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Cheap flights from Illinois to Los Angeles from $106

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 4/6. 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
12:16 pm - 12:19 pm
STL
-
SNA
26h 03m
1 stop
Frontier Logo
9:54 am - 7:23 pm
SNA
-
STL
7h 29m
1 stop
$196Frontier
Sun, May 10 - Sat, May 16
Frontier Logo
12:16 pm - 12:19 pm
STL
-
SNA
26h 03m
1 stop
Frontier Logo
8:14 pm - 6:06 pm
SNA
-
STL
19h 52m
1 stop
$210Frontier
Thu, May 7 - Mon, May 11
Multiple Airlines Logo
8:17 pm - 8:05 am
STL
-
SNA
37h 48m
2 stops
Multiple Airlines Logo
9:54 am - 7:23 pm
SNA
-
STL
7h 29m
1 stop
$240Multiple Airlines
Sat, May 2 - Sat, May 9
Multiple Airlines Logo
8:17 pm - 8:05 am
STL
-
SNA
37h 48m
2 stops
Multiple Airlines Logo
9:54 am - 7:23 pm
SNA
-
STL
7h 29m
1 stop
$251Multiple Airlines
Sat, Apr 18 - Sat, May 9
Spirit Airlines Logo
3:21 pm - 9:53 am
ORD
-
SNA
20h 32m
2 stops
Spirit Airlines Logo
3:23 pm - 5:25 am
SNA
-
ORD
12h 02m
1 stop
$285Spirit Airlines
Mon, Apr 13 - Sat, Apr 18
Southwest Logo
10:15 am - 5:35 pm
MDW
-
SNA
9h 20m
2 stops
Southwest Logo
6:45 am - 5:15 pm
SNA
-
MDW
8h 30m
2 stops
$285Southwest
Sat, May 2 - Sat, May 9
Spirit Airlines Logo
3:21 pm - 9:53 am
ORD
-
SNA
20h 32m
2 stops
Spirit Airlines Logo
3:23 pm - 5:25 am
SNA
-
ORD
12h 02m
1 stop
$286Spirit Airlines
Fri, Apr 10 - Wed, Apr 15
American Airlines Logo
6:40 pm - 9:13 pm
ORD
-
SNA
4h 33mnonstop
American Airlines Logo
3:09 pm - 9:40 pm
SNA
-
ORD
4h 31mnonstop
$289American Airlines
Wed, May 20 - Wed, May 27
American Airlines Logo
2:46 pm - 9:13 pm
BMI
-
SNA
8h 27m
1 stop
American Airlines Logo
1:36 pm - 11:52 pm
SNA
-
BMI
8h 16m
1 stop
$291American Airlines
Tue, Apr 28 - Sat, May 2
Southwest Logo
10:15 am - 6:10 pm
MDW
-
SNA
9h 55m
1 stop
Southwest Logo
8:15 pm - 5:45 am
SNA
-
MDW
7h 30m
1 stop
$297Southwest
Sat, May 2 - Fri, May 8

American Airlines flights from Illinois to Santa Ana

Our best American Airlines deals on Illinois to Santa Ana flight tickets
American Airlines
May 20
ORD6:40 pmChicago O'Hare Intl
4h 33m
SNA9:13 pmSanta Ana J. Wayne/Orange Cnty
May 27
SNA3:09 pmSanta Ana J. Wayne/Orange Cnty
4h 31m
ORD9:40 pmChicago O'Hare Intl
$289
American Airlines
Apr 28
BMI2:46 pmBloomington-Normal
8h 27m
1 stop
SNA9:13 pmSanta Ana J. Wayne/Orange Cnty
May 2
SNA1:36 pmSanta Ana J. Wayne/Orange Cnty
8h 16m
1 stop
BMI11:52 pmBloomington-Normal
$291
American Airlines
Apr 28
BMI11:16 amBloomington-Normal
8h 45m
2 stops
SNA6:01 pmSanta Ana J. Wayne/Orange Cnty
May 2
SNA6:45 amSanta Ana J. Wayne/Orange Cnty
6h 30m
1 stop
BMI3:15 pmBloomington-Normal
$296

Spirit Airlines flights from Illinois to Santa Ana

Our best Spirit Airlines deals on Illinois to Santa Ana flight tickets
Spirit Airlines
Apr 13
ORD3:21 pmChicago O'Hare Intl
20h 32m
2 stops
SNA9:53 amSanta Ana J. Wayne/Orange Cnty
Apr 18
SNA3:23 pmSanta Ana J. Wayne/Orange Cnty
12h 02m
1 stop
ORD5:25 amChicago O'Hare Intl
$285
Spirit Airlines
Apr 10
ORD3:21 pmChicago O'Hare Intl
20h 32m
2 stops
SNA9:53 amSanta Ana J. Wayne/Orange Cnty
Apr 15
SNA3:23 pmSanta Ana J. Wayne/Orange Cnty
12h 02m
1 stop
ORD5:25 amChicago O'Hare Intl
$286
Spirit Airlines
Jun 23
ORD9:59 pmChicago O'Hare Intl
18h 56m
1 stop
SNA2:55 pmSanta Ana J. Wayne/Orange Cnty
Jun 30
SNA3:50 pmSanta Ana J. Wayne/Orange Cnty
19h 09m
1 stop
ORD12:59 pmChicago O'Hare Intl
$290

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 March 24, 2026.
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

Cheapest round-trip

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Sun 5/10

12:16 pm-12:19 pm

1 stop26h 03m

Santa Ana J. Wayne/Orange Cnty

Sat 5/16

9:54 am-7:23 pm

1 stop7h 29m

$196

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Thu 5/7

12:16 pm-12:19 pm

1 stop26h 03m

Santa Ana J. Wayne/Orange Cnty

Mon 5/11

8:14 pm-6:06 pm

1 stop19h 52m

$210

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Sat 5/2

8:17 pm-8:05 am

2 stops37h 48m

Santa Ana J. Wayne/Orange Cnty

Sat 5/9

9:54 am-7:23 pm

1 stop7h 29m

$240

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Sat 4/18

8:17 pm-8:05 am

2 stops37h 48m

Santa Ana J. Wayne/Orange Cnty

Sat 5/9

9:54 am-7:23 pm

1 stop7h 29m

$251

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Mon 4/13

3:21 pm-9:53 am

2 stops20h 32m

Santa Ana J. Wayne/Orange Cnty

Sat 4/18

3:23 pm-5:25 am

1 stop12h 02m

$285

ChicagoSanta Ana

MDW - SNA

MDWSNA

Chicago Midway

Sat 5/2

10:15 am-5:35 pm

2 stops9h 20m

Santa Ana J. Wayne/Orange Cnty

Sat 5/9

6:45 am-5:15 pm

2 stops8h 30m

$285

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Fri 4/10

3:21 pm-9:53 am

2 stops20h 32m

Santa Ana J. Wayne/Orange Cnty

Wed 4/15

3:23 pm-5:25 am

1 stop12h 02m

$286
Quickest round-trip

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Wed 5/20

6:40 pm-9:13 pm

Nonstop4h 33m

Santa Ana J. Wayne/Orange Cnty

Wed 5/27

3:09 pm-9:40 pm

Nonstop4h 31m

$289

BloomingtonSanta Ana

BMI - SNA

BMISNA

Bloomington-Normal

Tue 4/28

2:46 pm-9:13 pm

1 stop8h 27m

Santa Ana J. Wayne/Orange Cnty

Sat 5/2

1:36 pm-11:52 pm

1 stop8h 16m

$291

ChicagoSanta Ana

MDW - SNA

MDWSNA

Chicago Midway

Sat 5/2

10:15 am-6:10 pm

1 stop9h 55m

Santa Ana J. Wayne/Orange Cnty

Fri 5/8

8:15 pm-5:45 am

1 stop7h 30m

$297

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 $307, are often lower during this time because this is during the off-season. The month of May is another great option to travel to Santa Ana, with average flight prices from Illinois averaging around $344.

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 $358. 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 $471.

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 $373. Try not to purchase tickets in the evening because they tend to be around $405. 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 $373 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 $310 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 flights?

You could potentially save up to 2% on your flight if you consider stops on a Illinois to Santa Ana flight.

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

$218

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 $218. The best round-trip flight deal from Illinois to Santa Ana found on momondo in the last 72 hours is $343.
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 in Santa Ana. From Illinois there are direct flights to 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 $69Free CancellationRating
6.3
8,538 reviews
Search Spirit Airlines flights
FrontierPriceFrom $129Free CancellationRating
5.7
3,017 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $248Free CancellationRating
7.9
12,107 reviews
Search Alaska Airlines flights
JetBluePriceFrom $258Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
SouthwestPriceFrom $265Free CancellationRating
8.0
4,332 reviews
Search Southwest flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
9,476 reviews
Search United Airlines flights
American AirlinesPriceFrom $269Free CancellationRating
7.1
11,493 reviews
Search American 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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