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O'Hare Intl

$102+ Cheap flights from Santa Ana (SNA) to O'Hare Intl (ORD)

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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — ORD
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
1 adult, Economy
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Cheapflights Tip: The best prices from Santa Ana J. Wayne/Orange Cnty to Chicago O'Hare Intl are usually found in January or May, booked 69 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Santa Ana to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Santa Ana (SNA) to O'Hare Intl (ORD). 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 28, 2025.

Round-trip from

$269
(American Airlines)

One-way from

$102
(CheapOair)

Popular in

March

Cheapest in

January

Average price

$409

Good round-trip deal

$316 or less

Good one-way deal

$217 or less
From Santa Ana J. Wayne/Orange Cnty to Chicago O'Hare Intl
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One-way flight from Santa Ana J. Wayne/Orange Cnty to Chicago O'Hare Intl
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Highest demand for flights based on searches. 4% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Santa Ana J. Wayne/Orange Cnty to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Santa Ana J. Wayne/Orange Cnty to Chicago O'Hare Intl.
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Find flight deals from Santa Ana to O'Hare Intl

Cheapest flights from Santa Ana to O'Hare Intl
Explore the most affordable flight options available from Santa Ana to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

This American Airlines deal was found by Cheapflights users on 7/25. 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 8/2010:38 amSNA - ORD
Nonstop4h 14mAmerican Airlines
Sun 8/247:25 amORD - SNA
Nonstop4h 23mAmerican Airlines
Deal found 7/25$269
This CheapOair deal was found by Cheapflights users on 7/25. 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.
Wed 8/66:45 amSNA - ORD
1 stop5h 28mSpirit Airlines
Sat 8/93:18 pmORD - SNA
1 stop5h 45mSpirit Airlines
Deal found 7/25$270
This United Airlines deal was found by Cheapflights users on 7/25. 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 8/221:48 pmSNA - ORD
Nonstop4h 11mUnited Airlines
Mon 8/256:00 amORD - SNA
1 stop7h 05mUnited Airlines
Deal found 7/25$279
This CheapOair deal was found by Cheapflights users on 7/26. 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.
Mon 8/47:58 pmSNA - ORD
1 stop8h 05mMultiple Airlines
Wed 8/67:00 amORD - SNA
1 stop6h 11mMultiple Airlines
Deal found 7/26$289
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 9/266:17 pmSNA - ORD
1 stop8h 43mAlaska Airlines
Tue 9/3010:00 amORD - SNA
2 stops11h 16mAlaska Airlines
Deal found 7/28$311
This Frontier deal was found by Cheapflights users on 7/26. 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.
Thu 7/3112:01 pmSNA - ORD
1 stop10h 09mFrontier
Wed 8/137:00 amORD - SNA
1 stop6h 11mFrontier
Deal found 7/26$318

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Ana to O'Hare Intl 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 28, 2025.
Use the filters below to find and compare flights from Santa Ana to Chicago O'Hare Intl Airport that are best for you.

Fly from

Santa Ana

Fly to

O'Hare Intl

Route

Depart

Return

Price

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Wed 8/20

10:38 am-4:52 pm

Nonstop4h 14m

Chicago O'Hare Intl

Sun 8/24

7:25 am-9:48 am

Nonstop4h 23m

$269

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Fri 8/8

7:58 pm-6:03 am

1 stop8h 05m

Chicago O'Hare Intl

Tue 8/12

3:18 pm-7:03 pm

1 stop5h 45m

$271

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Wed 8/13

11:56 am-12:32 am

1 stop10h 36m

Chicago O'Hare Intl

Sat 8/16

5:35 pm-9:21 pm

1 stop5h 46m

$278

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Fri 8/22

1:48 pm-7:59 pm

Nonstop4h 11m

Chicago O'Hare Intl

Mon 8/25

6:00 am-11:05 am

1 stop7h 05m

$279

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

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Sat 8/30

12:04 pm-11:39 pm

1 stop9h 35m

Chicago O'Hare Intl

Mon 9/1

6:00 am-11:24 am

1 stop7h 24m

$318

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Fri 10/31

8:04 pm-10:34 am

2 stops12h 30m

$102

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Tue 8/5

11:56 am-12:32 am

1 stop10h 36m

$115

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Fri 9/26

6:17 pm-5:00 am

1 stop8h 43m

$124

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Best time to book a flight from Santa Ana to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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 O'Hare Intl Airport

How far ahead should I book a flight from Santa Ana to Chicago O'Hare Intl Airport?

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

The price you pay for your flight from Santa Ana to Chicago O'Hare Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Santa Ana to Chicago O'Hare Intl Airport?

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

Find hourly flight availability from Santa Ana to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2025.

A simple way to save on the total cost of your ticket is to fly from Santa Ana to Chicago O'Hare Intl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 45% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Santa Ana to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Santa Ana to O'Hare Intl. Price data was last updated on July 20, 2025.

Travelers seeking maximum savings on their Santa Ana to Chicago O'Hare Intl Airport flight should consider departing on Friday 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 O'Hare Intl Airport

Explore weekly flight availability from Santa Ana to O'Hare Intl. 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 28, 2025.

The most flights from SNA to ORD are scheduled on a Monday (29 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 on average).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated July 28, 2025.
See what other customers who have flown with Alaska Airlines, United Airlines, and American Airlines from Santa Ana to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,893 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Spirit Airlines
6.3
Okay
8,034 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Frontier
5.9
Fair
3,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

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 O'Hare Intl. 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 O'Hare Intl?

    Most people fly from Santa Ana J. Wayne/Orange Cnty (SNA) if they book a flight from Santa Ana to Chicago O'Hare Intl. On average, J. Wayne/Orange Cnty has 26 outbound flights to Chicago O'Hare Intl per day from 5 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 O'Hare Intl Airport round-trip?

    Our cheapest airline available from Santa Ana to Chicago O'Hare Intl Airport is American Airlines. Our recent data shows that you can find tickets from as low as $269 on this airline. Additional options worth looking into are Spirit Airlines and United Airlines, starting at $271 and $279 round-trip. American Airlines is currently priced 34% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Santa Ana to Chicago O'Hare Intl Airport one-way?

    $102 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and Alaska Airlines, with prices starting from $103 and $124, respectively.

  • What are the most reliable airlines from Santa Ana to Chicago O'Hare Intl Airport?

    Consider Emirates (93%), Brussels Airlines (93%) or United Airlines (88%) when booking your flight. These represent the most reliable airlines when flying from Santa Ana to Chicago O'Hare Intl Airport.

  • What are the cheapest flights from Santa Ana to Chicago O'Hare Intl Airport?

    Looking for the cheapest flight from Santa Ana to Chicago O'Hare Intl Airport? 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 $169.

  • Can I find deals for flights from Santa Ana to O'Hare Intl that include hotel bookings?

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

  • How can I find direct flights from Santa Ana to O'Hare Intl?

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

  • Can I find deals for business class flights from Santa Ana to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Santa Ana to O'Hare Intl 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 O'Hare Intl Airport?

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

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Beloit
Hoffman Estates
Skokie
Naperville
Arlington Heights
Des Plaines
Elgin
Orland Park
Elk Grove Village
Racine
Rockford
Tinley Park
Merrillville
Evanston
Lake Geneva
Gurnee
Joliet
Waukegan

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Alternative routes for Santa Ana to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Santa Ana to O'Hare Intl

Discover the top 5 airlines that operate flights from Santa Ana to O'Hare Intl. 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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$96Average$203FlexibilityNo cancel feeOn-time65%
FrontierCheapest$110Average$178FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$190Average$443FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$269Average$389FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$275Average$484FlexibilityNo cancel feeOn-time69%

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