Cheap Flights To Marathon (MTH)

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Cheap Flights to Marathon from $40 One Way, $79 Round Trip

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

Mon, Jun 30 - Fri, Jul 4
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$79 Roundtrip, found 1 hour ago
$79
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Mon, Jun 30 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Fri, Jul 4, priced at $79 found 1 hour ago
Tue, Jul 8 - Wed, Jul 9
EWR
Newark Liberty Intl. Airport
MIA
Miami Intl.
$87 Roundtrip, found 1 hour ago
$87
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Tue, Jul 8 from Newark Liberty Intl. Airport to Miami Intl., returning Wed, Jul 9, priced at $87 found 1 hour ago
Mon, Jun 23 - Fri, Jul 4
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$88 Roundtrip, found 12 hours ago
$88
Roundtrip
found 12 hours ago
Select Spirit Airlines flight, departing Mon, Jun 23 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Fri, Jul 4, priced at $88 found 12 hours ago
Thu, Jun 26 - Thu, Jul 3
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$90 Roundtrip, just found
$90
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, Jun 26 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Thu, Jul 3, priced at $90 just found
Mon, Aug 25 - Wed, Aug 27
LGA
LaGuardia
MIA
Miami Intl.
$91 Roundtrip, just found
$91
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Aug 25 from LaGuardia to Miami Intl., returning Wed, Aug 27, priced at $91 just found
Mon, Jun 23 - Thu, Jun 26
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$93 Roundtrip, found 1 hour ago
$93
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Mon, Jun 23 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Thu, Jun 26, priced at $93 found 1 hour ago
Wed, Sep 17 - Sat, Sep 20
LGA
LaGuardia
MIA
Miami Intl.
$96 Roundtrip, just found
$96
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Sep 17 from LaGuardia to Miami Intl., returning Sat, Sep 20, priced at $96 just found
Fri, Sep 26 - Mon, Sep 29
LGA
LaGuardia
MIA
Miami Intl.
$101 Roundtrip, just found
$101
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Sep 26 from LaGuardia to Miami Intl., returning Mon, Sep 29, priced at $101 just found
Tue, Jul 8 - Sat, Jul 12
EWR
Newark Liberty Intl. Airport
MIA
Miami Intl.
$103 Roundtrip, just found
$103
Roundtrip
just found
Select Spirit Airlines flight, departing Tue, Jul 8 from Newark Liberty Intl. Airport to Miami Intl., returning Sat, Jul 12, priced at $103 just found
Wed, Jul 2 - Wed, Jul 9
EWR
Newark Liberty Intl. Airport
MIA
Miami Intl.
$103 Roundtrip, just found
$103
Roundtrip
just found
Select Spirit Airlines flight, departing Wed, Jul 2 from Newark Liberty Intl. Airport to Miami Intl., returning Wed, Jul 9, priced at $103 just found

Marathon Flight Information

Traveling To
Marathon
Destination Airport IATA Code
MIA
Number of Airlines Serving
Airlines
Spirit Airlines, Frontier Airlines, American Airlines
Flight Price
$79
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.
May-Dee Suites
2.5-star property

May-Dee Suites

Jul 18 - Jul 24

6 night stay

Atlanta (ATL) to Miami (MIA)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
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

Jul 17 - Jul 20

3 night stay

Atlanta (ATL) to Miami (MIA)

Frontier Airlines • Roundtrip • Coach
per person
found 1 day ago
Soleado Hotel
3.0-star property

Soleado Hotel

Jul 18 - Jul 24

6 night stay

Atlanta (ATL) to Miami (MIA)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
per person
found 1 day ago
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See all available trips from Atlanta to Marathon
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Marathon premium economy flight packages

Price found within the past 48 hours. Click for updated prices.
Trump International Beach Resort
4.5-star property

Trump International Beach Resort

8.2/10 Very Good! (4,142 reviews)

Aug 5 - Aug 9

4 night stay

Atlanta (ATL) to Miami (MIA)

Delta • Roundtrip • PremiumEconomy
per person
found 10 hours ago
Great location and service

Reviewed on Jun 11, 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)

Aug 6 - Aug 9

3 night stay

Los Angeles (LAX) to Miami (MIA)

Delta • Roundtrip • PremiumEconomy
per person
found 1 day ago
Eden Roc Miami Beach
4.5-star property

Eden Roc Miami Beach

8.4/10 Very Good! (2,618 reviews)

Aug 5 - Aug 9

4 night stay

Atlanta (ATL) to Miami (MIA)

Delta • Roundtrip • PremiumEconomy
Save 100% on your flight
per person
found 10 hours ago
Location and the beach

Reviewed on Jun 11, 2025

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

Marathon first class flight packages

Price found within the past 48 hours. Click for updated prices.
The Shelborne By Proper
4.0-star property

The Shelborne By Proper

10/10 Exceptional! (3 reviews)

Jul 20 - Jul 23

3 night stay

New York (JFK) to Miami (MIA)

Delta • Roundtrip • FirstClass
per person
found 22 hours ago
Kimpton EPIC Hotel by IHG
5.0-star property

Kimpton EPIC Hotel by IHG

8.8/10 Excellent! (1,842 reviews)

Jul 24 - Jul 28

4 night stay

New York (JFK) to Miami (MIA)

Delta • Roundtrip • FirstClass
per person
found 17 hours ago
Great place… they handle everything and everyone with good care and service

Reviewed on May 19, 2025

Monte Carlo by Miami Vacations
4.0-star property

Monte Carlo by Miami Vacations

8.8/10 Excellent! (583 reviews)

Jul 24 - Jul 28

4 night stay

New York (JFK) to Miami (MIA)

Delta • Roundtrip • FirstClass
per person
found 17 hours ago
Very nice people let me check in early

Reviewed on May 9, 2021

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See all available trips from New York to Marathon
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Marathon

Get the absolute lowest prices on flights to Marathon by shopping with Orbitz. Orbitz is the most efficient travel planner around, allowing you to search, compare and book discount domestic and international flights fast. With cutting-edge mobile tools and access to frequent flier rewards programs, we have everything you need for both your routine and holiday excursions.

Book Your Flight To Marathon Using Your Mobile Device

New mobile app tools enable those with hand-held devices to scout out the best bargains and to secure tickets from any location. If you have an iPhone, iPad or Android device, you may take advantage of special discounts, only available to mobile device customers, when you book hotel rooms or car rentals on the same day as booking Marathon flights.

Avoid Check-In Hassles When Traveling On Flights to Marathon

Orbitz also provides an array of resources that can help you eliminate most check-in hassles. Detailed baggage information is continually available for Marathon flights. Mobile apps can also be used to share travel itineraries with family members or business associates.

Keeping Everyone Up To Date

When you download the free Orbitz mobile phone app, you can get regular and free flight updates. These will keep you informed of important scheduling changes. Updates can even be sent to several contacts, helping to keep everyone current on anticipated arrival times and all other relevant flight details.

Orbitz makes traveling on a budget very easy to do. We provide everything you need to plan your ideal trip from start to finish. Getting there and back again is a snap when you book your Marathon flight using 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 $79 and $103 for a return fare to Marathon. One-way fares originating from Atlanta (ATL) dropped to just $40 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.

Marathon Flights

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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.