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Cheap flights from Illinois to Los Angeles from $72

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 10/20. 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 round-trip flights

Frontier Logo
7:45 pm - 11:16 amSTL-SNA
17h 31m1 stop
Frontier Logo
2:20 pm - 9:07 amSNA-STL
16h 47m1 stop
$157Frontier
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Thu, Nov 6 - Tue, Nov 11
Frontier Logo
7:55 pm - 12:13 pmSTL-SNA
18h 18m1 stop
Frontier Logo
12:58 pm - 9:06 amSNA-STL
18h 08m1 stop
$166Frontier
Find Deal
Mon, Sep 8 - Tue, Sep 16
Logo
8:25 am - 11:07 amORD-SNA
28h 42m1 stop
Logo
2:15 pm - 10:42 amSNA-ORD
18h 27m2 stops
$253
Find Deal
Sat, Sep 13 - Sat, Sep 20
Spirit Airlines Logo
9:00 am - 10:05 pmORD-SNA
15h 05m1 stop
Spirit Airlines Logo
6:45 am - 10:42 amSNA-ORD
25h 57m3 stops
$255Spirit Airlines
Find Deal
Mon, Sep 8 - Fri, Sep 12
Spirit Airlines Logo
6:35 am - 7:14 pmORD-SNA
14h 39m1 stop
Spirit Airlines Logo
5:46 pm - 6:25 amSNA-ORD
10h 39m1 stop
$256Spirit Airlines
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Thu, Oct 23 - Mon, Dec 8
Logo
6:00 am - 11:07 amORD-SNA
7h 07m1 stop
Logo
1:00 pm - 11:51 amSNA-ORD
20h 51m1 stop
$257
Find Deal
Thu, Sep 18 - Sun, Sep 21
Alaska Airlines Logo
1:01 pm - 9:42 pmORD-SNA
10h 41m1 stop
Alaska Airlines Logo
6:17 pm - 5:00 amSNA-ORD
8h 43m1 stop
$268Alaska Airlines
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Fri, Sep 19 - Fri, Sep 26
American Airlines Logo
6:45 am - 9:04 amORD-SNA
4h 19mnonstop
American Airlines Logo
3:10 pm - 9:18 pmSNA-ORD
4h 08mnonstop
$269American Airlines
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Thu, Sep 25 - Tue, Sep 30
American Airlines Logo
8:15 am - 10:43 amORD-SNA
4h 28mnonstop
American Airlines Logo
3:10 pm - 9:18 pmSNA-ORD
4h 08mnonstop
$270American Airlines
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Fri, Sep 5 - Sat, Sep 13
Alaska Airlines Logo
3:35 pm - 10:30 pmSTL-SNA
8h 55m1 stop
Alaska Airlines Logo
6:17 pm - 2:39 pmSNA-STL
18h 22m2 stops
$403Alaska Airlines
Find Deal
Sat, Sep 20 - Mon, Sep 22

Frontier flights from Illinois to Santa Ana

Our best Frontier deals on Illinois to Santa Ana flight tickets
Frontier
Nov 6
STL7:45 pmLambert-St Louis
17h 31m
1 stop
SNA11:16 amSanta Ana J. Wayne/Orange Cnty
Nov 11
SNA2:20 pmSanta Ana J. Wayne/Orange Cnty
16h 47m
1 stop
STL9:07 amLambert-St Louis
$157
Find similar
Frontier
Sep 8
STL7:55 pmLambert-St Louis
18h 18m
1 stop
SNA12:13 pmSanta Ana J. Wayne/Orange Cnty
Sep 16
SNA12:58 pmSanta Ana J. Wayne/Orange Cnty
18h 08m
1 stop
STL9:06 amLambert-St Louis
$166
Find similar
Frontier
Sep 8
STL7:55 pmLambert-St Louis
18h 18m
1 stop
SNA12:13 pmSanta Ana J. Wayne/Orange Cnty
Sep 12
SNA11:52 amSanta Ana J. Wayne/Orange Cnty
19h 14m
1 stop
STL9:06 amLambert-St Louis
$169
Find similar

Delta flights from Illinois to Santa Ana

Our best Delta deals on Illinois to Santa Ana flight tickets
Delta
Oct 28
MDW5:04 pmChicago Midway
7h 24m
1 stop
SNA10:28 pmSanta Ana J. Wayne/Orange Cnty
Nov 5
SNA8:00 amSanta Ana J. Wayne/Orange Cnty
7h 43m
1 stop
MDW5:43 pmChicago Midway
$277
Find similar
Delta
Oct 7
ORD2:25 pmChicago O'Hare Intl
9h 52m
1 stop
SNA10:17 pmSanta Ana J. Wayne/Orange Cnty
Oct 16
SNA7:15 amSanta Ana J. Wayne/Orange Cnty
7h 55m
1 stop
ORD5:10 pmChicago O'Hare Intl
$283
Find similar
Delta
Oct 4
ORD7:10 amChicago O'Hare Intl
9h 30m
1 stop
SNA2:40 pmSanta Ana J. Wayne/Orange Cnty
Oct 17
SNA11:05 amSanta Ana J. Wayne/Orange Cnty
10h 45m
1 stop
ORD11:50 pmChicago O'Hare Intl
$289
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Santa Ana 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 August 25, 2025.
Use the filters below to find and compare flights from Illinois to Santa Ana that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Thu 11/6

7:45 pm-11:16 am

1 stop17h 31m

Santa Ana J. Wayne/Orange Cnty

Tue 11/11

2:20 pm-9:07 am

1 stop16h 47m

$157

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Mon 9/8

7:55 pm-12:13 pm

1 stop18h 18m

Santa Ana J. Wayne/Orange Cnty

Tue 9/16

12:58 pm-9:06 am

1 stop18h 08m

$166

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Sat 9/13

8:25 am-11:07 am

1 stop28h 42m

Santa Ana J. Wayne/Orange Cnty

Sat 9/20

2:15 pm-10:42 am

2 stops18h 27m

$253

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Mon 9/8

9:00 am-10:05 pm

1 stop15h 05m

Santa Ana J. Wayne/Orange Cnty

Fri 9/12

6:45 am-10:42 am

3 stops25h 57m

$255

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Thu 10/23

6:35 am-7:14 pm

1 stop14h 39m

Santa Ana J. Wayne/Orange Cnty

Mon 12/8

5:46 pm-6:25 am

1 stop10h 39m

$256

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Thu 9/18

6:00 am-11:07 am

1 stop7h 07m

Santa Ana J. Wayne/Orange Cnty

Sun 9/21

1:00 pm-11:51 am

1 stop20h 51m

$257

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Fri 9/19

1:01 pm-9:42 pm

1 stop10h 41m

Santa Ana J. Wayne/Orange Cnty

Fri 9/26

6:17 pm-5:00 am

1 stop8h 43m

$268

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Thu 9/25

6:45 am-9:04 am

Nonstop4h 19m

Santa Ana J. Wayne/Orange Cnty

Tue 9/30

3:10 pm-9:18 pm

Nonstop4h 08m

$269

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Fri 9/5

8:15 am-10:43 am

Nonstop4h 28m

Santa Ana J. Wayne/Orange Cnty

Sat 9/13

3:10 pm-9:18 pm

Nonstop4h 08m

$270

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Sat 9/20

3:35 pm-10:30 pm

1 stop8h 55m

Santa Ana J. Wayne/Orange Cnty

Mon 9/22

6:17 pm-2:39 pm

2 stops18h 22m

$403

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

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?

The cheapest month to fly to Santa Ana from Illinois is in September. Flight prices, which tend to average around $325, are often lower during this time because this is during the off-season. The month of July is another great option to travel to Santa Ana, with average flight prices from Illinois averaging around $348.

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

On average, the least expensive day to fly to Santa Ana from Illinois is on a Saturday. momondo users have found tickets for Saturday departures for as low as $367. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $473.

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

Our data shows that the cheapest Illinois to Santa Ana flights are usually those with departure times in the morning. Our users have found flights to Santa Ana in the morning for as low as $380. Try not to purchase tickets in the evening because they tend to be around $452. Of course, these prices can vary depending on the time of year and what airport you fly to.

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?

You are more likely to see cheaper flights to Santa Ana from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Santa Ana for around $385 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Santa Ana from Illinois for as low as $325 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.

Cheap Illinois to Santa Ana flight deals and tips

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

Best Price Found

$273

Fastest flight time

4h 17m

Direct flights

Every day

Airports in Santa Ana

1 airport
The best one-way flight to Santa Ana from Illinois in the past 72 hours is $273. The best round-trip flight deal from Illinois to Santa Ana found on momondo in the last 72 hours is $269.
The fastest flight from Illinois to Santa Ana takes 4h 17m
Direct flights go from Illinois to Santa Ana every day.
There is 1 airport near Santa Ana: 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?

Best airlines flying from Illinois to Santa Ana

Compare and see reviews for airlines that fly from Illinois to Santa Ana with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $99Free CancellationRating
6.3
8,028 reviews
Search Spirit Airlines flights
FrontierPriceFrom $109Free CancellationRating
5.8
3,201 reviews
Search Frontier flights
American AirlinesPriceFrom $234Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $283Free CancellationRating
7.4
8,940 reviews
Search United Airlines flights
SouthwestPriceFrom $288Free CancellationRating
8.0
4,243 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $336Free CancellationRating
8.0
10,000 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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