Cheap flights from Wilmington to St. Louis from $241

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 7/15. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Wilmington to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
8:01 pm - 11:58 pm
ILM
-
STL
4h 57m
1 stop
American Airlines Logo
6:55 am - 2:51 pm
STL
-
ILM
6h 56m
1 stop
$241American Airlines
Wed, Jul 15 - Tue, Jul 21
United Airlines Logo
3:41 pm - 9:26 pm
ILM
-
STL
6h 45m
1 stop
United Airlines Logo
9:20 am - 3:00 pm
STL
-
ILM
4h 40m
1 stop
$295United Airlines
Wed, Jul 8 - Mon, Jul 13
United Airlines Logo
3:41 pm - 9:26 pm
ILM
-
STL
6h 45m
1 stop
United Airlines Logo
1:13 pm - 11:44 pm
STL
-
ILM
9h 31m
2 stops
$297United Airlines
Wed, Jul 15 - Tue, Jul 21
American Airlines Logo
8:00 pm - 11:58 pm
ILM
-
STL
4h 58m
1 stop
American Airlines Logo
6:13 pm - 11:33 pm
STL
-
ILM
4h 20m
1 stop
$298American Airlines
Sat, Jul 18 - Wed, Jul 22
American Airlines Logo
5:06 am - 8:34 am
ILM
-
STL
4h 28m
1 stop
American Airlines Logo
6:43 am - 2:32 pm
STL
-
ILM
6h 49m
1 stop
$318American Airlines
Sat, Jul 4 - Fri, Jul 10
United Airlines Logo
4:44 pm - 10:00 pm
ILM
-
STL
6h 16m
1 stop
United Airlines Logo
8:50 am - 3:37 pm
STL
-
ILM
5h 47m
1 stop
$319United Airlines
Fri, Aug 21 - Sun, Aug 23
Multiple Airlines Logo
6:04 pm - 12:14 am
ILM
-
STL
7h 10m
1 stop
Multiple Airlines Logo
6:33 pm - 5:24 pm
STL
-
ILM
21h 51m
2 stops
$350Multiple Airlines
Fri, Aug 21 - Sun, Aug 23
Delta Logo
6:50 pm - 10:18 pm
ILM
-
STL
4h 28m
1 stop
Delta Logo
6:00 am - 1:43 pm
STL
-
ILM
6h 43m
1 stop
$355Delta
Wed, Jun 24 - Tue, Jul 7
American Airlines Logo
4:35 pm - 9:48 pm
ILM
-
STL
6h 13m
1 stop
American Airlines Logo
5:10 am - 10:38 am
STL
-
ILM
4h 28m
1 stop
$359American Airlines
Fri, Jul 3 - Sun, Jul 5
Multiple Airlines Logo
6:04 pm - 11:59 pm
ILM
-
STL
6h 55m
1 stop
Multiple Airlines Logo
4:09 pm - 2:58 pm
STL
-
ILM
21h 49m
1 stop
$368Multiple Airlines
Fri, Jul 24 - Mon, Jul 27

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American Airlines flights from Wilmington to St. Louis

Our best American Airlines deals on Wilmington to St. Louis flight tickets
American Airlines
Jul 15
ILM8:01 pmWilmington New Hanover County
4h 57m
1 stop
STL11:58 pmLambert-St Louis
Jul 21
STL6:55 amLambert-St Louis
6h 56m
1 stop
ILM2:51 pmWilmington New Hanover County
$241
American Airlines
Jul 18
ILM8:00 pmWilmington New Hanover County
4h 58m
1 stop
STL11:58 pmLambert-St Louis
Jul 22
STL6:13 pmLambert-St Louis
4h 20m
1 stop
ILM11:33 pmWilmington New Hanover County
$298
American Airlines
Jul 4
ILM5:06 amWilmington New Hanover County
4h 28m
1 stop
STL8:34 amLambert-St Louis
Jul 10
STL6:43 amLambert-St Louis
6h 49m
1 stop
ILM2:32 pmWilmington New Hanover County
$318

United Airlines flights from Wilmington to St. Louis

Our best United Airlines deals on Wilmington to St. Louis flight tickets
United Airlines
Jul 8
ILM3:41 pmWilmington New Hanover County
6h 45m
1 stop
STL9:26 pmLambert-St Louis
Jul 13
STL9:20 amLambert-St Louis
4h 40m
1 stop
ILM3:00 pmWilmington New Hanover County
$295
United Airlines
Jul 15
ILM3:41 pmWilmington New Hanover County
6h 45m
1 stop
STL9:26 pmLambert-St Louis
Jul 21
STL1:13 pmLambert-St Louis
9h 31m
2 stops
ILM11:44 pmWilmington New Hanover County
$297
United Airlines
Aug 21
ILM4:44 pmWilmington New Hanover County
6h 16m
1 stop
STL10:00 pmLambert-St Louis
Aug 23
STL8:50 amLambert-St Louis
5h 47m
1 stop
ILM3:37 pmWilmington New Hanover County
$319

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 June 9, 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

Cheapest round-trip

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Wed 7/15

8:01 pm-11:58 pm

1 stop4h 57m

Lambert-St Louis

Tue 7/21

6:55 am-2:51 pm

1 stop6h 56m

$241

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Wed 7/8

3:41 pm-9:26 pm

1 stop6h 45m

Lambert-St Louis

Mon 7/13

9:20 am-3:00 pm

1 stop4h 40m

$295

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Wed 7/15

3:41 pm-9:26 pm

1 stop6h 45m

Lambert-St Louis

Tue 7/21

1:13 pm-11:44 pm

2 stops9h 31m

$297
Quickest round-trip

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Sat 7/18

8:00 pm-11:58 pm

1 stop4h 58m

Lambert-St Louis

Wed 7/22

6:13 pm-11:33 pm

1 stop4h 20m

$298

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Sat 7/4

5:06 am-8:34 am

1 stop4h 28m

Lambert-St Louis

Fri 7/10

6:43 am-2:32 pm

1 stop6h 49m

$318

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Fri 8/21

4:44 pm-10:00 pm

1 stop6h 16m

Lambert-St Louis

Sun 8/23

8:50 am-3:37 pm

1 stop5h 47m

$319

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Fri 8/21

6:04 pm-12:14 am

1 stop7h 10m

Lambert-St Louis

Sun 8/23

6:33 pm-5:24 pm

2 stops21h 51m

$350

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Wed 6/24

6:50 pm-10:18 pm

1 stop4h 28m

Lambert-St Louis

Tue 7/7

6:00 am-1:43 pm

1 stop6h 43m

$355

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Fri 7/3

4:35 pm-9:48 pm

1 stop6h 13m

Lambert-St Louis

Sun 7/5

5:10 am-10:38 am

1 stop4h 28m

$359

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Fri 7/24

6:04 pm-11:59 pm

1 stop6h 55m

Lambert-St Louis

Mon 7/27

4:09 pm-2:58 pm

1 stop21h 49m

$368

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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, February 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 $200. The month of August is another great option to travel to St. Louis, with average flight prices from Wilmington averaging around $224.

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

4h 28m

Direct flights

None
The fastest flight from Wilmington to St. Louis takes 4h 28m
There are no direct flights from Wilmington to St. Louis. There are no popular flight routes from Wilmington to St. Louis.

Frequently asked questions about flying 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. 4h 28m 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
7.1
11,640 reviews
Search American Airlines flights
DeltaPriceFrom $275Free CancellationRating
7.9
8,394 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
Fairview Heights
Hermann
Maryland Heights
Florissant
O'Fallon
St. Peters
Collinsville
Alton
Wentzville
Fenton
Clayton
Farmington
Festus
Eureka
Litchfield
Edwardsville
Grafton
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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1 adult
Thu 7/9
Thu 7/16

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