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Santa Ana

$61+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SNA
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap 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 January 28, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Mon 3/912:14 pm
STL
-
SNA
1 stop10h 43m
Multiple Airlines
Tue 3/171:20 pm
SNA
-
STL
1 stop19h 59m
Multiple Airlines
Deal found 1/27$197
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Mon 2/29:45 pm
STL
-
SNA
1 stop16h 40m
Multiple Airlines
Thu 2/56:45 am
SNA
-
STL
1 stop12h 21m
Multiple Airlines
Deal found 1/26$218
This CheapOair deal was found by Cheapflights users on 1/26. 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 5/78:12 pm
STL
-
SNA
1 stop16h 34m
Frontier
Sun 5/108:20 pm
SNA
-
STL
1 stop22h 40m
Frontier
Deal found 1/26$226
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Mon 2/2310:11 pm
STL
-
SNA
1 stop16h 14m
Multiple Airlines
Mon 3/27:10 pm
SNA
-
STL
2 stops42h 43m
Multiple Airlines
Deal found 1/26$239
This CheapOair deal was found by Cheapflights users on 1/28. 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.
Thu 3/1910:47 pm
STL
-
SNA
1 stop12h 03m
Frontier
Mon 3/301:12 pm
SNA
-
STL
1 stop20h 07m
Frontier
Deal found 1/28$249
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Mon 3/3012:14 pm
STL
-
SNA
1 stop10h 42m
Multiple Airlines
Mon 4/65:56 pm
SNA
-
STL
2 stops37h 52m
Multiple Airlines
Deal found 1/26$250
This American Airlines deal was found by Cheapflights users on 1/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:00 am
STL
-
SNA
1 stop8h 40m
American Airlines
Sat 5/92:42 pm
SNA
-
STL
1 stop6h 22m
American Airlines
Deal found 1/28$257
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Thu 2/510:01 pm
STL
-
SNA
1 stop16h 36m
Frontier
Sun 2/85:11 pm
SNA
-
STL
2 stops17h 39m
Frontier
Deal found 1/25$260
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 am
STL
-
SNA
1 stop7h 13m
United Airlines
Sat 4/1811:10 am
SNA
-
STL
2 stops7h 58m
United Airlines
Deal found 1/27$262
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/207:44 pm
ORD
-
SNA
Nonstop4h 46m
United Airlines
Tue 2/242:22 pm
SNA
-
ORD
Nonstop4h 03m
United Airlines
Deal found 1/27$269
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Wed 3/188:55 pm
ORD
-
SNA
1 stop23h 16m
Multiple Airlines
Tue 3/244:37 pm
SNA
-
ORD
1 stop11h 31m
Multiple Airlines
Deal found 1/27$270
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Sun 2/87:00 am
ORD
-
SNA
2 stops28h 12m
Multiple Airlines
Thu 2/124:37 pm
SNA
-
ORD
1 stop22h 49m
Multiple Airlines
Deal found 1/26$271

Find 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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$197
(Kiwi.com)

One-way from

$61
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$349

Good round-trip deal

$302 or less

Good one-way deal

$213 or less
Provider with most accurate pricing for Chicago (CHI)-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Los Angeles flights.
Search Deals
From Illinois to Santa Ana J. Wayne/Orange Cnty
Search Deals
One-way flight from Illinois to Santa Ana J. Wayne/Orange Cnty
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Santa Ana J. Wayne/Orange Cnty.
Search Deals
Price to beat on a one-way flight from Illinois to Santa Ana J. Wayne/Orange Cnty.
Search Deals

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 January 28, 2026.
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

Wed 4/15

6:00 am-11:13 am

1 stop7h 13m

Santa Ana J. Wayne/Orange Cnty

Sat 4/18

11:10 am-9:08 pm

2 stops7h 58m

$262

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Wed 2/18

7:44 pm-10:30 pm

Nonstop4h 46m

Santa Ana J. Wayne/Orange Cnty

Wed 3/11

10:52 am-4:55 pm

Nonstop4h 03m

$269

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Wed 2/25

7:44 pm-10:30 pm

Nonstop4h 46m

Santa Ana J. Wayne/Orange Cnty

Wed 3/4

6:45 am-12:55 pm

Nonstop4h 10m

$269

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Mon 2/23

7:44 pm-10:30 pm

Nonstop4h 46m

Santa Ana J. Wayne/Orange Cnty

Tue 3/3

2:22 pm-8:25 pm

Nonstop4h 03m

$269

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Fri 2/20

2:02 pm-8:49 pm

1 stop8h 47m

Santa Ana J. Wayne/Orange Cnty

Wed 2/25

2:22 pm-8:25 pm

Nonstop4h 03m

$279

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Sat 2/21

5:45 am-11:27 am

1 stop7h 42m

Santa Ana J. Wayne/Orange Cnty

Fri 2/27

2:22 pm-8:25 pm

Nonstop4h 03m

$279

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Wed 4/22

7:40 am-2:08 pm

1 stop8h 28m

Santa Ana J. Wayne/Orange Cnty

Sat 4/25

10:50 am-4:55 pm

Nonstop4h 05m

$279

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Sat 5/30

5:00 am-9:05 am

1 stop6h 05m

Santa Ana J. Wayne/Orange Cnty

Mon 6/1

4:00 pm-12:44 am

1 stop6h 44m

$285

ChicagoSanta Ana

ORD - SNA

ORDSNA

Chicago O'Hare Intl

Sat 5/23

3:50 pm-8:33 pm

1 stop6h 43m

Santa Ana J. Wayne/Orange Cnty

Tue 5/26

2:29 pm-11:55 pm

1 stop7h 26m

$289

ChicagoSanta Ana

MDW - SNA

MDWSNA

Chicago Midway

Tue 3/24

9:10 am-1:35 pm

1 stop6h 25m

Santa Ana J. Wayne/Orange Cnty

Tue 3/24

2:35 pm-12:10 am

1 stop7h 35m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

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 January is currently the most expensive (average of $134). 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 January 28, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 17% on flights from Illinois to Santa Ana, California by exploring options for tickets in the morning.

Weekly flight availability from Illinois to Santa Ana, California

Explore weekly flight availability from Illinois to Santa Ana. 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 January 28, 2026.

The most flights from USIL to SNA are scheduled on a Monday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

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 $289, United Airlines can have you in Santa Ana, California from Illinois in 6h 25m. The distance between Illinois and Santa Ana, California is about 1727 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 $72. Users have also found prices from $79 and $114 on Spirit Airlines and American Airlines, 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 Alaska Airlines (83%), Brussels Airlines (81%) and United Airlines (80%).

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

    Looking at all options, your cheapest flight can be booked for $168. While the most popular route (Chicago O'Hare Intl - Santa Ana J. Wayne/Orange Cnty) can be booked for $152 on average, our data indicates $669 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 January is currently the most expensive (average of $134). 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?

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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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$60Average$165FlexibilityNo cancel feeOn-time65%
FrontierCheapest$85Average$185FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$234Average$463FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$269Average$401FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$288Average$409FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$336Average$440FlexibilityNo cancel feeOn-time75%

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