HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Orange County to Illinois from $64

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 5/29. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SNA — ORD
May 10 — May 171
From?
To?
Fri 5/10
Fri 5/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

How far in advance should I book a flight from Orange County to Illinois?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 60 days in advance, which can save you up to 78% on flights from Orange County to Illinois compared to booking the week you need them. Waiting 60 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $319. For sooner than that we have options available in the next 3 days from $510.

What is the cheapest month to fly from Orange County to Illinois?

The best pricing can be found in the month of January. Prices to Illinois from Orange County average $314. You can even find prices in January for less than $314, as users have found deals to Illinois from as low as $135. The month of March appears to be one of the more expensive times to travel to Illinois from Orange County. Flying in the targeted month can save you up to 20%.

When is the cheapest time to fly from Orange County to Illinois (KFI - IL)?

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.

Cheap Spirit Airlines flights from Orange County to Illinois

Explore cheap flight options specifically provided by Spirit Airlines for the route between Orange County and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
Take a peek at the cheapest Spirit Airlines flights we've detected traveling from Orange County to Illinois. Be sure to come back soon if the deals available don't appeal to you at this time.
Tue 5/216:45 amSNA - STL
1 stop26h 01mSpirit Airlines
Wed 5/2911:36 amSTL - SNA
1 stop24h 27mSpirit Airlines
Deal found 5/5$114
Tue 5/211:20 pmSNA - STL
1 stop19h 26mSpirit Airlines
Wed 5/2911:36 amSTL - SNA
2 stops28h 46mSpirit Airlines
Deal found 5/5$127
Mon 6/33:12 pmSNA - ORD
1 stop13h 28mSpirit Airlines
Tue 6/410:52 pmORD - SNA
1 stop12h 37mSpirit Airlines
Deal found 5/5$151
Tue 5/216:45 amSNA - ORD
1 stop13h 10mSpirit Airlines
Wed 5/227:00 amORD - SNA
2 stops16h 30mSpirit Airlines
Deal found 5/5$153
Mon 6/311:17 amSNA - ORD
2 stops17h 23mSpirit Airlines
Tue 6/410:52 pmORD - SNA
1 stop12h 37mSpirit Airlines
Deal found 5/5$154
Mon 6/33:12 pmSNA - ORD
1 stop13h 28mSpirit Airlines
Tue 6/410:52 pmORD - SNA
1 stop12h 37mSpirit Airlines
Deal found 5/5$156
Mon 6/33:12 pmSNA - ORD
1 stop13h 28mSpirit Airlines
Tue 6/410:52 pmORD - SNA
2 stops17h 07mSpirit Airlines
Deal found 5/5$166
Thu 6/63:19 pmSNA - ORD
2 stops15h 55mSpirit Airlines
Tue 6/1110:01 pmORD - SNA
1 stop13h 28mSpirit Airlines
Deal found 5/4$175
Mon 6/311:17 amSNA - ORD
2 stops17h 23mSpirit Airlines
Tue 6/410:52 pmORD - SNA
2 stops17h 07mSpirit Airlines
Deal found 5/5$176

Cheap Frontier flights from Orange County to Illinois

Explore cheap flight options specifically provided by Frontier for the route between Orange County and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
Some of the best deals we've found on Frontier flights traveling from Orange County to Illinois. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Mon 5/2012:59 pmSNA - STL
1 stop6h 32mFrontier
Wed 5/297:23 pmSTL - SNA
1 stop26h 32mFrontier
Deal found 5/5$128
Mon 5/2012:59 pmSNA - STL
1 stop6h 32mFrontier
Thu 5/307:23 pmSTL - SNA
1 stop18h 46mFrontier
Deal found 5/5$136
Wed 5/227:39 pmSNA - STL
1 stop24h 27mFrontier
Wed 5/297:23 pmSTL - SNA
1 stop26h 32mFrontier
Deal found 5/5$139
Wed 5/227:39 pmSNA - STL
1 stop24h 27mFrontier
Tue 5/2810:44 pmSTL - SNA
1 stop22h 05mFrontier
Deal found 5/5$141
Mon 5/2012:59 pmSNA - STL
1 stop6h 32mFrontier
Wed 5/227:23 pmSTL - SNA
1 stop26h 32mFrontier
Deal found 5/5$143
Thu 5/234:29 pmSNA - STL
1 stop15h 44mFrontier
Wed 5/297:23 pmSTL - SNA
1 stop26h 32mFrontier
Deal found 5/5$147
Sat 8/242:26 pmSNA - ORD
1 stop9h 33mFrontier
Tue 8/278:00 amORD - SNA
1 stop12h 22mFrontier
Deal found 5/5$155
Sun 5/264:28 pmSNA - MDW
1 stop11h 22mFrontier
Sat 6/15:05 amMDW - SNA
1 stop15h 44mFrontier
Deal found 5/4$156
Wed 5/153:57 pmSNA - ORD
1 stop6h 59mFrontier
Wed 5/297:59 pmORD - SNA
1 stop25h 56mFrontier
Deal found 5/4$158

Cheap Orange County to Illinois flights in May & June 2024

Find cheap flight options from Orange County to Illinois specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,719,943 searches. Prices were last updated on May 5, 2024.
Listed are some of the best fares we've found on flights departing from Orange County to Illinois in 2024. Check back regularly for other flight deals.
Tue 5/216:45 amSNA - STL
1 stop26h 01mSpirit Airlines
Wed 5/2911:36 amSTL - SNA
1 stop24h 27mSpirit Airlines
Deal found 5/5$114
Tue 5/211:20 pmSNA - STL
1 stop19h 26mSpirit Airlines
Wed 5/2911:36 amSTL - SNA
2 stops28h 46mSpirit Airlines
Deal found 5/5$127
Mon 5/2012:59 pmSNA - STL
1 stop6h 32mFrontier
Wed 5/297:23 pmSTL - SNA
1 stop26h 32mFrontier
Deal found 5/5$128
Wed 5/296:45 amSNA - ORD
1 stop8h 11mSpirit Airlines
Wed 6/57:00 amORD - SNA
2 stops16h 59mSpirit Airlines
Deal found 5/4$129
Wed 5/296:45 amSNA - ORD
1 stop8h 11mSpirit Airlines
Wed 6/512:32 pmORD - SNA
1 stop11h 27mSpirit Airlines
Deal found 5/4$134
Tue 5/211:20 pmSNA - STL
1 stop19h 26mMultiple Airlines
Thu 5/307:23 pmSTL - SNA
1 stop18h 46mMultiple Airlines
Deal found 5/5$135
Mon 5/2012:59 pmSNA - STL
1 stop6h 32mFrontier
Thu 5/307:23 pmSTL - SNA
1 stop18h 46mFrontier
Deal found 5/5$136
Mon 5/208:40 pmSNA - ORD
1 stop22h 35mFrontier
Wed 5/297:59 pmORD - SNA
1 stop25h 56mFrontier
Deal found 5/4$139
Wed 5/227:39 pmSNA - STL
1 stop24h 27mFrontier
Wed 5/297:23 pmSTL - SNA
1 stop26h 32mFrontier
Deal found 5/5$139

Orange County to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Orange County and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
Listed are some of the best fares we've found on flights departing from Orange County to Illinois in 2024. Check back regularly for other flight deals.
Tue 5/216:45 amSNA - STL
1 stop26h 01mSpirit Airlines
Wed 5/2911:36 amSTL - SNA
1 stop24h 27mSpirit Airlines
Deal found 5/5$114
Tue 5/211:20 pmSNA - STL
1 stop19h 26mSpirit Airlines
Wed 5/2911:36 amSTL - SNA
2 stops28h 46mSpirit Airlines
Deal found 5/5$127
Mon 5/2012:59 pmSNA - STL
1 stop6h 32mFrontier
Wed 5/297:23 pmSTL - SNA
1 stop26h 32mFrontier
Deal found 5/5$128
Wed 5/296:45 amSNA - ORD
1 stop8h 11mSpirit Airlines
Wed 6/57:00 amORD - SNA
2 stops16h 59mSpirit Airlines
Deal found 5/4$129
Wed 5/296:45 amSNA - ORD
1 stop8h 11mSpirit Airlines
Wed 6/512:32 pmORD - SNA
1 stop11h 27mSpirit Airlines
Deal found 5/4$134
Tue 5/211:20 pmSNA - STL
1 stop19h 26mMultiple Airlines
Thu 5/307:23 pmSTL - SNA
1 stop18h 46mMultiple Airlines
Deal found 5/5$135
Mon 5/2012:59 pmSNA - STL
1 stop6h 32mFrontier
Thu 5/307:23 pmSTL - SNA
1 stop18h 46mFrontier
Deal found 5/5$136
Mon 5/208:40 pmSNA - ORD
1 stop22h 35mFrontier
Wed 5/297:59 pmORD - SNA
1 stop25h 56mFrontier
Deal found 5/4$139
Wed 5/227:39 pmSNA - STL
1 stop24h 27mFrontier
Wed 5/297:23 pmSTL - SNA
1 stop26h 32mFrontier
Deal found 5/5$139

Non-stop flights to Illinois from Orange County

Discover non-stop flight options from Orange County to Illinois. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
To help reduce your travel time, choose from one of these non-stop flights from Orange County to Illinois. Search for alternative flights from Orange County to Illinois by utilizing the search form above.
Fri 5/314:55 pmSNA - ORD
Nonstop4h 01mUnited Airlines
Mon 6/37:15 amORD - SNA
Nonstop4h 27mUnited Airlines
Deal found 5/4$379
Wed 7/177:00 amSNA - ORD
Nonstop4h 15mUnited Airlines
Wed 8/147:15 amORD - SNA
Nonstop4h 27mUnited Airlines
Deal found 5/4$418
Thu 5/231:33 pmSNA - ORD
Nonstop4h 06mAmerican Airlines
Mon 5/278:20 amORD - SNA
Nonstop4h 24mAmerican Airlines
Deal found 5/4$422
Sat 5/257:50 amSNA - ORD
Nonstop4h 08mAmerican Airlines
Sat 6/18:20 amORD - SNA
Nonstop4h 24mAmerican Airlines
Deal found 5/4$424
Tue 7/167:50 amSNA - ORD
Nonstop4h 15mAmerican Airlines
Tue 8/135:20 pmORD - SNA
Nonstop4h 17mAmerican Airlines
Deal found 5/4$448
Fri 5/247:50 amSNA - ORD
Nonstop4h 08mAmerican Airlines
Thu 5/305:30 pmORD - SNA
Nonstop4h 23mAmerican Airlines
Deal found 5/4$464
Thu 7/2511:30 amSNA - ORD
Nonstop4h 14mAmerican Airlines
Sun 8/48:16 amORD - SNA
Nonstop4h 24mAmerican Airlines
Deal found 5/5$465
Sat 7/205:15 pmSNA - ORD
Nonstop4h 01mUnited Airlines
Thu 7/257:35 pmORD - SNA
Nonstop4h 22mUnited Airlines
Deal found 5/4$469
Thu 6/138:00 amSNA - ORD
Nonstop4h 13mAmerican Airlines
Mon 6/178:05 amORD - SNA
Nonstop4h 22mAmerican Airlines
Deal found 5/4$491

Orange County to Illinois flights leaving soon

Find last-minute flight options from Orange County to Illinois for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
Book one of these great deals on flights from Orange County to Illinois. Tip: verify your flight details before completing your reservation.
Wed 5/153:57 pmSNA - ORD
1 stop6h 59mFrontier
Wed 5/297:59 pmORD - SNA
1 stop25h 56mFrontier
Deal found 5/4$158
Mon 5/131:51 pmSNA - STL
1 stop5h 12mFrontier
Wed 5/157:51 pmSTL - SNA
1 stop26h 04mFrontier
Deal found 5/5$160
Sat 5/118:27 pmSNA - STL
1 stop16h 02mFrontier
Wed 5/157:51 pmSTL - SNA
1 stop26h 04mFrontier
Deal found 5/5$165
Wed 5/153:57 pmSNA - ORD
1 stop6h 59mMultiple Airlines
Wed 5/297:00 amORD - SNA
2 stops16h 30mMultiple Airlines
Deal found 5/4$174
Mon 5/138:31 pmSNA - ORD
1 stop26h 25mMultiple Airlines
Wed 5/157:00 amORD - SNA
2 stops16h 30mMultiple Airlines
Deal found 5/5$176
Wed 5/153:57 pmSNA - ORD
1 stop6h 59mMultiple Airlines
Tue 5/2810:52 pmORD - SNA
1 stop13h 11mMultiple Airlines
Deal found 5/4$177
Tue 5/141:20 pmSNA - ORD
1 stop15h 10mSpirit Airlines
Wed 5/291:13 pmORD - SNA
1 stop10h 17mSpirit Airlines
Deal found 5/4$181
Wed 5/153:57 pmSNA - ORD
1 stop6h 59mFrontier
Thu 5/307:59 pmORD - SNA
1 stop18h 10mFrontier
Deal found 5/4$182
Sat 5/118:27 pmSNA - STL
1 stop16h 02mMultiple Airlines
Mon 5/134:05 pmSTL - SNA
1 stop7h 25mMultiple Airlines
Deal found 5/5$182

One-way flights to Illinois from Orange County

Search for one-way flight options from Orange County to Illinois. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
Users in need of a one-way flight from Orange County to Illinois can choose from these deals. Those needing a return flight from Orange County to Illinois can use the search form above.
Wed 5/296:45 amSNA - ORD
1 stop8h 11mSpirit Airlines
Deal found 5/5$64
Thu 5/303:12 pmSNA - STL
1 stop22h 02mSpirit Airlines
Deal found 5/5$72
Tue 6/46:45 amSNA - ORD
1 stop5h 27mSpirit Airlines
Deal found 5/5$75
Tue 6/46:45 amSNA - ORD
3 stops24h 29mSpirit Airlines
Deal found 5/5$78
Wed 6/128:56 amSNA - STL
1 stop11h 11mFrontier
Deal found 5/5$78
Tue 6/41:20 pmSNA - ORD
1 stop6h 35mSpirit Airlines
Deal found 5/5$79
Wed 5/296:45 amSNA - ORD
2 stops14h 44mSpirit Airlines
Deal found 5/5$80
Tue 6/41:20 pmSNA - ORD
2 stops22h 20mSpirit Airlines
Deal found 5/5$82
Sat 6/810:26 amSNA - STL
1 stop26h 11mFrontier
Deal found 5/5$82

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 2,719,943 searches. Data last updated May 5, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$114 - $323

Route

Depart

Return

Price

Santa Ana J. Wayne/Orange CntyLambert-St Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Tue 5/21

1 stop26h 01m

Lambert-St Louis

Wed 5/29

1 stop24h 27m

$114

Santa Ana J. Wayne/Orange CntyLambert-St Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Tue 5/21

1 stop19h 26m

Lambert-St Louis

Wed 5/29

2 stops28h 46m

$127

Santa Ana J. Wayne/Orange CntyLambert-St Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Mon 5/20

1 stop6h 32m

Lambert-St Louis

Wed 5/29

1 stop26h 32m

$128

Santa Ana J. Wayne/Orange CntyLambert-St Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Tue 5/21

1 stop19h 26m

Lambert-St Louis

Thu 5/30

1 stop18h 46m

$135

Santa Ana J. Wayne/Orange CntyLambert-St Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Mon 5/20

1 stop6h 32m

Lambert-St Louis

Thu 5/30

1 stop18h 46m

$136

Santa Ana J. Wayne/Orange CntyLambert-St Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Wed 5/22

1 stop24h 27m

Lambert-St Louis

Wed 5/29

1 stop26h 32m

$139

Santa Ana J. Wayne/Orange CntyChicago O'Hare Intl

SNA - ORD

SNAORD

Santa Ana J. Wayne/Orange Cnty

Thu 6/6

1 stop11h 42m

Chicago O'Hare Intl

Tue 6/11

1 stop13h 28m

$163

Long Beach MunicipalLambert-St Louis

LGB - STL

LGBSTL

Long Beach Municipal

Tue 7/2

1 stop5h 39m

Lambert-St Louis

Tue 7/9

1 stop9h 00m

$280

Santa Ana J. Wayne/Orange CntyGreater Peoria

SNA - PIA

SNAPIA

Santa Ana J. Wayne/Orange Cnty

Fri 5/17

1 stop6h 02m

Greater Peoria

Tue 5/28

1 stop7h 04m

$323

Flights are sorted by cheapest first

Deals found on 5/5

No data available for this route at this time. Please check back soon.

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 May 5, 2024.
See what other customers who have flown with Spirit Airlines, Frontier and Delta 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.
Alaska Airlines
8.1
Very good
9,134 reviews
Check prices

Overall

8.1

Entertainment

7.3

Food

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,134 reviews
Alaska Airlines
8.1
Very good
9,134 reviews
Check prices

Overall

8.1

Entertainment

7.3

Food

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.1
Very good
10,826 reviews
Alaska Airlines
8.1
Very good
9,134 reviews
Check prices

Overall

8.1

Entertainment

7.3

Food

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
11,118 reviews
Alaska Airlines
8.1
Very good
9,134 reviews
Check prices

Overall

8.1

Entertainment

7.3

Food

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,713 reviews
Alaska Airlines
8.1
Very good
9,134 reviews
Check prices

Overall

8.1

Entertainment

7.3

Food

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Spirit Airlines
6.4
Okay
8,721 reviews
Alaska Airlines
8.1
Very good
9,134 reviews
Check prices

Overall

8.1

Entertainment

7.3

Food

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

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.

  • Can I find flights from Orange County to Illinois for under $200 on Cheapflights?

    Yes, there are multiple flights from Orange County to Illinois for under $200. The cheapest flight booked recently is on Spirit Airlines for just $114, but on average you can expect to pay $147.

  • Are there nonstop flights from Orange County to Illinois for under $400 on Cheapflights?

    Cheapflights has at least 20 direct flights from Orange County to Illinois under $400. A good price for a nonstop flight from Orange County to Illinois is less than $517.

  • Are there last-minute flights available from Orange County to Illinois for under $200?

    There are currently 20+ open flights from Orange County to Illinois within the next 7 days for less than $200.

  • What days are nonstop flights available from Orange County to Illinois?

    Days when nonstop flights are available for this flight are: Sunday, Friday.

  • How many flights depart from Orange County to Illinois on average per day?

    On average 5 flights depart from Orange County to Illinois per day.
    Morning (6am - Noon) - 40% of flight departures
    Afternoon (Noon - 6pm) - 60% of flight departures

  • How long is the flight from Orange County to Illinois?

    Spirit Airlines and Frontier can get you from Orange County to Illinois in just under 6h 32m. Your travel time can differ by up to 19h 29m. The distance from Orange County to Illinois is about 1732 mi. This flight may include one or multiple stops.

  • What does SNA to ORD mean?

    SNA stands for Santa Ana J. Wayne/Orange Cnty Airport, while ORD stands for Chicago O'Hare Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI).

  • Can I find deals for flights from Orange County to Illinois that include extra baggage allowance?

    The amount of baggage you can bring on your Orange County to Illinois flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Orange County to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter Orange County to Illinois flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Orange County to Illinois that allow pets onboard?

    Many airlines flying from Orange County to Illinois offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Orange County to Illinois?

    Yes, you can often find last-minute deals on Orange County to Illinois flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Orange County to Illinois flight deals updated?

    The Orange County to Illinois flight deals you see on this page were last updated on 5/5.

See more FAQs

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

Los Angeles to Newark flights
Los Angeles to John F Kennedy Intl flights
Los Angeles to Seattle flights
San Francisco to John F Kennedy Intl flights
Los Angeles to Honolulu flights
Los Angeles to Dallas/Fort Worth flights
Los Angeles to LaGuardia flights
San Francisco to Seattle flights
Los Angeles to O'Hare Intl flights
Los Angeles to Boston flights
San Francisco to Newark flights
Los Angeles to Las Vegas flights
Los Angeles to Miami flights
Ontario to John F Kennedy Intl flights
San Francisco to Los Angeles flights
San Francisco to LaGuardia flights
San Francisco to Las Vegas flights
Los Angeles to San Francisco flights
Los Angeles to Orlando flights
Los Angeles to Fort Lauderdale flights
Burbank to Newark flights
San Francisco to Boston flights
Santa Ana to Seattle flights
Los Angeles to Portland flights
San Jose to Los Angeles flights
Los Angeles to San Jose flights
Burbank to Las Vegas flights
San Francisco to Dallas/Fort Worth flights
Los Angeles to Reagan-National flights
Oakland to Los Angeles flights
San Francisco to O'Hare Intl flights
Ontario to Dallas/Fort Worth flights
Los Angeles to Hobby flights
Santa Ana to Las Vegas flights
Ontario to Seattle flights
Oakland to Newark flights
Los Angeles to Atlanta flights
San Francisco to Honolulu flights
Los Angeles to Oakland flights
Oakland to Las Vegas flights
Burbank to Seattle flights
Los Angeles to George Bush Intcntl flights
San Francisco to San Diego flights
Los Angeles to Midway flights
San Francisco to Ontario flights
San Jose to Seattle flights
Los Angeles to Kahului flights
Los Angeles to Sky Harbor Intl flights
San Diego to Seattle flights
Los Angeles to Denver flights

Top 6 airlines flying from Orange County to Illinois

Discover the top 6 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 2,719,943 searches. Data last updated May 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$124Average$229FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapest$160Average$243FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapest$199Average$396FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$228Average$505FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$246Average$533FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Alaska AirlinesCheapest$248Average$554FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Atlanta to Tampa flights
Atlanta to Toronto flights
San Francisco to Chicago flights
Seattle to Chicago flights
Los Angeles to Bali flights
New York to Berlin flights
Texas to Florida flights
San Francisco to Cancún flights
Boston to Chicago flights
Atlanta to Chicago flights
Denver to Detroit flights
Orange County to Indiana flights

Search flights from Orange County to Illinois by cabin class

Find flights from Orange County to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from Orange County to Illinois

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 May 5, 2024.
1%of flight departuresEarly morningMidnight to 6 am
67%of flight departuresMorning6 am to noon
32%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Saint Peter Jersey
Flights to Kirkwall Arpt
Flights to Skiathos
Flights to Naxos
Flights to Ningbo Lishe Intl
Flights to Edremit/Korfez
Flights to Bourgas
Flights to Bodø
Flights to Pellston Emmet County
Flights to Cornwall Newquay
Flights to Ordu/Giresun
Flights to Batumi
Flights to Mason City
Flights to Biarritz Parme
Flights to Zakynthos Dionsios Salomos
Flights to Cortez Montezuma County
Flights to Clermont-Ferrand Aulnat
Flights to Nevsehir
Flights to Hyannis Barnstable
Flights to Girona Costa Brava
Flights to Kagoshima
Flights to Perugia Sant Egidio
Flights to Oran Es Senia
Flights to Chios

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Orange County to Illinois?

Deals for Orange County to Illinois flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Orange County to Illinois?

Cheapflights simply makes it quick and affordable to book flights from Orange County to Illinois by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Orange County to Illinois with no change fees?

Certainly. Search results for flights to Illinois from Orange County shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Orange County to Illinois become cheaper?

Yes, Cheapflights offers price alerts on Orange County to Illinois flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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.
View all available airlines