Cheap Flights To Marathon (MTH)

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Cheap Flights to Marathon from $86 One Way, $172 Round Trip

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

Wed, Jan 27 - Sat, Feb 6
ORD
O'Hare Intl.
MIA
Miami Intl.
$172 Roundtrip, found 3 hours ago
$172
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Wed, Jan 27 from O'Hare Intl. to Miami Intl., returning Sat, Feb 6, priced at $172 found 3 hours ago
Thu, Jan 21 - Sat, Jan 23
ORD
O'Hare Intl.
MIA
Miami Intl.
$175 Roundtrip, found 4 days ago
$175
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Jan 21 from O'Hare Intl. to Miami Intl., returning Sat, Jan 23, priced at $175 found 4 days ago
Wed, Jan 6 - Wed, Jan 13
ORD
O'Hare Intl.
MIA
Miami Intl.
$181 Roundtrip, found 6 days ago
$181
Roundtrip
found 6 days ago
Select United flight, departing Wed, Jan 6 from O'Hare Intl. to Miami Intl., returning Wed, Jan 13, priced at $181 found 6 days ago
Tue, Feb 23 - Fri, Feb 26
EWR
Newark Liberty Intl. Airport
MIA
Miami Intl.
$197 Roundtrip, found 18 hours ago
$197
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Tue, Feb 23 from Newark Liberty Intl. Airport to Miami Intl., returning Fri, Feb 26, priced at $197 found 18 hours ago
Sun, Jan 17 - Fri, Jan 29
EWR
Newark Liberty Intl. Airport
MIA
Miami Intl.
$209 Roundtrip, found 1 hour ago
$209
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sun, Jan 17 from Newark Liberty Intl. Airport to Miami Intl., returning Fri, Jan 29, priced at $209 found 1 hour ago
Wed, Jan 27 - Sat, Feb 6
ORD
O'Hare Intl.
MIA
Miami Intl.
$217 Roundtrip, found 3 hours ago
$217
Roundtrip
found 3 hours ago
Select Delta flight, departing Wed, Jan 27 from O'Hare Intl. to Miami Intl., returning Sat, Feb 6, priced at $217 found 3 hours ago
Mon, Mar 1 - Wed, Mar 3
SFO
San Francisco Intl.
MIA
Miami Intl.
$257 Roundtrip, found 1 day ago
$257
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Mar 1 from San Francisco Intl. to Miami Intl., returning Wed, Mar 3, priced at $257 found 1 day ago
Wed, Dec 16 - Tue, Dec 22
ORD
O'Hare Intl.
AVT
Aventura Brightline Train Station
$317 Roundtrip, found 4 days ago
$317
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Wed, Dec 16 from O'Hare Intl. to Aventura Brightline Train Station, returning Tue, Dec 22, priced at $317 found 4 days ago
Wed, Dec 16 - Tue, Dec 22
ORD
O'Hare Intl.
EKW
Miami Central Brightline Train Station
$317 Roundtrip, found 4 days ago
$317
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Wed, Dec 16 from O'Hare Intl. to Miami Central Brightline Train Station, returning Tue, Dec 22, priced at $317 found 4 days ago
Sat, Dec 5 - Wed, Dec 9
SFO
San Francisco Intl.
MIA
Miami Intl.
$351 Roundtrip, just found
$351
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Dec 5 from San Francisco Intl. to Miami Intl., returning Wed, Dec 9, priced at $351 just found

Marathon Flight Information

Traveling To
Marathon
Destination Airport IATA Code
MIA
Number of Airlines Serving
Airlines
Frontier Airlines, United, Delta, American Airlines, JetBlue Airways, Alaska Airlines
Flight Price
$172
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.
Avi Lux Stay
4.5-star property

Avi Lux Stay

Dec 16 - Dec 19

3 night stay

Boston (BOS) to Miami (MIA)

Delta • Non-stop roundtrip • Coach
Price was $1,183, price is now $620 per person
$620
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

Dec 17 - Dec 23

6 night stay

Boston (BOS) to Miami (MIA)

Allegiant Air • Coach

Miami (MIA) to Boston (BOS)

Frontier Airlines • Coach
Price was $29,138, price is now $14,242 per person
$14,242
per person
found 1 day ago
1 Hotel South Beach
5.0-star property

1 Hotel South Beach

Dec 17 - Dec 23

6 night stay

Boston (BOS) to Miami (MIA)

Allegiant Air • Coach

Miami (MIA) to Boston (BOS)

Frontier Airlines • Coach
Price was $4,428, price is now $2,570 per person
$2,570
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

8.6/10 Excellent! (1,002 reviews)

Dec 11 - Dec 19

8 night stay

Boston (BOS) to Miami (MIA)

Frontier Airlines • Non-stop roundtrip • PremiumEconomy
Price was $1,638, price is now $1,081 per person
$1,081
per person
found 1 day ago
I loved that it was an unique property & easily accessible to everything.

Reviewed on Nov 5, 2026

Perroquet Hotel Fort Lauderdale Beach
4.0-star property

Perroquet Hotel Fort Lauderdale Beach

8.8/10 Excellent! (1,004 reviews)

Dec 29 - Jan 3

5 night stay

Boston (BOS) to Miami (MIA)

Frontier Airlines • Non-stop roundtrip • PremiumEconomy
Price was $1,813, price is now $1,262 per person
$1,262
per person
found 10 hours ago
Self checking was great!

Reviewed on Nov 6, 2026

1 Hotel South Beach
5.0-star property

1 Hotel South Beach

9.4/10 Exceptional! (1,682 reviews)

Dec 11 - Dec 13

2 night stay

Newark Liberty Intl. Airport (EWR) to Miami (MIA)

Frontier Airlines • Non-stop roundtrip • PremiumEconomy
Save 100% on your flight
Price was $6,675, price is now $4,291 per person
$4,291
per person
found 10 hours ago
Wonderful staff, clean room, great amenities

Reviewed on Nov 9, 2026

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See all available trips from Boston to Marathon
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Marathon first class flight packages

Price found within the past 48 hours. Click for updated prices.
CH Luxury Condos & Studios On The Beach
3.5-star property

CH Luxury Condos & Studios On The Beach

8.6/10 Excellent! (153 reviews)

Dec 23 - Dec 29

6 night stay

Chicago (ORD) to Miami (MIA)

Frontier Airlines • FirstClass

Miami (MIA) to Chicago (ORD)

Delta • FirstClass
Price was $2,619, price is now $1,547 per person
$1,547
per person
found 10 hours ago
The room is spacious, clean, and well equipped. We loved the kitchen, balcony, and the bed- it was firm and comfortable. The easy walk out the beach and beautiful rooftop pool make it worth every penny!

Reviewed on Nov 8, 2026

W Fort Lauderdale Residences
3.5-star property

W Fort Lauderdale Residences

6/10 (2 reviews)

Dec 23 - Dec 29

6 night stay

Chicago (ORD) to Miami (MIA)

Frontier Airlines • FirstClass

Miami (MIA) to Chicago (ORD)

Delta • FirstClass
Price was $4,307, price is now $2,255 per person
$2,255
per person
found 10 hours ago
we had a power outage for 24 hours almost ; no. communication ,no compensation ; very upsetting Kept on asking for late checkout ; never. an answer

Reviewed on Jan 12, 2024

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)

Dec 12 - Dec 16

4 night stay

Newark Liberty Intl. Airport (EWR) to Miami (MIA)

United • FirstClass

Miami (MIA) to Newark Liberty Intl. Airport (EWR)

Frontier Airlines • FirstClass
Price was $19,342, price is now $10,890 per person
$10,890
per person
found 5 hours ago
Horrible checkin / checkout... Would never stay there again...Double charged me entire stay and still fighting to get someone to refund 2nd one that is so clearly a duplicate for same stay....

Reviewed on Jun 22, 2016

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See all available trips from Chicago to Marathon
View all trips

Marathon

Save more on flights to Marathon while making top-quality travel arrangements. At Orbitz we provide access to low cost flights, hotel lodgings and other discounts, along with superior customer service and an unbeatable satisfaction guarantee.

Compare And Book Discount Flights to Marathon

Now it is easier than ever to find a discount Marathon flight. Orbitz users can compare airfares for both international and domestic flights and can quickly determine the best hotels and car rental companies to use. You may also check out hotel and other reviews along with a number of travel tips, making your visit to an unfamiliar destination enjoyable and hassle-free.

Use Your Mobile Phone To Secure A Low Cost Flight To Marathon

We now offer free apps for the most commonly used mobile devices. You can use your mobile phone to share relevant information pertaining to your trips, view images of local lodgings and take advantage of hotel and car rental discounts that may be available only to mobile device users.

Boost Your Frequent Flyer Rewards

You even retain your ability to earn frequent flier points and rewards when purchasing your tickets with Orbitz for Marathon flights. Enter your frequent flyer information into your Orbitz profile to start earning rewards.

You will find that Orbitz is a very low cost, yet very effective travel planner. Free updates via your mobile phone device will help to keep you and all relevant parties informed of important flight updates. With access to unbeatable sales on all travel essentials, Orbitz makes booking an affordable flight to Marathon a breeze.

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 $172 and $351 for a return fare to Marathon. One-way fares originating from Chicago (ORD) dropped to just $86 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.