How long is the flight from Illinois to Santa Ana?

For as low as $269, Frontier can have you in Santa Ana from Illinois in 4h 32m. There are 1721 mi between Illinois and Santa Ana. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in Santa Ana ranges from 0.0 - 3.1 inches per month. February is typically the wettest month, when rainfall can reach 3.1 in. July is typically the driest time to visit Santa Ana when rainfall is around 0.0 in.

If weather is an important factor for your trip to Santa Ana, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 55.4 F).

What are the most popular routes from Illinois to Santa Ana?

While some choose either Chicago Midway - Santa Ana J. Wayne/Orange Cnty or Lambert-St Louis - Santa Ana J. Wayne/Orange Cnty, Chicago O'Hare Intl - Santa Ana J. Wayne/Orange Cnty is the most popular route from Illinois to Santa Ana.

What are the cheapest flights from Illinois to Santa Ana?

Looking at all options, your cheapest flight can be booked for $233. While the most popular route (Chicago O'Hare Intl - Santa Ana J. Wayne/Orange Cnty) can be booked for $141 on average our data indicates $701 when flying from Illinois to Santa Ana.

What are the most reliable airlines from Illinois to Santa Ana?

The top 3 most reliable airlines when flying from Illinois to Santa Ana are Qatar Airways (76%), American Airlines (76%) and Alaska Airlines (76%).

What are the most popular airlines that fly from Illinois to Santa Ana?

Before booking your flight from Illinois to Santa Ana check out the most popular airlines for this route: American Airlines, Alaska Airlines or Frontier.

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

Travelers have found it’s best to book a flight 25 days in advance to save up to 61% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 25 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Illinois to Santa Ana 1-2 weeks in advance for as low as $259, or $443 for flights within the next 24 hours.

What is the cheapest month to fly from Illinois to Santa Ana?

Our data shows that September tends to be the cheapest month to fly to Santa Ana from Illinois. Users have commonly found prices around $272 for the month, but tickets can be as low as $96. Due to multiple factors, prepare for potentially higher prices in December.

What airport do you fly into for flights to Santa Ana from Illinois?

If you book a flight to Santa Ana from Illinois, you will be flying to J. Wayne/Orange Cnty, which is the city’s only airport. Santa Ana J. Wayne/Orange Cnty (SNA) is located 4.8 mi from the center of Santa Ana.

Can I find deals for flights from Illinois to Santa Ana that include hotel bookings?

Yes. In addition to deals on Illinois to Santa Ana flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Illinois to Santa Ana?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Santa Ana.

Can I find deals for business class flights from Illinois to Santa Ana?

Yes. Cheapflights offers flight deals from Illinois to Santa Ana by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$71+ Cheap Flights from Illinois to Santa Ana

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Cheap flight deals from Illinois to Santa Ana

Round-trip from	$155 (Kiwi.com)
One-way from	$71 (Cheapflightsfares)
Popular in	December
Cheapest in	September
Average price	$229
Good round-trip deal	$278 or less
Good one-way deal	$273 or less

From Illinois to Santa Ana J. Wayne/Orange Cnty

Search Deals

One-way flight from Illinois to Santa Ana J. Wayne/Orange Cnty

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Highest demand for flights based on searches. 10% potential increase in price ($31 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Price to beat on a round-trip flight from Illinois to Santa Ana J. Wayne/Orange Cnty.

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Price to beat on a one-way flight from Illinois to Santa Ana J. Wayne/Orange Cnty.

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Find flight deals from Illinois to Santa Ana

Cheapest flights from Illinois to Santa Ana
Explore the most affordable flight options available from Illinois to Santa Ana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 3, 2025.

Mon 9/157:55 pmSTL - SNA

1 stop18h 18mFrontier

Thu 9/187:16 pmSNA - STL

1 stop16h 37mFrontier

Deal found 9/2

$155

Tue 9/167:55 pmSTL - SNA

1 stop18h 18mFrontier

Thu 9/187:16 pmSNA - STL

1 stop16h 37mFrontier

Deal found 9/2

$156

Fri 10/37:55 pmSTL - SNA

1 stop18h 18mFrontier

Fri 10/102:35 pmSNA - STL

1 stop5h 39mFrontier

Deal found 9/3

$161

Fri 10/318:40 pmSTL - SNA

1 stop18h 55mFrontier

Sun 11/28:16 pmSNA - STL

1 stop15h 41mFrontier

Deal found 9/2

$168

Fri 10/318:40 pmSTL - SNA

1 stop18h 55mFrontier

Mon 11/312:01 pmSNA - STL

1 stop19h 06mFrontier

Deal found 9/1

$169

Sat 11/18:40 pmSTL - SNA

1 stop17h 36mFrontier

Mon 11/312:01 pmSNA - STL

1 stop19h 06mFrontier

Deal found 9/1

$189

Sat 9/277:55 pmSTL - SNA

1 stop17h 12mFrontier

Sat 10/412:58 pmSNA - STL

1 stop18h 08mFrontier

Deal found 9/2

$200

Tue 9/167:55 pmSTL - SNA

1 stop18h 18mMultiple Airlines

Thu 9/186:45 amSNA - STL

2 stops24h 21mMultiple Airlines

Deal found 9/2

$203

Wed 10/157:52 pmSTL - SNA

1 stop17h 24mFrontier

Sun 10/198:34 pmSNA - STL

1 stop13h 09mFrontier

Deal found 9/1

$210

Fri 10/39:32 pmSTL - SNA

2 stops26h 33mMultiple Airlines

Fri 10/102:35 pmSNA - STL

1 stop5h 39mMultiple Airlines

Deal found 9/3

$216

Mon 10/67:55 pmSTL - SNA

2 stops25h 19mMultiple Airlines

Sun 10/1212:01 pmSNA - STL

1 stop19h 06mMultiple Airlines

Deal found 8/31

$230

Fri 10/249:59 pmSTL - SNA

2 stops17h 36mFrontier

Sun 10/268:34 pmSNA - STL

1 stop13h 09mFrontier

Deal found 9/3

$232

Best flights from Illinois to Santa Ana
Discover carefully curated flight deals from Illinois to Santa Ana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 3, 2025.

Mon 9/157:55 pmSTL - SNA

1 stop18h 18mFrontier

Thu 9/187:16 pmSNA - STL

1 stop16h 37mFrontier

Deal found 9/2

$155

Thu 12/257:00 amORD - SNA

Nonstop4h 32mAmerican Airlines

Wed 12/313:04 pmSNA - ORD

Nonstop4h 21mAmerican Airlines

Deal found 9/2

$269

Fri 11/147:35 amORD - SNA

2 stops15h 24mSpirit Airlines

Sun 11/165:46 pmSNA - ORD

1 stop10h 39mSpirit Airlines

Deal found 9/2

$269

Thu 1/82:05 pmORD - SNA

1 stop8h 16mHawaiian Airlines

Thu 1/228:00 amSNA - ORD

1 stop7h 50mHawaiian Airlines

Deal found 9/2

$269

Fri 10/176:50 amORD - SNA

1 stop6h 26mMultiple Airlines

Tue 10/216:45 amSNA - ORD

1 stop12h 03mMultiple Airlines

Deal found 9/3

$269

Fri 1/166:50 pmORD - SNA

1 stop16h 00mAlaska Airlines

Wed 1/218:00 amSNA - ORD

1 stop7h 50mAlaska Airlines

Deal found 9/1

$269

Wed 9/246:00 amMDW - SNA

1 stop8h 42mDelta

Sat 9/278:00 amSNA - MDW

1 stop7h 35mDelta

Deal found 9/2

$289

Fri 11/74:15 pmMDW - SNA

1 stop7h 30mSouthwest

Mon 11/103:30 pmSNA - MDW

1 stop6h 50mSouthwest

Deal found 9/3

$289

Sat 9/276:30 amMLI - SNA

1 stop7h 11mUnited Airlines

Sat 10/111:48 pmSNA - MLI

1 stop6h 55mUnited Airlines

Deal found 9/2

$289

Tue 11/117:45 pmSTL - SNA

1 stop19h 50mFrontier

Tue 11/182:20 pmSNA - STL

1 stop16h 47mFrontier

Deal found 9/1

$155

Tue 9/167:55 pmSTL - SNA

1 stop18h 18mFrontier

Fri 9/198:38 pmSNA - STL

1 stop17h 25mFrontier

Deal found 9/2

$155

Fri 10/247:52 pmSTL - SNA

1 stop19h 43mFrontier

Sun 10/268:34 pmSNA - STL

1 stop13h 09mFrontier

Deal found 9/3

$156

Last-minute flights from Illinois to Santa Ana
Discover last-minute flight deals from Illinois to Santa Ana. Data last updated September 3, 2025 and is based on user searches.

Mon 9/157:55 pmSTL - SNA

1 stop18h 18mFrontier

Thu 9/187:16 pmSNA - STL

1 stop16h 37mFrontier

Deal found 9/2

$155

Tue 9/167:55 pmSTL - SNA

1 stop18h 18mFrontier

Thu 9/187:16 pmSNA - STL

1 stop16h 37mFrontier

Deal found 9/2

$156

Tue 9/167:55 pmSTL - SNA

1 stop18h 18mMultiple Airlines

Thu 9/186:45 amSNA - STL

2 stops24h 21mMultiple Airlines

Deal found 9/2

$203

Wed 9/177:55 pmSTL - SNA

1 stop17h 12mFrontier

Sat 9/2012:58 pmSNA - STL

1 stop18h 08mFrontier

Deal found 9/3

$177

Wed 9/177:55 pmSTL - SNA

2 stops18h 10mMultiple Airlines

Sat 9/2012:58 pmSNA - STL

1 stop18h 08mMultiple Airlines

Deal found 9/3

$225

Sat 9/277:55 pmSTL - SNA

1 stop17h 12mFrontier

Sat 10/412:58 pmSNA - STL

1 stop18h 08mFrontier

Deal found 9/2

$200

Wed 10/17:55 pmSTL - SNA

1 stop17h 12mFrontier

Sat 10/112:20 pmSNA - STL

1 stop16h 47mFrontier

Deal found 9/3

$189

Fri 10/37:55 pmSTL - SNA

1 stop18h 18mFrontier

Fri 10/102:35 pmSNA - STL

1 stop5h 39mFrontier

Deal found 9/3

$161

Fri 10/39:32 pmSTL - SNA

2 stops26h 33mMultiple Airlines

Fri 10/102:35 pmSNA - STL

1 stop5h 39mMultiple Airlines

Deal found 9/3

$216

Wed 10/157:52 pmSTL - SNA

1 stop17h 24mFrontier

Sun 10/198:34 pmSNA - STL

1 stop13h 09mFrontier

Deal found 9/1

$210

Fri 10/318:40 pmSTL - SNA

1 stop18h 55mFrontier

Sun 11/28:16 pmSNA - STL

1 stop15h 41mFrontier

Deal found 9/2

$168

Fri 10/318:40 pmSTL - SNA

1 stop18h 55mFrontier

Mon 11/312:01 pmSNA - STL

1 stop19h 06mFrontier

Deal found 9/1

$169

One-way flights from Illinois to Santa Ana
Search for one-way flight options from Illinois to Santa Ana. Find affordable one-way fares based on user searches. Data last updated September 3, 2025.

Mon 11/32:42 pmSTL - SNA

1 stop6h 06mFrontier

Deal found 9/2

$71

Fri 10/37:55 pmSTL - SNA

1 stop18h 18mFrontier

Deal found 8/31

$77

Mon 9/157:55 pmSTL - SNA

1 stop18h 18mFrontier

Deal found 9/3

$83

Mon 11/36:35 amORD - SNA

1 stop14h 39mSpirit Airlines

Deal found 9/2

$99

Mon 10/209:54 pmORD - SNA

1 stop23h 20mMultiple Airlines

Deal found 9/1

$100

Tue 10/146:40 amORD - SNA

1 stop14h 34mSpirit Airlines

Deal found 9/2

$101

Wed 10/156:35 amORD - SNA

1 stop14h 39mSpirit Airlines

Deal found 9/3

$102

Sun 10/266:24 pmMDW - SNA

1 stop18h 52mFrontier

Deal found 9/2

$103

Sun 11/162:42 pmSTL - SNA

1 stop6h 49mFrontier

Deal found 9/2

$103

Mon 10/273:36 pmORD - SNA

2 stops8h 27mSpirit Airlines

Deal found 9/2

$104

Sat 10/254:45 pmORD - SNA

1 stop7h 18mSpirit Airlines

Deal found 9/1

$105

Sat 10/114:45 pmORD - SNA

1 stop7h 18mSpirit Airlines

Deal found 9/2

$106

Cheapflights Fare Finder

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

Mon 9/15

7:55 pm-12:13 pm

1 stop18h 18m

Santa Ana J. Wayne/Orange Cnty

Thu 9/18

7:16 pm-1:53 pm

1 stop16h 37m

$155

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Tue 11/11

7:45 pm-1:35 pm

1 stop19h 50m

Santa Ana J. Wayne/Orange Cnty

Tue 11/18

2:20 pm-9:07 am

1 stop16h 47m

$155

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Tue 9/16

7:55 pm-12:13 pm

1 stop18h 18m

Santa Ana J. Wayne/Orange Cnty

Fri 9/19

8:38 pm-4:03 pm

1 stop17h 25m

$155

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Fri 10/24

7:52 pm-1:35 pm

1 stop19h 43m

Santa Ana J. Wayne/Orange Cnty

Sun 10/26

8:34 pm-11:43 am

1 stop13h 09m

$156

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Tue 9/16

7:55 pm-12:13 pm

1 stop18h 18m

Santa Ana J. Wayne/Orange Cnty

Thu 9/18

7:16 pm-1:53 pm

1 stop16h 37m

$156

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Fri 10/3

7:55 pm-12:13 pm

1 stop18h 18m

Santa Ana J. Wayne/Orange Cnty

Fri 10/10

2:35 pm-10:14 pm

1 stop5h 39m

$161

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Fri 10/31

8:40 pm-1:35 pm

1 stop18h 55m

Santa Ana J. Wayne/Orange Cnty

Sun 11/2

8:16 pm-1:57 pm

1 stop15h 41m

$168

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Fri 10/31

8:40 pm-1:35 pm

1 stop18h 55m

Santa Ana J. Wayne/Orange Cnty

Mon 11/3

12:01 pm-9:07 am

1 stop19h 06m

$169

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Wed 9/17

7:55 pm-11:07 am

1 stop17h 12m

Santa Ana J. Wayne/Orange Cnty

Sat 9/20

12:58 pm-9:06 am

1 stop18h 08m

$177

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Wed 10/1

7:55 pm-11:07 am

1 stop17h 12m

Santa Ana J. Wayne/Orange Cnty

Sat 10/11

2:20 pm-9:07 am

1 stop16h 47m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/2

Showing 1-10 of 51 results

...

Best time to book a flight from Illinois to Santa Ana

Have a flexible travel schedule? Discover the best time to fly to Santa Ana from Illinois with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Santa Ana

What is the cheapest month to book a flight from Illinois to Santa Ana?

Currently, January is the cheapest month in which you can book a flight from Illinois to Santa Ana (average of $298). Flying from Illinois to Santa Ana in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to SNA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Santa Ana as you normally would.

Weekly flight availability from Illinois to Santa Ana

The most flights from USIL to SNA are scheduled on a Monday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Related info for your journey

What airport do you fly into for flights to Santa Ana from Illinois?
If you book a flight to Santa Ana from Illinois, you will be flying to J. Wayne/Orange Cnty, which is the city’s only airport. Santa Ana J. Wayne/Orange Cnty (SNA) is located 4.8 mi from the center of Santa Ana.
How long is the flight from Illinois to Santa Ana?
For as low as $269, Frontier can have you in Santa Ana from Illinois in 4h 32m. There are 1721 mi between Illinois and Santa Ana. Both multi-stop and nonstop flights can be found to your destination and back.
What are the most popular routes from Illinois to Santa Ana?
While some choose either Chicago Midway - Santa Ana J. Wayne/Orange Cnty or Lambert-St Louis - Santa Ana J. Wayne/Orange Cnty, Chicago O'Hare Intl - Santa Ana J. Wayne/Orange Cnty is the most popular route from Illinois to Santa Ana.
What are the most reliable airlines from Illinois to Santa Ana?
The top 3 most reliable airlines when flying from Illinois to Santa Ana are Qatar Airways (76%), American Airlines (76%) and Alaska Airlines (76%).
What are the cheapest flights from Illinois to Santa Ana?
Looking at all options, your cheapest flight can be booked for $233. While the most popular route (Chicago O'Hare Intl - Santa Ana J. Wayne/Orange Cnty) can be booked for $141 on average our data indicates $701 when flying from Illinois to Santa Ana.
Can I find deals for flights from Illinois to Santa Ana that include hotel bookings?
Yes. In addition to deals on Illinois to Santa Ana flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Illinois to Santa Ana?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Santa Ana.
Can I find deals for business class flights from Illinois to Santa Ana?
Yes. Cheapflights offers flight deals from Illinois to Santa Ana by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Illinois to Santa Ana?
Currently, January is the cheapest month in which you can book a flight from Illinois to Santa Ana (average of $298). Flying from Illinois to Santa Ana in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 6 airlines flying from Illinois to Santa Ana

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$99	Average$178	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$109	Average$201	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$234	Average$483	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$279	Average$449	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$288	Average$440	FlexibilityNo cancel fee	On-time63%
Alaska Airlines	Cheapest$336	Average$471	FlexibilityNo cancel fee	On-time75%

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$71+ Cheap flights from Illinois to Santa Ana (SNA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Illinois to Santa Ana with Cheapflights

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Cheap flight deals from Illinois to Santa Ana

Keep the following information in mind while searching for Illinois to Santa Ana flight deals. Data was last updated September 3, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Illinois to Santa Ana

Cheapest flights from Illinois to Santa AnaExplore the most affordable flight options available from Illinois to Santa Ana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 3, 2025.

Explore the most affordable flight options available from Illinois to Santa Ana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Santa Ana that are best for you.

Best time to book a flight from Illinois to Santa Ana

Have a flexible travel schedule? Discover the best time to fly to Santa Ana from Illinois with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Santa Ana

What is the cheapest month to book a flight from Illinois to Santa Ana?

What is the cheapest time of day to fly from IL to SNA?

Find hourly flight availability from Illinois to Santa Ana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 3, 2025.

Weekly flight availability from Illinois to Santa Ana

Related info for your journey

Find useful and relevant information for your journey from Illinois to Santa Ana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Santa Ana from Illinois?

How long is the flight from Illinois to Santa Ana?

What are the most popular routes from Illinois to Santa Ana?

What are the most reliable airlines from Illinois to Santa Ana?

What are the cheapest flights from Illinois to Santa Ana?

Can I find deals for flights from Illinois to Santa Ana that include hotel bookings?

How can I find direct flights from Illinois to Santa Ana?

Can I find deals for business class flights from Illinois to Santa Ana?

What is the cheapest month to book a flight from Illinois to Santa Ana?

Traveling to a place near Santa Ana?

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Alternative routes for Illinois to Santa Ana

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Top 6 airlines flying from Illinois to Santa Ana

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Cheapest flights from Illinois to Santa Ana
Explore the most affordable flight options available from Illinois to Santa Ana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 3, 2025.