
Marathon, Florida's main airport, is located about 2 miles east of the city's downtown area. The Florida Keys Marathon International Airport (IATA: MTH, ICAO: KMTH, FAA LID: MTH) is a public airport that covers 197 acres and has one 8000-foot runway. Over the years, various airlines have offered flights to Marathon, including Southeast Airlines, Air Sunshine, Air Florida Commuter, Provincetown-Boston Airlines, and more. Currently, Delta Air Lines and its regional subsidiary Atlantic Southeast Airlines offer nonstop regional jet service between Atlanta and Marathon.
| Characteristics | Values |
|---|---|
| Airport Name | Florida Keys Marathon Airport |
| Airport Code | MTH |
| Location | Marathon, Monroe County, Florida, United States |
| Runway Length | 5,000 feet (1,500 m) |
| Airlines | Southeast Airlines, Air Sunshine, Air Florida Commuter, Provincetown-Boston Airlines (PBA), Air Miami, North American Airlines, Air South, Airways International, Bar Harbor Airlines, Cape Air, Comair, Gulfstream International, Pro Air, Shawnee Airlines, Southern Express, American Eagle Airlines, Delta Air Lines, Atlantic Southeast Airlines (ASA), Freedom Airlines, Continental Airlines |
| Aircraft Used | Martin 4-0-4 prop aircraft, Fairchild F-27 turboprop, Douglas DC-3, DC-3 prop, Embraer EMB-110 Bandeirante commuter turboprop, NAMC YS-11 turboprops, regional jet aircraft (Embraer ERJ-145), Canadair regional jet aircraft |
| Ticket Price Range | $27+ for one-way fares |
| Best Days to Book | Tuesdays, Wednesdays, Thursdays, Saturdays, Fridays, Mondays |
| Cheapest Days to Fly | Mondays |
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What You'll Learn

Airlines that fly to Marathon Airport
Marathon Airport, officially known as Florida Keys Marathon Airport, is located in Marathon, Monroe County, Florida. The airport is situated approximately 2 miles from the city's downtown area and covers 197 acres of land, boasting a single 8000-foot runway.
During the late 1960s, Southeast Airlines operated a Miami-Marathon-Key West route with three daily flights, utilising both prop and turboprop aircraft. Following this, Air Sunshine served Marathon with flights to and from Miami, using Douglas DC-3 planes.
In the 1970s and early 1980s, Air Florida Commuter, in collaboration with Air Florida, provided services to Marathon and Key West. This was followed by Provincetown-Boston Airlines (PBA), which employed a combination of aircraft types, including DC-3 props and Embraer EMB-110 Bandeirante commuter turboprops.
Over the years, various commuter airlines have served Marathon, including Air Miami, North American Airlines, Air South, Airways International, and Bar Harbor Airlines, which operated as Eastern Express on behalf of Eastern Airlines. Cape Air, Comair (as the Delta Connection for Delta Air Lines), Gulfstream International, Pro Air, Shawnee Airlines, and Southern Express have also offered flights to Marathon Airport.
In 2006, Delta Air Lines announced plans for nonstop regional jet service between Atlanta and Marathon, to be operated by its subsidiary Atlantic Southeast Airlines (ASA) on a code-sharing basis. Shortly after, Continental Airlines revealed its intention to serve Marathon via its Florida code-sharing partner, Gulfstream International.
On February 15, 2007, ASA commenced daily scheduled nonstop flights between Atlanta and Marathon on behalf of Delta, marking the airport's first-ever scheduled jet service. However, later that year, Delta transitioned to regional jet flights operated by Freedom Airlines, offering nonstop services between Atlanta and Marathon.
While specific airlines and routes were not found in the current search, sources indicate that cheap flights to Marathon can be found on Orbitz and Travelocity, with prices as low as $27 for a one-way trip. These websites offer tools to find the best deals and plan your trip efficiently.
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Marathon Airport history
The Florida Keys Marathon International Airport, located in Monroe County, Florida, was built during World War II as an outlying emergency airfield and a practice strip for pilot training. Construction began in the fall of 1942 and was completed in the spring of 1943. It was constructed on 280 acres of land purchased at $70 an acre and was transformed from a parcel of mangroves and scrub into an airfield in about six months. The U.S. Navy used it as an auxiliary airfield for Naval Air Station Key West, and it was a part of the Navy's flight programs.
After World War II, the airport was deactivated as a military facility and transferred to Monroe County, which began operating it as a public airport in 1958. National Airlines began servicing Marathon on November 10, 1959, as part of their Miami-Key West route, marking the first time the airport was directly served by a major U.S. airline. During the late 1960s, Southeast Airlines served the airport with three daily flights to and from Miami as part of the same route, utilising two Martin 4-0-4 prop aircraft and a Fairchild F-27 turboprop.
In the early 1970s, Air Sunshine served Marathon with Douglas DC-3 aircraft to and from Miami, and Air Florida Commuter provided service via a code-sharing agreement. During the 1980s, PBA and Air Miami served the airport, with PBA offering flights to Miami and Air Miami ending its affiliation with Air Florida to become North American Airlines in 1981.
In 2006, Delta Air Lines announced plans for nonstop regional jet service between Atlanta and Marathon, operated by its regional subsidiary Atlantic Southeast Airlines (ASA). However, in late spring 2007, Delta ended the ASA service and began regional jet flights operated by Freedom Airlines on a code-sharing basis.
Today, Marathon Airport is the city's main airport, located approximately two miles east of downtown Marathon. It covers 197 acres and has one 8000-foot runway.
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Best times to book a flight to Marathon
Marathon, Florida Keys Marathon (airport code MTH) is the city's main airport, located approximately 2 miles east of downtown Marathon.
There are several strategies to consider when booking a flight to Marathon to ensure you get the best deal. Firstly, it is generally recommended to book flights in advance to benefit from lower prices and more choices. Airlines typically release their flight schedules and pricing about 11 months before departure, and booking during this early period can result in more affordable fares. However, it is important to remain flexible with travel dates and keep an eye on price fluctuations to maximise potential discounts.
Secondly, airfare to Marathon varies throughout the year based on seasonal demand. Generally, January is the best month to purchase your plane ticket, followed by February and August. Tuesdays, Wednesdays, Thursdays, and Saturdays tend to be the cheapest days to book flights, with Monday being the cheapest day to fly. Additionally, flying during the busy season often results in higher airfares, so try to travel outside of popular dates such as Christmas, New Year's Eve, and Easter.
Thirdly, consider bundling your flights, hotels, and car rentals. Many websites offer package deals that can save you money. Additionally, using the ''Flexible Dates' option on some websites can help you find the cheapest days to fly and score great deals.
Finally, don't wait too long to book, as the best deals may not last. Keep an eye on flight prices, and if you see a good deal, go for it. It is also a good idea to set price alerts on websites or apps to be notified when prices drop.
By following these strategies, you can increase your chances of finding the best prices and deals when booking your flight to Marathon.
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Hotels near Marathon Airport
Marathon Airport, also known as Florida Keys Marathon Airport, is located in Marathon, Florida, approximately 2 miles east of the downtown area.
Yacht Haven
Yacht Haven is located within 1.8 miles of Sombrero Beach and offers accommodations with free bikes, free WiFi, and free private parking. It is also located 3.2 miles from Florida Keys Aquarium Encounters, making it a convenient option for those interested in visiting the aquarium.
Grassy Flats Resort & Beach Club
Grassy Flats Resort & Beach Club is situated 5.3 miles from Florida Keys Aquarium Encounters and provides guests with an outdoor swimming pool, free private parking, and access to a private beach area.
Hampton Inn Marathon - Florida Keys
This hotel is located 0.9 miles from Florida Keys Aquarium Encounters and offers rooms with free WiFi access. Guests have praised the excellent breakfast and convenient location.
Key Colony Aqua Lodges
Key Colony Aqua Lodges is centrally located in Key Colony Beach and offers free WiFi and free private parking. It is an ideal option for those seeking accommodations with convenient access to both the beach and the city.
When booking your trip to Marathon, it is worth considering the following tips to find cheap flights:
- Generally, the best month to purchase plane tickets is January, followed by February and August.
- Tuesdays, Wednesdays, and Saturdays tend to have lower airfares.
- Booking on Thursdays or Saturdays can provide better value, while Wednesdays and Sundays usually have higher ticket prices.
- Flying during the busy season often results in higher airfares. Therefore, it is advisable to travel outside of popular dates such as Christmas, New Year's Eve, and Easter.
- Some websites offer cost-effective package deals that bundle flights, hotels, and car rentals, which can help save money.
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Attractions near Marathon Airport
Marathon Airport, also known as Florida Keys Marathon, is located in Marathon, Florida, approximately 2 miles east of the downtown area. The closest major airport to Marathon Airport is Key West International Airport (EYW/KEYW), which is around 47 miles from Marathon, Florida.
The Turtle Hospital
The Turtle Hospital is a rehabilitation centre for sea turtles and a popular attraction in Marathon. It offers educational tours and the opportunity to learn about the rehabilitation process and the centre's conservation efforts.
Sombrero Beach
Sombrero Beach is a beautiful beach located in Marathon. It offers white sandy shores, clear waters, and a variety of amenities, making it a great spot for swimming, sunbathing, and picnicking.
Spirit Snorkeling
Spirit Snorkeling is a snorkelling tour company that offers guided snorkelling excursions in the Florida Keys. Visitors can explore the vibrant coral reefs and interact with marine life such as tropical fish, turtles, and dolphins.
Dolphin Research Center
The Dolphin Research Center is a non-profit facility dedicated to the research and rehabilitation of dolphins. Visitors can interact with the dolphins, participate in educational programmes, and learn about dolphin conservation.
Crane Point Museum & Nature Center
This museum and nature centre showcases the natural and cultural history of the Florida Keys. It features exhibits on archaeology, history, and the environment, as well as nature trails, a butterfly garden, and a collection of historic buildings.
Pigeon Key
Pigeon Key is a small island located near Marathon, accessible by shuttle boat or kayak. It is known for its rich history and natural beauty, offering visitors a chance to explore historic buildings, enjoy scenic views, and learn about the island's role in the construction of the Overseas Railroad.
In addition to these attractions, Marathon offers a variety of other activities and points of interest, including the Seven Mile Bridge, Florida Keys Aquarium Encounters, Marathon Mermaid Charters, and the Old Seven Mile Bridge. Visitors can also enjoy fishing, boating, and exploring the natural beauty of the Florida Keys.
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Frequently asked questions
The Florida Keys Marathon International Airport (IATA: MTH, ICAO: KMTH, FAA LID: MTH) is the city's main airport.
Airlines that have served Marathon at various times include Air Sunshine, Air Miami, North American Airlines, Air South, Airways International, and many more.
Flight prices to Marathon vary depending on the time of year and the day of the week. Generally, January is the best month to purchase tickets, followed by February and August. Tuesdays, Wednesdays, and Saturdays are the cheapest days to book flights, and Mondays are the cheapest day to fly.











































