How long is the flight from St. Louis to Wilmington?

A quick flight from St. Louis to Wilmington can take about 4h 26m. American Airlines provides one of the quickest options available for as low as $336. 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 $229. American Airlines is 34% cheaper than the average price of flights available within the next 90 days to this destination.

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.

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).

Most accurate provider : When it comes to deals on St. Louis-Wilmington flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Wilmington flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Wilmington flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on St. Louis-Wilmington flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Wilmington flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$284+ Flights from St. Louis to Wilmington

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Cheap 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 December 12, 2025.

Thu 12/257:05 amSTL - ILM

1 stop4h 26mAmerican Airlines

Mon 12/298:24 pmILM - STL

1 stop4h 31mAmerican Airlines

Deal found 12/10

$336

Thu 12/2510:42 amSTL - ILM

2 stops32h 05mMultiple Airlines

Mon 12/293:17 pmILM - STL

1 stop20h 39mMultiple Airlines

Deal found 12/10

$338

Thu 12/1810:42 amSTL - ILM

2 stops32h 05mMultiple Airlines

Sun 12/214:42 pmILM - STL

1 stop6h 51mMultiple Airlines

Deal found 12/10

$396

Thu 12/1810:42 amSTL - ILM

2 stops32h 05mMultiple Airlines

Mon 12/229:10 amILM - STL

1 stop14h 23mMultiple Airlines

Deal found 12/10

$410

Fri 12/129:30 amSTL - ILM

1 stop6h 46mDelta

Mon 12/157:00 amILM - STL

1 stop6h 40mDelta

Deal found 12/10

$471

Thu 12/189:08 amSTL - ILM

2 stops11h 48mAmerican Airlines

Mon 12/226:41 amILM - STL

2 stops7h 42mAmerican Airlines

Deal found 12/10

$564

Tue 12/1611:40 amSTL - ILM

1 stop4h 36mDelta

Wed 12/176:02 pmILM - STL

1 stop4h 55mDelta

Deal found 12/10

$645

Tue 12/167:00 amSTL - ILM

1 stop7h 01mUnited Airlines

Wed 12/176:00 amILM - STL

2 stops10h 40mUnited Airlines

Deal found 12/10

$650

Best flights from St. Louis to Wilmington
Discover carefully curated flight deals from St. Louis to Wilmington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Thu 12/257:05 amSTL - ILM

1 stop4h 26mAmerican Airlines

Mon 12/298:24 pmILM - STL

1 stop4h 31mAmerican Airlines

Deal found 12/10

$336

Thu 12/2510:42 amSTL - ILM

2 stops32h 05mMultiple Airlines

Mon 12/293:17 pmILM - STL

1 stop20h 39mMultiple Airlines

Deal found 12/10

$338

Fri 1/27:00 amSTL - ILM

1 stop5h 22mDelta

Tue 1/66:00 amILM - STL

1 stop6h 05mDelta

Deal found 12/11

$361

Thu 1/227:00 amSTL - ILM

1 stop7h 44mUnited Airlines

Mon 1/264:26 pmILM - STL

1 stop8h 33mUnited Airlines

Deal found 12/11

$473

Thu 5/146:00 amSTL - ILM

1 stop6h 36mDelta

Sat 5/237:00 amILM - STL

1 stop5h 54mDelta

Deal found 12/11

$369

Sat 1/35:00 amSTL - ILM

1 stop6h 31mAmerican Airlines

Tue 1/67:43 pmILM - STL

1 stop4h 29mAmerican Airlines

Deal found 12/10

$379

Thu 5/147:33 amSTL - ILM

1 stop8h 18mAmerican Airlines

Sat 5/237:55 pmILM - STL

1 stop4h 28mAmerican Airlines

Deal found 12/10

$393

Fri 1/27:00 amSTL - ILM

1 stop8h 23mUnited Airlines

Tue 1/66:00 amILM - STL

2 stops9h 30mUnited Airlines

Deal found 12/11

$478

Fri 4/176:28 amSTL - ILM

1 stop3h 49mAmerican Airlines

Sun 4/195:22 amILM - STL

1 stop3h 43mAmerican Airlines

Deal found 12/11

$403

Last-minute flights from St. Louis to Wilmington
Discover last-minute flight deals from St. Louis to Wilmington. Data last updated December 12, 2025 and is based on user searches.

Fri 12/129:30 amSTL - ILM

1 stop6h 46mDelta

Mon 12/157:00 amILM - STL

1 stop6h 40mDelta

Deal found 12/10

$471

Thu 12/1810:42 amSTL - ILM

2 stops32h 05mMultiple Airlines

Sun 12/214:42 pmILM - STL

1 stop6h 51mMultiple Airlines

Deal found 12/10

$396

Thu 12/1810:42 amSTL - ILM

2 stops32h 05mMultiple Airlines

Mon 12/229:10 amILM - STL

1 stop14h 23mMultiple Airlines

Deal found 12/10

$410

Thu 12/257:05 amSTL - ILM

1 stop4h 26mAmerican Airlines

Mon 12/298:24 pmILM - STL

1 stop4h 31mAmerican Airlines

Deal found 12/10

$336

Thu 12/2510:42 amSTL - ILM

2 stops32h 05mMultiple Airlines

Mon 12/293:17 pmILM - STL

1 stop20h 39mMultiple Airlines

Deal found 12/10

$338

Fri 1/27:00 amSTL - ILM

1 stop5h 22mDelta

Tue 1/66:00 amILM - STL

1 stop6h 05mDelta

Deal found 12/11

$361

Sat 1/35:00 amSTL - ILM

1 stop6h 31mAmerican Airlines

Tue 1/67:43 pmILM - STL

1 stop4h 29mAmerican Airlines

Deal found 12/10

$379

Thu 1/2212:44 pmSTL - ILM

2 stops10h 13mUnited Airlines

Mon 1/264:26 pmILM - STL

1 stop8h 33mUnited Airlines

Deal found 12/8

$478

One-way flights from St. Louis to Wilmington
Search for one-way flight options from St. Louis to Wilmington. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Tue 1/67:00 amSTL - ILM

1 stop7h 45mUnited Airlines

Deal found 12/11

$284

Sat 12/2010:10 pmSTL - ILM

3 stops33h 20mMultiple Airlines

Deal found 12/11

$291

Sat 12/206:00 pmSTL - ILM

1 stop5h 47mAmerican Airlines

Deal found 12/11

$323

Find flight deals from St. Louis to Wilmington

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$336 (American Airlines)
One-way from	$291 (Kiwi.com)
Popular in	November
Cheapest in	October
Average price	$382

Provider with most accurate pricing for Lambert-St Louis-Wilmington New Hanover County flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-Wilmington New Hanover County flights.

Search Deals

From Lambert-St Louis to Wilmington New Hanover County

Search Deals

One-way flight from Lambert-St Louis to Wilmington New Hanover County

Search Deals

Highest demand for flights based on searches. 3% potential increase in price ($12 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 December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Wilmington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Thu 12/25

7:05 am-12:31 pm

1 stop4h 26m

Wilmington New Hanover County

Mon 12/29

8:24 pm-11:55 pm

1 stop4h 31m

$336

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Thu 12/25

10:42 am-7:47 pm

2 stops32h 05m

Wilmington New Hanover County

Mon 12/29

3:17 pm-10:56 am

1 stop20h 39m

$338

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Fri 1/2

7:00 am-1:22 pm

1 stop5h 22m

Wilmington New Hanover County

Tue 1/6

6:00 am-11:05 am

1 stop6h 05m

$361

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Thu 5/14

6:00 am-1:36 pm

1 stop6h 36m

Wilmington New Hanover County

Sat 5/23

7:00 am-11:54 am

1 stop5h 54m

$369

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Sat 1/3

5:00 am-12:31 pm

1 stop6h 31m

Wilmington New Hanover County

Tue 1/6

7:43 pm-11:12 pm

1 stop4h 29m

$379

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Thu 5/14

7:33 am-4:51 pm

1 stop8h 18m

Wilmington New Hanover County

Sat 5/23

7:55 pm-11:23 pm

1 stop4h 28m

$393

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Fri 4/17

6:28 am-11:17 am

1 stop3h 49m

Wilmington New Hanover County

Sun 4/19

5:22 am-8:05 am

1 stop3h 43m

$403

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Thu 1/22

7:00 am-3:44 pm

1 stop7h 44m

Wilmington New Hanover County

Mon 1/26

4:26 pm-11:59 pm

1 stop8h 33m

$473

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Fri 1/2

7:00 am-4:23 pm

1 stop8h 23m

Wilmington New Hanover County

Tue 1/6

6:00 am-2:30 pm

2 stops9h 30m

$478

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Tue 1/6

7:00 am-3:45 pm

1 stop7h 45m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 12 results

Compare providers for flights from St. Louis to Wilmington

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Wilmington in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on St. Louis-Wilmington flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Wilmington flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Wilmington flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on St. Louis-Wilmington flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Wilmington flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, February is the cheapest month in which you can book a flight from St. Louis to Wilmington (average of $84). Flying from St. Louis to Wilmington in December is currently the most expensive (average of $276). 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?

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 41% on airfare.

Reviews of airlines servicing Wilmington

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.

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,007 reviews

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,050 reviews

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

How long is the flight from St. Louis to Wilmington?
A quick flight from St. Louis to Wilmington can take about 4h 26m. American Airlines provides one of the quickest options available for as low as $336. 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 $229. American Airlines is 34% 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, February is the cheapest month in which you can book a flight from St. Louis to Wilmington (average of $84). Flying from St. Louis to Wilmington in December is currently the most expensive (average of $276). 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.

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Other flights to Wilmington

Top 2 airlines flying from St. Louis to Wilmington

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$223	Average$343	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$229	Average$278	FlexibilityNo cancel fee	On-timeN/A

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$284+ 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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Wilmington with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to Wilmington

Cheapest flights from St. Louis to WilmingtonExplore 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 December 12, 2025.

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 December 12, 2025.

Find flight deals from St. Louis to Wilmington

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Wilmington that are best for you.

Compare providers for flights from St. Louis to Wilmington

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Wilmington in December.

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.

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?

What is the cheapest time of day to fly from STL to ILM?

Reviews of airlines servicing Wilmington

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.

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?

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

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

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

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

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

Traveling to a place near Wilmington?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Wilmington

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from St. Louis to Wilmington

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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 December 12, 2025.