Need help booking?

Unpublished phone-only deals available

MTH to EYW: distance & flight time

Marathon (The Florida Keys Marathon Airport) → Key West (Key West International Airport)

46 mi
74 km · 40 nm
35m
estimated nonstop flight time
Same time
time difference · heading west
See live MTHEYW fares Phone-only fares on this route — call free

Flight time details

46 miles nonstop takes roughly 35m gate to gate, flying west. 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

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.

Frequently asked questions

How far is MTH from EYW?

The flight distance from Marathon (MTH) to Key West (EYW) is 46 miles (74 km, 40 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from MTH to EYW?

A nonstop flight takes about 35m 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 MTH to EYW?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MTH–EYW that never appear on search engines, with no booking fees.
Keep exploring:EYW to MTH Airports near MTH Airports near EYW Time difference MTHEYW Distance calculator