Cheap Flights from Marathon (MTH) to Baltimore (BWI)

Popular airlines from Marathon, FL (MTH-Florida Keys Marathon) to Baltimore Washington International Airport (BWI)

  • 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
Florida Keys Marathon
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Distance
1649 km
*Available to Expedia members.