Wilmington

$130+ Cheap flights from St. Louis to Wilmington (STL - ILM)

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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ILM
Oct 17 — Oct 241
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Wilmington 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 St. Louis to Wilmington

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Wilmington (ILM). 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 September 17, 2025.

Round-trip from

$201
(American Airlines)

One-way from

$130
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$293
From Lambert-St Louis to Wilmington New Hanover County
One-way flight from Lambert-St Louis to Wilmington New Hanover County
Highest demand for flights based on searches. 12% potential increase in price ($49 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find flight deals from St. Louis to Wilmington

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

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.
Wed 10/226:00 amSTL - ILM
1 stop7h 26mAmerican Airlines
Sat 10/255:00 amILM - STL
1 stop4h 16mAmerican Airlines
Deal found 9/16$201
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.
Tue 10/148:30 amSTL - ILM
1 stop4h 16mAmerican Airlines
Sat 10/185:10 pmILM - STL
1 stop7h 08mAmerican Airlines
Deal found 9/16$238
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.
Sat 10/187:23 amSTL - ILM
1 stop5h 38mAmerican Airlines
Sun 10/195:00 amILM - STL
1 stop4h 16mAmerican Airlines
Deal found 9/17$268
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/161:15 pmSTL - ILM
1 stop7h 45mDelta
Tue 9/2310:12 amILM - STL
1 stop5h 23mDelta
Deal found 9/15$275
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/245:15 pmSTL - ILM
1 stop4h 24mDelta
Sat 10/257:10 amILM - STL
1 stop5h 28mDelta
Deal found 9/16$276
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/308:50 amSTL - ILM
1 stop6h 33mAmerican Airlines
Sat 10/46:25 amILM - STL
2 stops8h 06mAmerican Airlines
Deal found 9/15$280
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/231:41 pmSTL - ILM
1 stop21h 39mMultiple Airlines
Mon 10/271:00 pmILM - STL
2 stops21h 07mMultiple Airlines
Deal found 9/16$294
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:25 amSTL - ILM
1 stop6h 21mAmerican Airlines
Sun 10/195:00 amILM - STL
1 stop4h 16mAmerican Airlines
Deal found 9/15$305
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.
Sun 11/26:45 pmSTL - ILM
1 stop3h 59mAmerican Airlines
Sat 11/87:07 amILM - STL
2 stops7h 33mAmerican Airlines
Deal found 9/17$310
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/245:15 pmSTL - ILM
1 stop4h 24mDelta
Mon 10/275:55 pmILM - STL
1 stop6h 46mDelta
Deal found 9/16$335
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 10/236:00 amSTL - ILM
1 stop6h 29mAmerican Airlines
Sat 10/254:52 pmILM - STL
1 stop6h 42mAmerican Airlines
Deal found 9/16$338

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Wilmington 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 St. Louis to Wilmington that are best for you.

Fly from

St. Louis

Fly to

Wilmington

Route

Depart

Return

Price

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Sat 10/18

7:23 am-2:01 pm

1 stop5h 38m

Wilmington New Hanover County

Sun 10/19

5:00 am-8:16 am

1 stop4h 16m

$268

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Sun 11/2

7:00 am-1:06 pm

1 stop5h 06m

Wilmington New Hanover County

Sat 11/8

2:27 pm-9:00 pm

1 stop7h 33m

$268

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Wed 10/22

10:22 am-2:53 pm

1 stop3h 31m

Wilmington New Hanover County

Sun 10/26

6:00 am-9:56 am

1 stop4h 56m

$268

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Tue 9/30

1:15 pm-10:00 pm

1 stop7h 45m

Wilmington New Hanover County

Sat 10/4

4:30 pm-10:00 pm

1 stop6h 30m

$275

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Fri 10/24

5:15 pm-10:39 pm

1 stop4h 24m

Wilmington New Hanover County

Sat 10/25

7:10 am-11:38 am

1 stop5h 28m

$276

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Sat 10/25

6:00 am-10:44 am

1 stop3h 44m

Wilmington New Hanover County

Mon 10/27

5:55 pm-11:41 pm

1 stop6h 46m

$276

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Thu 10/23

1:41 pm-12:20 pm

1 stop21h 39m

Wilmington New Hanover County

Mon 10/27

1:00 pm-9:07 am

2 stops21h 07m

$294

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Tue 10/14

6:25 am-1:46 pm

1 stop6h 21m

Wilmington New Hanover County

Sun 10/19

5:00 am-8:16 am

1 stop4h 16m

$305

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Fri 10/24

5:15 pm-10:39 pm

1 stop4h 24m

Wilmington New Hanover County

Mon 10/27

5:55 pm-11:41 pm

1 stop6h 46m

$335

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Fri 10/24

4:45 pm-11:21 pm

1 stop5h 36m

Wilmington New Hanover County

Sun 10/26

6:00 am-9:56 am

1 stop4h 56m

$335

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 19 results
1
2

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

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

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

Currently, January is the cheapest month in which you can book a flight from St. Louis to Wilmington (average of $296). Flying from St. Louis to Wilmington in December is currently the most expensive (average of $385). 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 STL to ILM?

Find hourly flight availability from St. Louis to Wilmington. 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.

One of the essential ways to save on airfare from St. Louis to Wilmington is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 43% on airfare.

How much does it cost to fly round-trip from St. Louis to Wilmington?

Reviews of airlines servicing Wilmington

Get insights into the airlines that provide service to Wilmington. 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 Wilmington. Reviews last updated September 17, 2025.
Peruse reviews from past customers who have flown with Delta and American Airlines from St. Louis to Wilmington to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

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!
8.0
Very good
8.0
Very good

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

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!
8.0
Very good

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

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 St. Louis to Wilmington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from St. Louis to Wilmington?

    A quick flight from St. Louis to Wilmington can take about 5h 38m. American Airlines provides one of the quickest options available for as low as $268. There are 757 mi between St. Louis and Wilmington. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from St. Louis to Wilmington round-trip?

    Our cheapest airline available from St. Louis to Wilmington is American Airlines. Our recent data shows that you can find tickets from as low as $223 on this airline. An additional option worth looking into is Delta, starting at $232. American Airlines is 36% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Wilmington (average of $296). Flying from St. Louis to Wilmington in December is currently the most expensive (average of $385). 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 Wilmington?

Book flights to Wilmington if you plan to visit one of these locations
Carolina Beach
Topsail Beach
Kure Beach
Southport
Wrightsville Beach

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.

Top 2 airlines flying from St. Louis to Wilmington

Discover the top 2 airlines that operate flights from St. Louis to Wilmington. 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$223Average$347FlexibilityNo cancel feeOn-time71%
DeltaCheapest$232Average$293FlexibilityNo cancel feeOn-timeN/A

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.