Cheap Flights from Wilmington (ILM) to Marathon (MTH)

Popular airlines from Wilmington Intl. Airport (ILM) to Marathon, FL (MTH-Florida Keys Marathon)

Frequently asked questions

How much does a flight from Wilmington Intl. Airport (ILM) to Marathon, FL (MTH-Florida Keys Marathon) cost?
Lock in a cheap one-way flight or cheap return flight from Wilmington Intl. Airport (ILM) to Marathon, FL (MTH-Florida Keys Marathon) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Wilmington Intl. Airport (ILM) to Marathon, FL (MTH-Florida Keys Marathon)?
is the least expensive month to fly from ILM to MTH. Traveling outside of peak seasons is often the key to finding better deals on flights.
What is the cheapest airline that flies from Wilmington Intl. Airport (ILM) to Marathon, FL (MTH-Florida Keys Marathon)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest ILM to MTH flight.
How many flights per day from Wilmington Intl. Airport (ILM) to Marathon, FL (MTH-Florida Keys Marathon)?
You'll need to hop on a flight with a layover if you're traveling from Wilmington Intl. Airport (ILM) to Marathon, FL (MTH-Florida Keys Marathon). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from ILM to MTH?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Wilmington Intl. Airport (ILM) to Marathon, FL (MTH-Florida Keys Marathon)?
To avoid potential delays on the Wilmington Intl. Airport (ILM) to Marathon, FL (MTH-Florida Keys Marathon) route, aim to travel before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Wilmington Intl. Airport (ILM) to Marathon, FL (MTH-Florida Keys Marathon) last-minute?
Booking your ticket from ILM to MTH right before your trip is typically more expensive. However, if there's some wiggle room with your travel times and dates, you could score a cheap last-minute fare.
Can I cancel or change the date of my flight from Wilmington Intl. Airport (ILM) to Marathon, FL (MTH-Florida Keys Marathon)?
Usually, it's possible to reschedule or cancel your ILM to MTH flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Wilmington Intl.
Destination airport
Florida Keys Marathon
Distance
685 mi

Book with confidence

Wilmington to Marathon Flights

The cheapest times to fly from Wilmington to Marathon

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Wilmington to Marathon are during the month of . You can find some of the cheapest flights from Wilmington to Marathon with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Wilmington to Marathon

Sunday is one of the best days to book for cheap flights from Wilmington to Marathon: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Wilmington to Marathon

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Wilmington to Marathon in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Wilmington to Marathon flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Wilmington to Marathon airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Wilmington to Marathon Flights

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*Available to One Key members.