Cheap Flights from Austin (AUS) to Marathon (MTH)

Popular airlines from Austin-Bergstrom International Airport (AUS) to Marathon, FL (MTH-Florida Keys Marathon)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 55% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Travel information

Origin airport
Austin-Bergstrom Intl.
Destination airport
Florida Keys Marathon
Distance
1736 km
*Available to Expedia members.