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Cheap flights from Santa Ana to Illinois from $82

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Santa Ana to Illinois departing on 10/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Santa Ana to Illinois

Cheap round-trip flights

Frontier Logo
7:16 pm - 8:40 pmSNA-STL
23h 24m1 stop
Frontier Logo
7:55 pm - 12:13 pmSTL-SNA
18h 18m1 stop
$169Frontier
Find Deal
jue., sep. 11 - lun., sep. 15
Frontier Logo
12:01 pm - 9:07 amSNA-STL
19h 06m1 stop
Frontier Logo
7:45 pm - 1:35 pmSTL-SNA
19h 50m1 stop
$175Frontier
Find Deal
vie., nov. 7 - mar., nov. 11
American Airlines Logo
2:59 pm - 9:09 pmSNA-ORD
4h 10mnonstop
American Airlines Logo
8:20 am - 10:48 amORD-SNA
4h 28mnonstop
$269American Airlines
Find Deal
vie., oct. 10 - mar., oct. 14
Spirit Airlines Logo
8:30 pm - 4:50 amSNA-ORD
6h 20m1 stop
Spirit Airlines Logo
12:46 pm - 10:05 pmORD-SNA
11h 19m1 stop
$270Spirit Airlines
Find Deal
dom., ago. 31 - sáb., sep. 6
Spirit Airlines Logo
8:30 pm - 4:50 amSNA-ORD
6h 20m1 stop
Spirit Airlines Logo
9:00 am - 1:15 pmORD-SNA
6h 15m1 stop
$271Spirit Airlines
Find Deal
mié., sep. 3 - sáb., sep. 6
United Airlines Logo
1:48 pm - 7:59 pmSNA-ORD
4h 11mnonstop
United Airlines Logo
5:01 am - 9:17 amORD-SNA
6h 16m1 stop
$275United Airlines
Find Deal
vie., oct. 24 - sáb., oct. 25
Alaska Airlines Logo
9:25 pm - 5:01 amSNA-ORD
29h 36m1 stop
Alaska Airlines Logo
8:05 am - 10:42 amORD-SNA
4h 37mnonstop
$277Alaska Airlines
Find Deal
vie., nov. 7 - dom., nov. 9
United Airlines Logo
1:48 pm - 7:59 pmSNA-ORD
4h 11mnonstop
United Airlines Logo
6:00 am - 11:06 amORD-SNA
7h 06m1 stop
$279United Airlines
Find Deal
vie., sep. 26 - jue., oct. 2
American Airlines Logo
7:55 am - 2:05 pmSNA-ORD
4h 10mnonstop
American Airlines Logo
6:45 am - 9:04 amORD-SNA
4h 19mnonstop
$294American Airlines
Find Deal
mié., sep. 3 - lun., sep. 8
Alaska Airlines Logo
6:45 am - 5:34 pmSNA-STL
8h 49m1 stop
Alaska Airlines Logo
6:30 pm - 9:49 amSTL-SNA
17h 19m1 stop
$385Alaska Airlines
Find Deal
mar., sep. 9 - lun., sep. 22

Spirit Airlines flights from Santa Ana to Illinois

Our best Spirit Airlines deals on Santa Ana to Illinois flight tickets
Spirit Airlines
Aug 31
SNA8:30 pmSanta Ana J. Wayne/Orange Cnty
6h 20m
1 stop
ORD4:50 amChicago O'Hare Intl
Sep 6
ORD12:46 pmChicago O'Hare Intl
11h 19m
1 stop
SNA10:05 pmSanta Ana J. Wayne/Orange Cnty
$270
Find similar
Spirit Airlines
Sep 3
SNA8:30 pmSanta Ana J. Wayne/Orange Cnty
6h 20m
1 stop
ORD4:50 amChicago O'Hare Intl
Sep 6
ORD9:00 amChicago O'Hare Intl
6h 15m
1 stop
SNA1:15 pmSanta Ana J. Wayne/Orange Cnty
$271
Find similar
Spirit Airlines
Sep 6
SNA2:15 pmSanta Ana J. Wayne/Orange Cnty
18h 27m
2 stops
ORD10:42 amChicago O'Hare Intl
Sep 9
ORD9:00 amChicago O'Hare Intl
6h 15m
1 stop
SNA1:15 pmSanta Ana J. Wayne/Orange Cnty
$272
Find similar

American Airlines flights from Santa Ana to Illinois

Our best American Airlines deals on Santa Ana to Illinois flight tickets
American Airlines
Oct 10
SNA2:59 pmSanta Ana J. Wayne/Orange Cnty
4h 10m
ORD9:09 pmChicago O'Hare Intl
Oct 14
ORD8:20 amChicago O'Hare Intl
4h 28m
SNA10:48 amSanta Ana J. Wayne/Orange Cnty
$269
Find similar
American Airlines
Sep 3
SNA7:55 amSanta Ana J. Wayne/Orange Cnty
4h 10m
ORD2:05 pmChicago O'Hare Intl
Sep 8
ORD6:45 amChicago O'Hare Intl
4h 19m
SNA9:04 amSanta Ana J. Wayne/Orange Cnty
$294
Find similar
American Airlines
Aug 31
SNA10:38 amSanta Ana J. Wayne/Orange Cnty
4h 14m
ORD4:52 pmChicago O'Hare Intl
Sep 6
ORD8:15 amChicago O'Hare Intl
4h 28m
SNA10:43 amSanta Ana J. Wayne/Orange Cnty
$295
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Santa Ana to Illinois 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 agosto 21, 2025.
Use the filters below to find and compare flights from Santa Ana to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

jue. 9/11

7:16 pm-8:40 pm

1 stop23h 24m

Lambert-St Louis

lun. 9/15

7:55 pm-12:13 pm

1 stop18h 18m

$169

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

vie. 11/7

12:01 pm-9:07 am

1 stop19h 06m

Lambert-St Louis

mar. 11/11

7:45 pm-1:35 pm

1 stop19h 50m

$175

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

vie. 10/10

2:59 pm-9:09 pm

Nonstop4h 10m

Chicago O'Hare Intl

mar. 10/14

8:20 am-10:48 am

Nonstop4h 28m

$269

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

dom. 8/31

8:30 pm-4:50 am

1 stop6h 20m

Chicago O'Hare Intl

sáb. 9/6

12:46 pm-10:05 pm

1 stop11h 19m

$270

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

mié. 9/3

8:30 pm-4:50 am

1 stop6h 20m

Chicago O'Hare Intl

sáb. 9/6

9:00 am-1:15 pm

1 stop6h 15m

$271

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

vie. 10/24

1:48 pm-7:59 pm

Nonstop4h 11m

Chicago O'Hare Intl

sáb. 10/25

5:01 am-9:17 am

1 stop6h 16m

$275

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

vie. 11/7

9:25 pm-5:01 am

1 stop29h 36m

Chicago O'Hare Intl

dom. 11/9

8:05 am-10:42 am

Nonstop4h 37m

$277

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

vie. 9/26

1:48 pm-7:59 pm

Nonstop4h 11m

Chicago O'Hare Intl

jue. 10/2

6:00 am-11:06 am

1 stop7h 06m

$279

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

mié. 9/3

7:55 am-2:05 pm

Nonstop4h 10m

Chicago O'Hare Intl

lun. 9/8

6:45 am-9:04 am

Nonstop4h 19m

$294

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

mar. 9/9

6:45 am-5:34 pm

1 stop8h 49m

Lambert-St Louis

lun. 9/22

6:30 pm-9:49 am

1 stop17h 19m

$385

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 Illinois from

How to get the cheapest flight ticket from Santa Ana to Illinois

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 Illinois?

The cheapest month to fly to Illinois from Santa Ana is in September. Flight prices, which tend to average around $351, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $355.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Santa Ana to Illinois is on a Wednesday when prices can be found for as low as $422. Flights from Santa Ana to Illinois on a Monday will generally be more expensive and average around $566. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Santa Ana to Illinois during this time can be as low as $332. Flights in the morning are often more expensive with an average ticket price of $470.

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

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

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Santa Ana when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $406 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Santa Ana for as low as $336 on momondo.

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

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

Cheap Santa Ana to Illinois flight deals and tips

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

Best Price Found

$212

Fastest flight time

4h 03m

Direct flights

Every day

Airports in Illinois

1 airport
The best one-way flight to Illinois from Santa Ana in the past 72 hours is $212. The best round-trip flight deal from Santa Ana to Illinois found on momondo in the last 72 hours is $347.
The fastest flight from Santa Ana to Illinois takes 4h 03m
Direct flights go from Santa Ana to Illinois every day.
There is 1 airport near Illinois: Chicago O'Hare Intl (ORD)
Search flight deals

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

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

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

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

    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 Santa Ana J. Wayne/Orange Cnty Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The required travel and health documents for your Illinois 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 Illinois. 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 Santa Ana to Illinois?

Best airlines flying from Santa Ana to Illinois

Compare and see reviews for airlines that fly from Santa Ana to Illinois with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $110Free CancellationRating
5.8
3,207 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $110Free CancellationRating
6.3
8,035 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $190Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $269Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $271Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights
SouthwestPriceFrom $312Free CancellationRating
8.0
4,245 reviews
Search Southwest flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Santa Ana to Illinois. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Illinois from Santa Ana with this policy.

How can momondo help me find flights from Santa Ana to Illinois?

Once all potential Santa Ana to Illinois 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 Santa Ana to Illinois right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Santa Ana and alert you when they change.

An easier way to manage your Illinois trip

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