$114+ 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 6/24. 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
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 June 12, 2025.
Round-trip from | $257 (Mytrip) |
|---|---|
One-way from | $114 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $319 |
Good round-trip deal | $335 or less |
Good one-way deal | $203 or less |
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 June 12, 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 June 12, 2025.
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/11. 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.
This FlightHub deal was found by Cheapflights users on 6/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 6/10. 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.
This United Airlines deal was found by Cheapflights users on 6/11. 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.
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/9. 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.
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 12, 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
Wed 7/9
12:26 pm-9:52 am
2 stops19h 26m
Lambert-St Louis
Wed 7/16
11:24 am-11:26 am
2 stops26h 02m
Santa AnaPeoria
SNA - PIA
SNAPIA
Santa Ana J. Wayne/Orange Cnty
Thu 6/26
7:40 pm-11:56 am
1 stop14h 16m
Greater Peoria
Mon 6/30
12:46 pm-7:16 am
1 stop20h 30m
Santa AnaChicago
SNA - ORD
SNAORD
Santa Ana J. Wayne/Orange Cnty
Thu 7/10
3:07 pm-9:24 pm
Nonstop4h 17m
Chicago O'Hare Intl
Thu 7/17
7:09 am-9:24 am
Nonstop4h 15m
Santa AnaChicago
SNA - RFD
SNARFD
Santa Ana J. Wayne/Orange Cnty
Sun 9/7
7:45 am-8:26 pm
1 stop10h 41m
Chicago Greater Rockford
Mon 9/8
10:37 am-10:01 am
2 stops25h 24m
Santa AnaSt. Louis
SNA - STL
SNASTL
Santa Ana J. Wayne/Orange Cnty
Thu 6/26
3:32 pm-1:42 pm
1 stop20h 10m
Lambert-St Louis
Mon 6/30
7:29 pm-11:16 am
1 stop17h 47m
Santa AnaChicago
SNA - ORD
SNAORD
Santa Ana J. Wayne/Orange Cnty
Wed 8/6
2:46 pm-5:40 am
2 stops12h 54m
Chicago O'Hare Intl
Thu 8/14
6:00 am-2:12 pm
1 stop10h 12m
Santa AnaChicago
SNA - ORD
SNAORD
Santa Ana J. Wayne/Orange Cnty
Mon 7/14
7:58 pm-6:03 am
1 stop8h 05m
Chicago O'Hare Intl
Sun 7/20
7:08 am-11:26 am
1 stop6h 18m
Santa AnaSt. Louis
SNA - STL
SNASTL
Santa Ana J. Wayne/Orange Cnty
Wed 8/20
7:30 am-4:53 pm
1 stop7h 23m
Lambert-St Louis
Fri 8/22
5:30 pm-10:30 pm
1 stop7h 00m
Santa AnaChicago
SNA - ORD
SNAORD
Santa Ana J. Wayne/Orange Cnty
Thu 7/17
2:02 pm-8:13 pm
Nonstop4h 11m
Chicago O'Hare Intl
Tue 7/22
5:00 am-9:14 am
1 stop6h 14m
Santa AnaChicago
SNA - ORD
SNAORD
Santa Ana J. Wayne/Orange Cnty
Sun 7/6
3:32 pm-9:06 pm
1 stop27h 34m
Chicago O'Hare Intl
Sun 7/13
9:56 pm-6:40 pm
1 stop22h 44m
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?
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?
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 June 12, 2025.
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
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 June 12, 2025.
The most flights from SNA to USIL are scheduled on a Monday (30 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 on average).
Rainfall in Illinois by month
Plan your trip to Illinois by taking into account the average rainfall totals by month.
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.
Temperature in Illinois by month
Plan your trip to Illinois by taking into account the average temperature totals by month.
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).
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Santa Ana to Illinois by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
James,Apr 2025
LAX - SFO
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.
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 7 airlines flying from Santa Ana to Illinois
Discover the top 7 airlines that operate flights from Santa Ana to Illinois. 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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$212 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$110 | Average$247 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$190 | Average$439 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$236 | Average$548 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$264 | Average$510 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$269 | Average$477 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$401 | Average$457 | FlexibilityNo cancel fee | On-time63% |