Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Wilmington to St. Louis from $148

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 5/19. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Wilmington to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:05 pm - 9:26 pm
ILM
-
STL
6h 21m
1 stop
United Airlines Logo
7:22 am - 3:24 pm
STL
-
ILM
7h 02m
1 stop
$285United Airlines
Fri, Jun 26 - Tue, Jun 30
Delta Logo
6:50 pm - 10:14 pm
ILM
-
STL
4h 24m
1 stop
Delta Logo
9:22 am - 4:42 pm
STL
-
ILM
6h 20m
1 stop
$308Delta
Thu, Jun 18 - Tue, Jun 23
Multiple Airlines Logo
4:30 pm - 12:09 am
ILM
-
STL
8h 39m
1 stop
Multiple Airlines Logo
4:17 pm - 2:58 pm
STL
-
ILM
21h 41m
1 stop
$314Multiple Airlines
Thu, Jun 18 - Mon, Jun 22
United Airlines Logo
4:20 pm - 9:21 pm
ILM
-
STL
6h 01m
1 stop
United Airlines Logo
7:22 am - 3:24 pm
STL
-
ILM
7h 02m
1 stop
$329United Airlines
Thu, May 21 - Mon, May 25
American Airlines Logo
5:00 am - 8:30 am
ILM
-
STL
4h 30m
1 stop
American Airlines Logo
6:53 pm - 11:52 pm
STL
-
ILM
3h 59m
1 stop
$344American Airlines
Thu, May 14 - Sat, May 16
United Airlines Logo
4:05 pm - 9:26 pm
ILM
-
STL
6h 21m
1 stop
United Airlines Logo
1:13 pm - 11:44 pm
STL
-
ILM
9h 31m
2 stops
$346United Airlines
Fri, Jun 26 - Tue, Jun 30
Delta Logo
6:00 am - 10:34 am
ILM
-
STL
5h 34m
1 stop
Delta Logo
7:25 am - 1:38 pm
STL
-
ILM
5h 13m
1 stop
$355Delta
Sat, May 2 - Wed, May 6
Multiple Airlines Logo
4:30 pm - 6:18 pm
ILM
-
STL
26h 48m
2 stops
Multiple Airlines Logo
4:17 pm - 2:58 pm
STL
-
ILM
21h 41m
1 stop
$373Multiple Airlines
Thu, Jun 18 - Mon, Jun 22
United Airlines Logo
5:01 pm - 11:57 pm
ILM
-
STL
7h 56m
1 stop
United Airlines Logo
6:15 am - 3:23 pm
STL
-
ILM
8h 08m
1 stop
$379United Airlines
Fri, May 1 - Tue, May 5
Multiple Airlines Logo
2:35 pm - 8:55 am
ILM
-
STL
43h 20m
2 stops
Multiple Airlines Logo
4:19 pm - 2:58 pm
STL
-
ILM
21h 39m
1 stop
$380Multiple Airlines
Mon, May 18 - Mon, May 25

United Airlines flights from Wilmington to St. Louis

Our best United Airlines deals on Wilmington to St. Louis flight tickets
United Airlines
Jun 26
ILM4:05 pmWilmington New Hanover County
6h 21m
1 stop
STL9:26 pmLambert-St Louis
Jun 30
STL7:22 amLambert-St Louis
7h 02m
1 stop
ILM3:24 pmWilmington New Hanover County
$285
United Airlines
May 21
ILM4:20 pmWilmington New Hanover County
6h 01m
1 stop
STL9:21 pmLambert-St Louis
May 25
STL7:22 amLambert-St Louis
7h 02m
1 stop
ILM3:24 pmWilmington New Hanover County
$329
United Airlines
Jun 26
ILM4:05 pmWilmington New Hanover County
6h 21m
1 stop
STL9:26 pmLambert-St Louis
Jun 30
STL1:13 pmLambert-St Louis
9h 31m
2 stops
ILM11:44 pmWilmington New Hanover County
$346

Delta flights from Wilmington to St. Louis

Our best Delta deals on Wilmington to St. Louis flight tickets
Delta
Jun 18
ILM6:50 pmWilmington New Hanover County
4h 24m
1 stop
STL10:14 pmLambert-St Louis
Jun 23
STL9:22 amLambert-St Louis
6h 20m
1 stop
ILM4:42 pmWilmington New Hanover County
$308
Delta
May 2
ILM6:00 amWilmington New Hanover County
5h 34m
1 stop
STL10:34 amLambert-St Louis
May 6
STL7:25 amLambert-St Louis
5h 13m
1 stop
ILM1:38 pmWilmington New Hanover County
$355
Delta
Apr 29
ILM7:00 amWilmington New Hanover County
6h 05m
1 stop
STL12:05 pmLambert-St Louis
May 3
STL6:50 pmLambert-St Louis
4h 09m
1 stop
ILM11:59 pmWilmington New Hanover County
$433

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 April 21, 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

Fri 6/26

4:05 pm-9:26 pm

1 stop6h 21m

Lambert-St Louis

Tue 6/30

7:22 am-3:24 pm

1 stop7h 02m

$285

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Thu 6/18

6:50 pm-10:14 pm

1 stop4h 24m

Lambert-St Louis

Tue 6/23

9:22 am-4:42 pm

1 stop6h 20m

$308

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Thu 6/18

4:30 pm-12:09 am

1 stop8h 39m

Lambert-St Louis

Mon 6/22

4:17 pm-2:58 pm

1 stop21h 41m

$314

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Thu 5/21

4:20 pm-9:21 pm

1 stop6h 01m

Lambert-St Louis

Mon 5/25

7:22 am-3:24 pm

1 stop7h 02m

$329
Quickest round-trip

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Thu 5/14

5:00 am-8:30 am

1 stop4h 30m

Lambert-St Louis

Sat 5/16

6:53 pm-11:52 pm

1 stop3h 59m

$344

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Fri 6/26

4:05 pm-9:26 pm

1 stop6h 21m

Lambert-St Louis

Tue 6/30

1:13 pm-11:44 pm

2 stops9h 31m

$346

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Sat 5/2

6:00 am-10:34 am

1 stop5h 34m

Lambert-St Louis

Wed 5/6

7:25 am-1:38 pm

1 stop5h 13m

$355

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Thu 6/18

4:30 pm-6:18 pm

2 stops26h 48m

Lambert-St Louis

Mon 6/22

4:17 pm-2:58 pm

1 stop21h 41m

$373

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Fri 5/1

5:01 pm-11:57 pm

1 stop7h 56m

Lambert-St Louis

Tue 5/5

6:15 am-3:23 pm

1 stop8h 08m

$379

WilmingtonSt. Louis

ILM - STL

ILMSTL

Wilmington New Hanover County

Mon 5/18

2:35 pm-8:55 am

2 stops43h 20m

Lambert-St Louis

Mon 5/25

4:19 pm-2:58 pm

1 stop21h 39m

$380

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $231.

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 11m

Direct flights

None
The fastest flight from Wilmington to St. Louis takes 4h 11m
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. 4h 11m 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
11,645 reviews
Search American Airlines flights
DeltaPriceFrom $275Free CancellationRating
7.9
8,434 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
St. Peters
Collinsville
Wentzville
Alton
Fenton
Farmington
Festus
Clayton
Eureka
Litchfield
Edwardsville
Shrewsbury
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.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 5/21
Thu 5/28
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States