Cheap flights from Santa Ana to Illinois from $69
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Santa Ana to Illinois departing on 8/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Santa Ana to Illinois
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Illinois?
The cheapest month to fly to Illinois from Santa Ana is in September. Flight prices, which tend to average around $376, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of September, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $383.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Santa Ana to Illinois is on a Tuesday when prices can be found for as low as $444. Flights from Santa Ana to Illinois on a Monday will generally be more expensive and average around $582. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Santa Ana to Illinois during this time can be as low as $332. Flights in the morning are often more expensive with an average ticket price of $493.
What is the cheapest Santa Ana J. Wayne/Orange Cnty to Illinois flight route?
Fly from Santa Ana J. Wayne/Orange Cnty to Chicago O'Hare Intl for the best Santa Ana J. Wayne/Orange Cnty - Illinois flight prices
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from Santa Ana when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $416 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Santa Ana for as low as $327 on momondo.
What cabin class options are available on Santa Ana J. Wayne/Orange Cnty to Illinois flights?
There are 4 cabin classes available to choose from on Santa Ana J. Wayne/Orange Cnty to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Santa Ana J. Wayne/Orange Cnty to Illinois?
Spirit Airlines, Alaska Airlines, and Delta are the most popular carriers operating from Santa Ana J. Wayne/Orange Cnty to Illinois
What airlines fly to Illinois?
American Airlines, United Airlines and Spirit Airlines are the top three most popular airlines that fly to Illinois from Santa Ana according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 9 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
How many flights depart from Santa Ana to Illinois on average per day?
The number of flights available between Santa Ana and Illinois is 27 per day as of June 2025. The most frequent departure time is 11:00AM, with 76% of daily flights leaving at noon.
How many flights depart from Santa Ana to Illinois on average per week?
As of June 2025, there are 191 flights per week flying from Santa Ana to Illinois. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.
Cheap Santa Ana to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Santa Ana to Illinois
When did momondo last update prices for flights from Santa Ana J. Wayne/Orange Cnty Airport to Illinois?
Prices for flights from Santa Ana J. Wayne/Orange Cnty Airport to Illinois are updated daily.
How many operators does momondo search for flights from Santa Ana J. Wayne/Orange Cnty Airport to Illinois?
As of June 2025, there are 7 operators available to choose from for flights from Santa Ana J. Wayne/Orange Cnty Airport to Illinois.
How old do you have to be to fly from Santa Ana J. Wayne/Orange Cnty Airport to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Santa Ana J. Wayne/Orange Cnty Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Santa Ana to Illinois?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Santa Ana to Illinois is Boeing 737 MAX 8 (24.89% of total bookings). The next most popular plane models are Boeing 737-800 (16.73%), Airbus A321neo (16.67%), and Airbus A320neo (11.39%).
Best airlines flying from Santa Ana to Illinois
Compare and see reviews for airlines that fly from Santa Ana to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $98 | Free Cancellation | Rating 6.3 8,054 reviews | |||
| PriceFrom $110 | Free Cancellation | Rating 5.9 3,296 reviews | |||
| PriceFrom $190 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 8.0 7,953 reviews | |||
| PriceFrom $264 | Free Cancellation | Rating 7.4 8,791 reviews | |||
| PriceFrom $269 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $401 | Free Cancellation | Rating 8.0 4,286 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Santa Ana to Illinois?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Santa Ana to Illinois. momondo saves you time and could save you money on your trip.
Can I find flights from Santa Ana to Illinois with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Illinois from Santa Ana with this policy.
How can momondo help me find flights from Santa Ana to Illinois?
Once all potential Santa Ana to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Santa Ana to Illinois right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Santa Ana and alert you when they change.