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Marathon

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Marathon Flights as Low as $85

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

Frontier Airlines
Tue, Oct 20 - Sun, Oct 25
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$85 Roundtrip, found 2 hours ago
$85
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Tue, Oct 20 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Sun, Oct 25, priced at $85 found 2 hours ago
Frontier Airlines
Sun, Aug 23 - Sun, Sep 6
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$87 Roundtrip, found 12 hours ago
$87
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Sun, Aug 23 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Sun, Sep 6, priced at $87 found 12 hours ago
Delta
Tue, Oct 20 - Sun, Oct 25
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$159 Roundtrip, found 2 hours ago
$159
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Oct 20 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Sun, Oct 25, priced at $159 found 2 hours ago
American Airlines
Sat, Sep 19 - Tue, Sep 22
EWR
Newark Liberty Intl. Airport
MIA
Miami Intl.
$167 Roundtrip, found 4 hours ago
$167
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Sat, Sep 19 from Newark Liberty Intl. Airport to Miami Intl., returning Tue, Sep 22, priced at $167 found 4 hours ago
American Airlines
Tue, Sep 8 - Sat, Sep 26
JFK
John F. Kennedy Intl.
MIA
Miami Intl.
$167 Roundtrip, found 1 day ago
$167
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Sep 8 from John F. Kennedy Intl. to Miami Intl., returning Sat, Sep 26, priced at $167 found 1 day ago
United
Sat, Sep 19 - Tue, Sep 22
EWR
Newark Liberty Intl. Airport
MIA
Miami Intl.
$167 Roundtrip, found 4 hours ago
$167
Roundtrip
found 4 hours ago
Select United flight, departing Sat, Sep 19 from Newark Liberty Intl. Airport to Miami Intl., returning Tue, Sep 22, priced at $167 found 4 hours ago
American Airlines
Fri, Aug 28 - Tue, Sep 1
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$167 Roundtrip, found 14 hours ago
$167
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Fri, Aug 28 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Tue, Sep 1, priced at $167 found 14 hours ago
JetBlue Airways
Mon, Aug 24 - Fri, Aug 28
ATL
Hartsfield-Jackson Atlanta Intl.
EKW
Miami Central Brightline Train Station
$272 Roundtrip, found 2 days ago
$272
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Mon, Aug 24 from Hartsfield-Jackson Atlanta Intl. to Miami Central Brightline Train Station, returning Fri, Aug 28, priced at $272 found 2 days ago
United
Sun, Nov 8 - Wed, Nov 25
EWR
Newark Liberty Intl. Airport
EYW
Key West Intl.
$289 Roundtrip, found 14 hours ago
$289
Roundtrip
found 14 hours ago
Select United flight, departing Sun, Nov 8 from Newark Liberty Intl. Airport to Key West Intl., returning Wed, Nov 25, priced at $289 found 14 hours ago
JetBlue Airways
Fri, Aug 28 - Tue, Sep 1
ATL
Hartsfield-Jackson Atlanta Intl.
AVT
Aventura Brightline Train Station
$293 Roundtrip, found 14 hours ago
$293
Roundtrip
found 14 hours ago
Select JetBlue Airways flight, departing Fri, Aug 28 from Hartsfield-Jackson Atlanta Intl. to Aventura Brightline Train Station, returning Tue, Sep 1, priced at $293 found 14 hours ago
Delta
Sat, Sep 19 - Tue, Sep 29
ATL
Hartsfield-Jackson Atlanta Intl.
EYW
Key West Intl.
$299 Roundtrip, found 14 hours ago
$299
Roundtrip
found 14 hours ago
Select Delta flight, departing Sat, Sep 19 from Hartsfield-Jackson Atlanta Intl. to Key West Intl., returning Tue, Sep 29, priced at $299 found 14 hours ago
American Airlines
Thu, Nov 26 - Tue, Dec 1
JFK
John F. Kennedy Intl.
EYW
Key West Intl.
$329 Roundtrip, found 1 day ago
$329
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Nov 26 from John F. Kennedy Intl. to Key West Intl., returning Tue, Dec 1, priced at $329 found 1 day ago
JetBlue Airways
Mon, Aug 24 - Fri, Aug 28
JFK
John F. Kennedy Intl.
EKW
Miami Central Brightline Train Station
$351 Roundtrip, found 3 days ago
$351
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Mon, Aug 24 from John F. Kennedy Intl. to Miami Central Brightline Train Station, returning Fri, Aug 28, priced at $351 found 3 days ago
JetBlue Airways
Sat, Sep 19 - Tue, Sep 22
EWR
Newark Liberty Intl. Airport
AVT
Aventura Brightline Train Station
$353 Roundtrip, found 4 hours ago
$353
Roundtrip
found 4 hours ago
Select JetBlue Airways flight, departing Sat, Sep 19 from Newark Liberty Intl. Airport to Aventura Brightline Train Station, returning Tue, Sep 22, priced at $353 found 4 hours ago
JetBlue Airways
Sat, Sep 19 - Tue, Sep 22
EWR
Newark Liberty Intl. Airport
EKW
Miami Central Brightline Train Station
$353 Roundtrip, found 4 hours ago
$353
Roundtrip
found 4 hours ago
Select JetBlue Airways flight, departing Sat, Sep 19 from Newark Liberty Intl. Airport to Miami Central Brightline Train Station, returning Tue, Sep 22, priced at $353 found 4 hours ago
JetBlue Airways
Tue, Sep 8 - Sat, Sep 26
JFK
John F. Kennedy Intl.
AVT
Aventura Brightline Train Station
$362 Roundtrip, found 1 day ago
$362
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Tue, Sep 8 from John F. Kennedy Intl. to Aventura Brightline Train Station, returning Sat, Sep 26, priced at $362 found 1 day ago

Cheap Flights to Marathon

Fall in love at first flight with your vacation to Marathon by saving a ton of cash on your last-minute cheap flight. There’s no more scouring the internet for a good deal—book your flight to Marathon on Hotwire, and you’ll be up, up, and on a getaway in no time.

Because once the wheels are down in Marathon, the good times start rolling. So buckle up, you’re in for a fun ride.

Frequently Asked Questions About flights to Marathon

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Marathon with a tiny bag of pretzels in your hand before you can say “tray tables in the upright position”—and for a ticket price that works for your vacay budget.

So all you have to worry about is where you’re headed after the MIA airport.

What is the cheapest month to fly to Marathon?

Airline ticket prices fluctuate all the time, depending on the day of the week or the month of the year. The cheapest round trip flights to Marathon are in October, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Marathon?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 16 to choose from for your flight to Marathon.

What airport is best to fly into Marathon?

When you’re planning your trip to Marathon, convenience is the name of the game. Luckily, Marathon Florida Keys Marathon Airport is nearby so you can deplane and get going on checking off everything on your Marathon must-do list.

How much are flights to Marathon?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Marathon on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $85, you’ll have leftover cash for at least a magazine and a bottle of water at the airport book store.

How to get cheap flights to Marathon?

The trick to saving a stack of cash on your flight to Marathon? Snatch up that Hotwire flight deal when you see a killer rate because it could be gone in a flash. And with flights as low as $85 right now, why wait?

Marathon Flight Information
Destination airport
Miami Intl.
Destination airport IATA code
MIA
Roundtrip price
$85

Last Minute Hotel Deals in Marathon

Isla Bella Beach Resort & Spa

Isla Bella Beach Resort & Spa

5 out of 5
1 Knights Key Boulevard Marathon FL
Book a stay at this luxury hotel in Marathon. Enjoy free WiFi, 5 outdoor pools, and a full-service spa. Our guests praise the pool and the helpful staff in our ...
9.2/10 Wonderful! (1,175 reviews)
"The grounds were lush and serene with 5 beautiful pools, white sand and colorful flowers. The rooms were impeccable with an amazing view from the balcony. 20/10 recommendation!"

Reviewed on Jun 26, 2026

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Isla Bella Beach Resort & Spa
Hawks Cay Resort

Hawks Cay Resort

4 out of 5
61 Hawks Cay Blvd Marathon FL
Book a stay at this luxury hotel in Marathon. Enjoy free WiFi, 3 outdoor pools, and a full-service spa. Our guests praise the pool and the helpful staff in our ...
8.2/10 Very Good! (1,001 reviews)
"The property is good but the rooms need to be upkept better. We rented three rooms and one of them smelled pretty bad like a wet smell the other room drain was not working too good. We found the breakfast extremely bad, expensive and with little offerings. The pool area bar and lobby were nice and ..."

Reviewed on Jun 26, 2026

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Hawks Cay Resort
Fairfield Inn & Suites by Marriott Marathon Florida Keys

Fairfield Inn & Suites by Marriott Marathon Florida Keys

3 out of 5
13201 Overseas Hwy Marathon FL
Book a stay at this business-friendly hotel in Marathon. Enjoy free breakfast, free WiFi, and 2 outdoor pools. Our guests praise the breakfast and the restaurant ...
9.2/10 Wonderful! (1,163 reviews)
"Front desk staff was amazing, the pool was perfect and food so delicious in walking distance"

Reviewed on Jun 26, 2026

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Fairfield Inn & Suites by Marriott Marathon Florida Keys
Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

4 out of 5
1996 Overseas Highway Marathon FL
Book a stay at this spa resort in Marathon. Enjoy free WiFi, 4 outdoor pools, and a full-service spa. Our guests praise the pool and the restaurant in our reviews. ...
8.6/10 Excellent! (1,163 reviews)
"The room and dining were very good. Unfortunately a 20 to 30 people showed up at the pool with a boom box and coolers and were celebrating Fathers Day by eating cake and food in the pool along with the 5 or 6 unsupervised children jumping in and out of the pool. I know never to stay at this resort ..."

Reviewed on Jun 25, 2026

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Faro Blanco Resort Marathon Florida Keys, Curio by Hilton
Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys

Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys

3 out of 5
2146 Overseas Hwy Marathon FL
Book a stay at this beach hotel in Marathon. Enjoy free WiFi, 2 outdoor pools, and a beach locale. Our guests praise the pool and the helpful staff in our reviews. ...
9/10 Wonderful! (1,006 reviews)
"The property was very clean very well located, and the staff was wonderful. My problem is with their description of some of the amenities. In the ad, they mention self parking it doesn’t mention that it’s $20 a day unless you tap on where it says parking also nowhere on the ad does it say that there ..."

Reviewed on Jun 26, 2026

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Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys
Tranquility Bay Beachfront Hotel and Resort

Tranquility Bay Beachfront Hotel and Resort

4 out of 5
2600 Overseas Hwy Marathon FL
Book a stay at this beach hotel in Marathon. Enjoy free WiFi, free parking, and 3 outdoor pools. Our guests praise the pool and the helpful staff in our reviews. ...
8.8/10 Excellent! (1,002 reviews)
"Beautiful, peaceful place to enjoy with a family. Beautiful back porches, landscaping and a great Cuban coffee shop across the street :)"

Reviewed on Jun 23, 2026

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Tranquility Bay Beachfront Hotel and Resort
Banana Bay Resort & Marina

Banana Bay Resort & Marina

3 out of 5
4590 Overseas Highway Marathon FL
Book a stay at this golf hotel in Marathon. Enjoy free breakfast, a marina, and free bicycles on site. Our guests praise the pool and the helpful staff in our ...
7.6/10 Good! (1,001 reviews)
"It’s not a resort it’s more an overpriced hotel. When we booked it we were told it would be an additional $118 when we arrived, upon arrival we were charged $226. There was no poolside bar they have a” bar “ by the marina that’s supposed to be open from 5-11 it was only open for about 3 hours one ..."

Reviewed on Jun 27, 2026

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Banana Bay Resort & Marina
Coconut Cay Resort & Marina

Coconut Cay Resort & Marina

3 out of 5
7196 Overseas Highway Marathon FL
Stay at this hotel in Marathon. Enjoy free WiFi, free parking, and a marina. Our guests praise the helpful staff and the clean rooms in our reviews. Popular ...
8.4/10 Very Good! (1,031 reviews)
"Bastante tranquilo 👍"

Reviewed on Jun 26, 2026

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Coconut Cay Resort & Marina
See all 1,575 properties in Marathon
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.