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$122+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
CRP — ORD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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 12/2512:15 pmCRP - ORD
1 stop4h 50mUnited Airlines
Tue 12/3010:35 amORD - CRP
1 stop5h 04mUnited Airlines
Deal found 12/10$384
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:45 amCRP - STL
1 stop5h 05mAmerican Airlines
Tue 12/305:16 amSTL - CRP
1 stop4h 25mAmerican Airlines
Deal found 12/11$391
This American Airlines deal was found by Cheapflights users on 12/9. 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.
Thu 12/2512:26 pmCRP - ORD
1 stop7h 11mAmerican Airlines
Mon 12/291:15 pmORD - CRP
1 stop7h 31mAmerican Airlines
Deal found 12/9$457
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:15 amCRP - STL
2 stops9h 11mUnited Airlines
Tue 12/308:05 amSTL - CRP
2 stops9h 59mUnited Airlines
Deal found 12/11$482
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Thu 12/255:15 amCRP - ORD
2 stops14h 47mUnited Airlines
Mon 12/296:20 pmORD - CRP
1 stop5h 04mUnited Airlines
Deal found 12/9$546
This Southwest deal was found by Cheapflights users on 12/10. 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 12/256:55 amCRP - ORD
2 stops14h 55mSouthwest
Tue 12/306:05 amORD - CRP
2 stops12h 00mSouthwest
Deal found 12/10$635
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sat 12/2012:15 pmCRP - ORD
1 stop4h 50mUnited Airlines
Fri 12/266:20 pmORD - CRP
1 stop5h 04mUnited Airlines
Deal found 12/10$682
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:40 amCRP - ORD
1 stop5h 14mAmerican Airlines
Thu 12/182:50 pmORD - CRP
1 stop7h 58mAmerican Airlines
Deal found 12/10$794
This Southwest deal was found by Cheapflights users on 12/10. 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 12/186:00 amCRP - ORD
2 stops6h 15mSouthwest
Thu 12/182:15 pmORD - CRP
2 stops9h 10mSouthwest
Deal found 12/10$807
This Southwest deal was found by Cheapflights users on 12/10. 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.
Sat 12/205:40 amCRP - ORD
2 stops7h 20mSouthwest
Fri 12/263:05 pmORD - CRP
2 stops8h 35mSouthwest
Deal found 12/10$815
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:40 amCRP - STL
1 stop6h 51mAmerican Airlines
Mon 12/153:59 pmSTL - CRP
1 stop6h 58mAmerican Airlines
Deal found 12/11$839
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/165:40 amCRP - ORD
2 stops6h 24mAmerican Airlines
Sun 12/2111:48 amORD - CRP
1 stop7h 38mAmerican Airlines
Deal found 12/10$849

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$243
(Southwest)

One-way from

$122
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$867
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. 14% potential increase in price ($87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 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

Tue 2/10

12:55 pm-4:30 pm

1 stop3h 35m

Lambert-St Louis

Tue 2/17

5:25 am-11:00 am

1 stop5h 35m

$243

Corpus ChristiSt. Louis

CRP - STL

CRPSTL

Corpus Christi

Tue 1/13

4:19 pm-10:00 pm

1 stop5h 41m

Lambert-St Louis

Sat 1/17

4:42 pm-9:44 pm

1 stop5h 02m

$295

Corpus ChristiChicago

CRP - ORD

CRPORD

Corpus Christi

Thu 1/15

7:05 pm-11:44 pm

1 stop4h 39m

Chicago O'Hare Intl

Sun 1/18

6:54 am-12:03 pm

1 stop5h 09m

$320

Corpus ChristiChicago

CRP - ORD

CRPORD

Corpus Christi

Fri 1/30

7:05 pm-8:38 am

1 stop13h 33m

Chicago O'Hare Intl

Mon 2/2

5:05 am-3:03 pm

1 stop9h 58m

$331

Corpus ChristiPeoria

CRP - PIA

CRPPIA

Corpus Christi

Sat 2/7

5:25 am-12:38 pm

2 stops7h 13m

Greater Peoria

Tue 2/10

6:30 am-3:35 pm

2 stops9h 05m

$339

Corpus ChristiChicago

CRP - ORD

CRPORD

Corpus Christi

Tue 2/17

5:25 am-10:07 am

1 stop4h 42m

Chicago O'Hare Intl

Tue 2/17

2:10 pm-7:38 pm

1 stop5h 28m

$356

Corpus ChristiChicago

CRP - ORD

CRPORD

Corpus Christi

Thu 12/25

12:15 pm-5:05 pm

1 stop4h 50m

Chicago O'Hare Intl

Tue 12/30

10:35 am-3:39 pm

1 stop5h 04m

$384

Corpus ChristiChicago

CRP - ORD

CRPORD

Corpus Christi

Tue 1/20

4:19 pm-9:26 pm

1 stop5h 07m

Chicago O'Hare Intl

Tue 1/27

2:12 pm-9:44 pm

1 stop7h 32m

$388

Corpus ChristiChicago

CRP - ORD

CRPORD

Corpus Christi

Tue 1/20

5:25 am-11:04 am

1 stop5h 39m

Chicago O'Hare Intl

Wed 1/28

8:54 am-3:35 pm

1 stop6h 41m

$388

Corpus ChristiChicago

CRP - ORD

CRPORD

Corpus Christi

Tue 1/20

4:19 pm-9:26 pm

1 stop5h 07m

Chicago O'Hare Intl

Thu 1/29

12:45 pm-7:50 pm

1 stop7h 05m

$400

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 21 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 $838). 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 December 12, 2025.

It’s typically best to fly out from Corpus Christi to Illinois in the evening. Doing so could potentially save you 17% on the flight price compared to flying in the morning, which is usually more expensive.

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 December 12, 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
7.9
Good
4,253 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

7.9

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
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

7.9

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
9,095 reviews
Southwest
7.9
Good
4,253 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

7.9

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
11,050 reviews
Southwest
7.9
Good
4,253 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

7.9

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 3h 35m. Your travel time can differ by up to 2h 06m. 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 $838). 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

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$182Average$366FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$276Average$406FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$332Average$704FlexibilityNo cancel feeOn-time63%

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