Cheap Flights from San Diego (SAN) to Marathon (MTH)

Popular airlines from San Diego Intl. Airport (SAN) to Marathon, FL (MTH-Florida Keys Marathon)

  • Be in the know

    Get alerts if flight prices drop or rise*
  • Book smarter

    Save up to 30% on select hotels after you book a flight*
  • Earn twice

    Earn your airline miles on top of our rewards

Frequently asked questions

How much is a flight from SAN to MTH?
Round-trip journeys between SAN and MTH start from . This figure is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — book now so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SAN to MTH?
When it comes to cancellation fees, every airline has different terms and conditions. If you decide to cancel your escape, visit our Customer Service Portal.
How do I find cheap flights from San Diego Intl. Airport (SAN) to MTH that have flexible change policies?
Plenty of airlines offer the option to reschedule your flight without charging a fee. All you pay is the cost difference between the two flights. When searching for San Diego Airport to MTH flights, you'll see a "No change fees" filter for you to select.
How far is the flight from San Diego Intl. Airport (SAN) to MTH?
Expect to be up above the clouds for a while, as the flight distance between San Diego Airport and MTH is 3,600 kilometres. Put together a playlist of your favourite tunes before leaving home to keep yourself entertained during your trip.
Which airlines fly direct from San Diego Airport to MTH?
Direct flights aren't available, so you'll need to make at least one stop between SAN and MTH. Take advantage of the layover time to stretch your legs and enjoy some personal space.
Are San Diego Airport to MTH flight tickets cheaper when they're purchased at the last minute?
Flight prices from San Diego Intl. Airport (SAN) to MTH are available up to a year prior to departure on Expedia. And although you may pick up great last-minute deal, it's never something you can count on. Also, booking your flights ahead of time means you'll have more options — and you can avoid being wedged in the dreaded middle seat! We regularly update our fares to make sure you get the biggest bargains, so keep checking in for all the latest specials.

Travel information

Origin airport
San Diego Intl.
Destination airport
Florida Keys Marathon
Distance
3595 km

Book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.