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Illinois

$61+ Cheap flights from Orange County 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — ORD
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Orange County to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Orange County (zzKFI) to Illinois (USIL). 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 November 21, 2024.

Find flight deals from Orange County to Illinois

Cheapest flights from Orange County to Illinois
Explore the most affordable flight options available from Orange County to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This CheapOair deal was found by Cheapflights users on 11/20. 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.
Fri 12/610:47 amSNA - STL
1 stop19h 26mFrontier
Mon 12/96:46 pmSTL - SNA
1 stop20h 38mFrontier
Deal found 11/20$138
This FlightHub deal was found by Cheapflights users on 11/20. 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.
Tue 12/241:48 pmSNA - ORD
1 stop13h 42mSpirit Airlines
Thu 1/29:54 pmORD - SNA
2 stops16h 59mSpirit Airlines
Deal found 11/20$273
This FlightHub deal was found by Cheapflights users on 11/20. 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.
Mon 12/236:00 pmSNA - MDW
1 stop9h 33mFrontier
Thu 12/268:41 pmMDW - SNA
1 stop13h 34mFrontier
Deal found 11/20$274
This CheapOair deal was found by Cheapflights users on 11/20. 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.
Mon 12/239:15 amSNA - ORD
1 stop26h 05mFrontier
Mon 12/306:00 amORD - SNA
1 stop13h 00mFrontier
Deal found 11/20$274
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/112:15 pmSNA - ORD
Nonstop4h 07mUnited Airlines
Wed 12/182:25 pmORD - SNA
1 stop9h 35mUnited Airlines
Deal found 11/20$276
This FlightHub deal was found by Cheapflights users on 11/21. 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.
Mon 12/239:15 amSNA - ORD
1 stop26h 05mMultiple Airlines
Mon 12/309:54 pmORD - SNA
1 stop12h 17mMultiple Airlines
Deal found 11/21$302
This American Airlines deal was found by Cheapflights users on 11/21. 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.
Fri 12/131:36 pmSNA - ORD
Nonstop4h 09mAmerican Airlines
Sun 12/158:15 amORD - SNA
Nonstop4h 33mAmerican Airlines
Deal found 11/21$308
This American Airlines deal was found by Cheapflights users on 11/21. 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.
Fri 12/611:38 amSNA - PIA
1 stop8h 14mAmerican Airlines
Tue 12/106:26 amPIA - SNA
1 stop9h 30mAmerican Airlines
Deal found 11/21$338
This Southwest deal was found by Cheapflights users on 11/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/131:10 pmLGB - MDW
Nonstop3h 55mSouthwest
Sun 12/159:45 amMDW - LGB
Nonstop4h 30mSouthwest
Deal found 11/20$349
This Delta deal was found by Cheapflights users on 11/21. 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.
Sun 12/88:00 amSNA - ORD
1 stop6h 58mDelta
Sun 12/156:20 amORD - SNA
1 stop7h 45mDelta
Deal found 11/21$383
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/271:18 pmSNA - STL
1 stop6h 58mUnited Airlines
Wed 1/16:00 amSTL - SNA
1 stop7h 17mUnited Airlines
Deal found 11/20$386
This United Airlines deal was found by Cheapflights users on 11/21. 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 12/67:55 pmSNA - PIA
2 stops12h 24mUnited Airlines
Tue 12/103:16 pmPIA - SNA
1 stop9h 06mUnited Airlines
Deal found 11/21$396

Find flights from Orange County to Illinois within your budget

Customize your flight search to find flights from Orange County 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 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Fri 12/6

10:47 am-8:13 am

1 stop19h 26m

Lambert-St Louis

Mon 12/9

6:46 pm-1:24 pm

1 stop20h 38m

$138

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Tue 12/24

1:48 pm-5:30 am

1 stop13h 42m

Chicago O'Hare Intl

Thu 1/2

9:54 pm-12:53 pm

2 stops16h 59m

$273

Santa AnaChicago

SNA - MDW

SNAMDW

Santa Ana J. Wayne/Orange Cnty

Mon 12/23

6:00 pm-5:33 am

1 stop9h 33m

Chicago Midway

Thu 12/26

8:41 pm-8:15 am

1 stop13h 34m

$274

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Mon 12/23

9:15 am-1:20 pm

1 stop26h 05m

Chicago O'Hare Intl

Mon 12/30

6:00 am-5:00 pm

1 stop13h 00m

$274

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Wed 12/11

2:15 pm-8:22 pm

Nonstop4h 07m

Chicago O'Hare Intl

Wed 12/18

2:25 pm-10:00 pm

1 stop9h 35m

$276

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Wed 1/1

1:48 pm-10:57 am

2 stops19h 09m

Chicago O'Hare Intl

Mon 1/6

9:54 pm-12:53 pm

2 stops16h 59m

$286

Santa AnaChicago

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Fri 12/13

1:36 pm-7:45 pm

Nonstop4h 09m

Chicago O'Hare Intl

Sun 12/15

8:15 am-10:48 am

Nonstop4h 33m

$308

Long BeachChicago

LGB - MDW

LGBMDW

Long Beach Municipal

Fri 1/17

12:05 pm-5:55 pm

Nonstop3h 50m

Chicago Midway

Mon 1/20

9:55 am-12:35 pm

Nonstop4h 40m

$318

Santa AnaChicago

SNA - MDW

SNAMDW

Santa Ana J. Wayne/Orange Cnty

Thu 1/23

8:00 am-5:47 pm

1 stop7h 47m

Chicago Midway

Mon 1/27

12:44 pm-7:43 pm

1 stop8h 59m

$319

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Wed 2/5

7:30 am-9:33 pm

2 stops12h 03m

Lambert-St Louis

Sat 2/8

7:40 am-12:16 pm

1 stop6h 36m

$320

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 58 results
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Best time to book a flight from Orange County to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Orange County 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 Orange County to Illinois

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

What is the cheapest month to book a flight from Orange County to Illinois?

Currently, September is the cheapest month in which you can book a flight from Orange County to Illinois (average of $232). Flying from Orange County to Illinois in June is currently the most expensive (average of $308). 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 KFI to IL?

Find hourly flight availability from Orange County 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 November 21, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Orange County to Illinois as you normally would.

Weekly flight availability from Orange County to Illinois

Explore weekly flight availability from Orange County 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 November 21, 2024.

The most flights from zzKFI to USIL are scheduled on a Tuesday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 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 November 21, 2024.
See what other customers who have flown with Spirit Airlines, United Airlines and American Airlines from Orange County to Illinois have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,005 reviews

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
5,005 reviews
Southwest
8.1
Very good
5,005 reviews

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,464 reviews
Southwest
8.1
Very good
5,005 reviews

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,755 reviews
Southwest
8.1
Very good
5,005 reviews

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,005 reviews

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

WestJet
7.3
Good
2,811 reviews
Southwest
8.1
Very good
5,005 reviews

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

Find useful and relevant information for your journey from Orange County to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Orange County to Illinois one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $61. American Airlines flights start at $119 while deals on Spirit Airlines start at $120 one-way.

  • Can I find deals for flights from Orange County to Illinois that include hotel bookings?

    Yes. In addition to deals on Orange County to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Orange County to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Orange County to Illinois.

  • Can I find deals for business class flights from Orange County to Illinois?

    Yes. Cheapflights offers flight deals from Orange County 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 Orange County to Illinois?

    Currently, September is the cheapest month in which you can book a flight from Orange County to Illinois (average of $232). Flying from Orange County to Illinois in June is currently the most expensive (average of $308). 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

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Alternative routes for Orange County to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Orange County to Illinois

Discover the top 7 airlines that operate flights from Orange County 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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$104Average$218FlexibilityNo cancel feeOn-time65%
FrontierCheapest$118Average$211FlexibilityNo cancel feeOn-time62%
DeltaCheapest$236Average$554FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$282Average$548FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$528FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$308Average$409FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$430Average$483FlexibilityNo cancel feeOn-time63%
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