Cheap Flights To Marathon (MTH)

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Cheap Flights to Marathon from $29 One Way, $58 Round Trip

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Tue, Jan 27 - Wed, Feb 4
JFK
John F. Kennedy Intl.
MIA
Miami Intl.
$58 Roundtrip, found 5 hours ago
$58
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Tue, Jan 27 from John F. Kennedy Intl. to Miami Intl., returning Wed, Feb 4, priced at $58 found 5 hours ago
Mon, Feb 2 - Wed, Feb 11
BOS
Logan Intl.
MIA
Miami Intl.
$59 Roundtrip, just found
$59
Roundtrip
just found
Select Spirit Airlines flight, departing Mon, Feb 2 from Logan Intl. to Miami Intl., returning Wed, Feb 11, priced at $59 just found
Tue, Feb 3 - Tue, Feb 10
JFK
John F. Kennedy Intl.
MIA
Miami Intl.
$59 Roundtrip, found 1 hour ago
$59
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Feb 3 from John F. Kennedy Intl. to Miami Intl., returning Tue, Feb 10, priced at $59 found 1 hour ago
Wed, Jan 28 - Fri, Jan 30
JFK
John F. Kennedy Intl.
MIA
Miami Intl.
$60 Roundtrip, found 2 hours ago
$60
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Wed, Jan 28 from John F. Kennedy Intl. to Miami Intl., returning Fri, Jan 30, priced at $60 found 2 hours ago
Mon, Feb 23 - Thu, Feb 26
JFK
John F. Kennedy Intl.
MIA
Miami Intl.
$61 Roundtrip, found 1 hour ago
$61
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Feb 23 from John F. Kennedy Intl. to Miami Intl., returning Thu, Feb 26, priced at $61 found 1 hour ago
Wed, Jan 21 - Sat, Jan 24
JFK
John F. Kennedy Intl.
MIA
Miami Intl.
$62 Roundtrip, found 1 hour ago
$62
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Jan 21 from John F. Kennedy Intl. to Miami Intl., returning Sat, Jan 24, priced at $62 found 1 hour ago
Wed, Feb 18 - Wed, Feb 25
EWR
Newark Liberty Intl. Airport
MIA
Miami Intl.
$74 Roundtrip, found 3 hours ago
$74
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Wed, Feb 18 from Newark Liberty Intl. Airport to Miami Intl., returning Wed, Feb 25, priced at $74 found 3 hours ago
Wed, Feb 18 - Wed, Feb 25
EWR
Newark Liberty Intl. Airport
MIA
Miami Intl.
$137 Roundtrip, found 3 hours ago
$137
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Feb 18 from Newark Liberty Intl. Airport to Miami Intl., returning Wed, Feb 25, priced at $137 found 3 hours ago
Wed, Feb 18 - Wed, Feb 25
EWR
Newark Liberty Intl. Airport
MIA
Miami Intl.
$137 Roundtrip, found 3 hours ago
$137
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Feb 18 from Newark Liberty Intl. Airport to Miami Intl., returning Wed, Feb 25, priced at $137 found 3 hours ago
Mon, Jan 12 - Wed, Jan 21
BOS
Logan Intl.
EYW
Key West Intl.
$142 Roundtrip, found 4 days ago
$142
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Mon, Jan 12 from Logan Intl. to Key West Intl., returning Wed, Jan 21, priced at $142 found 4 days ago

Marathon Flight Information

Traveling To
Marathon
Destination Airport IATA Code
MIA
Number of Airlines Serving
Airlines
Frontier Airlines, Spirit Airlines, United, American Airlines, Delta, JetBlue Airways
Flight Price
$58
Earliest Departing Flight
Latest Departing Flight

Book Your Flight & Hotel Together & Save

Marathon economy flight packages

Price found within the past 48 hours. Click for updated prices.
1818 Meridian House Apartments and Suites by Eskape Collection
3.0-star property

1818 Meridian House Apartments and Suites by Eskape Collection

Feb 21 - Feb 28

7 night stay

Boston (BOS) to Miami (MIA)

Spirit Airlines • Roundtrip • Coach
Price was $1,152, price is now $536 per person
$536
per person
found 1 day ago
Creekside Inn
2.5-star property

Creekside Inn

Feb 8 - Feb 14

6 night stay

Boston (BOS) to Miami (MIA)

Spirit Airlines • Roundtrip • Coach
Price was $1,765, price is now $663 per person
$663
per person
found 1 day ago
The Retreat Collection at 1 Hotel & Homes South Beach
5.0-star property

The Retreat Collection at 1 Hotel & Homes South Beach

Feb 23 - Feb 27

4 night stay

Boston (BOS) to Miami (MIA)

Spirit Airlines • Roundtrip • Coach
Price was $15,308, price is now $6,963 per person
$6,963
per person
found 1 day ago
Don't see what you're looking for?
See all available trips from Boston to Marathon
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Marathon premium economy flight packages

Price found within the past 48 hours. Click for updated prices.
Cavalier Hotel South Beach
3.5-star property

Cavalier Hotel South Beach

8.4/10 Very Good! (1,001 reviews)

Feb 14 - Feb 17

3 night stay

New York (NYC) to Miami (MIA)

United • PremiumEconomy

Miami (MIA) to New York (NYC)

Spirit Airlines • PremiumEconomy
Save 100% on your flight
Price was $2,081, price is now $1,141 per person
$1,141
per person
just found
Staff was great, elevator is tired, but I loved the proximity to everything

Reviewed on Jan 3, 2026

The Retreat Collection at 1 Hotel & Homes South Beach
5.0-star property

The Retreat Collection at 1 Hotel & Homes South Beach

8/10 Very Good! (1 review)

Feb 15 - Feb 20

5 night stay

New York (NYC) to Miami (MIA)

United • PremiumEconomy

Miami (MIA) to New York (NYC)

Spirit Airlines • PremiumEconomy
Price was $20,268, price is now $9,369 per person
$9,369
per person
found 17 hours ago
The Shelborne By Proper, a Member of Design Hotels
4.0-star property

The Shelborne By Proper, a Member of Design Hotels

9.4/10 Exceptional! (56 reviews)

Feb 14 - Feb 17

3 night stay

New York (NYC) to Miami (MIA)

United • PremiumEconomy

Miami (MIA) to New York (NYC)

Spirit Airlines • PremiumEconomy
Save 100% on your flight
Price was $2,662, price is now $1,397 per person
$1,397
per person
just found
Don't see what you're looking for?
See all available trips from New York to Marathon
View all trips

Marathon first class flight packages

Price found within the past 48 hours. Click for updated prices.
The Penguin Hotel
3.5-star property

The Penguin Hotel

8.2/10 Very Good! (1,491 reviews)

Feb 19 - Feb 24

5 night stay

Boston (BOS) to Miami (MIA)

Delta • Non-stop roundtrip • FirstClass
Price was $2,034, price is now $1,320 per person
$1,320
per person
found 23 hours ago
Great place and great time

Reviewed on Nov 10, 2025

1 Hotel South Beach
5.0-star property

1 Hotel South Beach

9.4/10 Exceptional! (1,365 reviews)

Feb 8 - Feb 11

3 night stay

Boston (BOS) to Miami (MIA)

Delta • Roundtrip • FirstClass
Save 100% on your flight
Price was $3,598, price is now $2,148 per person
$2,148
per person
found 21 hours ago
This property is amazing. Food was great, staff was friendly and welcoming. We enjoyed our stay.

Reviewed on Jun 10, 2025

Cavalier Hotel South Beach
3.5-star property

Cavalier Hotel South Beach

8.4/10 Very Good! (1,001 reviews)

Feb 19 - Feb 24

5 night stay

Boston (BOS) to Miami (MIA)

Delta • Non-stop roundtrip • FirstClass
Save 100% on your flight
Price was $2,372, price is now $1,431 per person
$1,431
per person
found 23 hours ago
Staff was great, elevator is tired, but I loved the proximity to everything

Reviewed on Jan 3, 2026

Don't see what you're looking for?
See all available trips from Boston to Marathon
View all trips

Marathon

Reach your destination without breaking your budget by booking your flights to Marathon using Orbitz. We offer access to all of the best discounts on airfare, travel accommodations and even car rentals. Planning your trip and saving money are easier with Orbitz.

Get Discount Rates On Your Marathon Flight

Whether planning ahead or deciding to book your trip at the last minute, Orbitz will provide the lowest rates on Marathon flights. Using our free mobile phone apps will make you privy to a number of discounts that are unique to mobile phone users. These are perfect for harried travelers who want to find deals that they can qualify for on the same day.

Make Orbitz Your Official Travel Planner

Orbitz can be used for much more than comparing and booking a discount flight to Marathon. We also offer a variety of resources for securing the ideal travel accommodations while staying on budget. Travel tips, hotel reviews, customized suggestions and even detailed images can all be accessed through your mobile phone.

Build A Comprehensive Travel Itinerary

In addition to booking a low cost flight to Marathon, you can learn about the best places to visit, the best hotels to stay in and the preferred times for traveling. When you use Orbitz mobile phone apps you can also share your travel itineraries with friends and family members, all with just a few quick taps.

Using Orbitz to secure your Marathon flights can save you money and time. Perfect for both the early travel planner and the last minute journey: Orbitz offers phenomenal customer service and unbeatable convenience.

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Frequently asked questions

What is the best airport to fly to in Marathon?
Marathon, FL (MTH-Florida Keys Marathon). It's the city's main airport and is located approximately 2 miles east of the downtown area. You'll be unpacking your belongings and discovering Marathon not long after landing.
How much is a flight to Marathon?
This past week, prices hovered between $58 and $142 for a return fare to Marathon. One-way fares originating from New York (JFK) dropped to just $29 over the same period.
How to book the cheapest flight to Marathon?
With some of the most competitive flight deals around, a bargain is always waiting for you with Orbitz. The following pointers will help you land cheap flights to Marathon — and leave you with more cash to play with:

  • Depending on where you're taking off from, click on the 'Nearby airports' function (located under the departure and arrival form fields). In some instances, other departure points work out cheaper.
  • If your travel plans aren't cast in stone, click on the 'Show flexible dates' option to compare flight deals for alternative departure dates. If you find a suitable cheaper fare, go with it.
  • You can also use the 'Show options' function to filter results for your preferred carrier, seating class, nonstop flights and refundable flights. Under 'Sort & Filter' to the left, you can even choose the time of day you'd prefer to fly.
  • Reserve your airfare as soon as you've sorted your travel dates. While it does happen occasionally, flights rarely get more affordable as your departure date gets closer.
  • Bundle your flights, hotels and car rental into a cost-effective package deal. Save your dollars for things you're really excited about, like discovering every corner of Marathon.
  • Flying during the busy season often means higher airfares. Try to travel outside of popular dates, such as Christmas, New Year's Eve and Easter.

What is the best time to book a flight to Marathon?
Generally speaking, January is the best month to purchase your plane ticket. This is followed by February and August. Bear this in mind while you hunt for a cheap flight to Marathon.
What day of the week is the cheapest to book a flight to Marathon?
When it comes to cheap airfares to Marathon, the best days to book are generally Tuesdays, Wednesdays and Saturdays. A fabulous flight deal is just clicks away with Orbitz.
What is the cheapest day of the week to fly to Marathon?
According to Orbitz data from 2020, you should start your vacation on a Monday to score cheap flights to Marathon. Next most affordable day? Tuesday. Saturday will set you back the most. So, consider leaving early in the week if you'd like to book a wallet-friendly fare and stretch your travel budget.
What is the cheapest month to fly to Marathon?
You can jet for less in August. This is generally an excellent month to take off if you're looking for cheap flights to Marathon, according to Orbitz data. The costliest time to take off is June, so avoid this month if you can.
Which airlines allow free cancellation?
Plans change, and your ticket should be able to as well. That's why Orbitz makes it easy to search for airlines with free cancellation and no change fees. Simply enter your departure and arrival points and then select "Filter by flexible change policies." How's that for easy?
What do I need for the flight to Marathon?
There's nothing like jetting off on vacation, but it pays to be prepared. This list of handy tips will help get your journey off to a smooth start:

  • Before you step on board the plane, you'll need to show some form of government-issued ID, like your passport. You'll also need your boarding pass. If you're traveling with the kids, check with your airline about which documents they may need.
  • To keep you occupied on your short trip to Marathon, download some new songs or stock up the audiobook library on your smartphone. Food can also be a welcome distraction while in the air, so take some light snacks.
  • No matter what the temperature is doing outside, plane cabins can get chilly. Take a hoodie on board to keep yourself warm and toasty.

How do I get cheap first-class/business deals to Marathon?
Smart travelers have honed the art of finding business or first-class airfares to Marathon that don't cost a packet. Take a leaf out of their book with these helpful hints:

  • Being flexible isn't just useful in the gym. Leave some room to move around your travel dates so you can pick up more affordable airfares when a big sale comes along.
  • Plenty of budget carriers offer comfortable business-class seating for a reasonable price.
  • Take advantage of your airline's customer loyalty program and use points to upgrade your seat. Alternatively, you can try bidding for an upgrade in online auctions.

What is the best time to go to Marathon?
Marathon is a popular place in January, February and March. If you're contemplating visiting during these months, it would be a good idea to book in advance to ensure you get the most rewarding deals. Curious to know what the summer's like in Marathon? Average daily temperatures generally fluctuate between 80 ºF and 85 ºF. Like most destinations in the Northern Hemisphere, summer begins June 20 here.
Travel tips for Marathon

  • Get into your comfy kicks and explore this bustling city on foot. There are plenty of big-name attractions you have to see, such as Sombrero Beach and The Turtle Hospital.
  • If you're up for a nice little day trip, there are more sights waiting to dazzle you a short commute out of town. Find out why Bahia Honda State Park and Beach and Theater of the Sea are on the to-do lists of most Marathon visitors.
  • When it's time to explore other parts of Monroe County, book a car rental and cruise to Key West. Key Largo is another city of interest with so much to see and do.

More to Explore

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.