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Cheap flights from Wilmington to St. Louis from $230

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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Find the cheapest flights from Wilmington to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:00 am - 11:55 amILM-STL
5h 55m1 stop
Delta Logo
10:00 am - 3:34 pmSTL-ILM
4h 34m1 stop
$230Delta
Find Deal
Wed, Mar 25 - Sat, Mar 28
Multiple Airlines Logo
4:46 pm - 9:07 amILM-STL
17h 21m2 stops
Multiple Airlines Logo
2:12 pm - 8:36 pmSTL-ILM
5h 24m1 stop
$296Multiple Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16
American Airlines Logo
5:27 am - 9:20 amILM-STL
4h 53m1 stop
American Airlines Logo
6:45 pm - 11:44 pmSTL-ILM
3h 59m1 stop
$304American Airlines
Find Deal
Mon, Nov 24 - Mon, Dec 1
United Airlines Logo
4:27 pm - 11:42 pmILM-STL
8h 15m1 stop
United Airlines Logo
7:00 am - 3:41 pmSTL-ILM
7h 41m1 stop
$309United Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16
United Airlines Logo
4:27 pm - 11:42 pmILM-STL
8h 15m1 stop
United Airlines Logo
1:10 pm - 11:50 pmSTL-ILM
9h 40m2 stops
$313United Airlines
Find Deal
Thu, Nov 20 - Mon, Nov 24
United Airlines Logo
6:25 am - 2:24 pmILM-STL
8h 59m2 stops
United Airlines Logo
1:10 pm - 11:50 pmSTL-ILM
9h 40m2 stops
$318United Airlines
Find Deal
Thu, Nov 20 - Mon, Nov 24
American Airlines Logo
8:24 pm - 11:55 pmILM-STL
4h 31m1 stop
American Airlines Logo
2:04 pm - 9:56 pmSTL-ILM
6h 52m1 stop
$325American Airlines
Find Deal
Tue, Dec 30 - Sun, Jan 4
Delta Logo
10:23 am - 4:07 pmILM-STL
6h 44m1 stop
Delta Logo
3:15 pm - 8:27 pmSTL-ILM
4h 12m1 stop
$336Delta
Find Deal
Thu, Nov 13 - Thu, Nov 27
Multiple Airlines Logo
4:46 pm - 11:57 pmILM-STL
8h 11m1 stop
Multiple Airlines Logo
4:13 pm - 7:30 pmSTL-ILM
26h 17m1 stop
$354Multiple Airlines
Find Deal
Thu, Nov 20 - Mon, Nov 24
American Airlines Logo
1:21 pm - 7:30 pmILM-STL
7h 09m1 stop
American Airlines Logo
5:30 am - 2:03 pmSTL-ILM
7h 33m1 stop
$356American Airlines
Find Deal
Sat, Dec 20 - Mon, Dec 22

Delta flights from Wilmington to St. Louis

Our best Delta deals on Wilmington to St. Louis flight tickets
Delta
Mar 25
ILM7:00 amWilmington New Hanover County
5h 55m
1 stop
STL11:55 amLambert-St Louis
Mar 28
STL10:00 amLambert-St Louis
4h 34m
1 stop
ILM3:34 pmWilmington New Hanover County
$230
Find similar
Delta
Nov 13
ILM10:23 amWilmington New Hanover County
6h 44m
1 stop
STL4:07 pmLambert-St Louis
Nov 27
STL3:15 pmLambert-St Louis
4h 12m
1 stop
ILM8:27 pmWilmington New Hanover County
$336
Find similar
Delta
Nov 22
ILM6:00 amWilmington New Hanover County
5h 23m
1 stop
STL10:23 amLambert-St Louis
Nov 25
STL11:39 amLambert-St Louis
4h 39m
1 stop
ILM5:18 pmWilmington New Hanover County
$393
Find similar

American Airlines flights from Wilmington to St. Louis

Our best American Airlines deals on Wilmington to St. Louis flight tickets
American Airlines
Nov 24
ILM5:27 amWilmington New Hanover County
4h 53m
1 stop
STL9:20 amLambert-St Louis
Dec 1
STL6:45 pmLambert-St Louis
3h 59m
1 stop
ILM11:44 pmWilmington New Hanover County
$304
Find similar
American Airlines
Dec 30
ILM8:24 pmWilmington New Hanover County
4h 31m
1 stop
STL11:55 pmLambert-St Louis
Jan 4
STL2:04 pmLambert-St Louis
6h 52m
1 stop
ILM9:56 pmWilmington New Hanover County
$325
Find similar
American Airlines
Dec 20
ILM1:21 pmWilmington New Hanover County
7h 09m
1 stop
STL7:30 pmLambert-St Louis
Dec 22
STL5:30 amLambert-St Louis
7h 33m
1 stop
ILM2:03 pmWilmington New Hanover County
$356
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 November 3, 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

Wed 3/25

7:00 am-11:55 am

1 stop5h 55m

Lambert-St Louis

Sat 3/28

10:00 am-3:34 pm

1 stop4h 34m

$230

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Thu 11/13

4:46 pm-9:07 am

2 stops17h 21m

Lambert-St Louis

Sun 11/16

2:12 pm-8:36 pm

1 stop5h 24m

$296

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Mon 11/24

5:27 am-9:20 am

1 stop4h 53m

Lambert-St Louis

Mon 12/1

6:45 pm-11:44 pm

1 stop3h 59m

$304

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Thu 11/13

4:27 pm-11:42 pm

1 stop8h 15m

Lambert-St Louis

Sun 11/16

7:00 am-3:41 pm

1 stop7h 41m

$309

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Thu 11/20

4:27 pm-11:42 pm

1 stop8h 15m

Lambert-St Louis

Mon 11/24

1:10 pm-11:50 pm

2 stops9h 40m

$313

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Thu 11/20

6:25 am-2:24 pm

2 stops8h 59m

Lambert-St Louis

Mon 11/24

1:10 pm-11:50 pm

2 stops9h 40m

$318

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Tue 12/30

8:24 pm-11:55 pm

1 stop4h 31m

Lambert-St Louis

Sun 1/4

2:04 pm-9:56 pm

1 stop6h 52m

$325

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Thu 11/13

10:23 am-4:07 pm

1 stop6h 44m

Lambert-St Louis

Thu 11/27

3:15 pm-8:27 pm

1 stop4h 12m

$336

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Thu 11/20

4:46 pm-11:57 pm

1 stop8h 11m

Lambert-St Louis

Mon 11/24

4:13 pm-7:30 pm

1 stop26h 17m

$354

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Sat 12/20

1:21 pm-7:30 pm

1 stop7h 09m

Lambert-St Louis

Mon 12/22

5:30 am-2:03 pm

1 stop7h 33m

$356

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 typical price of a round-trip flight between Wilmington and St. Louis?

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

Direct flights

None
There are no direct flights from Wilmington to St. Louis. There are no popular flight routes from Wilmington to St. Louis.
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  • 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. 3h 42m 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
11,038 reviews
Search American Airlines flights
DeltaPriceFrom $242Free CancellationRating
7.9
8,002 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
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
Eureka
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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