Cheap flights from Santa Ana to Chicago from $52
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 Chicago departing on 8/2. 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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United Airlines flights from Santa Ana to Chicago O'Hare Intl Airport
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Spirit Airlines flights from Santa Ana to Chicago O'Hare Intl Airport
Our best Spirit Airlines deals on Santa Ana to Chicago O'Hare Intl Airport flight tickets
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How to get the cheapest flight ticket from Santa Ana to Chicago O'Hare Intl Airport
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 Chicago O'Hare Intl Airport?
The month of May is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Santa Ana averaging around $375.
What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?
The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $360. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Santa Ana because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $470.
What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?
Flying to Chicago O'Hare Intl Airport from Santa Ana in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $286 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $446. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Santa Ana J. Wayne/Orange Cnty to Chicago O'Hare Intl flight route?
Fly from Santa Ana J. Wayne/Orange Cnty to Chicago O'Hare Intl for the best Santa Ana J. Wayne/Orange Cnty - Chicago O'Hare Intl flight prices
How far in advance should I book a flight to Chicago O'Hare Intl Airport?
You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Santa Ana when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $417 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Santa Ana for as low as $327 on momondo.
What cabin class options are available on Santa Ana J. Wayne/Orange Cnty to Chicago O'Hare Intl flights?
There are 4 cabin classes available to choose from on Santa Ana J. Wayne/Orange Cnty to Chicago O'Hare Intl 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 Chicago O'Hare Intl?
Spirit Airlines, Frontier, and Alaska Airlines are the most popular carriers operating from Santa Ana J. Wayne/Orange Cnty to Chicago O'Hare Intl
What airlines fly to Chicago O'Hare Intl Airport?
American Airlines, United Airlines and Spirit Airlines are the top three most popular airlines that fly to Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport. Keep in mind that there are 9 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Santa Ana to Chicago O'Hare Intl Airport on average per day?
As of June 2025, there are 29 flights per day flying from Santa Ana to Chicago O'Hare Intl Airport. The most common time of day flights depart is 11:00AM, with 76% of flights taking off at noon.
How many flights depart from Santa Ana to Chicago O'Hare Intl Airport on average per week?
As of June 2025, there are 203 flights per week flying from Santa Ana to Chicago O'Hare Intl Airport. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.
When to book flights from Santa Ana to Chicago O'Hare Intl Airport
Cheap Santa Ana to Chicago O'Hare Intl Airport (SNA to ORD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Santa Ana to Chicago O'Hare Intl Airport
How far is Santa Ana J. Wayne/Orange Cnty to Chicago O'Hare Intl by plane?
The distance between Santa Ana J. Wayne/Orange Cnty and Chicago O'Hare Intl is about 1718.9 mi. A reasonable flight in good conditions will take 4h 11m.
When did momondo last update prices for flights from Santa Ana J. Wayne/Orange Cnty Airport to Chicago O'Hare Intl Airport?
Prices for flights from Santa Ana J. Wayne/Orange Cnty Airport to Chicago O'Hare Intl Airport refresh daily.
How many operators does momondo search for flights from Santa Ana J. Wayne/Orange Cnty Airport to Chicago O'Hare Intl Airport?
As of June 2025, there are 5 operators available to choose from for flights from Santa Ana J. Wayne/Orange Cnty Airport to Chicago O'Hare Intl Airport.
How old do you have to be to fly from Santa Ana J. Wayne/Orange Cnty Airport to Chicago O'Hare Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Santa Ana J. Wayne/Orange Cnty Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Santa Ana to Chicago O'Hare Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from Santa Ana to Chicago O'Hare Intl Airport is Boeing 737 MAX 8, representing 24.89% of all bookings. The subsequent popular models are Boeing 737-800 at 16.73%, Airbus A321neo at 16.67%, and Airbus A320neo at 11.39%.
What is the most popular airline from Santa Ana to Chicago O'Hare Intl Airport?
Based on momondo bookings for flights between Santa Ana and Chicago O'Hare Intl Airport, the leading airline is American Airlines, making up 62% of the total bookings. Other popular airlines include United Airlines with 29%, Spirit Airlines with 4%, and Alaska Airlines with 4%.
Best airlines flying from Santa Ana to Chicago O'Hare Intl Airport
Compare and see reviews for airlines that fly from Santa Ana to Chicago O'Hare Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $98 | Free Cancellation | Rating 6.3 8,062 reviews | |||
| PriceFrom $110 | Free Cancellation | Rating 5.9 3,294 reviews | |||
| PriceFrom $190 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $269 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $289 | Free Cancellation | Rating 7.4 8,798 reviews |
Alaska Airlines Flights From Santa Ana to Chicago O'Hare Intl Airport
Alaska Airlines operates around 27 flights from Santa Ana to Chicago O'Hare Intl Airport every week. The average price of these flights found in the last 72 hours has been $441, but momondo users have found Alaska Airlines deals from Santa Ana to Chicago O'Hare Intl Airport from as low as $190 round-trip. Alaska Airlines has been scored 8.0/10 in 10,000 reviews.
United Airlines Flights From Santa Ana to Chicago O'Hare Intl Airport
United Airlines is also a popular choice for this route. United Airlines flight deals for Santa Ana to Chicago O'Hare Intl Airport start from as low as $289 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $492. United Airlines operates 26 flights to Chicago O'Hare Intl Airport from Santa Ana in an average week. Users have rated it 7.4/10 across 8,798 reviews.
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Why should I use momondo to find a flight deal from Santa Ana to Chicago?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from Santa Ana.
Can I find flights from Santa Ana to Chicago with flexible booking policies on momondo?
All flight searches from Santa Ana to Chicago on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Santa Ana to Chicago?
Once all potential Santa Ana to Chicago 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 Chicago right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Santa Ana and alert you when they change.