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278 € Cheap Flights from St Louis to Wilmington

Compare St Louis to Wilmington flight deals

Find the cheapest month or even day of the year to fly to Wilmington

Book the best Wilmington fare with no extra fees

Flight deals from St Louis to Wilmington

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Wilmington Airport? If you want to travel next month, return fares start from 289 €. Find the lowest prices on one-way and return tickets right here.
Wilmington.278 € per passenger.Departing Fri, 31 Jul, returning Thu, 6 Aug.Return flight with Frontier Airlines and Breeze Airways.Outbound indirect flight with Frontier Airlines, departs from St Louis on Fri, 31 Jul, arriving in Wilmington.Inbound indirect flight with Breeze Airways, departs from Wilmington on Thu, 6 Aug, arriving in St Louis.Price includes taxes and charges.From 278 €, select.
Wilmington.289 € per passenger.Departing Sat, 1 Aug, returning Fri, 7 Aug.Return flight with Frontier Airlines and Breeze Airways.Outbound indirect flight with Frontier Airlines, departs from St Louis on Sat, 1 Aug, arriving in Wilmington.Inbound indirect flight with Breeze Airways, departs from Wilmington on Fri, 7 Aug, arriving in St Louis.Price includes taxes and charges.From 289 €, select.
Wilmington.345 € per passenger.Departing Fri, 13 Nov, returning Mon, 16 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Fri, 13 Nov, arriving in Wilmington.Inbound indirect flight with Delta, departs from Wilmington on Mon, 16 Nov, arriving in St Louis.Price includes taxes and charges.From 345 €, select.
Wilmington.346 € per passenger.Departing Fri, 11 Sep, returning Sun, 13 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Fri, 11 Sep, arriving in Wilmington.Inbound indirect flight with Delta, departs from Wilmington on Sun, 13 Sep, arriving in St Louis.Price includes taxes and charges.From 346 €, select.
Wilmington.368 € per passenger.Departing Fri, 11 Dec, returning Sun, 13 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Fri, 11 Dec, arriving in Wilmington.Inbound indirect flight with Delta, departs from Wilmington on Sun, 13 Dec, arriving in St Louis.Price includes taxes and charges.From 368 €, select.
Wilmington.377 € per passenger.Departing Thu, 16 Jul, returning Mon, 20 Jul.Return flight with Frontier Airlines and Breeze Airways.Outbound indirect flight with Frontier Airlines, departs from St Louis on Thu, 16 Jul, arriving in Wilmington.Inbound indirect flight with Breeze Airways, departs from Wilmington on Mon, 20 Jul, arriving in St Louis.Price includes taxes and charges.From 377 €, select.
Wilmington.429 € per passenger.Departing Fri, 26 Mar, returning Fri, 2 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Fri, 26 Mar, arriving in Wilmington.Inbound indirect flight with Delta, departs from Wilmington on Fri, 2 Apr, arriving in St Louis.Price includes taxes and charges.From 429 €, select.
Wilmington.573 € per passenger.Departing Tue, 20 Oct, returning Fri, 23 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Tue, 20 Oct, arriving in Wilmington.Inbound indirect flight with Delta, departs from Wilmington on Fri, 23 Oct, arriving in St Louis.Price includes taxes and charges.From 573 €, select.

Find the cheapest month to fly from St Louis to Wilmington

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Wilmington flights are currently cheapest in August.
Jul
from 377 €
Aug
from 289 €
Sep
from 346 €
Oct
from 573 €
Nov
from 345 €
Dec
from 368 €
Jan
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Feb
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Mar
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Apr
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May
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Jun
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St Louis to Wilmington: Alternative routes

Compare routes from St Louis to Wilmington below. You may find an airport to fly into that's cheaper, faster, or easier than Wilmington.

Wilmington

6km from central Wilmington
ClosestCheapest
from 278 €
Search flights

Jacksonville

74km from central Wilmington
from 306 €
Search flights

St Louis to Wilmington: Flight information

The things to know before you go.
Cheapest flight found278 €
Cheapest month to flyJuly

Finding cheap flights from St Louis to Wilmington: Frequently asked questions

The best price we found for a return flight from St Louis to Wilmington is 278 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from St Louis to Wilmington. But we found flights with one or more stops from 278 €.
As of July 2026, there are no flights flying from St Louis to Wilmington.
The cheapest month to fly from St Louis to Wilmington is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Wilmington Airport on Friday, 31 July 2026.
No airlines currently offer direct flights between St Louis Airport and Wilmington Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Wilmington but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Wilmington is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Frontier Airlines offers the cheapest flight tickets to Wilmington.

Travelling from St Louis Airport (STL) to Wilmington Airport (ILM): what you need to know

  • To ensure you catch your STL to ILM flight, leave enough time for things like check-in and baggage drop. Arriving two hours before international departures and one hour before domestic flights is the general rule.

  • You can expect longer lines during popular months like July. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a wise move.

  • Think about adding a stopover when booking your ticket from St Louis Airport to Wilmington Airport. Simply uncheck 'Direct flights only' to break up your journey, or perhaps explore a new destination along the way. Here's where you can stop between STL and ILM:

    • Chicago O'Hare International Airport

    • Atlanta Hartsfield-Jackson Airport

    • Charlotte Douglas Airport

How to find the cheapest flights from St Louis Airport (STL) to Wilmington Airport (ILM)

  • The cheapest price we've seen for a one-way St Louis Airport to Wilmington Airport flight is 120 €. A round-trip fare is currently 278 €. Depending on the availability when you book, these fares could change.

  • Don't wait until the last moment. You're more likely to find cheap tickets from STL to ILM if you book ahead. Airlines often have some terrific early bird discounts.

  • The 'Whole month' search tool shows you the cheapest flights from St Louis Airport to Wilmington Airport across every month. It's a great way to find a bargain if your travel plans aren't set in stone.

  • Stay on top of deals for cheap flights from STL to ILM by creating a Price Alert. We'll send you an email or notification through the app when fares go down.

  • Choose your ideal arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from St Louis Airport to Wilmington Airport.

Handy information about St Louis Airport (STL)

Arriving at Wilmington Airport (ILM)

When to fly to Wilmington Airport (ILM)

  • It's time to work out your dates for your flight from St Louis Airport to Wilmington Airport. July is the most popular month to visit Wilmington. If you like a quieter vibe, go in March.

  • When reserving your flight from St Louis Airport to Wilmington Airport, consider the kind of weather you enjoy. July is the warmest month in Wilmington, with temperatures ranging from 23ºC (73ºF) to 32ºC (90ºF).

  • January has average temperatures of between 1ºC (34ºF) and 16ºC (61ºF). Search for cheap tickets from STL to ILM sometime around then if you want to travel when it's cooler.

Explore more of the United States

  • Charlotte is just one of the many places in the United States waiting to be discovered after you've experienced Wilmington. Around 290 kilometres away to the north-west, its top attractions include Bechtler Museum of Modern Art, Discovery Place and NASCAR Hall of Fame.

  • Virginia Beach is another sought-after destination in the United States and is around 338 kilometres north-east of Wilmington. No journey is complete without seeing Virginia Beach Boardwalk, Resort Beach and Neptune's Park.

Plan the rest of your trip from St Louis to Wilmington

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.