Cheap flights from Wilmington to St. Louis from $201

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Wilmington to St. Louis departing on 3/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:11 am - 11:11 am
ILM
-
STL
6h 00m
1 stop
American Airlines Logo
11:22 am - 7:17 pm
STL
-
ILM
6h 55m
1 stop
$201American Airlines
Wed, Mar 25 - Wed, Apr 1
American Airlines Logo
7:22 am - 12:44 pm
ILM
-
STL
6h 22m
1 stop
American Airlines Logo
7:00 am - 2:47 pm
STL
-
ILM
6h 47m
1 stop
$268American Airlines
Thu, Apr 2 - Tue, Apr 7
American Airlines Logo
6:38 am - 1:39 pm
ILM
-
STL
8h 01m
2 stops
American Airlines Logo
6:57 pm - 11:58 pm
STL
-
ILM
4h 01m
1 stop
$327American Airlines
Wed, Mar 25 - Wed, Apr 1
American Airlines Logo
7:27 am - 2:07 pm
ILM
-
STL
7h 40m
1 stop
American Airlines Logo
6:57 pm - 11:58 pm
STL
-
ILM
4h 01m
1 stop
$363American Airlines
Tue, Mar 10 - Sat, Mar 14
American Airlines Logo
6:05 am - 12:44 pm
ILM
-
STL
7h 39m
2 stops
American Airlines Logo
6:57 pm - 11:58 pm
STL
-
ILM
4h 01m
1 stop
$368American Airlines
Tue, Mar 10 - Sat, Mar 14
American Airlines Logo
5:09 am - 8:33 am
ILM
-
STL
4h 24m
1 stop
American Airlines Logo
5:41 pm - 11:46 pm
STL
-
ILM
5h 05m
1 stop
$375American Airlines
Fri, May 22 - Mon, May 25
United Airlines Logo
6:00 am - 2:42 pm
ILM
-
STL
9h 42m
2 stops
United Airlines Logo
9:10 am - 11:44 pm
STL
-
ILM
13h 34m
2 stops
$398United Airlines
Wed, Mar 25 - Wed, Apr 1
Multiple Airlines Logo
5:01 pm - 1:19 pm
ILM
-
STL
21h 18m
2 stops
Multiple Airlines Logo
8:02 am - 9:29 pm
STL
-
ILM
12h 27m
1 stop
$443Multiple Airlines
Sun, Mar 8 - Thu, Mar 12
Multiple Airlines Logo
5:01 pm - 1:34 pm
ILM
-
STL
21h 33m
2 stops
Multiple Airlines Logo
4:51 pm - 1:08 pm
STL
-
ILM
19h 17m
1 stop
$463Multiple Airlines
Sun, Mar 22 - Sun, Mar 29
Multiple Airlines Logo
5:01 pm - 7:25 pm
ILM
-
STL
27h 24m
1 stop
Multiple Airlines Logo
7:52 am - 1:08 pm
STL
-
ILM
28h 16m
1 stop
$486Multiple Airlines
Sun, Mar 22 - Sun, Mar 29

American Airlines flights from Wilmington to St. Louis

Our best American Airlines deals on Wilmington to St. Louis flight tickets
American Airlines
Mar 25
ILM6:11 amWilmington New Hanover County
6h 00m
1 stop
STL11:11 amLambert-St Louis
Apr 1
STL11:22 amLambert-St Louis
6h 55m
1 stop
ILM7:17 pmWilmington New Hanover County
$201
American Airlines
Apr 2
ILM7:22 amWilmington New Hanover County
6h 22m
1 stop
STL12:44 pmLambert-St Louis
Apr 7
STL7:00 amLambert-St Louis
6h 47m
1 stop
ILM2:47 pmWilmington New Hanover County
$268
American Airlines
Mar 4
ILM10:03 amWilmington New Hanover County
4h 13m
1 stop
STL1:16 pmLambert-St Louis
Mar 7
STL6:53 pmLambert-St Louis
4h 05m
1 stop
ILM11:58 pmWilmington New Hanover County
$315

United Airlines flights from Wilmington to St. Louis

Our best United Airlines deals on Wilmington to St. Louis flight tickets
United Airlines
Mar 25
ILM6:00 amWilmington New Hanover County
9h 42m
2 stops
STL2:42 pmLambert-St Louis
Apr 1
STL9:10 amLambert-St Louis
13h 34m
2 stops
ILM11:44 pmWilmington New Hanover County
$398
United Airlines
Apr 16
ILM6:00 amWilmington New Hanover County
27h 25m
2 stops
STL8:25 amLambert-St Louis
Apr 20
STL8:15 pmLambert-St Louis
26h 29m
2 stops
ILM11:44 pmWilmington New Hanover County
$496
United Airlines
Apr 2
ILM6:00 amWilmington New Hanover County
10h 48m
2 stops
STL3:48 pmLambert-St Louis
Apr 7
STL9:10 amLambert-St Louis
13h 34m
2 stops
ILM11:44 pmWilmington New Hanover County
$536

momondo Fare Finder

 
Customize your flight search to find flights from Wilmington to St. Louis 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 February 23, 2026.
Use the filters below to find and compare flights from Wilmington to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Wed 3/25

6:11 am-11:11 am

1 stop6h 00m

Lambert-St Louis

Wed 4/1

11:22 am-7:17 pm

1 stop6h 55m

$201

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Thu 4/2

7:22 am-12:44 pm

1 stop6h 22m

Lambert-St Louis

Tue 4/7

7:00 am-2:47 pm

1 stop6h 47m

$268

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Wed 3/25

6:38 am-1:39 pm

2 stops8h 01m

Lambert-St Louis

Wed 4/1

6:57 pm-11:58 pm

1 stop4h 01m

$327

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Tue 3/10

7:27 am-2:07 pm

1 stop7h 40m

Lambert-St Louis

Sat 3/14

6:57 pm-11:58 pm

1 stop4h 01m

$363

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Tue 3/10

6:05 am-12:44 pm

2 stops7h 39m

Lambert-St Louis

Sat 3/14

6:57 pm-11:58 pm

1 stop4h 01m

$368

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Fri 5/22

5:09 am-8:33 am

1 stop4h 24m

Lambert-St Louis

Mon 5/25

5:41 pm-11:46 pm

1 stop5h 05m

$375

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Wed 3/25

6:00 am-2:42 pm

2 stops9h 42m

Lambert-St Louis

Wed 4/1

9:10 am-11:44 pm

2 stops13h 34m

$398

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Sun 3/8

5:01 pm-1:19 pm

2 stops21h 18m

Lambert-St Louis

Thu 3/12

8:02 am-9:29 pm

1 stop12h 27m

$443

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Sun 3/22

5:01 pm-1:34 pm

2 stops21h 33m

Lambert-St Louis

Sun 3/29

4:51 pm-1:08 pm

1 stop19h 17m

$463

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Sun 3/22

5:01 pm-7:25 pm

1 stop27h 24m

Lambert-St Louis

Sun 3/29

7:52 am-1:08 pm

1 stop28h 16m

$486

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to St. Louis from

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

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 St. Louis?

In general, August is the cheapest month to fly from Wilmington to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $231. The month of September is another great option to travel to St. Louis, with average flight prices from Wilmington averaging around $237.

When to book flights from Wilmington to St. Louis

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

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

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

Fastest flight time

5h 58m

Direct flights

None
The fastest flight from Wilmington to St. Louis takes 5h 58m
There are no direct flights from Wilmington to St. Louis. There are no popular flight routes from Wilmington to St. Louis.
  • How far is Wilmington New Hanover County to Lambert-St Louis by plane?

    Wilmington New Hanover County and Lambert-St Louis are 748.1 mi apart from one another. 5h 58m is a normal flight duration for this route.

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

    Prices for flights from Wilmington New Hanover County Airport to Lambert-St Louis Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Wilmington New Hanover County Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Wilmington to St. Louis

Compare and see reviews for airlines that fly from Wilmington to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $200Free CancellationRating
7.2
11,339 reviews
Search American Airlines flights
DeltaPriceFrom $242Free CancellationRating
7.9
8,236 reviews
Search Delta flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
St. Peters
Wentzville
Collinsville
Fenton
Alton
Farmington
Clayton
Edwardsville
Festus
Eureka
Litchfield
Glencoe
Grafton

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Wilmington.

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

Yes. All flights to St. Louis from Wilmington on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Wilmington to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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

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1 adult
Wed 3/25
Wed 4/1

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