Cheap Flights from Brunswick (SSI) to Marathon (MTH)

Popular airlines from Brunswick, GA (SSI-McKinnon St. Simons Island) to Marathon, FL (MTH-Florida Keys Marathon)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash

Frequently asked questions

How much does a flight from McKinnon St. Simons Island Airport (SSI) to Marathon, FL (MTH-Florida Keys Marathon) cost?
Get a cheap one-way flight or cheap return flight from McKinnon St. Simons Island Airport (SSI) 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 McKinnon St. Simons Island Airport (SSI) to Marathon, FL (MTH-Florida Keys Marathon)?
Planning your trip for can help you save, as it's the cheapest month for flights between SSI and MTH. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from McKinnon St. Simons Island Airport (SSI) to Marathon, FL (MTH-Florida Keys Marathon)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SSI to MTH flight.
How many flights per day from McKinnon St. Simons Island Airport (SSI) to Marathon, FL (MTH-Florida Keys Marathon)?
You'll need to take a flight with a layover if you're traveling from McKinnon St. Simons Island Airport (SSI) to Marathon, FL (MTH-Florida Keys Marathon). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from SSI to MTH?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from McKinnon St. Simons Island Airport (SSI) to Marathon, FL (MTH-Florida Keys Marathon)?
Select a flight from McKinnon St. Simons Island Airport (SSI) to Marathon, FL (MTH-Florida Keys Marathon) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 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 McKinnon St. Simons Island Airport (SSI) to Marathon, FL (MTH-Florida Keys Marathon) last-minute?
Last-minute fares from SSI to MTH are usually more expensive. For the cheapest rates, start searching for flights well in advance. That being said, if you can play around with your travel dates, it's possible to find a cheap ticket right before your trip.
Can I cancel or change the date of my flight from McKinnon St. Simons Island Airport (SSI) to Marathon, FL (MTH-Florida Keys Marathon)?
In most cases, you're able to cancel or reschedule your SSI to MTH flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want more information, head to our Customer Service portal.

Travel information

Origin airport
McKinnon St. Simons Island
Destination airport
Florida Keys Marathon
Distance
444 mi

Book with confidence

Explore a world of travel with Expedia

*Available to One Key members.