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Cheap flights from Wilmington to St. Louis from $164

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 8/21. 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
6:11 am - 9:32 am
ILM
-
STL
4h 21m
1 stop
American Airlines Logo
5:18 pm - 11:59 pm
STL
-
ILM
5h 41m
1 stop
$251American Airlines
Sat, Aug 29 - Sat, Sep 12
American Airlines Logo
7:22 pm - 10:40 pm
ILM
-
STL
4h 18m
1 stop
American Airlines Logo
8:36 am - 3:44 pm
STL
-
ILM
6h 08m
1 stop
$251American Airlines
Sat, Aug 22 - Sat, Sep 5
United Airlines Logo
4:44 pm - 10:00 pm
ILM
-
STL
6h 16m
1 stop
United Airlines Logo
8:00 am - 3:56 pm
STL
-
ILM
6h 56m
1 stop
$251United Airlines
Sat, Aug 22 - Sat, Sep 5
United Airlines Logo
4:44 pm - 10:00 pm
ILM
-
STL
6h 16m
1 stop
United Airlines Logo
8:00 am - 3:56 pm
STL
-
ILM
6h 56m
1 stop
$251United Airlines
Sat, Aug 22 - Sat, Sep 5
American Airlines Logo
10:52 am - 4:27 pm
ILM
-
STL
6h 35m
1 stop
American Airlines Logo
6:53 am - 1:24 pm
STL
-
ILM
5h 31m
1 stop
$251American Airlines
Wed, Sep 16 - Tue, Sep 22
American Airlines Logo
5:32 pm - 12:27 am
ILM
-
STL
7h 55m
1 stop
American Airlines Logo
5:00 am - 11:53 am
STL
-
ILM
5h 53m
1 stop
$251American Airlines
Wed, Sep 30 - Sat, Oct 3
United Airlines Logo
4:44 pm - 10:59 pm
ILM
-
STL
7h 15m
1 stop
United Airlines Logo
9:23 am - 11:59 pm
STL
-
ILM
13h 36m
2 stops
$256United Airlines
Sat, Aug 29 - Sat, Sep 12
Delta Logo
2:29 pm - 6:27 pm
ILM
-
STL
4h 58m
1 stop
Delta Logo
5:23 pm - 11:57 pm
STL
-
ILM
5h 34m
1 stop
$308Delta
Tue, Aug 11 - Wed, Aug 26
Delta Logo
4:37 pm - 8:33 pm
ILM
-
STL
4h 56m
1 stop
Delta Logo
7:00 am - 1:43 pm
STL
-
ILM
5h 43m
1 stop
$308Delta
Sat, Aug 15 - Wed, Aug 26
Delta Logo
6:00 am - 9:20 am
ILM
-
STL
4h 20m
1 stop
Delta Logo
6:00 am - 1:43 pm
STL
-
ILM
6h 43m
1 stop
$318Delta
Sat, Aug 15 - Tue, Aug 25

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Delta flights from Wilmington to St. Louis

Our best Delta deals on Wilmington to St. Louis flight tickets
Delta
Aug 15
ILM4:37 pmWilmington New Hanover County
4h 56m
1 stop
STL8:33 pmLambert-St Louis
Aug 26
STL7:00 amLambert-St Louis
5h 43m
1 stop
ILM1:43 pmWilmington New Hanover County
$308
Delta
Aug 11
ILM6:00 amWilmington New Hanover County
4h 54m
1 stop
STL9:54 amLambert-St Louis
Aug 29
STL6:00 amLambert-St Louis
4h 28m
1 stop
ILM11:28 amWilmington New Hanover County
$318
Delta
Aug 14
ILM6:47 pmWilmington New Hanover County
15h 33m
1 stop
STL9:20 amLambert-St Louis
Aug 25
STL6:00 amLambert-St Louis
6h 43m
1 stop
ILM1:43 pmWilmington New Hanover County
$338

United Airlines flights from Wilmington to St. Louis

Our best United Airlines deals on Wilmington to St. Louis flight tickets
United Airlines
Aug 22
ILM4:44 pmWilmington New Hanover County
6h 16m
1 stop
STL10:00 pmLambert-St Louis
Sep 5
STL8:00 amLambert-St Louis
6h 56m
1 stop
ILM3:56 pmWilmington New Hanover County
$251
United Airlines
Aug 29
ILM4:44 pmWilmington New Hanover County
7h 15m
1 stop
STL10:59 pmLambert-St Louis
Sep 12
STL9:23 amLambert-St Louis
13h 36m
2 stops
ILM11:59 pmWilmington New Hanover County
$256
United Airlines
Aug 12
ILM4:44 pmWilmington New Hanover County
6h 16m
1 stop
STL10:00 pmLambert-St Louis
Aug 26
STL7:25 amLambert-St Louis
7h 12m
1 stop
ILM3:37 pmWilmington New Hanover County
$300

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 July 27, 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
Quickest round-trip

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Sat 8/29

6:11 am-9:32 am

1 stop4h 21m

Lambert-St Louis

Sat 9/12

5:18 pm-11:59 pm

1 stop5h 41m

$251

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Sat 8/22

7:22 pm-10:40 pm

1 stop4h 18m

Lambert-St Louis

Sat 9/5

8:36 am-3:44 pm

1 stop6h 08m

$251

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Sat 8/22

4:44 pm-10:00 pm

1 stop6h 16m

Lambert-St Louis

Sat 9/5

8:00 am-3:56 pm

1 stop6h 56m

$251

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Sat 8/22

4:44 pm-10:00 pm

1 stop6h 16m

Lambert-St Louis

Sat 9/5

8:00 am-3:56 pm

1 stop6h 56m

$251

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Wed 9/16

10:52 am-4:27 pm

1 stop6h 35m

Lambert-St Louis

Tue 9/22

6:53 am-1:24 pm

1 stop5h 31m

$251

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Wed 9/30

5:32 pm-12:27 am

1 stop7h 55m

Lambert-St Louis

Sat 10/3

5:00 am-11:53 am

1 stop5h 53m

$251

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Sat 8/29

4:44 pm-10:59 pm

1 stop7h 15m

Lambert-St Louis

Sat 9/12

9:23 am-11:59 pm

2 stops13h 36m

$256

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Tue 8/11

2:29 pm-6:27 pm

1 stop4h 58m

Lambert-St Louis

Wed 8/26

5:23 pm-11:57 pm

1 stop5h 34m

$308

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Sat 8/15

4:37 pm-8:33 pm

1 stop4h 56m

Lambert-St Louis

Wed 8/26

7:00 am-1:43 pm

1 stop5h 43m

$308

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Sat 8/15

6:00 am-9:20 am

1 stop4h 20m

Lambert-St Louis

Tue 8/25

6:00 am-1:43 pm

1 stop6h 43m

$318

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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?

Prices are currently typical for flights on this route.

Typical prices usually range from $237 to $414.
The lowest price recently found on this route was $251.

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 September is another great option to travel to St. Louis, with average flight prices from Wilmington averaging around $238.

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 45m

Direct flights

None
The fastest flight from Wilmington to St. Louis takes 5h 45m
There are no direct flights from Wilmington to St. Louis. There are no popular flight routes from Wilmington to St. Louis.
Search flight deals

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. 5h 45m 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
11,843 reviews
Search American Airlines flights
DeltaPriceFrom $275Free CancellationRating
7.8
8,490 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
Collinsville
St. Peters
Florissant
Maryland Heights
O'Fallon
Alton
Farmington
Clayton
Wentzville
Fenton
Festus
Eureka
Edwardsville
Litchfield
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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