Wilmington

$135+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ILM
Jul 8 — Jul 151
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.

Cheapflights Tip: The best prices from Lambert-St Louis to Wilmington New Hanover County are usually found in July or February, booked 35 days in advance, depart on a Wednesday or Saturday and return on a Saturday

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 July 3, 2025.

Round-trip from

$201
(American Airlines)

One-way from

$135
(Delta)

Popular in

December

Cheapest in

July

Average price

$307
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. 9% potential increase in price ($35 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 July 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 July 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/2. 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 8/94:32 pmSTL - ILM
1 stop6h 27mAmerican Airlines
Sat 8/168:05 pmILM - STL
1 stop4h 50mAmerican Airlines
Deal found 7/2$201
This Delta deal was found by Cheapflights users on 7/2. 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.
Wed 7/305:23 pmSTL - ILM
1 stop4h 35mDelta
Wed 8/610:28 amILM - STL
1 stop6h 50mDelta
Deal found 7/2$243

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 July 3, 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 8/9

4:32 pm-11:59 pm

1 stop6h 27m

Wilmington New Hanover County

Sat 8/16

8:05 pm-11:55 pm

1 stop4h 50m

$201

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Wed 7/30

5:23 pm-10:58 pm

1 stop4h 35m

Wilmington New Hanover County

Wed 8/6

10:28 am-4:18 pm

1 stop6h 50m

$243

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Wed 7/16

5:00 am-1:48 pm

2 stops7h 48m

Wilmington New Hanover County

Sun 7/20

4:59 pm-10:45 pm

1 stop6h 46m

$483

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Thu 7/31

10:47 am-2:15 pm

3 stops26h 28m

Wilmington New Hanover County

Thu 8/7

3:51 pm-9:52 am

2 stops19h 01m

$547

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Wed 7/30

9:16 am-4:01 pm

1 stop5h 45m

$135

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Thu 7/31

10:47 am-2:15 pm

3 stops26h 28m

$315

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Wed 7/30

5:00 am-9:59 pm

2 stops15h 59m

$360

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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

How far ahead should I book a flight from St. Louis to Wilmington?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Wilmington. Price data was last updated on June 27, 2025.

The best time to book flights from St. Louis to Wilmington is 35 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 July 3, 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.

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 July 3, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, 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

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Comfort

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

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Comfort

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

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Comfort

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

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Comfort

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.
  • 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 $201 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $243 and $483 round-trip. American Airlines is 43% 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Carolina 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$198Average$329FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$221Average$365FlexibilityNo cancel feeOn-time71%

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.