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Cheap flights from Illinois to Los Angeles from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Los Angeles departing on 11/17. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
2:42 pm - 6:48 pmSTL-SNA
6h 06m1 stop
Frontier Logo
12:04 pm - 10:02 amSNA-STL
19h 58m1 stop
$130Frontier
Find Deal
Mon, Nov 17 - Thu, Nov 20
Frontier Logo
7:43 pm - 12:42 pmSTL-SNA
18h 59m1 stop
Frontier Logo
1:35 pm - 10:14 amSNA-STL
18h 39m1 stop
$137Frontier
Find Deal
Sat, Dec 6 - Tue, Dec 9
Multiple Airlines Logo
7:45 pm - 12:36 pmSTL-SNA
18h 51m2 stops
Multiple Airlines Logo
3:01 pm - 9:07 amSNA-STL
16h 06m1 stop
$186Multiple Airlines
Find Deal
Wed, Nov 12 - Tue, Nov 18
Multiple Airlines Logo
7:45 pm - 12:36 pmSTL-SNA
18h 51m2 stops
Multiple Airlines Logo
3:01 pm - 9:07 amSNA-STL
16h 06m1 stop
$193Multiple Airlines
Find Deal
Tue, Nov 11 - Tue, Nov 18
American Airlines Logo
8:15 am - 10:49 amORD-SNA
4h 34mnonstop
American Airlines Logo
11:42 am - 5:52 pmSNA-ORD
4h 10mnonstop
$269American Airlines
Find Deal
Fri, Jan 16 - Wed, Jan 21
American Airlines Logo
8:25 pm - 10:59 pmORD-SNA
4h 34mnonstop
American Airlines Logo
3:04 pm - 9:24 pmSNA-ORD
4h 20mnonstop
$271American Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
Spirit Airlines Logo
4:38 pm - 9:01 pmORD-SNA
6h 23m1 stop
Spirit Airlines Logo
1:31 pm - 5:32 amSNA-ORD
14h 01m1 stop
$274Spirit Airlines
Find Deal
Sat, Nov 15 - Sun, Nov 16
Spirit Airlines Logo
4:58 pm - 9:06 pmORD-SNA
6h 08m1 stop
Spirit Airlines Logo
1:27 pm - 5:32 amSNA-ORD
14h 05m1 stop
$275Spirit Airlines
Find Deal
Tue, Nov 25 - Thu, Nov 27
Alaska Airlines Logo
10:00 am - 6:22 pmORD-SNA
10h 22m1 stop
Alaska Airlines Logo
6:45 am - 4:55 pmSNA-ORD
8h 10m1 stop
$277Alaska Airlines
Find Deal
Sat, Dec 6 - Thu, Dec 11
Alaska Airlines Logo
2:06 pm - 8:26 pmORD-SNA
8h 20m1 stop
Alaska Airlines Logo
9:13 am - 11:55 pmSNA-ORD
12h 42m2 stops
$301Alaska Airlines
Find Deal
Fri, Jan 9 - Wed, Jan 14

Frontier flights from Illinois to Santa Ana, California

Our best Frontier deals on Illinois to Santa Ana, California flight tickets
Frontier
Nov 17
STL2:42 pmLambert-St Louis
6h 06m
1 stop
SNA6:48 pmSanta Ana J. Wayne/Orange Cnty
Nov 20
SNA12:04 pmSanta Ana J. Wayne/Orange Cnty
19h 58m
1 stop
STL10:02 amLambert-St Louis
$130
Find similar
Frontier
Dec 6
STL7:43 pmLambert-St Louis
18h 59m
1 stop
SNA12:42 pmSanta Ana J. Wayne/Orange Cnty
Dec 9
SNA1:35 pmSanta Ana J. Wayne/Orange Cnty
18h 39m
1 stop
STL10:14 amLambert-St Louis
$137
Find similar
Frontier
Nov 12
STL7:45 pmLambert-St Louis
17h 31m
1 stop
SNA11:16 amSanta Ana J. Wayne/Orange Cnty
Nov 17
SNA12:01 pmSanta Ana J. Wayne/Orange Cnty
19h 06m
1 stop
STL9:07 amLambert-St Louis
$150
Find similar

American Airlines flights from Illinois to Santa Ana, California

Our best American Airlines deals on Illinois to Santa Ana, California flight tickets
American Airlines
Jan 16
ORD8:15 amChicago O'Hare Intl
4h 34m
SNA10:49 amSanta Ana J. Wayne/Orange Cnty
Jan 21
SNA11:42 amSanta Ana J. Wayne/Orange Cnty
4h 10m
ORD5:52 pmChicago O'Hare Intl
$269
Find similar
American Airlines
Dec 6
ORD8:25 pmChicago O'Hare Intl
4h 34m
SNA10:59 pmSanta Ana J. Wayne/Orange Cnty
Dec 13
SNA3:04 pmSanta Ana J. Wayne/Orange Cnty
4h 20m
ORD9:24 pmChicago O'Hare Intl
$271
Find similar
American Airlines
Feb 11
MLI3:58 pmMoline Quad-City
8h 58m
1 stop
SNA10:56 pmSanta Ana J. Wayne/Orange Cnty
Feb 15
SNA3:17 pmSanta Ana J. Wayne/Orange Cnty
6h 29m
1 stop
MLI11:46 pmMoline Quad-City
$289
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Santa Ana, California 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 832,500 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from Illinois to Santa Ana, California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Mon 11/17

2:42 pm-6:48 pm

1 stop6h 06m

Santa Ana J. Wayne/Orange Cnty

Thu 11/20

12:04 pm-10:02 am

1 stop19h 58m

$130

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Sat 12/6

7:43 pm-12:42 pm

1 stop18h 59m

Santa Ana J. Wayne/Orange Cnty

Tue 12/9

1:35 pm-10:14 am

1 stop18h 39m

$137

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Wed 11/12

7:45 pm-12:36 pm

2 stops18h 51m

Santa Ana J. Wayne/Orange Cnty

Tue 11/18

3:01 pm-9:07 am

1 stop16h 06m

$186

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Tue 11/11

7:45 pm-12:36 pm

2 stops18h 51m

Santa Ana J. Wayne/Orange Cnty

Tue 11/18

3:01 pm-9:07 am

1 stop16h 06m

$193

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Fri 1/16

8:15 am-10:49 am

Nonstop4h 34m

Santa Ana J. Wayne/Orange Cnty

Wed 1/21

11:42 am-5:52 pm

Nonstop4h 10m

$269

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Sat 12/6

8:25 pm-10:59 pm

Nonstop4h 34m

Santa Ana J. Wayne/Orange Cnty

Sat 12/13

3:04 pm-9:24 pm

Nonstop4h 20m

$271

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Sat 11/15

4:38 pm-9:01 pm

1 stop6h 23m

Santa Ana J. Wayne/Orange Cnty

Sun 11/16

1:31 pm-5:32 am

1 stop14h 01m

$274

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Tue 11/25

4:58 pm-9:06 pm

1 stop6h 08m

Santa Ana J. Wayne/Orange Cnty

Thu 11/27

1:27 pm-5:32 am

1 stop14h 05m

$275

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Sat 12/6

10:00 am-6:22 pm

1 stop10h 22m

Santa Ana J. Wayne/Orange Cnty

Thu 12/11

6:45 am-4:55 pm

1 stop8h 10m

$277

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Fri 1/9

2:06 pm-8:26 pm

1 stop8h 20m

Santa Ana J. Wayne/Orange Cnty

Wed 1/14

9:13 am-11:55 pm

2 stops12h 42m

$301

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Illinois to Santa Ana, California

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 Santa Ana, California?

In general, September is the cheapest month to fly from Illinois to Santa Ana, California. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $312. If you aren’t able to travel during the month of September, then book flights to Santa Ana, California from Illinois during July instead. Flights to Santa Ana, California in July, while not as cheap as those in September, still average around $348.

What is the cheapest day to depart on your flight to Santa Ana, California?

The cheapest day to depart from Illinois to Santa Ana, California is on a Saturday. Travelers who choose to depart for Santa Ana, California on a Saturday will often find tickets for as low as $359. The most expensive day to fly to Santa Ana, California is Sunday, with ticket prices averaging around $459.

What is the cheapest time of day to depart on your flight to Santa Ana, California?

In the morning is the cheapest time of day to fly from Illinois to Santa Ana, California when you can find flight prices for as low as $376. Flying to Santa Ana, California in the morning is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Santa Ana, California is in the evening when prices are around $442.

What is the cheapest Illinois to Santa Ana J. Wayne/Orange Cnty flight route?

Fly from Chicago O'Hare Intl to Santa Ana J. Wayne/Orange Cnty for the best Illinois - Santa Ana J. Wayne/Orange Cnty flight prices

How far in advance should I book a flight to Santa Ana, California?

You are more likely to see cheaper flights to Santa Ana, California from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Santa Ana, California for around $380 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Santa Ana, California from Illinois for as low as $308 on momondo.

What cabin class options are available on Illinois to Santa Ana J. Wayne/Orange Cnty flights?

There are 4 cabin classes available to choose from on Illinois to Santa Ana J. Wayne/Orange Cnty 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 Illinois to Santa Ana, California flights?

You could potentially save up to 69% on your flight if you consider stops on a Illinois to Santa Ana, California flight.

Cheap Illinois to Santa Ana, California flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Santa Ana, California

Best Price Found

$205

Fastest flight time

4h 15m

Direct flights

Every day

Airports in Santa Ana, California

1 airport
The best one-way flight to Santa Ana, California from Illinois in the past 72 hours is $205. The best round-trip flight deal from Illinois to Santa Ana, California found on momondo in the last 72 hours is $320.
The fastest flight from Illinois to Santa Ana, California takes 4h 15m
Direct flights go from Illinois to Santa Ana, California every day.
There is 1 airport near Santa Ana, California: Santa Ana J. Wayne/Orange Cnty (SNA)
Search flight deals

  • When did momondo last update prices for flights from Illinois to Santa Ana J. Wayne/Orange Cnty Airport?

    Prices for flights from Illinois to Santa Ana J. Wayne/Orange Cnty Airport refresh daily.

  • How many operators does momondo search for flights from Illinois to Santa Ana J. Wayne/Orange Cnty Airport?

  • How old do you have to be to fly from Illinois to Santa Ana J. Wayne/Orange Cnty Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Santa Ana J. Wayne/Orange Cnty Airport.

  • What documentation or ID do you need to fly to Santa Ana J. Wayne/Orange Cnty Airport?

    The required travel and health documents for your Santa Ana J. Wayne/Orange Cnty 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 license and a passport valid for six months after your intended arrival at Santa Ana J. Wayne/Orange Cnty 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 Illinois to Santa Ana, California?

Best airlines flying from Illinois to Santa Ana, California

Compare and see reviews for airlines that fly from Illinois to Santa Ana, California with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $99Free CancellationRating
6.3
8,114 reviews
Search Spirit Airlines flights
FrontierPriceFrom $109Free CancellationRating
5.8
3,124 reviews
Search Frontier flights
American AirlinesPriceFrom $234Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights
United AirlinesPriceFrom $275Free CancellationRating
7.4
8,999 reviews
Search United Airlines flights
SouthwestPriceFrom $288Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $336Free CancellationRating
8.0
11,210 reviews
Search Alaska Airlines flights

Traveling to a place near Los Angeles?

Book flights to Los Angeles if you plan to visit one of these locations
Anaheim
Tustin

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Santa Ana?

It is quick and easy to find Illinois to Santa Ana 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 Santa Ana that suits you.

Can I find flights from Illinois to Santa Ana with flexible booking policies on momondo?

Flights from Illinois to Santa Ana 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 Illinois to Santa Ana?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Santa Ana.

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

Yes. momondo can track prices for Illinois to Santa Ana flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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