HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$62+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — ORD
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$180
(Booking.com)

One-way from

$62
(Mytrip)

Popular in

March

Cheapest in

October

Average price

$274

Good round-trip deal

$381 or less

Good one-way deal

$197 or less
Provider with most accurate pricing for Los Angeles-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Chicago (CHI) flights.
Search Deals
From Santa Ana J. Wayne/Orange Cnty to Illinois
Search Deals
One-way flight from Santa Ana J. Wayne/Orange Cnty to Illinois
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals
Price to beat on a round-trip flight from Santa Ana J. Wayne/Orange Cnty to Illinois.
Search Deals
Price to beat on a one-way flight from Santa Ana J. Wayne/Orange Cnty to Illinois.
Search Deals

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 febrero 20, 2025.

This Booking.com deal was found by Cheapflights users on 2/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/2512:30 pmSNA - STL
1 stop18h 46mFrontier
mié. 3/56:43 pmSTL - SNA
1 stop24h 06mFrontier
Deal found 2/18$154
This Mytrip deal was found by Cheapflights users on 2/19. 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.
mié. 4/23:33 pmSNA - STL
3 stops24h 19mSpirit Airlines
mar. 4/86:47 pmSTL - SNA
3 stops40h 58mSpirit Airlines
Deal found 2/19$272
This FlightHub deal was found by Cheapflights users on 2/20. 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.
mié. 4/236:45 amSNA - ORD
2 stops22h 55mSpirit Airlines
dom. 4/2711:53 amORD - SNA
2 stops11h 36mSpirit Airlines
Deal found 2/20$279
This Frontier deal was found by Cheapflights users on 2/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/23:42 pmSNA - MDW
1 stop11h 49mFrontier
jue. 3/67:00 amMDW - SNA
1 stop8h 25mFrontier
Deal found 2/19$280
This FlightHub deal was found by Cheapflights users on 2/20. 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.
mié. 2/266:45 amSNA - ORD
2 stops14h 33mMultiple Airlines
dom. 3/26:50 amORD - SNA
1 stop6h 40mMultiple Airlines
Deal found 2/20$280
This American Airlines deal was found by Cheapflights users on 2/19. 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.
mié. 3/512:38 pmSNA - MLI
1 stop6h 45mAmerican Airlines
mié. 3/1212:40 pmMLI - SNA
1 stop9h 26mAmerican Airlines
Deal found 2/19$284
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
mié. 3/58:00 amSNA - ORD
1 stop8h 00mAlaska Airlines
mié. 3/127:45 amORD - SNA
1 stop14h 24mAlaska Airlines
Deal found 2/19$288
This CheapOair deal was found by Cheapflights users on 2/20. 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.
mié. 2/2612:30 pmSNA - ORD
1 stop22h 55mFrontier
dom. 3/26:50 amORD - SNA
1 stop6h 40mFrontier
Deal found 2/20$290
This Delta deal was found by Cheapflights users on 2/20. 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.
mié. 4/2312:00 pmSNA - MDW
1 stop8h 26mDelta
mar. 4/291:16 pmMDW - SNA
1 stop9h 09mDelta
Deal found 2/20$291
This American Airlines deal was found by Cheapflights users on 2/19. 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.
mié. 4/211:43 amSNA - ORD
Nonstop3h 55mAmerican Airlines
dom. 4/68:10 amORD - SNA
Nonstop4h 34mAmerican Airlines
Deal found 2/19$303
This Delta deal was found by Cheapflights users on 2/19. 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.
mié. 4/212:00 pmSNA - STL
1 stop9h 31mDelta
mar. 4/811:19 amSTL - SNA
2 stops13h 03mDelta
Deal found 2/19$304
This Mytrip deal was found by Cheapflights users on 2/19. 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.
mié. 4/23:33 pmSNA - STL
3 stops24h 19mMultiple Airlines
dom. 4/66:35 amSTL - SNA
2 stops29h 22mMultiple Airlines
Deal found 2/19$308

Find flights from Santa Ana to Illinois within your budget

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 febrero 20, 2025.

Fly from

Santa Ana

Fly to

Illinois

Route

Depart

Return

Price

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

jue. 3/6

3:32 pm-6:00 pm

1 stop24h 28m

Lambert-St Louis

dom. 3/9

6:38 pm-4:49 pm

1 stop24h 11m

$180

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

mar. 4/1

1:34 pm-7:32 pm

Nonstop3h 58m

Chicago O'Hare Intl

sáb. 4/5

8:09 am-10:43 am

Nonstop4h 34m

$271

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

mié. 4/2

3:33 pm-5:52 pm

3 stops24h 19m

Lambert-St Louis

mar. 4/8

6:47 pm-9:45 am

3 stops40h 58m

$272

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

sáb. 3/15

6:45 am-12:59 am

2 stops16h 14m

Chicago O'Hare Intl

mar. 3/18

2:42 pm-9:30 pm

1 stop8h 48m

$275

Santa AnaChicago

SNA - MDW

SNAMDW

Santa Ana J. Wayne/Orange Cnty

dom. 3/2

3:42 pm-5:31 am

1 stop11h 49m

Chicago Midway

jue. 3/6

7:00 am-1:25 pm

1 stop8h 25m

$280

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

dom. 3/2

3:42 pm-5:05 am

1 stop11h 23m

Chicago O'Hare Intl

lun. 3/17

6:30 am-11:30 am

1 stop7h 00m

$280

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

sáb. 4/12

2:12 pm-8:20 pm

Nonstop4h 08m

Chicago O'Hare Intl

sáb. 4/19

10:44 am-5:12 pm

1 stop8h 28m

$281

Santa AnaMoline

SNA - MLI

SNAMLI

Santa Ana J. Wayne/Orange Cnty

mié. 3/5

12:38 pm-9:23 pm

1 stop6h 45m

Moline Quad-City

mié. 3/12

12:40 pm-8:06 pm

1 stop9h 26m

$284

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

mié. 3/5

8:00 am-6:00 pm

1 stop8h 00m

Chicago O'Hare Intl

mié. 3/12

7:45 am-8:09 pm

1 stop14h 24m

$288

Santa AnaChicago

SNA - MDW

SNAMDW

Santa Ana J. Wayne/Orange Cnty

mié. 4/23

12:00 pm-10:26 pm

1 stop8h 26m

Chicago Midway

mar. 4/29

1:16 pm-8:25 pm

1 stop9h 09m

$291

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 60 results
1
2
3
...
6

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.

Travel insights for flights from Santa Ana to Illinois

Get recent, data-driven insights about flights from Santa Ana to Illinois including ideal travel times, pricing trends, and more.

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 febrero 20, 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 febrero 20, 2025.

The most flights from SNA to USIL are scheduled on a Monday (23 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 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 febrero 20, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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?

    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 Frontier. According to our data, you can fly for as low as $62. Users have also found prices from $119 and $126 on Spirit Airlines and Allegiant Air, 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: United Airlines (90%), Royal Jordanian (88%), Aer Lingus (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 $906, our data indicates the cheapest price to be $118. 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

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.
Los Angeles to John F Kennedy Intl flights
Los Angeles to Newark flights
San Francisco to John F Kennedy Intl flights
Los Angeles to Seattle flights
San Francisco to Newark flights
San Francisco to Seattle flights
San Francisco to Las Vegas flights
Los Angeles to Miami flights
Los Angeles to LaGuardia flights
Los Angeles to Dallas/Fort Worth flights
Los Angeles to O'Hare Intl flights
Los Angeles to Honolulu flights
San Jose to Las Vegas flights
San Francisco to Los Angeles flights
Los Angeles to Orlando flights
Los Angeles to Las Vegas flights
Santa Ana to Las Vegas flights
Los Angeles to Fort Lauderdale flights
Oakland to Las Vegas flights
Burbank to Las Vegas flights
Oakland to Los Angeles flights
Los Angeles to Sky Harbor Intl flights
Los Angeles to San Francisco flights
San Francisco to Honolulu flights
Los Angeles to Reagan-National flights
San Francisco to O'Hare Intl flights
Los Angeles to Dulles Intl flights
Los Angeles to Boston flights
San Jose to Los Angeles flights
San Francisco to Ontario flights
San Francisco to LaGuardia flights
Burbank to Dallas/Fort Worth flights
Burbank to Newark flights
Los Angeles to Hobby flights
Los Angeles to Baltimore flights
Los Angeles to Oakland flights
Los Angeles to Austin flights
San Diego to Seattle flights
Ontario to Seattle flights
Los Angeles to Nashville flights
Santa Ana to Dallas/Fort Worth flights
Santa Ana to Newark flights
Los Angeles to San Jose flights
San Francisco to Dulles Intl flights
Los Angeles to Portland flights
Los Angeles to New Orleans flights
San Francisco to Sky Harbor Intl flights
San Francisco to Dallas/Fort Worth flights
San Francisco to Miami flights
Ontario to Honolulu flights

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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$101Average$249FlexibilityNo cancel feeOn-time65%
FrontierCheapest$110Average$216FlexibilityNo cancel feeOn-time62%
DeltaCheapest$199Average$470FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$526FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$292Average$549FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$308Average$378FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$430Average$470FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.