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St. Louis

$238+ Cheap flights from Wilmington to St. Louis (ILM - STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
ILM — STL
ago. 18 — ago. 251
lun. 8/18
lun. 8/25
1 adult, Economy
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Cheap flight deals from Wilmington to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Wilmington (ILM) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated agosto 13, 2025.

Round-trip from

$238
(American Airlines)

Popular in

January

Cheapest in

August

Average price

$231
From Wilmington New Hanover County to Lambert-St Louis
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Highest demand for flights based on searches. 8% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Wilmington to St. Louis

Cheapest flights from Wilmington to St. Louis
Explore the most affordable flight options available from Wilmington to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 13, 2025.

This American Airlines deal was found by Cheapflights users on 8/11. 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.
sáb. 8/306:35 amILM - STL
1 stop4h 58mAmerican Airlines
mié. 9/39:45 amSTL - ILM
1 stop6h 00mAmerican Airlines
Deal found 8/11$238
This American Airlines deal was found by Cheapflights users on 8/11. 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.
vie. 9/268:20 amILM - STL
1 stop5h 52mAmerican Airlines
mar. 9/306:29 amSTL - ILM
1 stop4h 10mAmerican Airlines
Deal found 8/11$268
This American Airlines deal was found by Cheapflights users on 8/11. 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.
sáb. 11/13:06 pmILM - STL
2 stops8h 00mAmerican Airlines
dom. 11/25:00 amSTL - ILM
1 stop6h 37mAmerican Airlines
Deal found 8/11$273
This Delta deal was found by Cheapflights users on 8/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/196:45 amILM - STL
1 stop5h 25mDelta
sáb. 8/233:36 pmSTL - ILM
1 stop6h 36mDelta
Deal found 8/12$275
This American Airlines deal was found by Cheapflights users on 8/11. 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.
dom. 9/76:32 pmILM - STL
1 stop6h 21mAmerican Airlines
sáb. 9/136:00 amSTL - ILM
1 stop6h 04mAmerican Airlines
Deal found 8/11$294
This American Airlines deal was found by Cheapflights users on 8/11. 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.
mar. 8/265:00 pmILM - STL
1 stop7h 14mAmerican Airlines
sáb. 8/306:00 amSTL - ILM
2 stops7h 45mAmerican Airlines
Deal found 8/11$328
This Delta deal was found by Cheapflights users on 8/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/316:00 amILM - STL
1 stop4h 15mDelta
dom. 11/25:00 amSTL - ILM
1 stop6h 36mDelta
Deal found 8/11$333
This American Airlines deal was found by Cheapflights users on 8/11. 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.
vie. 10/3112:44 pmILM - STL
1 stop4h 25mAmerican Airlines
dom. 11/22:17 pmSTL - ILM
2 stops8h 27mAmerican Airlines
Deal found 8/11$343
This American Airlines deal was found by Cheapflights users on 8/11. 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.
sáb. 8/166:35 amILM - STL
1 stop6h 36mAmerican Airlines
dom. 8/174:32 pmSTL - ILM
1 stop3h 44mAmerican Airlines
Deal found 8/11$353
This United Airlines deal was found by Cheapflights users on 8/11. 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.
mar. 8/122:31 pmILM - STL
2 stops9h 14mUnited Airlines
lun. 8/186:33 amSTL - ILM
1 stop7h 51mUnited Airlines
Deal found 8/11$367
This United Airlines deal was found by Cheapflights users on 8/12. 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.
mié. 8/277:05 amILM - STL
2 stops9h 39mUnited Airlines
dom. 8/316:00 amSTL - ILM
1 stop6h 44mUnited Airlines
Deal found 8/12$384

Cheapflights Fare Finder

 
Customize your flight search to find flights from Wilmington to St. Louis 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 agosto 13, 2025.
Use the filters below to find and compare flights from Wilmington to St. Louis that are best for you.

Fly from

Wilmington

Fly to

St. Louis

Route

Depart

Return

Price

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

sáb. 8/30

6:35 am-10:33 am

1 stop4h 58m

Lambert-St Louis

mié. 9/3

9:45 am-4:45 pm

1 stop6h 00m

$238

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

vie. 9/26

8:20 am-1:12 pm

1 stop5h 52m

Lambert-St Louis

mar. 9/30

6:29 am-11:39 am

1 stop4h 10m

$268

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

sáb. 11/1

12:48 pm-6:11 pm

1 stop6h 23m

Lambert-St Louis

dom. 11/2

5:00 am-1:07 pm

1 stop7h 07m

$268

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

mar. 8/26

9:38 am-4:14 pm

1 stop7h 36m

Lambert-St Louis

sáb. 8/30

6:00 am-1:46 pm

1 stop6h 46m

$275

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

dom. 9/7

6:32 pm-11:53 pm

1 stop6h 21m

Lambert-St Louis

sáb. 9/13

6:00 am-1:04 pm

1 stop6h 04m

$294

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

vie. 10/31

6:00 am-9:15 am

1 stop4h 15m

Lambert-St Louis

dom. 11/2

5:00 am-12:36 pm

1 stop6h 36m

$333

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

dom. 8/24

5:00 am-8:06 am

1 stop4h 06m

$368

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

dom. 8/24

10:32 am-4:35 pm

2 stops7h 03m

$968

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Best time to book a flight from Wilmington to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Wilmington 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 Wilmington to St. Louis

What is the cheapest month to book a flight from Wilmington to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Wilmington to St. Louis (average of $311). Flying from Wilmington to St. Louis in March is currently the most expensive (average of $356). 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 ILM to STL?

Find hourly flight availability from Wilmington to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 13, 2025.

It’s typically best to fly out from Wilmington to St. Louis in the afternoon. Doing so could potentially save you 7% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated agosto 13, 2025.
Read reviews from past customers who have flown Delta and American Airlines from Wilmington to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,979 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,979 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Wilmington to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Wilmington to St. Louis round-trip?

    Our cheapest airline available from Wilmington to St. Louis is American Airlines. Our recent data shows that you can find tickets from as low as $238 on this airline. Users have found that American Airlines is 26% cheaper than the other options available to this destination.

  • Can I find deals for flights from Wilmington to St. Louis that include hotel bookings?

    Yes. In addition to deals on Wilmington to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Wilmington to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Wilmington to St. Louis.

  • Can I find deals for business class flights from Wilmington to St. Louis?

    Yes. Cheapflights offers flight deals from Wilmington to St. Louis 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 Wilmington to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Wilmington to St. Louis (average of $311). Flying from Wilmington to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Chesterfield
Farmington
Festus

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Top 2 airlines flying from Wilmington to St. Louis

Discover the top 2 airlines that operate flights from Wilmington to St. Louis. 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 agosto 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$200Average$305FlexibilityNo cancel feeOn-time71%
DeltaCheapest$232Average$362FlexibilityNo cancel feeOn-timeN/A

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