HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$165+ Cheap flights from Corpus Christi (CRP) 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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
CRP — ORD
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Corpus Christi to Illinois 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.

Cheap flight deals from Corpus Christi to Illinois

Keep the following information in mind while searching for Corpus Christi to Illinois flight deals. Data was last updated September 17, 2025.

Round-trip from

$255
(Southwest)

One-way from

$165
(American Airlines)

Popular in

March

Cheapest in

October

Average price

$552
From Corpus Christi to Illinois
Search Deals
One-way flight from Corpus Christi to Illinois
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Corpus Christi to Illinois

Cheapest flights from Corpus Christi to Illinois
Explore the most affordable flight options available from Corpus Christi to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Southwest deal was found by Cheapflights users on 9/14. 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.
Wed 10/155:25 pmCRP - STL
1 stop4h 35mSouthwest
Sun 10/197:00 amSTL - CRP
1 stop4h 00mSouthwest
Deal found 9/14$255
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 10/92:05 pmCRP - STL
1 stop4h 52mUnited Airlines
Fri 10/108:25 amSTL - CRP
1 stop27h 12mUnited Airlines
Deal found 9/14$317
This Southwest deal was found by Cheapflights users on 9/15. 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.
Sun 10/196:00 pmCRP - STL
1 stop6h 05mSouthwest
Tue 10/2112:45 pmSTL - CRP
2 stops7h 35mSouthwest
Deal found 9/15$350
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 11/206:44 amCRP - ORD
1 stop6h 54mAmerican Airlines
Sun 11/237:29 amORD - CRP
1 stop7h 49mAmerican Airlines
Deal found 9/16$367
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 10/147:37 pmCRP - ORD
1 stop13h 44mUnited Airlines
Wed 10/227:10 amORD - CRP
1 stop12h 18mUnited Airlines
Deal found 9/15$373
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/167:37 pmCRP - ORD
1 stop4h 37mUnited Airlines
Wed 10/227:10 amORD - CRP
1 stop15h 00mUnited Airlines
Deal found 9/15$390
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/177:37 pmCRP - ORD
1 stop4h 37mUnited Airlines
Thu 10/237:10 amORD - CRP
1 stop15h 00mUnited Airlines
Deal found 9/15$400
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Thu 10/238:18 pmCRP - ORD
1 stop12h 27mAmerican Airlines
Tue 10/285:17 pmORD - CRP
1 stop5h 38mAmerican Airlines
Deal found 9/17$405
This American Airlines deal was found by Cheapflights users on 9/16. 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 12/56:42 pmCRP - ORD
1 stop4h 53mAmerican Airlines
Sun 12/75:18 amORD - CRP
1 stop6h 23mAmerican Airlines
Deal found 9/16$417
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/172:05 pmCRP - ORD
1 stop7h 31mUnited Airlines
Mon 10/204:50 pmORD - CRP
1 stop5h 20mUnited Airlines
Deal found 9/16$423
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 10/145:20 amCRP - ORD
1 stop17h 17mUnited Airlines
Fri 10/179:05 pmORD - CRP
1 stop14h 32mUnited Airlines
Deal found 9/15$424
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sun 10/125:20 amCRP - ORD
1 stop4h 50mUnited Airlines
Wed 10/157:10 amORD - CRP
1 stop6h 08mUnited Airlines
Deal found 9/15$427

Cheapflights Fare Finder

 
Customize your flight search to find flights from Corpus Christi 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 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Corpus Christi to Illinois that are best for you.

Fly from

Corpus Christi

Fly to

Illinois

Route

Depart

Return

Price

Corpus ChristiSt. Louis

CRP - STL

CRPSTL

Corpus Christi

Sun 10/19

6:00 pm-12:05 am

1 stop6h 05m

Lambert-St Louis

Tue 10/21

7:55 am-12:15 pm

1 stop4h 20m

$255

Corpus ChristiSt. Louis

CRP - STL

CRPSTL

Corpus Christi

Wed 10/15

5:25 pm-10:00 pm

1 stop4h 35m

Lambert-St Louis

Sun 10/19

7:00 am-11:00 am

1 stop4h 00m

$255

Corpus ChristiChicago

CRP - ORD

CRPORD

Corpus Christi

Wed 11/5

6:46 pm-11:37 pm

1 stop4h 51m

Chicago O'Hare Intl

Sat 11/8

5:10 pm-10:59 pm

1 stop5h 49m

$312

Corpus ChristiSt. Louis

CRP - STL

CRPSTL

Corpus Christi

Thu 10/9

2:05 pm-6:57 pm

1 stop4h 52m

Lambert-St Louis

Fri 10/10

8:25 am-11:37 am

1 stop27h 12m

$317

Corpus ChristiPeoria

CRP - PIA

CRPPIA

Corpus Christi

Sat 2/21

12:20 pm-9:31 pm

2 stops9h 11m

Greater Peoria

Tue 2/24

1:25 pm-11:23 pm

2 stops9h 58m

$339

Corpus ChristiChicago

CRP - ORD

CRPORD

Corpus Christi

Wed 10/15

7:04 am-9:36 pm

1 stop14h 32m

Chicago O'Hare Intl

Sat 10/18

12:45 pm-9:47 pm

1 stop9h 02m

$373

Corpus ChristiChicago

CRP - ORD

CRPORD

Corpus Christi

Wed 10/15

7:37 pm-7:50 am

1 stop12h 13m

Chicago O'Hare Intl

Thu 10/23

7:10 am-7:28 pm

1 stop12h 18m

$373

Corpus ChristiChicago

CRP - ORD

CRPORD

Corpus Christi

Tue 10/14

7:37 pm-9:21 am

1 stop13h 44m

Chicago O'Hare Intl

Wed 10/22

7:10 am-7:28 pm

1 stop12h 18m

$373

Corpus ChristiChicago

CRP - ORD

CRPORD

Corpus Christi

Tue 10/14

5:20 am-9:36 pm

1 stop16h 16m

Chicago O'Hare Intl

Sat 10/18

12:45 pm-9:47 pm

1 stop9h 02m

$373

Corpus ChristiChicago

CRP - ORD

CRPORD

Corpus Christi

Wed 2/25

5:20 am-11:09 am

1 stop5h 49m

Chicago O'Hare Intl

Thu 2/26

7:35 am-9:42 pm

1 stop14h 07m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 28 results
1
2
3

Best time to book a flight from Corpus Christi to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Corpus Christi 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 Corpus Christi to Illinois

What is the cheapest month to book a flight from Corpus Christi to Illinois?

Currently, August is the cheapest month in which you can book a flight from Corpus Christi to Illinois (average of $245). Flying from Corpus Christi to Illinois 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 CRP to IL?

Find hourly flight availability from Corpus Christi 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 September 17, 2025.

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

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 September 17, 2025.
Peruse reviews from past customers who have flown with Southwest, United Airlines, and American Airlines from Corpus Christi to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,926 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Corpus Christi to Illinois. 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 Corpus Christi to Illinois?

    Corpus Christi (CRP), located 6.7 mi from the city center, is the airport you fly out of when you book flights from Corpus Christi to Illinois.

  • How long is the flight from Corpus Christi to Illinois?

    Southwest, American Airlines, and United Airlines can get you from Corpus Christi to Illinois in just under 4h 51m. Your travel time can differ by up to 1h 14m. Airlines will cover a distance of 1120 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Corpus Christi to Illinois one-way?

    $165 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Southwest and United Airlines, with prices starting from $229 and $234, respectively.

  • What are the most popular routes from Corpus Christi to Illinois?

    When deciding which route to take from Corpus Christi to Illinois consider Corpus Christi - Chicago O'Hare Intl, Corpus Christi - Lambert-St Louis or Corpus Christi - Moline Quad-City as they are the most popular.

  • Can I find deals for flights from Corpus Christi to Illinois that include hotel bookings?

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

  • How can I find direct flights from Corpus Christi to Illinois?

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

  • Can I find deals for business class flights from Corpus Christi to Illinois?

    Yes. Cheapflights offers flight deals from Corpus Christi 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 Corpus Christi to Illinois?

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

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 Corpus Christi to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to John F Kennedy Intl flights
Dallas/Fort Worth to LaGuardia flights
Dallas/Fort Worth to Las Vegas flights
Dallas/Fort Worth to O'Hare Intl flights
Dallas/Fort Worth to Seattle flights
Dallas/Fort Worth to Denver flights
Dallas/Fort Worth to Los Angeles flights
Dallas/Fort Worth to Newark flights
Hobby to John F Kennedy Intl flights
Hobby to Newark flights
Dallas/Fort Worth to Boston flights
Hobby to Las Vegas flights
Hobby to LaGuardia flights
Dallas/Fort Worth to Orlando flights
Dallas/Fort Worth to Dulles Intl flights
Dallas/Fort Worth to Midway flights
George Bush Intcntl to Las Vegas flights
George Bush Intcntl to Newark flights
George Bush Intcntl to John F Kennedy Intl flights
Austin to Las Vegas flights
Dallas/Fort Worth to San Francisco flights
Hobby to Denver flights
Dallas/Fort Worth to Sky Harbor Intl flights
Dallas/Fort Worth to Miami flights
Dallas/Fort Worth to Baltimore flights
Austin to Newark flights
Austin to John F Kennedy Intl flights
George Bush Intcntl to LaGuardia flights
Hobby to Orlando flights
Love Field to Las Vegas flights
Dallas/Fort Worth to Atlanta flights
Dallas/Fort Worth to San Diego flights
Hobby to Los Angeles flights
Hobby to Seattle flights
Dallas/Fort Worth to Fort Lauderdale flights
George Bush Intcntl to Denver flights
Hobby to Reagan-National flights
Dallas/Fort Worth to Reagan-National flights
Hobby to Baltimore flights
Dallas/Fort Worth to Santa Ana flights
Hobby to Dulles Intl flights
Hobby to Boston flights
Hobby to O'Hare Intl flights
Love Field to LaGuardia flights
Austin to LaGuardia flights
George Bush Intcntl to Los Angeles flights
Austin to Los Angeles flights
Dallas/Fort Worth to Philadelphia flights
Austin to O'Hare Intl flights
Dallas/Fort Worth to Salt Lake City flights

Top 3 airlines flying from Corpus Christi to Illinois

Discover the top 3 airlines that operate flights from Corpus Christi 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 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$182Average$376FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$276Average$391FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$346Average$794FlexibilityNo 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.