Chicago

$99+ Cheap flights from Santa Ana (SNA) to Chicago (CHI)

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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — CHI
Aug 5 — Aug 121
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Santa Ana to Chicago 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.

Cheapflights Tip: The best prices from Santa Ana J. Wayne/Orange Cnty to Chicago are usually found in August or September, booked 57 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Santa Ana to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Santa Ana (SNA) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 31, 2025.

Round-trip from

$269
(American Airlines)

One-way from

$99
(CheapOair)

Popular in

December

Cheapest in

August

Average price

$412

Good round-trip deal

$316 or less

Good one-way deal

$217 or less
From Santa Ana J. Wayne/Orange Cnty to Chicago (CHI)
One-way flight from Santa Ana J. Wayne/Orange Cnty to Chicago (CHI)
Highest demand for flights based on searches. 8% potential increase in price ($38 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Santa Ana J. Wayne/Orange Cnty to Chicago (CHI).
Price to beat on a one-way flight from Santa Ana J. Wayne/Orange Cnty to Chicago (CHI).

Find flight deals from Santa Ana to Chicago

Cheapest flights from Santa Ana to Chicago
Explore the most affordable flight options available from Santa Ana to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This American Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 8/2011:34 amSNA - ORD
Nonstop4h 14mAmerican Airlines
Sat 8/238:25 amORD - SNA
Nonstop4h 19mAmerican Airlines
Deal found 7/29$269
This Booking.com deal was found by Cheapflights users on 7/30. 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.
Fri 11/712:01 pmSNA - MDW
1 stop8h 37mFrontier
Sun 11/94:29 pmMDW - SNA
1 stop20h 47mFrontier
Deal found 7/30$270
This Booking.com deal was found by Cheapflights users on 7/29. 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.
Tue 8/57:58 pmSNA - ORD
1 stop8h 05mSpirit Airlines
Mon 8/113:18 pmORD - SNA
1 stop5h 45mSpirit Airlines
Deal found 7/29$270
This United Airlines deal was found by Cheapflights users on 7/30. 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 9/261:48 pmSNA - ORD
Nonstop4h 11mUnited Airlines
Mon 9/295:01 amORD - SNA
1 stop6h 16mUnited Airlines
Deal found 7/30$275
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 11/79:25 pmSNA - ORD
1 stop29h 36mAlaska Airlines
Sun 11/98:05 amORD - SNA
Nonstop4h 37mAlaska Airlines
Deal found 7/31$277
This Delta deal was found by Cheapflights users on 7/30. 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.
Wed 8/278:00 amSNA - MDW
1 stop7h 37mDelta
Wed 9/36:00 amMDW - SNA
1 stop8h 42mDelta
Deal found 7/30$279
This Delta deal was found by Cheapflights users on 7/31. 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.
Wed 8/2711:28 amSNA - ORD
1 stop6h 55mDelta
Wed 9/37:45 amORD - SNA
1 stop6h 08mDelta
Deal found 7/31$279
This CheapOair deal was found by Cheapflights users on 7/29. 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.
Tue 8/511:56 amSNA - ORD
1 stop10h 36mMultiple Airlines
Thu 8/73:18 pmORD - SNA
1 stop5h 45mMultiple Airlines
Deal found 7/29$285
This Frontier deal was found by Cheapflights users on 7/30. 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.
Tue 8/511:56 amSNA - ORD
1 stop10h 36mFrontier
Fri 8/82:15 pmORD - SNA
1 stop7h 31mFrontier
Deal found 7/30$288
This Southwest deal was found by Cheapflights users on 7/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2911:30 amSNA - MDW
1 stop6h 15mSouthwest
Wed 9/38:40 amMDW - SNA
1 stop8h 10mSouthwest
Deal found 7/31$289
This Mytrip deal was found by Cheapflights users on 7/31. 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.
Wed 10/158:04 pmSNA - RFD
1 stop14h 50mMultiple Airlines
Fri 10/173:08 pmRFD - SNA
3 stops32h 57mMultiple Airlines
Deal found 7/31$314

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Ana to Chicago 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 July 31, 2025.
Use the filters below to find and compare flights from Santa Ana to Chicago that are best for you.

Fly from

Santa Ana

Fly to

Chicago

Route

Depart

Return

Price

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Wed 8/20

11:34 am-5:48 pm

Nonstop4h 14m

Chicago O'Hare Intl

Sat 8/23

8:25 am-10:44 am

Nonstop4h 19m

$269

Santa AnaChicago

SNA - MDW

SNAMDW

Santa Ana J. Wayne/Orange Cnty

Fri 11/7

12:01 pm-10:38 pm

1 stop8h 37m

Chicago Midway

Sun 11/9

4:29 pm-11:16 am

1 stop20h 47m

$270

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Tue 8/5

7:58 pm-6:03 am

1 stop8h 05m

Chicago O'Hare Intl

Mon 8/11

3:18 pm-7:03 pm

1 stop5h 45m

$270

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Fri 10/3

1:48 pm-7:59 pm

Nonstop4h 11m

Chicago O'Hare Intl

Sun 10/5

5:01 am-9:17 am

1 stop6h 16m

$275

Santa AnaChicago

SNA - MDW

SNAMDW

Santa Ana J. Wayne/Orange Cnty

Wed 8/27

8:00 am-5:37 pm

1 stop7h 37m

Chicago Midway

Wed 9/3

6:00 am-12:42 pm

1 stop8h 42m

$279

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Wed 8/27

11:28 am-8:23 pm

1 stop6h 55m

Chicago O'Hare Intl

Wed 9/3

7:45 am-11:53 am

1 stop6h 08m

$279

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Wed 8/6

7:58 pm-5:10 pm

2 stops19h 12m

Chicago O'Hare Intl

Fri 8/8

2:15 pm-7:46 pm

1 stop7h 31m

$283

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Tue 8/5

11:56 am-12:32 am

1 stop10h 36m

Chicago O'Hare Intl

Fri 8/8

2:15 pm-7:46 pm

1 stop7h 31m

$288

Santa AnaChicago

SNA - MDW

SNAMDW

Santa Ana J. Wayne/Orange Cnty

Fri 8/29

11:30 am-7:45 pm

1 stop6h 15m

Chicago Midway

Wed 9/3

8:40 am-2:50 pm

1 stop8h 10m

$289

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Fri 9/26

6:17 pm-5:00 am

1 stop8h 43m

Chicago O'Hare Intl

Tue 9/30

10:00 am-7:16 pm

2 stops11h 16m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 20 results
1
2

Best time to book a flight from Santa Ana to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago 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.

Cheapflights Insights

Everything you need to know about your flight from Santa Ana to Chicago

How far ahead should I book a flight from Santa Ana to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from Santa Ana to Chicago. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Santa Ana to Chicago, you should look to book at least 57 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Santa Ana to Chicago?

Currently, August is the cheapest month in which you can book a flight from Santa Ana to Chicago (average of $245). Flying from Santa Ana to Chicago 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 CHI?

Find hourly flight availability from Santa Ana to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

When flying from Santa Ana to Chicago, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 31% versus a flight in the morning.

What is the cheapest day to fly from Santa Ana to Chicago?

Use this chart to determine the cheapest time to fly round-trip from Santa Ana to Chicago. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Santa Ana to Chicago flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Santa Ana to Chicago

Explore weekly flight availability from Santa Ana to Chicago. 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 July 31, 2025.

The most flights from SNA to CHI are scheduled on a Thursday (30 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (11 on average).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated July 31, 2025.
Read through reviews of airlines operating flights from Santa Ana to Chicago, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Santa Ana to Chicago. 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 Chicago?

    Most people fly from Santa Ana J. Wayne/Orange Cnty (SNA) if they book a flight from Santa Ana to Chicago. On average, J. Wayne/Orange Cnty has 20 outbound flights to Chicago per day from 6 airlines. Santa Ana J. Wayne/Orange Cnty is conveniently located just 4.8 mi from Santa Ana’s city center.

  • What are the cheapest airlines flying from Santa Ana to Chicago round-trip?

    Currently priced at $269, American Airlines will fly you from Santa Ana to Chicago and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Spirit Airlines - these airlines can fly you to your destination from $270 and $270, respectively. Users have found that American Airlines is 33% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Santa Ana to Chicago one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $99. However, be on the lookout for offers from Frontier and Alaska Airlines, as they are both options that can get you from Santa Ana to Chicago for a low price.

  • What are the most popular routes from Santa Ana to Chicago?

  • What are the most reliable airlines from Santa Ana to Chicago?

    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 Chicago on time: Emirates (93%), Brussels Airlines (93%), United Airlines (88%).

  • What are the cheapest flights from Santa Ana to Chicago?

    Looking for the cheapest flight from Santa Ana to Chicago? While on average our users pay $1,222, our data indicates the cheapest price to be $142. The most popular route (Santa Ana J. Wayne/Orange Cnty - Chicago O'Hare Intl), is priced around $140.

  • Can I find deals for flights from Santa Ana to Chicago that include hotel bookings?

    Yes. In addition to deals on Santa Ana to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santa Ana to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santa Ana to Chicago.

  • Can I find deals for business class flights from Santa Ana to Chicago?

    Yes. Cheapflights offers flight deals from Santa Ana to Chicago 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 Chicago?

    Currently, August is the cheapest month in which you can book a flight from Santa Ana to Chicago (average of $245). Flying from Santa Ana to Chicago 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

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
Lansing
Hammond
Benton Harbor
Porter
Valparaiso
Chesterton

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 Chicago

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Santa Ana to Chicago

Discover the top 6 airlines that operate flights from Santa Ana to Chicago. 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$98Average$200FlexibilityNo cancel feeOn-time65%
FrontierCheapest$110Average$263FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$190Average$439FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$269Average$388FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$276Average$486FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$313Average$440FlexibilityNo 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.