HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$167+ 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
Apr 28 — May 51
Tue 4/28
Tue 5/5
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

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 March 29, 2026.

This United Airlines deal was found by Cheapflights users on 3/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:15 am
CRP
-
STL
1 stop4h 15m
United Airlines
Sat 5/96:00 am
STL
-
CRP
1 stop7h 23m
United Airlines
Deal found 3/26$307
This American Airlines deal was found by Cheapflights users on 3/25. 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 12/95:41 am
CRP
-
STL
1 stop4h 56m
American Airlines
Sat 12/1211:35 am
STL
-
CRP
1 stop5h 15m
American Airlines
Deal found 3/25$313
This Southwest deal was found by Cheapflights users on 3/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1112:35 pm
CRP
-
STL
1 stop5h 30m
Southwest
Tue 4/148:35 am
STL
-
CRP
1 stop7h 10m
Southwest
Deal found 3/25$339
This United Airlines deal was found by Cheapflights users on 3/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:15 am
CRP
-
MLI
2 stops7h 43m
United Airlines
Wed 8/262:29 pm
MLI
-
CRP
2 stops8h 30m
United Airlines
Deal found 3/26$349
This American Airlines deal was found by Cheapflights users on 3/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:21 pm
CRP
-
ORD
1 stop5h 27m
American Airlines
Mon 4/274:40 pm
ORD
-
CRP
1 stop6h 17m
American Airlines
Deal found 3/26$370
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/227:35 pm
CRP
-
ORD
1 stop5h 10m
United Airlines
Sat 4/258:51 am
ORD
-
CRP
1 stop6h 40m
United Airlines
Deal found 3/27$377
This American Airlines deal was found by Cheapflights users on 3/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:21 pm
CRP
-
ORD
1 stop5h 27m
American Airlines
Fri 5/15:00 am
ORD
-
CRP
1 stop6h 55m
American Airlines
Deal found 3/26$389
This United Airlines deal was found by Cheapflights users on 3/24. 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 4/197:35 pm
CRP
-
ORD
1 stop5h 51m
United Airlines
Thu 4/237:30 am
ORD
-
CRP
1 stop5h 48m
United Airlines
Deal found 3/24$390
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Wed 4/84:06 pm
CRP
-
ORD
1 stop5h 25m
United Airlines
Wed 4/225:48 am
ORD
-
CRP
1 stop5h 33m
United Airlines
Deal found 3/25$391
This United Airlines deal was found by Cheapflights users on 3/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/122:15 pm
CRP
-
ORD
1 stop7h 36m
United Airlines
Sat 5/168:46 am
ORD
-
CRP
1 stop6h 51m
United Airlines
Deal found 3/26$394
This Southwest deal was found by Cheapflights users on 3/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/611:50 am
CRP
-
STL
2 stops11h 20m
Southwest
Sat 6/205:20 am
STL
-
CRP
1 stop6h 00m
Southwest
Deal found 3/26$398
This Southwest deal was found by Cheapflights users on 3/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:35 am
CRP
-
ORD
2 stops11h 50m
Southwest
Wed 4/2211:55 am
ORD
-
CRP
2 stops9h 40m
Southwest
Deal found 3/25$401

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 March 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$307
(United Airlines)

One-way from

$167
(United Airlines)

Popular in

January

Cheapest in

October

Average price

$476
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. 19% potential increase in price ($118 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 March 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 March 29, 2026.
Use the filters below to find and compare flights from Corpus Christi to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Corpus ChristiSt. Louis

CRP - STL

CRPSTL

Corpus Christi

Tue 5/5

5:15 am-9:30 am

1 stop4h 15m

Lambert-St Louis

Sat 5/9

6:00 am-11:26 am

1 stop5h 26m

$307

Corpus ChristiSt. Louis

CRP - STL

CRPSTL

Corpus Christi

Sat 4/11

12:35 pm-6:05 pm

1 stop5h 30m

Lambert-St Louis

Tue 4/14

8:35 am-3:45 pm

1 stop7h 10m

$339

Corpus ChristiMoline

CRP - MLI

CRPMLI

Corpus Christi

Sat 8/22

5:15 am-12:58 pm

2 stops7h 43m

Moline Quad-City

Wed 8/26

2:29 pm-10:59 pm

2 stops8h 30m

$349

Corpus ChristiChicago

CRP - ORD

CRPORD

Corpus Christi

Sun 4/19

7:35 pm-1:26 am

1 stop5h 51m

Chicago O'Hare Intl

Mon 4/27

5:48 am-11:21 am

1 stop5h 33m

$390

Corpus ChristiChicago

CRP - ORD

CRPORD

Corpus Christi

Sun 4/19

7:35 pm-1:26 am

1 stop5h 51m

Chicago O'Hare Intl

Thu 4/23

7:30 am-1:18 pm

1 stop5h 48m

$390

Corpus ChristiChicago

CRP - ORD

CRPORD

Corpus Christi

Tue 5/12

2:15 pm-9:51 pm

1 stop7h 36m

Chicago O'Hare Intl

Sat 5/16

12:40 pm-7:37 pm

1 stop6h 57m

$394

Corpus ChristiChicago

CRP - ORD

CRPORD

Corpus Christi

Wed 4/8

6:35 am-6:25 pm

2 stops11h 50m

Chicago O'Hare Intl

Wed 4/22

11:55 am-9:35 pm

2 stops9h 40m

$401

Corpus ChristiChicago

CRP - ORD

CRPORD

Corpus Christi

Fri 6/26

5:15 am-10:20 am

1 stop5h 05m

Chicago O'Hare Intl

Fri 6/26

5:45 pm-10:59 pm

1 stop5h 14m

$427

Corpus ChristiPeoria

CRP - PIA

CRPPIA

Corpus Christi

Tue 8/25

5:15 am-1:58 pm

2 stops8h 43m

Greater Peoria

Sat 8/29

5:45 am-5:23 pm

2 stops11h 38m

$429

Corpus ChristiChicago

CRP - ORD

CRPORD

Corpus Christi

Wed 4/22

6:35 am-9:55 pm

2 stops15h 20m

Chicago O'Hare Intl

Sat 4/25

12:15 pm-9:35 pm

2 stops9h 20m

$438

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 21 resultsSorted by cheapest first
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, 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.

How much does it cost to fly round-trip from Corpus Christi to Illinois?

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 March 29, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andAmerican 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
4,331 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
Southwest
8.0
Very good
4,331 reviews
Southwest
8.0
Very good
4,331 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
United Airlines
7.4
Good
9,509 reviews
Southwest
8.0
Very good
4,331 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
American Airlines
7.1
Good
11,520 reviews
Southwest
8.0
Very good
4,331 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

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 and United Airlines can get you from Corpus Christi to Illinois in just under 4h 15m. Your travel time can differ by up to 1h 20m. Airlines will cover a distance of 862 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

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 Las Vegas flights
Dallas/Fort Worth to Seattle flights
Dallas/Fort Worth to LaGuardia flights
Dallas/Fort Worth to John F Kennedy Intl flights
Dallas/Fort Worth to Newark flights
Dallas/Fort Worth to Orlando flights
Dallas/Fort Worth to Los Angeles flights
Dallas/Fort Worth to Denver flights
Dallas/Fort Worth to Dulles Intl flights
Hobby to Seattle flights
Dallas/Fort Worth to San Francisco flights
Dallas/Fort Worth to O'Hare Intl flights
Dallas/Fort Worth to Baltimore flights
Hobby to John F Kennedy Intl flights
Dallas/Fort Worth to Boston flights
Hobby to LaGuardia flights
Dallas/Fort Worth to Miami flights
Austin to Las Vegas flights
Austin to John F Kennedy Intl flights
George Bush Intcntl to Seattle flights
Dallas/Fort Worth to Sky Harbor Intl flights
Dallas/Fort Worth to Midway flights
George Bush Intcntl to John F Kennedy Intl flights
Hobby to Las Vegas flights
Dallas/Fort Worth to Reagan-National flights
Austin to Newark flights
Austin to Seattle flights
Dallas/Fort Worth to Fort Lauderdale flights
Dallas/Fort Worth to San Diego flights
George Bush Intcntl to LaGuardia flights
Hobby to Los Angeles flights
Dallas/Fort Worth to Ontario flights
Hobby to Denver flights
Dallas/Fort Worth to Atlanta flights
Hobby to Miami flights
Hobby to Orlando flights
Dallas/Fort Worth to Santa Ana flights
George Bush Intcntl to Las Vegas flights
San Antonio to Las Vegas flights
Dallas/Fort Worth to Salt Lake City flights
Dallas/Fort Worth to Tampa flights
Dallas/Fort Worth to Minneapolis flights
George Bush Intcntl to Los Angeles flights
Dallas/Fort Worth to Nashville flights
Hobby to Reagan-National flights
Austin to O'Hare Intl flights
Hobby to O'Hare Intl flights
Dallas/Fort Worth to Philadelphia flights
George Bush Intcntl to Denver flights
George Bush Intcntl to O'Hare Intl 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 March 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$182Average$366FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$308Average$423FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$332Average$545FlexibilityNo 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.