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Cheap flights from Wilmington to St. Louis from $302

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Wilmington to St. Louis departing on 5/24. 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 Wilmington to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:46 pm - 11:36 pm
ILM
-
STL
6h 50m1 stop
Delta Logo
6:47 pm - 11:48 pm
STL
-
ILM
4h 01m1 stop
$335Delta
Fri, Feb 20 - Mon, Feb 23
American Airlines Logo
11:05 am - 6:02 pm
ILM
-
STL
7h 57m2 stops
American Airlines Logo
6:58 pm - 11:57 pm
STL
-
ILM
3h 59m1 stop
$340American Airlines
Fri, Feb 20 - Mon, Feb 23
United Airlines Logo
6:00 am - 10:59 pm
ILM
-
STL
17h 59m2 stops
United Airlines Logo
6:25 am - 11:57 pm
STL
-
ILM
16h 32m2 stops
$774United Airlines
Thu, Feb 26 - Mon, Mar 2
United Airlines Logo
6:00 am - 10:59 pm
ILM
-
STL
17h 59m2 stops
United Airlines Logo
7:41 am - 11:57 pm
STL
-
ILM
15h 16m2 stops
$794United Airlines
Thu, Feb 26 - Mon, Mar 2
United Airlines Logo
4:27 pm - 12:05 am
ILM
-
STL
8h 38m1 stop
United Airlines Logo
6:25 am - 11:57 pm
STL
-
ILM
16h 32m2 stops
$808United Airlines
Thu, Feb 26 - Mon, Mar 2
United Airlines Logo
4:27 pm - 12:05 am
ILM
-
STL
8h 38m1 stop
United Airlines Logo
6:55 pm - 3:52 pm
STL
-
ILM
19h 57m2 stops
$828United Airlines
Thu, Feb 26 - Mon, Mar 2
United Airlines Logo
4:27 pm - 12:05 am
ILM
-
STL
8h 38m1 stop
United Airlines Logo
5:41 pm - 11:57 pm
STL
-
ILM
5h 16m1 stop
$917United Airlines
Thu, Feb 26 - Mon, Mar 2

United Airlines flights from Wilmington to St. Louis

Our best United Airlines deals on Wilmington to St. Louis flight tickets
United Airlines
Feb 26
ILM6:00 amWilmington New Hanover County
17h 59m
2 stops
STL10:59 pmLambert-St Louis
Mar 2
STL6:25 amLambert-St Louis
16h 32m
2 stops
ILM11:57 pmWilmington New Hanover County
$774
Find similar
United Airlines
Feb 26
ILM6:00 amWilmington New Hanover County
17h 59m
2 stops
STL10:59 pmLambert-St Louis
Mar 2
STL7:41 amLambert-St Louis
15h 16m
2 stops
ILM11:57 pmWilmington New Hanover County
$794
Find similar
United Airlines
Feb 26
ILM4:27 pmWilmington New Hanover County
8h 38m
1 stop
STL12:05 amLambert-St Louis
Mar 2
STL6:25 amLambert-St Louis
16h 32m
2 stops
ILM11:57 pmWilmington New Hanover County
$808
Find similar

Delta flights from Wilmington to St. Louis

Our best Delta deals on Wilmington to St. Louis flight tickets
Delta
Feb 20
ILM5:46 pmWilmington New Hanover County
6h 50m
1 stop
STL11:36 pmLambert-St Louis
Feb 23
STL6:47 pmLambert-St Louis
4h 01m
1 stop
ILM11:48 pmWilmington New Hanover County
$335
Find similar
Delta
Dec 23
ILM2:02 pmWilmington New Hanover County
7h 39m
2 stops
STL8:41 pmLambert-St Louis
Dec 29
STL6:29 amLambert-St Louis
9h 14m
2 stops
ILM4:43 pmWilmington New Hanover County
$2,322
Find similar
Delta
Dec 23
ILM2:02 pmWilmington New Hanover County
7h 39m
2 stops
STL8:41 pmLambert-St Louis
Dec 29
STL6:29 amLambert-St Louis
9h 14m
2 stops
ILM4:43 pmWilmington New Hanover County
$2,342
Find similar

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 December 23, 2025.
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

Fri 2/20

5:46 pm-11:36 pm

1 stop6h 50m

Lambert-St Louis

Mon 2/23

6:47 pm-11:48 pm

1 stop4h 01m

$335

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Fri 2/20

11:05 am-6:02 pm

2 stops7h 57m

Lambert-St Louis

Mon 2/23

6:58 pm-11:57 pm

1 stop3h 59m

$340

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Thu 2/26

6:00 am-10:59 pm

2 stops17h 59m

Lambert-St Louis

Mon 3/2

6:25 am-11:57 pm

2 stops16h 32m

$774

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Thu 2/26

6:00 am-10:59 pm

2 stops17h 59m

Lambert-St Louis

Mon 3/2

7:41 am-11:57 pm

2 stops15h 16m

$794

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Thu 2/26

4:27 pm-12:05 am

1 stop8h 38m

Lambert-St Louis

Mon 3/2

6:25 am-11:57 pm

2 stops16h 32m

$808

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Thu 2/26

4:27 pm-12:05 am

1 stop8h 38m

Lambert-St Louis

Mon 3/2

6:55 pm-3:52 pm

2 stops19h 57m

$828

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Thu 2/26

4:27 pm-12:05 am

1 stop8h 38m

Lambert-St Louis

Mon 3/2

5:41 pm-11:57 pm

1 stop5h 16m

$917

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Sun 5/24

2:30 pm-11:23 pm

1 stop9h 53m

$302

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Sun 5/24

7:00 am-4:26 pm

2 stops10h 26m

$464

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Saturday when prices can be found for as low as $280. 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 Tuesday because tickets tend to average around $508. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Wilmington in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $393 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $419 per ticket.

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

6h 50m

Direct flights

None
The fastest flight from Wilmington to St. Louis takes 6h 50m
There are no direct flights from Wilmington to St. Louis. There are no popular flight routes from Wilmington to St. Louis.
Search flight deals

  • 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. 6h 50m 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
11,054 reviews
Search American Airlines flights
DeltaPriceFrom $232Free CancellationRating
7.9
8,014 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
Maryland Heights
O'Fallon
Florissant
Fenton
St. Peters
Wentzville
Collinsville
Alton
Farmington
Clayton
Festus
Glencoe
Eureka
Edwardsville
Litchfield
Shrewsbury

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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