What are the cheapest airlines to fly from Santa Ana to Illinois one-way?

For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $99. Users have also found prices from $107 and $124 on Frontier and Alaska Airlines, respectively.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July 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 23.0 F).

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

When deciding which route to take from Santa Ana to Illinois consider Santa Ana J. Wayne/Orange Cnty - Chicago O'Hare Intl, Santa Ana J. Wayne/Orange Cnty - Chicago Midway or Santa Ana J. Wayne/Orange Cnty - Lambert-St Louis as they are the most popular.

What are the cheapest flights from Santa Ana to Illinois?

Looking for the cheapest flight from Santa Ana to Illinois? While on average our users pay $1,222, our data indicates the cheapest price to be $142. The most popular route (Santa Ana J. Wayne/Orange Cnty - Chicago O'Hare Intl), is priced around $123.

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

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Santa Ana to Illinois on time: Emirates (93%), Brussels Airlines (93%), United Airlines (88%).

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

Before booking your flight from Santa Ana to Illinois 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 Santa Ana to Illinois?

Travelers have found it’s best to book a flight 57 days in advance to save up to 90% 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 57 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 Santa Ana to Illinois 1-2 weeks in advance for as low as $313, or $451 for flights within the next 24 hours.

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

February can be a great time to fly to Illinois from Santa Ana with a flight ticket averaging about $293. Cheapflights users have found deals in the month of February for as cheap as $96. The most expensive prices can be found in the month of December.

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

Most people fly from Santa Ana J. Wayne/Orange Cnty (SNA) if they book a flight from Santa Ana to Illinois. Santa Ana J. Wayne/Orange Cnty is conveniently located just 4.8 mi from Santa Ana’s city center.

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

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

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

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

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

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

$99+ Flights from Santa Ana to Illinois

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Cheap flight deals from Santa Ana to Illinois

Round-trip from	$219 (FlightHub)
One-way from	$99 (CheapOair)
Popular in	December
Cheapest in	February
Average price	$307
Good round-trip deal	$316 or less
Good one-way deal	$217 or less

From Santa Ana J. Wayne/Orange Cnty to Illinois

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

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Highest demand for flights based on searches. 7% potential increase in price ($23 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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

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

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Find flight deals from Santa Ana to Illinois

Cheapest flights from Santa Ana to Illinois
Explore the most affordable flight options available from Santa Ana to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Wed 9/2412:32 pmSNA - STL

1 stop20h 18mSpirit Airlines

Sun 9/2812:05 pmSTL - SNA

1 stop25h 30mSpirit Airlines

Deal found 7/30

$219

Wed 9/1712:58 pmSNA - STL

1 stop18h 08mFrontier

Wed 9/247:55 pmSTL - SNA

1 stop17h 12mFrontier

Deal found 7/30

$225

Wed 9/36:45 amSNA - STL

1 stop8h 49mAlaska Airlines

Sat 9/63:35 pmSTL - SNA

1 stop8h 55mAlaska Airlines

Deal found 7/29

$267

Wed 8/2011:34 amSNA - ORD

Nonstop4h 14mAmerican Airlines

Sat 8/236:48 pmORD - SNA

Nonstop4h 32mAmerican Airlines

Deal found 7/30

$269

Sun 8/107:58 pmSNA - ORD

1 stop8h 05mSpirit Airlines

Mon 8/185:35 pmORD - SNA

1 stop5h 46mSpirit Airlines

Deal found 7/30

$270

Fri 10/31:48 pmSNA - ORD

Nonstop4h 11mUnited Airlines

Sun 10/55:01 amORD - SNA

1 stop6h 16mUnited Airlines

Deal found 7/29

$275

Mon 9/19:20 pmSNA - STL

1 stop9h 55mDelta

Thu 9/116:01 amSTL - SNA

1 stop7h 02mDelta

Deal found 7/29

$277

Thu 8/286:45 amSNA - MLI

1 stop11h 12mMultiple Airlines

Thu 9/412:36 pmMLI - SNA

1 stop11h 29mMultiple Airlines

Deal found 7/29

$278

Wed 10/299:20 amSNA - STL

2 stops6h 30mSouthwest

Tue 11/42:40 pmSTL - SNA

1 stop6h 10mSouthwest

Deal found 7/30

$278

Wed 9/246:45 amSNA - MDW

1 stop8h 50mDelta

Tue 9/306:00 amMDW - SNA

1 stop8h 42mDelta

Deal found 7/28

$279

Wed 8/67:58 pmSNA - ORD

2 stops19h 12mMultiple Airlines

Fri 8/82:15 pmORD - SNA

1 stop7h 31mMultiple Airlines

Deal found 7/28

$283

Tue 9/29:39 amSNA - ORD

1 stop5h 51mDelta

Mon 9/83:30 pmORD - SNA

1 stop8h 42mDelta

Deal found 7/28

$284

Best flights from Santa Ana to Illinois
Discover carefully curated flight deals from Santa Ana to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2025.

Wed 9/2412:32 pmSNA - STL

1 stop20h 18mSpirit Airlines

Sun 9/2812:05 pmSTL - SNA

1 stop25h 30mSpirit Airlines

Deal found 7/30

$219

Wed 9/1712:58 pmSNA - STL

1 stop18h 08mFrontier

Wed 9/247:55 pmSTL - SNA

1 stop17h 12mFrontier

Deal found 7/30

$225

Wed 9/36:45 amSNA - STL

1 stop8h 49mAlaska Airlines

Sat 9/63:35 pmSTL - SNA

1 stop8h 55mAlaska Airlines

Deal found 7/29

$267

Wed 8/2011:34 amSNA - ORD

Nonstop4h 14mAmerican Airlines

Sat 8/236:48 pmORD - SNA

Nonstop4h 32mAmerican Airlines

Deal found 7/30

$269

Fri 10/31:48 pmSNA - ORD

Nonstop4h 11mUnited Airlines

Sun 10/55:01 amORD - SNA

1 stop6h 16mUnited Airlines

Deal found 7/29

$275

Mon 9/19:20 pmSNA - STL

1 stop9h 55mDelta

Thu 9/116:01 amSTL - SNA

1 stop7h 02mDelta

Deal found 7/29

$277

Thu 8/286:45 amSNA - MLI

1 stop11h 12mMultiple Airlines

Thu 9/412:36 pmMLI - SNA

1 stop11h 29mMultiple Airlines

Deal found 7/29

$278

Wed 10/296:45 amSNA - STL

2 stops9h 05mSouthwest

Wed 11/52:40 pmSTL - SNA

1 stop6h 10mSouthwest

Deal found 7/30

$278

Sun 8/107:58 pmSNA - ORD

1 stop8h 05mSpirit Airlines

Mon 8/185:35 pmORD - SNA

1 stop5h 46mSpirit Airlines

Deal found 7/30

$270

Wed 9/246:45 amSNA - MDW

1 stop8h 50mDelta

Tue 9/306:00 amMDW - SNA

1 stop8h 42mDelta

Deal found 7/28

$279

Thu 8/218:30 pmSNA - ORD

1 stop6h 20mMultiple Airlines

Sun 8/246:00 amORD - SNA

1 stop8h 18mMultiple Airlines

Deal found 7/28

$287

Sat 8/911:56 amSNA - ORD

1 stop10h 36mFrontier

Mon 8/112:15 pmORD - SNA

1 stop7h 31mFrontier

Deal found 7/28

$288

Last-minute flights from Santa Ana to Illinois
Discover last-minute flight deals from Santa Ana to Illinois. Data last updated July 30, 2025 and is based on user searches.

Tue 8/57:58 pmSNA - ORD

1 stop8h 05mSpirit Airlines

Mon 8/113:18 pmORD - SNA

1 stop5h 45mSpirit Airlines

Deal found 7/29

$270

Tue 8/53:07 pmSNA - ORD

Nonstop4h 17mAmerican Airlines

Thu 9/48:15 amORD - SNA

Nonstop4h 28mAmerican Airlines

Deal found 7/29

$312

Tue 8/512:00 pmSNA - MDW

1 stop7h 42mDelta

Wed 8/131:43 pmMDW - SNA

1 stop8h 41mDelta

Deal found 7/28

$357

Tue 8/52:00 pmSNA - MDW

1 stop5h 50mSouthwest

Sat 8/98:25 amMDW - SNA

1 stop9h 05mSouthwest

Deal found 7/28

$396

Wed 8/67:58 pmSNA - ORD

2 stops19h 12mMultiple Airlines

Fri 8/82:15 pmORD - SNA

1 stop7h 31mMultiple Airlines

Deal found 7/28

$283

Wed 8/67:58 pmSNA - RFD

1 stop13h 56mMultiple Airlines

Sun 8/1012:44 pmRFD - SNA

1 stop10h 37mMultiple Airlines

Deal found 7/30

$339

Wed 8/66:45 amSNA - PIA

1 stop7h 58mUnited Airlines

Wed 8/133:39 pmPIA - SNA

1 stop8h 38mUnited Airlines

Deal found 7/30

$509

Thu 8/712:01 pmSNA - ORD

1 stop10h 31mFrontier

Fri 8/82:15 pmORD - SNA

1 stop7h 31mFrontier

Deal found 7/29

$288

Thu 8/712:01 pmSNA - MDW

1 stop6h 53mFrontier

Sun 8/102:44 pmMDW - SNA

1 stop22h 26mFrontier

Deal found 7/30

$459

Fri 8/812:01 pmSNA - STL

1 stop19h 10mFrontier

Mon 8/112:37 pmSTL - SNA

1 stop6h 03mFrontier

Deal found 7/27

$247

Fri 8/83:09 pmSNA - MLI

1 stop6h 29mAmerican Airlines

Thu 8/146:20 amMLI - SNA

1 stop6h 13mAmerican Airlines

Deal found 7/29

$379

Fri 8/83:37 pmSNA - STL

2 stops21h 02mSpirit Airlines

Mon 8/1110:47 amSTL - SNA

2 stops26h 39mSpirit Airlines

Deal found 7/27

$443

One-way flights from Santa Ana to Illinois
Search for one-way flight options from Santa Ana to Illinois. Find affordable one-way fares based on user searches. Data last updated July 30, 2025.

Thu 8/218:30 pmSNA - ORD

1 stop6h 20mSpirit Airlines

Deal found 7/29

$99

Sat 8/1611:56 amSNA - MDW

1 stop6h 58mFrontier

Deal found 7/27

$102

Sat 9/1312:58 pmSNA - ORD

1 stop6h 30mFrontier

Deal found 7/29

$110

Thu 9/116:45 amSNA - RFD

1 stop10h 07mMultiple Airlines

Deal found 7/29

$112

Thu 8/148:30 pmSNA - PIA

1 stop13h 17mMultiple Airlines

Deal found 7/30

$117

Fri 9/266:17 pmSNA - ORD

1 stop8h 43mAlaska Airlines

Deal found 7/28

$124

Fri 8/812:01 pmSNA - STL

1 stop19h 10mFrontier

Deal found 7/28

$127

Tue 9/212:03 pmSNA - STL

1 stop7h 59mDelta

Deal found 7/30

$139

Tue 9/98:00 amSNA - MDW

1 stop7h 37mDelta

Deal found 7/30

$140

Tue 8/193:05 pmSNA - STL

1 stop6h 09mAmerican Airlines

Deal found 7/29

$140

Tue 8/197:00 amSNA - STL

2 stops8h 45mSouthwest

Deal found 7/29

$145

Sun 8/318:30 amSNA - MDW

2 stops8h 45mSouthwest

Deal found 7/28

$150

Fly from

Fly to

Route

Depart

Return

Price

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Wed 9/24

12:32 pm-10:50 am

1 stop20h 18m

Lambert-St Louis

Sun 9/28

12:05 pm-11:35 am

1 stop25h 30m

$219

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Wed 9/17

12:58 pm-9:06 am

1 stop18h 08m

Lambert-St Louis

Wed 9/24

7:55 pm-11:07 am

1 stop17h 12m

$225

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Wed 9/3

6:45 am-5:34 pm

1 stop8h 49m

Lambert-St Louis

Sat 9/6

3:35 pm-10:30 pm

1 stop8h 55m

$267

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Wed 8/20

11:34 am-5:48 pm

Nonstop4h 14m

Chicago O'Hare Intl

Sat 8/23

6:48 pm-9:20 pm

Nonstop4h 32m

$269

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Sun 8/10

7:58 pm-6:03 am

1 stop8h 05m

Chicago O'Hare Intl

Mon 8/18

5:35 pm-9:21 pm

1 stop5h 46m

$270

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Fri 10/3

1:48 pm-7:59 pm

Nonstop4h 11m

Chicago O'Hare Intl

Sun 10/5

5:01 am-9:17 am

1 stop6h 16m

$275

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Mon 9/1

9:20 pm-9:15 am

1 stop9h 55m

Lambert-St Louis

Thu 9/11

6:01 am-11:03 am

1 stop7h 02m

$277

Santa AnaMoline

SNA - MLI

SNAMLI

Santa Ana J. Wayne/Orange Cnty

Thu 8/28

6:45 am-7:57 pm

1 stop11h 12m

Moline Quad-City

Thu 9/4

12:36 pm-10:05 pm

1 stop11h 29m

$278

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Wed 10/29

6:45 am-5:50 pm

2 stops9h 05m

Lambert-St Louis

Wed 11/5

2:40 pm-6:50 pm

1 stop6h 10m

$278

Santa AnaChicago

SNA - MDW

SNAMDW

Santa Ana J. Wayne/Orange Cnty

Wed 9/24

6:45 am-5:35 pm

1 stop8h 50m

Chicago Midway

Tue 9/30

6:00 am-12:42 pm

1 stop8h 42m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 54 results

...

Best time to book a flight from Santa Ana to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Santa Ana 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 Santa Ana to Illinois

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

Currently, August is the cheapest month in which you can book a flight from Santa Ana to Illinois (average of $245). Flying from Santa Ana to Illinois in March is currently the most expensive (average of $321). 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 SNA to IL?

When flying from Santa Ana to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Santa Ana to Illinois

The most flights from SNA to USIL are scheduled on a Wednesday (28 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (9 on average).

Reviews of airlines servicing Illinois

Read through reviews of airlines operating flights from Santa Ana to Illinois, such as Alaska Airlines, Southwest, and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very good

4,241 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,980 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Hawaiian Airlines

7.8

Good

2,611 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,896 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

What airport do you fly from for flights from Santa Ana to Illinois?
Most people fly from Santa Ana J. Wayne/Orange Cnty (SNA) if they book a flight from Santa Ana to Illinois. Santa Ana J. Wayne/Orange Cnty is conveniently located just 4.8 mi from Santa Ana’s city center.
What are the cheapest airlines to fly from Santa Ana to Illinois one-way?
For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $99. Users have also found prices from $107 and $124 on Frontier and Alaska Airlines, respectively.
What are the most popular routes from Santa Ana to Illinois?
When deciding which route to take from Santa Ana to Illinois consider Santa Ana J. Wayne/Orange Cnty - Chicago O'Hare Intl, Santa Ana J. Wayne/Orange Cnty - Chicago Midway or Santa Ana J. Wayne/Orange Cnty - Lambert-St Louis as they are the most popular.
What are the most reliable airlines from Santa Ana to Illinois?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Santa Ana to Illinois on time: Emirates (93%), Brussels Airlines (93%), United Airlines (88%).
What are the cheapest flights from Santa Ana to Illinois?
Looking for the cheapest flight from Santa Ana to Illinois? While on average our users pay $1,222, our data indicates the cheapest price to be $142. The most popular route (Santa Ana J. Wayne/Orange Cnty - Chicago O'Hare Intl), is priced around $123.
Can I find deals for flights from Santa Ana to Illinois that include hotel bookings?
Yes. In addition to deals on Santa Ana to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Santa Ana to Illinois?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santa Ana to Illinois.
Can I find deals for business class flights from Santa Ana to Illinois?
Yes. Cheapflights offers flight deals from Santa Ana to Illinois 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 Santa Ana to Illinois?
Currently, August is the cheapest month in which you can book a flight from Santa Ana to Illinois (average of $245). Flying from Santa Ana to Illinois in March is currently the most expensive (average of $321). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from Santa Ana to Illinois

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$98	Average$200	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$110	Average$263	FlexibilityNo cancel fee	On-time62%
Alaska Airlines	Cheapest$190	Average$439	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$269	Average$482	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$276	Average$494	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$313	Average$440	FlexibilityNo cancel fee	On-time63%

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$99+ Cheap flights from Santa Ana (SNA) to Illinois

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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Santa Ana to Illinois with Cheapflights

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Cheap flight deals from Santa Ana to Illinois

Keep the following information in mind while searching for Santa Ana to Illinois flight deals. Data was last updated July 30, 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 Santa Ana to Illinois

Cheapest flights from Santa Ana to IllinoisExplore the most affordable flight options available from Santa Ana to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Explore the most affordable flight options available from Santa Ana to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Santa Ana to Illinois

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

Cheapflights Insights

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

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

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

Find hourly flight availability from Santa Ana to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

Weekly flight availability from Santa Ana to Illinois

Explore weekly flight availability from Santa Ana to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 30, 2025.

Reviews of airlines servicing Illinois

Read through reviews of airlines operating flights from Santa Ana to Illinois, such as Alaska Airlines, Southwest, and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Santa Ana to Illinois. 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 from for flights from Santa Ana to Illinois?

What are the cheapest airlines to fly from Santa Ana to Illinois one-way?

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

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

What are the cheapest flights from Santa Ana to Illinois?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Santa Ana to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Santa Ana to Illinois

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Cheapest flights from Santa Ana to Illinois
Explore the most affordable flight options available from Santa Ana to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.