Cheap flights from Illinois to Los Angeles from $89

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 8/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Illinois to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:45 pm - 12:31 pm
STL
-
SNA
19h 46m
1 stop
Multiple Airlines Logo
7:30 am - 5:50 pm
SNA
-
STL
8h 20m
1 stop
$217Multiple Airlines
Wed, Aug 19 - Tue, Aug 25
Frontier Logo
6:45 pm - 2:48 pm
STL
-
SNA
22h 03m
1 stop
Frontier Logo
7:53 pm - 5:50 pm
SNA
-
STL
19h 57m
1 stop
$218Frontier
Fri, Aug 28 - Mon, Aug 31
Frontier Logo
7:03 pm - 12:31 pm
STL
-
SNA
19h 28m
1 stop
Frontier Logo
4:13 pm - 6:15 pm
SNA
-
STL
24h 02m
1 stop
$220Frontier
Wed, Jul 22 - Wed, Jul 29
Multiple Airlines Logo
6:45 pm - 5:45 pm
STL
-
SNA
25h 00m
1 stop
Multiple Airlines Logo
7:53 pm - 5:50 pm
SNA
-
STL
19h 57m
1 stop
$232Multiple Airlines
Fri, Aug 28 - Mon, Aug 31
United Airlines Logo
6:10 am - 12:06 pm
ORD
-
SNA
7h 56m
1 stop
United Airlines Logo
2:10 pm - 8:26 pm
SNA
-
ORD
4h 16mnonstop
$327United Airlines
Wed, Jul 22 - Sat, Jul 25
United Airlines Logo
7:55 pm - 10:25 pm
ORD
-
SNA
4h 30mnonstop
United Airlines Logo
2:25 pm - 8:39 pm
SNA
-
ORD
4h 14mnonstop
$329United Airlines
Fri, Sep 18 - Sat, Sep 19
Southwest Logo
5:10 pm - 9:45 pm
MDW
-
SNA
6h 35m
1 stop
Southwest Logo
11:20 am - 8:45 pm
SNA
-
MDW
7h 25m
1 stop
$329Southwest
Sat, Aug 1 - Wed, Aug 5
Southwest Logo
5:00 pm - 9:55 pm
MDW
-
SNA
6h 55m
2 stops
Southwest Logo
11:55 am - 7:30 pm
SNA
-
MDW
5h 35m
1 stop
$333Southwest
Mon, Aug 24 - Sat, Aug 29
Delta Logo
1:55 pm - 10:04 pm
ORD
-
SNA
10h 09m
2 stops
Delta Logo
7:05 am - 6:01 pm
SNA
-
ORD
8h 56m
1 stop
$334Delta
Thu, Sep 24 - Tue, Sep 29
Delta Logo
1:28 pm - 10:05 pm
MDW
-
SNA
10h 37m
2 stops
Delta Logo
12:20 pm - 10:10 pm
SNA
-
MDW
7h 50m
1 stop
$334Delta
Mon, Nov 2 - Wed, Nov 11

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Southwest flights from Illinois to Santa Ana, California

Our best Southwest deals on Illinois to Santa Ana, California flight tickets
Southwest
Aug 1
MDW5:10 pmChicago Midway
6h 35m
1 stop
SNA9:45 pmSanta Ana J. Wayne/Orange Cnty
Aug 5
SNA11:20 amSanta Ana J. Wayne/Orange Cnty
7h 25m
1 stop
MDW8:45 pmChicago Midway
$329
Southwest
Aug 24
MDW5:00 pmChicago Midway
6h 55m
2 stops
SNA9:55 pmSanta Ana J. Wayne/Orange Cnty
Aug 29
SNA11:55 amSanta Ana J. Wayne/Orange Cnty
5h 35m
1 stop
MDW7:30 pmChicago Midway
$333
Southwest
Aug 13
MDW5:00 pmChicago Midway
6h 55m
2 stops
SNA9:55 pmSanta Ana J. Wayne/Orange Cnty
Aug 16
SNA8:45 pmSanta Ana J. Wayne/Orange Cnty
7h 00m
1 stop
MDW5:45 amChicago Midway
$338

Frontier flights from Illinois to Santa Ana, California

Our best Frontier deals on Illinois to Santa Ana, California flight tickets
Frontier
Aug 12
STL7:03 pmLambert-St Louis
19h 28m
1 stop
SNA12:31 pmSanta Ana J. Wayne/Orange Cnty
Aug 17
SNA7:53 pmSanta Ana J. Wayne/Orange Cnty
19h 57m
1 stop
STL5:50 pmLambert-St Louis
$202
Frontier
Aug 28
STL6:45 pmLambert-St Louis
22h 03m
1 stop
SNA2:48 pmSanta Ana J. Wayne/Orange Cnty
Aug 31
SNA7:53 pmSanta Ana J. Wayne/Orange Cnty
19h 57m
1 stop
STL5:50 pmLambert-St Louis
$212
Frontier
Aug 19
STL6:45 pmLambert-St Louis
19h 46m
1 stop
SNA12:31 pmSanta Ana J. Wayne/Orange Cnty
Aug 24
SNA7:53 pmSanta Ana J. Wayne/Orange Cnty
19h 57m
1 stop
STL5:50 pmLambert-St Louis
$217

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 June 30, 2026.
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

Cheapest round-trip

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Wed 8/19

6:45 pm-12:31 pm

1 stop19h 46m

Santa Ana J. Wayne/Orange Cnty

Tue 8/25

7:30 am-5:50 pm

1 stop8h 20m

$217

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Fri 8/28

6:45 pm-2:48 pm

1 stop22h 03m

Santa Ana J. Wayne/Orange Cnty

Mon 8/31

7:53 pm-5:50 pm

1 stop19h 57m

$218

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Wed 7/22

7:03 pm-12:31 pm

1 stop19h 28m

Santa Ana J. Wayne/Orange Cnty

Wed 7/29

4:13 pm-6:15 pm

1 stop24h 02m

$220

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Fri 8/28

6:45 pm-5:45 pm

1 stop25h 00m

Santa Ana J. Wayne/Orange Cnty

Mon 8/31

7:53 pm-5:50 pm

1 stop19h 57m

$232

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Wed 7/22

6:10 am-12:06 pm

1 stop7h 56m

Santa Ana J. Wayne/Orange Cnty

Sat 7/25

2:10 pm-8:26 pm

Nonstop4h 16m

$327
Quickest round-trip

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Fri 9/18

7:55 pm-10:25 pm

Nonstop4h 30m

Santa Ana J. Wayne/Orange Cnty

Sat 9/19

2:25 pm-8:39 pm

Nonstop4h 14m

$329

ChicagoSanta Ana

MDW - SNA

MDWSNA

Chicago Midway

Sat 8/1

5:10 pm-9:45 pm

1 stop6h 35m

Santa Ana J. Wayne/Orange Cnty

Wed 8/5

11:20 am-8:45 pm

1 stop7h 25m

$329

ChicagoSanta Ana

MDW - SNA

MDWSNA

Chicago Midway

Mon 8/24

5:00 pm-9:55 pm

2 stops6h 55m

Santa Ana J. Wayne/Orange Cnty

Sat 8/29

11:55 am-7:30 pm

1 stop5h 35m

$333

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Thu 9/24

1:55 pm-10:04 pm

2 stops10h 09m

Santa Ana J. Wayne/Orange Cnty

Tue 9/29

7:05 am-6:01 pm

1 stop8h 56m

$334

ChicagoSanta Ana

MDW - SNA

MDWSNA

Chicago Midway

Mon 11/2

1:28 pm-10:05 pm

2 stops10h 37m

Santa Ana J. Wayne/Orange Cnty

Wed 11/11

12:20 pm-10:10 pm

1 stop7h 50m

$334

Flights are sorted by cheapest round-trip flights first.

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

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, December 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 $70. If you aren’t able to travel during the month of December, then book flights to Santa Ana, California from Illinois during October instead. Flights to Santa Ana, California in October, while not as cheap as those in December, still average around $84.

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 $377. The most expensive day to fly to Santa Ana, California is Sunday, with ticket prices averaging around $533.

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 $400. 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 $440.

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 from Illinois 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 $397 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 $331 on momondo.

What cabin class options are available on Illinois to Santa Ana, California flights?

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

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

$303

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 $303. The best round-trip flight deal from Illinois to Santa Ana, California found on momondo in the last 72 hours is $394.
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 in Santa Ana, California. From Illinois there are direct flights to Santa Ana J. Wayne/Orange Cnty (SNA).

Frequently asked questions about flying from Illinois to Santa Ana, California

  • 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
FrontierPriceFrom $129Free CancellationRating
5.6
2,848 reviews
Search Frontier flights
JetBluePriceFrom $258Free CancellationRating
7.1
3,012 reviews
Search JetBlue flights
SouthwestPriceFrom $265Free CancellationRating
7.9
4,246 reviews
Search Southwest flights
American AirlinesPriceFrom $269Free CancellationRating
7.1
11,766 reviews
Search American Airlines flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
9,910 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $359Free CancellationRating
7.9
12,602 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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1 adult
Thu 7/30
Thu 8/6

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