HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Wilmington

$201+ Cheap flights from St. Louis to Wilmington (STL - ILM)

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ILM
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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 June 12, 2025.

Round-trip from

$201
(American Airlines)

Popular in

December

Cheapest in

July

Average price

$373
From Lambert-St Louis to Wilmington New Hanover County
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/55:23 pmSTL - ILM
1 stop5h 55mAmerican Airlines
Sat 7/125:35 pmILM - STL
1 stop7h 22mAmerican Airlines
Deal found 6/12$201
This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 6/115:30 pmSTL - ILM
1 stop5h 47mDelta
Tue 6/176:00 amILM - STL
1 stop4h 43mDelta
Deal found 6/11$320
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 6/146:30 amSTL - ILM
1 stop7h 00mUnited Airlines
Tue 6/175:10 pmILM - STL
1 stop6h 35mUnited Airlines
Deal found 6/11$345
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/3011:24 amSTL - ILM
1 stop26h 14mMultiple Airlines
Sun 8/33:18 pmILM - STL
2 stops19h 34mMultiple Airlines
Deal found 6/10$433
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:00 amSTL - ILM
2 stops26h 04mAlaska Airlines
Sun 11/231:27 pmILM - STL
2 stops25h 25mAlaska Airlines
Deal found 6/11$1,251

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 June 12, 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 7/5

5:23 pm-12:18 am

1 stop5h 55m

Wilmington New Hanover County

Sat 7/12

5:35 pm-11:57 pm

1 stop7h 22m

$201

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Wed 6/25

9:19 am-4:15 pm

1 stop5h 56m

Wilmington New Hanover County

Sun 6/29

6:00 am-9:15 am

1 stop4h 15m

$353

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Wed 7/30

11:24 am-2:38 pm

1 stop26h 14m

Wilmington New Hanover County

Sun 8/3

3:18 pm-9:52 am

2 stops19h 34m

$433

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Mon 7/21

6:33 am-3:24 pm

1 stop7h 51m

Wilmington New Hanover County

Fri 7/25

4:59 pm-10:45 pm

1 stop6h 46m

$477

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Thu 11/20

7:00 am-10:04 am

2 stops26h 04m

Wilmington New Hanover County

Sun 11/23

1:27 pm-1:52 pm

2 stops25h 25m

$1,251

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Wed 6/25

3:16 pm-11:02 pm

1 stop6h 46m

$209

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Fri 6/20

1:00 pm-11:59 pm

2 stops9h 59m

$292

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Sat 8/23

4:19 pm-11:59 pm

2 stops6h 40m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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 9, 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 June 12, 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.

Rainfall in Wilmington by month

Plan your trip to Wilmington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Wilmington ranges from 2.8 - 7.8 inches per month. September is typically the wettest month, when rainfall can reach 7.8 in. April is typically the driest time to visit Wilmington when rainfall is around 2.8 in.

Temperature in Wilmington by month

Plan your trip to Wilmington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Wilmington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

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 June 12, 2025.
To help decide which airline to fly from St. Louis to Wilmington, see what other customers have to say about Alaska Airlines, Delta and United Airlines. 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $353 and $477 round-trip. American Airlines is 43% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from St. Louis to Wilmington one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $209. United Airlines flights start at $292 while deals on American Airlines start at $304 one-way.

  • 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.

Alternative routes for St. Louis to Wilmington

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Asheville flights
Kansas City to Raleigh flights
St. Louis to Charlotte flights
Kansas City to Myrtle Beach flights
St. Louis to Raleigh flights
Kansas City to Charlotte flights
Kansas City to Wilmington flights
St. Louis to Norfolk flights
St. Louis to Myrtle Beach flights
Kansas City to Knoxville flights
St. Louis to Knoxville flights
Kansas City to Norfolk flights
St. Louis to Asheville flights
Kansas City to Jacksonville flights
Kansas City to Greensboro flights
St. Louis to Greensboro flights
Springfield to Norfolk flights
Springfield to Raleigh flights
Springfield to Charlotte flights
Kansas City to Fayetteville flights
Springfield to Myrtle Beach flights
St. Louis to New Bern flights
Springfield to Wilmington flights
Kansas City to New Bern flights
Springfield to Asheville flights
Columbia to Charlotte flights
St. Louis to Jacksonville flights
Springfield to Knoxville flights
Kansas City to Greenville flights
Columbia to Norfolk flights
Springfield to Greensboro flights
St. Louis to Blountville flights
St. Louis to Fayetteville flights
Kansas City to Blountville flights
Springfield to Fayetteville flights
Joplin to Charlotte flights
Columbia to Knoxville flights
St. Louis to Greenville flights
Cape Girardeau to Charlotte flights
Joplin to Raleigh flights
Columbia to Myrtle Beach flights
Columbia to Asheville flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$198Average$338FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$208Average$367FlexibilityNo 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.