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Cheap flights from St. Louis to Wilmington from $291

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Wilmington departing on 12/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from St. Louis to Wilmington

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:05 am - 12:31 pm
STL
-
ILM
4h 26m1 stop
American Airlines Logo
8:24 pm - 11:55 pm
ILM
-
STL
4h 31m1 stop
$336American Airlines
Thu, Dec 25 - Mon, Dec 29
Multiple Airlines Logo
10:42 am - 7:47 pm
STL
-
ILM
32h 05m2 stops
Multiple Airlines Logo
3:17 pm - 10:56 am
ILM
-
STL
20h 39m1 stop
$338Multiple Airlines
Thu, Dec 25 - Mon, Dec 29
Delta Logo
7:00 am - 1:22 pm
STL
-
ILM
5h 22m1 stop
Delta Logo
6:00 am - 11:05 am
ILM
-
STL
6h 05m1 stop
$361Delta
Fri, Jan 2 - Tue, Jan 6
Delta Logo
6:00 am - 1:36 pm
STL
-
ILM
6h 36m1 stop
Delta Logo
7:00 am - 11:54 am
ILM
-
STL
5h 54m1 stop
$369Delta
Thu, May 14 - Sat, May 23
American Airlines Logo
5:00 am - 12:31 pm
STL
-
ILM
6h 31m1 stop
American Airlines Logo
7:43 pm - 11:12 pm
ILM
-
STL
4h 29m1 stop
$379American Airlines
Sat, Jan 3 - Tue, Jan 6
American Airlines Logo
7:33 am - 4:51 pm
STL
-
ILM
8h 18m1 stop
American Airlines Logo
5:28 am - 7:59 am
ILM
-
STL
3h 31m1 stop
$393American Airlines
Thu, May 14 - Sat, May 23
United Airlines Logo
7:00 am - 4:23 pm
STL
-
ILM
8h 23m1 stop
United Airlines Logo
6:00 am - 2:30 pm
ILM
-
STL
9h 30m2 stops
$456United Airlines
Fri, Jan 2 - Tue, Jan 6
United Airlines Logo
12:44 pm - 11:57 pm
STL
-
ILM
10h 13m2 stops
United Airlines Logo
4:26 pm - 11:59 pm
ILM
-
STL
8h 33m1 stop
$478United Airlines
Thu, Jan 22 - Mon, Jan 26
United Airlines Logo
12:44 pm - 11:57 pm
STL
-
ILM
10h 13m2 stops
United Airlines Logo
4:26 pm - 2:30 pm
ILM
-
STL
23h 04m2 stops
$530United Airlines
Thu, Jan 22 - Mon, Jan 26
United Airlines Logo
12:44 pm - 11:57 pm
STL
-
ILM
10h 13m2 stops
United Airlines Logo
4:26 pm - 9:13 pm
ILM
-
STL
29h 47m2 stops
$557United Airlines
Thu, Jan 22 - Mon, Jan 26

Delta flights from St. Louis to Wilmington

Our best Delta deals on St. Louis to Wilmington flight tickets
Delta
Jan 2
STL7:00 amLambert-St Louis
5h 22m
1 stop
ILM1:22 pmWilmington New Hanover County
Jan 6
ILM6:00 amWilmington New Hanover County
6h 05m
1 stop
STL11:05 amLambert-St Louis
$361
Find similar
Delta
May 14
STL6:00 amLambert-St Louis
6h 36m
1 stop
ILM1:36 pmWilmington New Hanover County
May 23
ILM7:00 amWilmington New Hanover County
5h 54m
1 stop
STL11:54 amLambert-St Louis
$369
Find similar
Delta
Dec 12
STL11:40 amLambert-St Louis
4h 36m
1 stop
ILM5:16 pmWilmington New Hanover County
Dec 14
ILM10:26 amWilmington New Hanover County
6h 40m
1 stop
STL4:06 pmLambert-St Louis
$471
Find similar

United Airlines flights from St. Louis to Wilmington

Our best United Airlines deals on St. Louis to Wilmington flight tickets
United Airlines
Jan 2
STL7:00 amLambert-St Louis
8h 23m
1 stop
ILM4:23 pmWilmington New Hanover County
Jan 6
ILM6:00 amWilmington New Hanover County
9h 30m
2 stops
STL2:30 pmLambert-St Louis
$456
Find similar
United Airlines
Jan 22
STL12:44 pmLambert-St Louis
10h 13m
2 stops
ILM11:57 pmWilmington New Hanover County
Jan 26
ILM4:26 pmWilmington New Hanover County
8h 33m
1 stop
STL11:59 pmLambert-St Louis
$478
Find similar
United Airlines
Jan 22
STL12:44 pmLambert-St Louis
10h 13m
2 stops
ILM11:57 pmWilmington New Hanover County
Jan 26
ILM4:26 pmWilmington New Hanover County
23h 04m
2 stops
STL2:30 pmLambert-St Louis
$530
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 11, 2025.
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

5:28 am-7:59 am

1 stop3h 31m

$393

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

$456

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Thu 1/22

12:44 pm-11:57 pm

2 stops10h 13m

Wilmington New Hanover County

Mon 1/26

4:26 pm-11:59 pm

1 stop8h 33m

$478

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Thu 1/22

12:44 pm-11:57 pm

2 stops10h 13m

Wilmington New Hanover County

Mon 1/26

4:26 pm-2:30 pm

2 stops23h 04m

$530

St. LouisWilmington

STL - ILM

STLILM

Lambert-St Louis

Thu 1/22

12:44 pm-11:57 pm

2 stops10h 13m

Wilmington New Hanover County

Mon 1/26

4:26 pm-9:13 pm

2 stops29h 47m

$557

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Wilmington from

How to get the cheapest flight ticket from St. Louis to Wilmington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Wilmington?

The month of October is, on average, the cheapest month to fly to Wilmington from St. Louis, with most prices found around $237. If you don’t want to visit Wilmington in October, then you should wait until September to fly from St. Louis, when ticket prices are also cheap, with an average price of $277.

What is the cheapest day to depart on your flight to Wilmington?

The cheapest day to depart on your flight to Wilmington is on a Wednesday when prices can be found for as low as $332. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $630. These prices are subject to change though, so be sure to set up a Price Alert for flights to Wilmington.

What is the cheapest time of day to depart on your flight to Wilmington?

Our most recent data shows that the best time of day to fly to Wilmington is at noon. Flights from St. Louis to Wilmington during this time can be as low as $284. Flights in the evening are often more expensive with an average ticket price of $490.

When to book flights from St. Louis to Wilmington

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Wilmington according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Wilmington (STL to ILM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Wilmington

Fastest flight time

5h 16m

Direct flights

None
The fastest flight from St. Louis to Wilmington takes 5h 16m
There are no direct flights from St. Louis to Wilmington. There are no popular flight routes from St. Louis to Wilmington.
Search flight deals

  • How far is Lambert-St Louis to Wilmington New Hanover County by plane?

    The distance between Lambert-St Louis and Wilmington New Hanover County is about 748.1 mi. By plane, this route typically takes 5h 16m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Wilmington New Hanover County Airport?

    Prices for flights from Lambert-St Louis Airport to Wilmington New Hanover County Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Wilmington New Hanover County Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Wilmington New Hanover County Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Wilmington New Hanover County Airport.

  • What documentation or ID do you need to fly to Wilmington New Hanover County Airport?

    The travel and health documents required for your trip to Wilmington New Hanover County Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Wilmington New Hanover County Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from St. Louis to Wilmington?

Best airlines flying from St. Louis to Wilmington

Compare and see reviews for airlines that fly from St. Louis to Wilmington with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $223Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
DeltaPriceFrom $229Free CancellationRating
7.9
8,007 reviews
Search Delta flights

Traveling to a place near Wilmington?

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

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Wilmington?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Wilmington. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to Wilmington with flexible booking policies on momondo?

momondo does allow users to show only those flights to Wilmington from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to Wilmington?

Once all potential St. Louis to Wilmington flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. Louis to Wilmington right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Wilmington, momondo offers a useful price alert feature which will track prices for flights to Wilmington from St. Louis and alert you when they change.

An easier way to manage your Wilmington trip

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