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 to Wilmington? Find the lowest prices on one-way and return tickets right here.

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 May.

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.

St Louis to Wilmington: Flight information

The things to know before you go.
Cheapest flight foundR 2,470
Cheapest month to flyMay

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 R 5,778. 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 R 5,778.
As of April 2026, there are no flights flying from St Louis to Wilmington.
The cheapest month to fly from St Louis to Wilmington is usually April.
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 Saturday, 18 April 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, United offers the cheapest flight tickets to Wilmington.

Flying from Lambert-St. Louis International Airport (STL) to Wilmington International Airport (ILM): what you need to know

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Get to the airport on time to catch your STL to ILM flight.

  • During popular months like July, it's a good idea to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're flying during peak periods in general.

  • Think about adding a stopover when booking your ticket from Lambert-St. Louis International Airport to Wilmington International Airport. Simply deselect 'Direct flights only' to break up your journey, or maybe even explore a new city along the way. Check out these options between STL and ILM:

    • Charlotte Douglas International Airport

    • Hartsfield-Jackson Atlanta International Airport

    • O'Hare International Airport

How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Wilmington International Airport (ILM)

  • At the moment, R 2,470 is the cheapest price we've seen for a one-way Lambert-St. Louis International Airport to Wilmington International Airport flight. The best price for a return ticket is R 5,778. Keep in mind that fares could change due to demand when booking.

  • To score cheap tickets from STL to ILM, book ahead. Airlines usually offer lower prices when flights are first released.

  • Finding cheap flights from Lambert-St. Louis International Airport to Wilmington International Airport is more likely if you're flexible with your dates. Use the 'Whole month' search function to see the best prices across the month and score a great deal.

  • Spend less time searching for cheap flights from STL to ILM by setting up a Price Alert. You'll receive an email or push notification on the app when a lower fare becomes available.

  • Discover the ideal flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Lambert-St. Louis International Airport to Wilmington International Airport, use the 'Sort by' function. You can also filter by departure and arrival times, airline, and journey duration.

Handy information about Lambert-St. Louis International Airport (STL)

Arriving at Wilmington International Airport (ILM)

Getting from Wilmington International Airport (ILM) to central Wilmington

  • ILM is located at 1740 Airport Boulevard.

  • Wilmington International Airport to the centre of Wilmington has a drive time of around 15 minutes. It's approximately 11 kilometres away.

  • If you're travelling on public transport, expect a journey of about 2 hours 50 minutes.

When to fly to Wilmington International Airport (ILM)

  • July is the busiest month for flights from Lambert-St. Louis International Airport to Wilmington International Airport. To steer clear of the crowds, head to Wilmington in January.

  • The warmest month in Wilmington is July, with the temperature ranging between 23ºC (73ºF) and 32ºC (90ºF). Book your flights from Lambert-St. Louis International Airport to Wilmington International Airport in this month if this is the kind of weather you like.

  • January has average temperatures of between 1ºC (34ºF) and 16ºC (61ºF). Search for cheap tickets from STL to ILM sometime then if you like cooler conditions.

Explore more of United States

  • Charlotte is just one of the many cities in United States waiting to be explored once you've seen Wilmington. Around 290 kilometres away to the north-west, popular attractions include NASCAR Hall of Fame, Freedom Park and Carolinas Aviation Museum.

  • Virginia Beach is another favourite destination in United States and is around 338 kilometres north-east of Wilmington. No trip is complete without a visit to Marina Shores Marina, Rudee Inlet Station Marina and Allegra.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.