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$126+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
CRP — ORD
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap 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 February 12, 2026.

This Southwest deal was found by Cheapflights users on 2/9. 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.
Tue 3/175:00 pm
CRP
-
STL
1 stop5h 50m
Southwest
Thu 3/196:30 am
STL
-
CRP
1 stop5h 00m
Southwest
Deal found 2/9$251
This American Airlines deal was found by Cheapflights users on 2/9. 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 3/186:00 am
CRP
-
STL
1 stop4h 59m
American Airlines
Wed 3/186:50 pm
STL
-
CRP
1 stop5h 09m
American Airlines
Deal found 2/9$313
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Sat 3/74:13 pm
CRP
-
STL
1 stop5h 43m
United Airlines
Tue 3/1010:00 am
STL
-
CRP
2 stops9h 38m
United Airlines
Deal found 2/9$314
This Southwest deal was found by Cheapflights users on 2/9. 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.
Thu 2/266:05 pm
CRP
-
STL
2 stops5h 50m
Southwest
Tue 3/36:00 am
STL
-
CRP
1 stop6h 05m
Southwest
Deal found 2/9$322
This Southwest deal was found by Cheapflights users on 2/9. 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.
Sat 3/712:50 pm
CRP
-
STL
2 stops7h 55m
Southwest
Tue 3/102:15 pm
STL
-
CRP
2 stops8h 00m
Southwest
Deal found 2/9$340
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/125:25 am
CRP
-
ORD
1 stop4h 42m
United Airlines
Tue 3/1712:45 pm
ORD
-
CRP
1 stop6h 53m
United Airlines
Deal found 2/10$347
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Sat 4/115:20 am
CRP
-
ORD
1 stop4h 45m
United Airlines
Sat 4/185:48 am
ORD
-
CRP
1 stop7h 30m
United Airlines
Deal found 2/12$348
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Tue 3/1710:21 am
CRP
-
STL
1 stop6h 52m
American Airlines
Wed 3/185:12 am
STL
-
CRP
1 stop4h 39m
American Airlines
Deal found 2/9$353
This United Airlines deal was found by Cheapflights users on 2/9. 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 4/225:20 am
CRP
-
ORD
1 stop5h 47m
United Airlines
Sun 4/267:30 am
ORD
-
CRP
1 stop5h 48m
United Airlines
Deal found 2/9$371
This Southwest deal was found by Cheapflights users on 2/9. 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.
Sat 3/712:50 pm
CRP
-
STL
2 stops7h 55m
Southwest
Wed 3/118:35 am
STL
-
CRP
2 stops7h 50m
Southwest
Deal found 2/9$375
This Southwest deal was found by Cheapflights users on 2/11. 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.
Mon 6/15:10 pm
CRP
-
STL
1 stop6h 45m
Southwest
Fri 6/55:00 am
STL
-
CRP
1 stop5h 25m
Southwest
Deal found 2/11$377
This Southwest deal was found by Cheapflights users on 2/10. 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.
Thu 3/126:00 am
CRP
-
ORD
2 stops12h 35m
Southwest
Tue 3/172:40 pm
ORD
-
CRP
2 stops7h 35m
Southwest
Deal found 2/10$387

Find 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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$251
(Southwest)

One-way from

$126
(United Airlines)

Popular in

January

Cheapest in

October

Average price

$434
Provider with most accurate pricing for Corpus Christi-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Corpus Christi-Chicago (CHI) flights.
Search Deals
From Corpus Christi to Illinois
Search Deals
One-way flight from Corpus Christi to Illinois
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 12, 2026.
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

Tue 3/17

5:00 pm-10:50 pm

1 stop5h 50m

Lambert-St Louis

Thu 3/19

6:30 am-11:30 am

1 stop5h 00m

$251

Corpus ChristiSt. Louis

CRP - STL

CRPSTL

Corpus Christi

Sat 3/7

12:50 pm-8:45 pm

2 stops7h 55m

Lambert-St Louis

Tue 3/10

2:15 pm-10:15 pm

2 stops8h 00m

$340

Corpus ChristiChicago

CRP - ORD

CRPORD

Corpus Christi

Thu 3/12

5:25 am-10:07 am

1 stop4h 42m

Chicago O'Hare Intl

Tue 3/17

12:45 pm-7:38 pm

1 stop6h 53m

$347

Corpus ChristiChicago

CRP - ORD

CRPORD

Corpus Christi

Wed 4/22

5:20 am-11:07 am

1 stop5h 47m

Chicago O'Hare Intl

Sun 4/26

7:30 am-1:18 pm

1 stop5h 48m

$371

Corpus ChristiSt. Louis

CRP - STL

CRPSTL

Corpus Christi

Mon 6/1

5:10 pm-11:55 pm

1 stop6h 45m

Lambert-St Louis

Fri 6/5

5:00 am-10:25 am

1 stop5h 25m

$377

Corpus ChristiSt. Louis

CRP - STL

CRPSTL

Corpus Christi

Wed 3/18

6:00 am-10:59 am

1 stop4h 59m

Lambert-St Louis

Sat 3/21

6:50 pm-11:59 pm

1 stop5h 09m

$380

Corpus ChristiSt. Louis

CRP - STL

CRPSTL

Corpus Christi

Tue 3/17

5:25 am-9:21 am

1 stop3h 56m

Lambert-St Louis

Wed 3/18

1:14 pm-11:15 pm

2 stops10h 01m

$386

Corpus ChristiSt. Louis

CRP - STL

CRPSTL

Corpus Christi

Wed 2/25

12:55 pm-4:30 pm

1 stop3h 35m

Lambert-St Louis

Sun 3/1

7:20 am-11:30 am

1 stop4h 10m

$391

Corpus ChristiSt. Louis

CRP - STL

CRPSTL

Corpus Christi

Fri 2/27

5:45 am-9:50 am

1 stop4h 05m

Lambert-St Louis

Tue 3/3

6:00 am-12:05 pm

1 stop6h 05m

$391

Corpus ChristiSt. Louis

CRP - STL

CRPSTL

Corpus Christi

Tue 3/17

6:00 am-10:59 am

1 stop4h 59m

Lambert-St Louis

Tue 3/17

6:08 pm-10:44 pm

1 stop4h 36m

$393

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 42 results
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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, November is the cheapest month in which you can book a flight from Corpus Christi to Illinois (average of $157). Flying from Corpus Christi to Illinois in February is currently the most expensive (average of $423). 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.

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 February 12, 2026.
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
4,283 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

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
4,283 reviews
Southwest
8.0
Very good
4,283 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

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
9,283 reviews
Southwest
8.0
Very good
4,283 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

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
11,273 reviews
Southwest
8.0
Very good
4,283 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

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, United Airlines, and American Airlines can get you from Corpus Christi to Illinois in just under 4h 42m. Your travel time can differ by up to 6h 37m. Airlines will cover a distance of 1120 mi. This flight may include one or multiple stops.

  • 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, November is the cheapest month in which you can book a flight from Corpus Christi to Illinois (average of $157). Flying from Corpus Christi to Illinois in February is currently the most expensive (average of $423). 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 Corpus Christi to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$182Average$366FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$276Average$411FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$332Average$704FlexibilityNo cancel feeOn-time63%

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