2 stops10h 45m

$367

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 Chicago from

How to get the cheapest flight ticket from Los Angeles to Chicago O'Hare Intl Airport

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 Chicago O'Hare Intl Airport?

The month of February is, on average, the cheapest month to fly to Chicago O'Hare Intl Airport from Los Angeles, with most prices found around $405. If you are unable to visit Chicago O'Hare Intl Airport during the month of February, then departing from Los Angeles during the month September is also very affordable. Most momondo users find prices during this month for around $414.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart from Los Angeles to Chicago O'Hare Intl Airport is on a Tuesday. Travellers who choose to depart for Chicago O'Hare Intl Airport on a Tuesday will often find tickets for as low as $333. The most expensive day to fly to Chicago O'Hare Intl Airport is Wednesday, with ticket prices averaging around $2,012.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Our data shows that the cheapest Los Angeles to Chicago O'Hare Intl Airport flights are usually those with departure times in the afternoon. Our users have found flights to Chicago O'Hare Intl Airport in the afternoon for as low as $307. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is at midday when prices are around $1,766.

What is the cheapest Los Angeles to Chicago O'Hare Intl flight route?

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

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $460 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Los Angeles for as low as $391 on momondo.

What cabin class options are available on Los Angeles to Chicago O'Hare Intl flights?

There are 2 cabin classes available to choose from on Los Angeles to Chicago O'Hare Intl 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 Chicago O'Hare Intl Airport flights?

You could potentially save up to 1% on your flight if you consider stops on a Los Angeles to Chicago O'Hare Intl Airport flight.

How have Los Angeles to Chicago O'Hare Intl Airport flight prices changed over time?

As of August 2025, prices for Los Angeles to Chicago O'Hare Intl Airport flights are approximately 22% cheaper when compared to flights at the same time last year.

When to book flights from Los Angeles to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Los Angeles to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Los Angeles to Chicago O'Hare Intl Airport (LAX to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Los Angeles to Chicago O'Hare Intl Airport

Best price found

$128

Fastest flight time

3h 54m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Los Angeles in the past 72 hours is $128. The best return flight deal from Los Angeles to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $182.
The fastest flight from Los Angeles to Chicago O'Hare Intl Airport takes 3h 54m
Direct flights go from Los Angeles to Chicago O'Hare Intl Airport every day.
Search flight deals

  • How far is Los Angeles to Chicago O'Hare Intl by plane?

    There are 2786.9 km between Los Angeles and Chicago O'Hare Intl. By plane, this route typically takes 4h 04m.

  • When did momondo last update prices for flights from Los Angeles Airport to Chicago O'Hare Intl Airport?

    Prices for flights from Los Angeles Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Los Angeles Airport to Chicago O'Hare Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Los Angeles Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Los Angeles to Chicago O'Hare Intl Airport?

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Rosemont
Naperville

Why use momondo?

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

It is quick and easy to find Los Angeles to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

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

Yes. momondo allows you to filter the results for Los Angeles to Chicago flights to just show those with flexible booking policies.

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

Once all potential Los Angeles to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Los Angeles to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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