$241+ Cheap flights from Wilmington to St. Louis (ILM - STL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
ILM — STL
Jul 10 — Jul 171
Round-trip
1 adult, Economy
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Find cheap flights from Wilmington to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Wilmington to St. Louis
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Last-minute
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Cheapest flights from Wilmington to St. LouisExplore the most affordable flight options available from Wilmington to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
Explore the most affordable flight options available from Wilmington to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:01 pm
ILM
- STL
1 stop4h 57m
American Airlines
Tue 7/216:55 am
STL
- ILM
1 stop6h 56m
American Airlines
Deal found 6/5![American Airlines logo]()
$241
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/83:41 pm
ILM
- STL
1 stop6h 45m
United Airlines
Mon 7/139:20 am
STL
- ILM
1 stop4h 40m
United Airlines
Deal found 6/6![United Airlines logo]()
$295
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:41 pm
ILM
- STL
1 stop6h 45m
United Airlines
Tue 7/211:13 pm
STL
- ILM
2 stops9h 31m
United Airlines
Deal found 6/5![United Airlines logo]()
$297
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/188:00 pm
ILM
- STL
1 stop4h 58m
American Airlines
Wed 7/226:13 pm
STL
- ILM
1 stop4h 20m
American Airlines
Deal found 6/8![American Airlines logo]()
$298
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/103:41 pm
ILM
- STL
1 stop6h 45m
United Airlines
Mon 7/139:20 am
STL
- ILM
1 stop4h 40m
United Airlines
Deal found 6/10![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:48 pm
ILM
- STL
1 stop6h 05m
Delta
Tue 7/213:58 pm
STL
- ILM
1 stop5h 58m
Delta
Deal found 6/8![Delta logo]()
$318
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/214:44 pm
ILM
- STL
1 stop6h 16m
United Airlines
Sun 8/238:50 am
STL
- ILM
1 stop5h 47m
United Airlines
Deal found 6/8![United Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:04 pm
ILM
- STL
1 stop7h 10m
Multiple Airlines
Sun 8/236:33 pm
STL
- ILM
2 stops21h 51m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:50 pm
ILM
- STL
1 stop4h 28m
Delta
Tue 7/76:00 am
STL
- ILM
1 stop6h 43m
Delta
Deal found 6/8![Delta logo]()
$355
This American Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/34:35 pm
ILM
- STL
1 stop6h 13m
American Airlines
Sun 7/55:10 am
STL
- ILM
1 stop4h 28m
American Airlines
Deal found 6/6![American Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:04 pm
ILM
- STL
1 stop6h 55m
Multiple Airlines
Mon 7/274:09 pm
STL
- ILM
1 stop21h 49m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:44 pm
ILM
- STL
1 stop6h 16m
United Airlines
Tue 9/18:00 am
STL
- ILM
1 stop6h 37m
United Airlines
Deal found 6/9![United Airlines logo]()
$370
Best flights from Wilmington to St. LouisDiscover carefully curated flight deals from Wilmington to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
Discover carefully curated flight deals from Wilmington to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:50 pm
ILM
- STL
1 stop4h 28m
Delta
Tue 7/76:00 am
STL
- ILM
1 stop6h 43m
Delta
Deal found 6/8![Delta logo]()
$355
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:44 pm
ILM
- STL
1 stop6h 16m
United Airlines
Tue 9/18:00 am
STL
- ILM
1 stop6h 37m
United Airlines
Deal found 6/9![United Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:30 am
ILM
- STL
2 stops11h 43m
United Airlines
Fri 7/106:01 am
STL
- ILM
1 stop5h 11m
United Airlines
Deal found 6/7![United Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:50 pm
ILM
- STL
1 stop6h 06m
Delta
Mon 6/298:00 am
STL
- ILM
1 stop4h 41m
Delta
Deal found 6/7![Delta logo]()
$411
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/204:44 pm
ILM
- STL
1 stop7h 15m
United Airlines
Thu 8/278:00 am
STL
- ILM
1 stop6h 37m
United Airlines
Deal found 6/9![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/237:30 am
ILM
- STL
2 stops9h 16m
United Airlines
Tue 7/289:20 am
STL
- ILM
1 stop4h 40m
United Airlines
Deal found 6/9![United Airlines logo]()
$521
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/243:41 pm
ILM
- STL
1 stop6h 49m
United Airlines
Mon 6/294:53 pm
STL
- ILM
1 stop5h 57m
United Airlines
Deal found 6/6![United Airlines logo]()
$549
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/313:41 pm
ILM
- STL
1 stop6h 45m
United Airlines
Tue 8/41:13 pm
STL
- ILM
2 stops9h 31m
United Airlines
Deal found 6/5![United Airlines logo]()
$559
Last-minute flights from Wilmington to St. LouisDiscover last-minute flight deals from Wilmington to St. Louis. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Wilmington to St. Louis. Data last updated June 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:50 pm
ILM
- STL
1 stop4h 28m
Delta
Tue 7/76:00 am
STL
- ILM
1 stop6h 43m
Delta
Deal found 6/8![Delta logo]()
$355
This American Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/34:35 pm
ILM
- STL
1 stop6h 13m
American Airlines
Sun 7/55:10 am
STL
- ILM
1 stop4h 28m
American Airlines
Deal found 6/6![American Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/83:41 pm
ILM
- STL
1 stop6h 45m
United Airlines
Mon 7/139:20 am
STL
- ILM
1 stop4h 40m
United Airlines
Deal found 6/6![United Airlines logo]()
$295
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/103:41 pm
ILM
- STL
1 stop6h 45m
United Airlines
Mon 7/139:20 am
STL
- ILM
1 stop4h 40m
United Airlines
Deal found 6/10![United Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:04 pm
ILM
- STL
1 stop6h 55m
Multiple Airlines
Mon 7/134:57 pm
STL
- ILM
2 stops21h 01m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$397
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:01 pm
ILM
- STL
1 stop4h 57m
American Airlines
Tue 7/216:55 am
STL
- ILM
1 stop6h 56m
American Airlines
Deal found 6/5![American Airlines logo]()
$241
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:41 pm
ILM
- STL
1 stop6h 45m
United Airlines
Tue 7/211:13 pm
STL
- ILM
2 stops9h 31m
United Airlines
Deal found 6/5![United Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:48 pm
ILM
- STL
1 stop6h 05m
Delta
Tue 7/213:58 pm
STL
- ILM
1 stop5h 58m
Delta
Deal found 6/8![Delta logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:04 pm
ILM
- STL
1 stop6h 55m
Multiple Airlines
Wed 7/224:57 pm
STL
- ILM
2 stops20h 53m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$380
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/188:00 pm
ILM
- STL
1 stop4h 58m
American Airlines
Wed 7/226:13 pm
STL
- ILM
1 stop4h 20m
American Airlines
Deal found 6/8![American Airlines logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:04 pm
ILM
- STL
1 stop6h 55m
Multiple Airlines
Mon 7/274:09 pm
STL
- ILM
1 stop21h 49m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$368
One-way flights from Wilmington to St. LouisSearch for one-way flight options from Wilmington to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
Search for one-way flight options from Wilmington to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/233:42 pm
ILM
- STL
1 stop6h 44m
United Airlines
Deal found 6/8![United Airlines logo]()
$274
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/93:42 pm
ILM
- STL
1 stop6h 44m
United Airlines
Deal found 6/8![United Airlines logo]()
$314
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:19 pm
ILM
- STL
1 stop5h 40m
American Airlines
Deal found 6/7![American Airlines logo]()
$353
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/253:42 pm
ILM
- STL
1 stop6h 44m
United Airlines
Deal found 6/10![United Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/156:50 pm
ILM
- STL
1 stop6h 06m
Delta
Deal found 6/9![Delta logo]()
$418
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:30 am
ILM
- STL
2 stops9h 16m
United Airlines
Deal found 6/10![United Airlines logo]()
$475
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:30 am
ILM
- STL
2 stops9h 16m
United Airlines
Deal found 6/7![United Airlines logo]()
$665
Find flight deals from Wilmington to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Wilmington (ILM) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $241 (American Airlines) |
Popular in | May |
Cheapest in | February |
Average price | $408 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 10, 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
Cheapest round-trip
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
Sat 8/29
4:44 pm-10:00 pm
1 stop6h 16m
Lambert-St Louis
Tue 9/1
8:00 am-3:37 pm
1 stop6h 37m
$370
WilmingtonSt. Louis
ILM - STL
ILMSTL
Wilmington New Hanover County
Sat 7/4
7:30 am-6:13 pm
2 stops11h 43m
Lambert-St Louis
Fri 7/10
6:01 am-12:12 pm
1 stop5h 11m
$398
WilmingtonSt. Louis
ILM - STL
ILMSTL
Wilmington New Hanover County
Thu 8/20
4:44 pm-10:59 pm
1 stop7h 15m
Lambert-St Louis
Thu 8/27
8:00 am-3:37 pm
1 stop6h 37m
$399
Quickest round-trip
WilmingtonSt. Louis
ILM - STL
ILMSTL
Wilmington New Hanover County
Wed 6/24
6:50 pm-11:56 pm
1 stop6h 06m
Lambert-St Louis
Mon 6/29
8:00 am-1:41 pm
1 stop4h 41m
$411
WilmingtonSt. Louis
ILM - STL
ILMSTL
Wilmington New Hanover County
Thu 7/23
7:30 am-3:46 pm
2 stops9h 16m
Lambert-St Louis
Tue 7/28
9:20 am-3:00 pm
1 stop4h 40m
$521
WilmingtonSt. Louis
ILM - STL
ILMSTL
Wilmington New Hanover County
Wed 6/24
3:41 pm-9:30 pm
1 stop6h 49m
Lambert-St Louis
Mon 6/29
4:53 pm-11:50 pm
1 stop5h 57m
$549
WilmingtonSt. Louis
ILM - STL
ILMSTL
Wilmington New Hanover County
Fri 7/31
3:41 pm-9:26 pm
1 stop6h 45m
Lambert-St Louis
Tue 8/4
1:13 pm-11:44 pm
2 stops9h 31m
$559
Cheapest one-way
WilmingtonSt. Louis
ILM - STL
ILMSTL
Wilmington New Hanover County
Thu 7/23
3:42 pm-9:26 pm
1 stop6h 44m
$274
WilmingtonSt. Louis
ILM - STL
ILMSTL
Wilmington New Hanover County
Thu 7/9
3:42 pm-9:26 pm
1 stop6h 44m
$314
Showing 1-10 of 13 resultsSorted by cheapest first
Compare providers for flights from Wilmington to St. Louis
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Wilmington to St. Louis in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Wilmington-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Wilmington-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Wilmington-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Wilmington-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Wilmington-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Wilmington to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Wilmington with our price prediction graph.
ILM-STL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Wilmington to St. Louis
What is the cheapest month to book a flight from Wilmington to St. Louis?
Currently, February is the cheapest month in which you can book a flight from Wilmington to St. Louis (average of $200). Flying from Wilmington to St. Louis in May is currently the most expensive (average of $526). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Wilmington to St. Louis?
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated June 10, 2026.
Read reviews from past customers who have flown Delta and American Airlines from Wilmington to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Wilmington to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Alton
Farmington
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Top 2 airlines flying from Wilmington to St. Louis
Discover the top 2 airlines that operate flights from Wilmington to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$200 | Average$267 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$275 | Average$367 | FlexibilityNo cancel fee | On-timeN/A |