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Santa Ana

$65+ Cheap flights from Illinois to Santa Ana, CA (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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SNA
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$130
(CheapOair)

One-way from

$65
(Priceline)

Popular in

December

Cheapest in

September

Average price

$269

Good round-trip deal

$320 or less

Good one-way deal

$205 or less
Provider with most accurate pricing for Chicago (CHI)-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Los Angeles flights.
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From Illinois to Santa Ana J. Wayne/Orange Cnty
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One-way flight from Illinois to Santa Ana J. Wayne/Orange Cnty
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Highest demand for flights based on searches. 9% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 30, 2025.

This CheapOair deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:45 pmSTL - SNA
1 stop17h 31mFrontier
Sat 11/152:20 pmSNA - STL
1 stop16h 47mFrontier
Deal found 10/28$130
This CheapOair deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/142:42 pmSTL - SNA
1 stop6h 06mFrontier
Tue 11/183:01 pmSNA - STL
1 stop16h 06mFrontier
Deal found 10/30$137
This CheapOair deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:45 pmSTL - SNA
1 stop17h 31mFrontier
Mon 11/1712:01 pmSNA - STL
1 stop19h 06mFrontier
Deal found 10/29$150
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:44 pmSTL - SNA
1 stop14h 00mMultiple Airlines
Tue 12/91:35 pmSNA - STL
1 stop18h 39mMultiple Airlines
Deal found 10/29$169
This CheapOair deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/102:42 pmSTL - SNA
1 stop6h 06mFrontier
Wed 11/123:01 pmSNA - STL
1 stop16h 06mFrontier
Deal found 10/29$176
This CheapOair deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:45 pmSTL - SNA
1 stop19h 50mFrontier
Mon 11/1712:01 pmSNA - STL
1 stop19h 06mFrontier
Deal found 10/30$183
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:43 pmSTL - SNA
1 stop18h 59mMultiple Airlines
Sat 12/138:19 pmSNA - STL
1 stop13h 53mMultiple Airlines
Deal found 10/29$185
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:43 pmSTL - SNA
1 stop18h 59mFrontier
Sun 12/146:34 pmSNA - STL
2 stops13h 40mFrontier
Deal found 10/29$186
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:43 pmSTL - SNA
2 stops16h 47mFrontier
Tue 12/91:35 pmSNA - STL
1 stop18h 39mFrontier
Deal found 10/29$191
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:43 pmSTL - SNA
1 stop18h 59mMultiple Airlines
Thu 12/1111:39 amSNA - STL
2 stops20h 35mMultiple Airlines
Deal found 10/29$195
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/142:42 pmSTL - SNA
1 stop8h 19mMultiple Airlines
Mon 11/171:31 pmSNA - STL
2 stops17h 36mMultiple Airlines
Deal found 10/30$196
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:43 pmSTL - SNA
1 stop18h 59mFrontier
Fri 12/121:35 pmSNA - STL
1 stop18h 39mFrontier
Deal found 10/29$198

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Illinois to Santa Ana that are best for you.

Fly from

Illinois

Fly to

Santa Ana

Route

Depart

Return

Price

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Fri 1/9

7:43 pm-12:22 pm

1 stop18h 39m

Santa Ana J. Wayne/Orange Cnty

Wed 1/14

5:46 pm-9:46 am

2 stops14h 00m

$176

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Fri 11/14

2:42 pm-9:01 pm

1 stop8h 19m

Santa Ana J. Wayne/Orange Cnty

Mon 11/17

1:31 pm-9:07 am

2 stops17h 36m

$196

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Thu 11/27

9:54 pm-3:59 pm

1 stop20h 05m

Santa Ana J. Wayne/Orange Cnty

Thu 12/4

6:34 pm-12:12 pm

1 stop15h 38m

$206

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Thu 11/13

7:45 pm-9:01 pm

2 stops27h 16m

Santa Ana J. Wayne/Orange Cnty

Mon 11/17

12:01 pm-9:07 am

1 stop19h 06m

$242

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Wed 11/19

7:45 pm-11:19 am

1 stop17h 34m

Santa Ana J. Wayne/Orange Cnty

Sun 11/23

10:07 am-6:19 pm

2 stops30h 12m

$268

ChicagoSanta Ana

MDW - SNA

MDWSNA

Chicago Midway

Thu 11/6

12:30 pm-11:16 am

1 stop24h 46m

Santa Ana J. Wayne/Orange Cnty

Sat 11/8

2:20 pm-11:30 am

1 stop19h 10m

$272

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Wed 1/21

12:45 pm-8:42 pm

1 stop9h 57m

Santa Ana J. Wayne/Orange Cnty

Sun 1/25

2:16 pm-8:25 pm

Nonstop4h 09m

$279

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Mon 1/26

7:48 pm-10:24 pm

Nonstop4h 36m

Santa Ana J. Wayne/Orange Cnty

Thu 1/29

11:05 am-6:46 pm

1 stop5h 41m

$279

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Mon 11/17

4:10 pm-6:47 pm

Nonstop4h 37m

Santa Ana J. Wayne/Orange Cnty

Mon 11/24

4:15 pm-11:59 pm

1 stop5h 44m

$279

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Mon 11/24

7:43 pm-11:19 am

1 stop17h 36m

Santa Ana J. Wayne/Orange Cnty

Tue 12/2

1:35 pm-10:14 am

1 stop18h 39m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 results
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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, California?

Currently, September is the cheapest month in which you can book a flight from Illinois to Santa Ana, California (average of $80). Flying from Illinois to Santa Ana, California in December is currently the most expensive (average of $151). 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?

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 October 30, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 47% on flights from Illinois to Santa Ana, California by exploring options for tickets in the evening.

What is the cheapest day to fly from Illinois to Santa Ana, California?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Santa Ana. Price data was last updated on December 1, 2024.

Travelers seeking maximum savings on their Illinois to Santa Ana, California flight should consider departing on Saturday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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?

    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, California?

    For as low as $283, Frontier can have you in Santa Ana, California from Illinois in 8h 37m. The distance between Illinois and Santa Ana, California is about 1721 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $65. Users have also found prices from $135 and $145 on United Airlines and Southwest, respectively.

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

    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, California.

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

    The top 3 most reliable airlines when flying from Illinois to Santa Ana, California are Emirates (84%), Air Canada (78%) and Aer Lingus (76%).

  • What are the cheapest flights from Illinois to Santa Ana, California?

    Looking at all options, your cheapest flight can be booked for $138. While the most popular route (Chicago O'Hare Intl - Santa Ana J. Wayne/Orange Cnty) can be booked for $130 on average, our data indicates $696 when flying from Illinois to Santa Ana, California.

  • 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, California?

    Currently, September is the cheapest month in which you can book a flight from Illinois to Santa Ana, California (average of $80). Flying from Illinois to Santa Ana, California in December is currently the most expensive (average of $151). 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

Traveling to a place near Santa Ana?

Book flights to Santa Ana if you plan to visit one of these locations
Tustin

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Alternative routes for Illinois to Santa Ana

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Top 6 airlines flying from Illinois to Santa Ana

Discover the top 6 airlines that operate flights from Illinois to Santa Ana. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$99Average$203FlexibilityNo cancel feeOn-time65%
FrontierCheapest$109Average$179FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$234Average$473FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$275Average$427FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$288Average$433FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$336Average$459FlexibilityNo cancel feeOn-time75%

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