Cheap Flights To Marathon (MTH)

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Cheap Flights to Marathon from $44 One Way, $72 Round Trip

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

Tue, May 12 - Tue, May 19
EWR
Newark Liberty Intl. Airport
MIA
Miami Intl.
$72 Roundtrip, found 2 days ago
$72
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Tue, May 12 from Newark Liberty Intl. Airport to Miami Intl., returning Tue, May 19, priced at $72 found 2 days ago
Sat, Mar 21 - Sat, Mar 28
JFK
John F. Kennedy Intl.
MIA
Miami Intl.
$80 Roundtrip, found 12 hours ago
$80
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Sat, Mar 21 from John F. Kennedy Intl. to Miami Intl., returning Sat, Mar 28, priced at $80 found 12 hours ago
Tue, Mar 24 - Wed, Apr 1
JFK
John F. Kennedy Intl.
MIA
Miami Intl.
$85 Roundtrip, found 14 hours ago
$85
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Tue, Mar 24 from John F. Kennedy Intl. to Miami Intl., returning Wed, Apr 1, priced at $85 found 14 hours ago
Thu, Mar 19 - Thu, Mar 26
JFK
John F. Kennedy Intl.
MIA
Miami Intl.
$86 Roundtrip, found 17 hours ago
$86
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Thu, Mar 19 from John F. Kennedy Intl. to Miami Intl., returning Thu, Mar 26, priced at $86 found 17 hours ago
Sat, May 16 - Wed, May 20
BOS
Logan Intl.
MIA
Miami Intl.
$94 Roundtrip, found 1 day ago
$94
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Sat, May 16 from Logan Intl. to Miami Intl., returning Wed, May 20, priced at $94 found 1 day ago
Sat, May 9 - Sat, May 16
EWR
Newark Liberty Intl. Airport
MIA
Miami Intl.
$137 Roundtrip, found 3 hours ago
$137
Roundtrip
found 3 hours ago
Select United flight, departing Sat, May 9 from Newark Liberty Intl. Airport to Miami Intl., returning Sat, May 16, priced at $137 found 3 hours ago
Sat, May 9 - Wed, May 13
JFK
John F. Kennedy Intl.
MIA
Miami Intl.
$137 Roundtrip, found 5 hours ago
$137
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Sat, May 9 from John F. Kennedy Intl. to Miami Intl., returning Wed, May 13, priced at $137 found 5 hours ago
Wed, May 6 - Sat, May 9
JFK
John F. Kennedy Intl.
MIA
Miami Intl.
$138 Roundtrip, found 17 hours ago
$138
Roundtrip
found 17 hours ago
Select Delta flight, departing Wed, May 6 from John F. Kennedy Intl. to Miami Intl., returning Sat, May 9, priced at $138 found 17 hours ago
Tue, May 19 - Wed, May 20
BOS
Logan Intl.
MIA
Miami Intl.
$174 Roundtrip, found 4 days ago
$174
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, May 19 from Logan Intl. to Miami Intl., returning Wed, May 20, priced at $174 found 4 days ago
Mon, Apr 20 - Thu, Apr 23
EWR
Newark Liberty Intl. Airport
EYW
Key West Intl.
$220 Roundtrip, found 1 day ago
$220
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Mon, Apr 20 from Newark Liberty Intl. Airport to Key West Intl., returning Thu, Apr 23, priced at $220 found 1 day ago

Marathon Flight Information

Traveling To
Marathon
Destination Airport IATA Code
MIA
Number of Airlines Serving
Airlines
Spirit Airlines, Frontier Airlines, Delta, American Airlines, United, Southwest Airlines
Flight Price
$72
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.
Creekside Inn
2.5-star property

Creekside Inn

Apr 9 - Apr 13

4 night stay

Boston (BOS) to Miami (MIA)

Spirit Airlines • Roundtrip • Coach
Price was $1,240, price is now $575 per person
$575
per person
found 1 day ago
Casablanca Miami Beach
3.0-star property

Casablanca Miami Beach

Apr 11 - Apr 18

7 night stay

Boston (BOS) to Miami (MIA)

Spirit Airlines • Coach

Miami (MIA) to Boston (BOS)

Frontier Airlines • Coach
Price was $1,168, price is now $627 per person
$627
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

Apr 16 - Apr 20

4 night stay

Boston (BOS) to Miami (MIA)

Spirit Airlines • Roundtrip • Coach
Price was $16,731, price is now $9,491 per person
$9,491
per person
found 1 day ago
Don't see what you're looking for?
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Marathon premium economy flight packages

Price found within the past 48 hours. Click for updated prices.
Hyatt Place Miami Airport-East
3.0-star property

Hyatt Place Miami Airport-East

8.2/10 Very Good! (2,247 reviews)

Apr 1 - Apr 4

3 night stay

Boston (BOS) to Miami (MIA)

Delta • Roundtrip • PremiumEconomy
Save 100% on your flight
Price was $874, price is now $563 per person
$563
per person
found 13 hours ago
Room was cleaned and staff were very pleasant.

Reviewed on Feb 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)

Mar 31 - Apr 3

3 night stay

Boston (BOS) to Miami (MIA)

Delta • Roundtrip • PremiumEconomy
Price was $12,238, price is now $6,626 per person
$6,626
per person
found 17 hours ago
1 Hotel South Beach
5.0-star property

1 Hotel South Beach

9.4/10 Exceptional! (1,365 reviews)

Mar 31 - Apr 3

3 night stay

Boston (BOS) to Miami (MIA)

Delta • Roundtrip • PremiumEconomy
Save 100% on your flight
Price was $2,852, price is now $1,925 per person
$1,925
per person
found 17 hours ago
The best hotel I have ever stayed in!

Reviewed on Jan 17, 2026

Don't see what you're looking for?
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Marathon first class flight packages

Price found within the past 48 hours. Click for updated prices.
The Key West Hotel
2.5-star property

The Key West Hotel

9.2/10 Wonderful! (505 reviews)

Apr 18 - Apr 23

5 night stay

Boston (BOS) to Key West (EYW)

American Airlines • Non-stop • FirstClass

Key West (EYW) to Boston (BOS)

United • Non-stop • FirstClass
Price was $3,439, price is now $2,142 per person
$2,142
per person
found 1 day ago
Gorgeous property right on Duval Street but hidden from the noise and bustle. Convenient to everything you want to do and see. Wonderfully helpful and friendly staff.

Reviewed on Jan 5, 2025

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)

Apr 17 - Apr 21

4 night stay

Boston (BOS) to Miami (MIA)

American Airlines • Non-stop • FirstClass

Miami (MIA) to Boston (BOS)

Delta • Non-stop • FirstClass
Price was $16,788, price is now $9,748 per person
$9,748
per person
found 1 day ago
1 Hotel South Beach
5.0-star property

1 Hotel South Beach

9.4/10 Exceptional! (1,365 reviews)

Apr 17 - Apr 21

4 night stay

Boston (BOS) to Miami (MIA)

American Airlines • Non-stop • FirstClass

Miami (MIA) to Boston (BOS)

Delta • Non-stop • FirstClass
Price was $3,932, price is now $2,650 per person
$2,650
per person
found 1 day ago
The best hotel I have ever stayed in!

Reviewed on Jan 17, 2026

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

Marathon

If you are looking for affordable flights to Marathon, look no further. Orbitz offers discounted rates to many destinations.

Bargain flights to Marathon now available

As you review your budget and travel plans, consider the low fares Orbitz offers on Marathon flights. With Orbitz, booking flights to Marathon is easy and the lowest prices are guaranteed.

Easy self-help service offered

Orbitz offers cutting edge mobile tools that allow you to review and make bookings from your Android or iPhone mobile device with a simple application. You can easily and conveniently update your information or book your trip using this service. You are also able to obtain information on affordable hotel packages and receive frequent flight updates. You will receive confirmation of bookings or reservations made using the mobile service on the same day of the request. Change details or receive updates on your Marathon flights by visiting the Orbitz site or mobile application.

Orbitz looks after you

Orbitz ensures that you are kept informed with up-to-date flight information, providing feedback to up to six contact numbers to ensure that everyone receives the feedback. In addition to providing the discounted deals on Marathon flights, Orbitz is also able to structure a package based on your needs for activities, car hire and accommodations.

Traveler profile updates

After booking your Marathon flights, you may access your account profile on the Orbitz site and update your frequent flyer or loyalty membership details. This information will remain on the system and will be available for you to access when you make any future bookings with Orbitz.

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 $72 and $220 for a return fare to Marathon. One-way fares originating from New York (EWR) dropped to just $44 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.