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LGA to MTH: distance & flight time
New York (La Guardia Airport) → Marathon (The Florida Keys Marathon Airport)
1,184 mi
1,905 km · 1,029 nm
3h 2m
estimated nonstop flight time
Same time
time difference · heading southwest
See live LGA→MTH fares Phone-only fares on this route — call free
Flight time details
1,184 miles nonstop takes roughly 3h 2m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- LGA — La Guardia Airport · New York, United States
- MTH — The Florida Keys Marathon Airport · Marathon, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near LGA
Near MTH
- NQX · Naval Air Station Key West/Boca Chica Field41 mi away
- EYW · Key West International Airport46 mi away
- MIA · Miami International Airport88 mi away
- OCA · Ocean Reef Club Airport64 mi away
Frequently asked questions
How far is LGA from MTH?
The flight distance from New York (LGA) to Marathon (MTH) is 1,184 miles (1,905 km, 1,029 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LGA to MTH?
A nonstop flight takes about 3h 2m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from LGA to MTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LGA–MTH that never appear on search engines, with no booking fees.