Marathon (MTH) — 40 Flight Routes & Destinations
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Hub Brief
Plan your next trip from Marathon
Florida Keys Marathon International Airport (MTH) connects to 40 destinations (36 domestic, 4 international) served by 11 airlines including EJA, CNS and WDY. Browse the route map above to find your destination, then click any route for airline comparisons and schedule details.
How does MTH compare?
Alternative airports within 150 miles of Florida Keys Marathon International Airport.
| Metric | MTH | EYW | MIA | FLL | VRA | RSW | HAV |
|---|---|---|---|---|---|---|---|
| Distance | — | 46 mi | 88 mi | 109 mi | 119 mi | 132 mi | 148 mi |
| Nonstop Routes | 40 | 87 | 577 | 485 | 11 | 236 | 30 |
| International | 4 | 7 | 220 | 134 | 11 | 36 | 29 |
| Airlines | 0 | — | — | — | — | — | — |
| Passengers/yr | — | 1.5M | 55.9M | 34.2M | 1.2M | 10.9M | 3.5M |
On-Time Performance
Seasonal & Recently Added Routes
Seasonal services and routes recently added to AIRO from MTH.
Former nonstop destinations from MTH
Destinations that had nonstop service from MTH but don't appear in current schedules. Most remain reachable with a connection — open any route for the flights that used to operate and live options.
Routes by Distance
Distance breakdown of all routes from MTH.
Schedule Overview
Weekly flight schedule summary from MTH.
Florida Keys Marathon International Airport: Quick Facts
Comprehensive reference for MTH airport information.
Frequently Asked Questions
Common questions about flights from Florida Keys Marathon International Airport.
Florida Keys Marathon International Airport offers nonstop flights to 40 destinations, including 36 domestic and 4 international routes.
11 airlines operate scheduled service from Florida Keys Marathon International Airport, including major carriers like EJA, CNS and WDY. Use the airline filter above to see routes by specific carrier.
Yes, Florida Keys Marathon International Airport offers 4 international routes across 1 continent.
Yes. Beyond nonstop routes, the route explorer shows 1-stop and 2-stop connections, letting you reach hundreds of additional destinations via major hubs.
Nearby alternatives include EYW, MIA and FLL. Check the Nearby Airports section above for route counts and distances.
Use the checkboxes in the route list to select routes, then click Compare to see side-by-side stats including frequency, duration, airlines, and on-time performance.
Check the Schedule Overview section for a day-by-day breakdown of route availability from Florida Keys Marathon International Airport.
Route data is updated regularly from official airline schedules. Seasonal or newly announced routes may take a few days to appear.
Click any route to see detailed flight options, then use the 'Search Flights' button to check availability and prices on Google Flights.