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Marathon

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Marathon Flights as Low as $66

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

Frontier Airlines
Tue, Nov 3 - Thu, Nov 5
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$66 Roundtrip, found 10 hours ago
$66
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Tue, Nov 3 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Thu, Nov 5, priced at $66 found 10 hours ago
Frontier Airlines
Thu, Nov 26 - Mon, Dec 14
DEN
Denver Intl.
MIA
Miami Intl.
$138 Roundtrip, found 6 days ago
$138
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Nov 26 from Denver Intl. to Miami Intl., returning Mon, Dec 14, priced at $138 found 6 days ago
Delta
Tue, Nov 17 - Thu, Dec 3
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$159 Roundtrip, found 19 hours ago
$159
Roundtrip
found 19 hours ago
Select Delta flight, departing Tue, Nov 17 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Thu, Dec 3, priced at $159 found 19 hours ago
American Airlines
Fri, Feb 5 - Tue, Feb 9
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$159 Roundtrip, found 9 hours ago
$159
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Fri, Feb 5 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Tue, Feb 9, priced at $159 found 9 hours ago
Southwest Airlines
Mon, Nov 9 - Thu, Nov 12
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$176 Roundtrip, found 5 hours ago
$176
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Mon, Nov 9 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Thu, Nov 12, priced at $176 found 5 hours ago
United
Sat, Dec 5 - Tue, Dec 8
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$227 Roundtrip, found 19 hours ago
$227
Roundtrip
found 19 hours ago
Select United flight, departing Sat, Dec 5 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Tue, Dec 8, priced at $227 found 19 hours ago
JetBlue Airways
Tue, Dec 8 - Wed, Dec 16
ATL
Hartsfield-Jackson Atlanta Intl.
AVT
Aventura Brightline Train Station
$272 Roundtrip, found 2 days ago
$272
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Tue, Dec 8 from Hartsfield-Jackson Atlanta Intl. to Aventura Brightline Train Station, returning Wed, Dec 16, priced at $272 found 2 days ago
JetBlue Airways
Tue, Jan 5 - Fri, Jan 8
ATL
Hartsfield-Jackson Atlanta Intl.
EKW
Miami Central Brightline Train Station
$272 Roundtrip, found 6 days ago
$272
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Tue, Jan 5 from Hartsfield-Jackson Atlanta Intl. to Miami Central Brightline Train Station, returning Fri, Jan 8, priced at $272 found 6 days ago
American Airlines
Tue, Nov 24 - Wed, Dec 2
DEN
Denver Intl.
EYW
Key West Intl.
$331 Roundtrip, found 5 days ago
$331
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Nov 24 from Denver Intl. to Key West Intl., returning Wed, Dec 2, priced at $331 found 5 days ago
Delta
Mon, Feb 15 - Thu, Feb 25
ATL
Hartsfield-Jackson Atlanta Intl.
EYW
Key West Intl.
$369 Roundtrip, found 4 hours ago
$369
Roundtrip
found 4 hours ago
Select Delta flight, departing Mon, Feb 15 from Hartsfield-Jackson Atlanta Intl. to Key West Intl., returning Thu, Feb 25, priced at $369 found 4 hours ago
JetBlue Airways
Sat, Nov 21 - Wed, Dec 2
DEN
Denver Intl.
EYW
Key West Intl.
$492 Roundtrip, found 3 days ago
$492
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Sat, Nov 21 from Denver Intl. to Key West Intl., returning Wed, Dec 2, priced at $492 found 3 days ago
Alaska Airlines
Thu, Nov 26 - Sat, Dec 5
DEN
Denver Intl.
MIA
Miami Intl.
$538 Roundtrip, found 5 days ago
$538
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Thu, Nov 26 from Denver Intl. to Miami Intl., returning Sat, Dec 5, priced at $538 found 5 days ago
Delta
Fri, Nov 13 - Wed, Dec 2
EZE
Ministro Pistarini Intl.
MIA
Miami Intl.
$688 Roundtrip, found 2 days ago
$688
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Nov 13 from Ministro Pistarini Intl. to Miami Intl., returning Wed, Dec 2, priced at $688 found 2 days ago
LATAM Airlines Group
Thu, Nov 12 - Tue, Nov 24
EZE
Ministro Pistarini Intl.
MIA
Miami Intl.
$700 Roundtrip, found 2 days ago
$700
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Thu, Nov 12 from Ministro Pistarini Intl. to Miami Intl., returning Tue, Nov 24, priced at $700 found 2 days ago
avianca
Tue, Oct 20 - Wed, Oct 21
EZE
Ministro Pistarini Intl.
MIA
Miami Intl.
$740 Roundtrip, found 1 day ago
$740
Roundtrip
found 1 day ago
Select avianca flight, departing Tue, Oct 20 from Ministro Pistarini Intl. to Miami Intl., returning Wed, Oct 21, priced at $740 found 1 day ago
Arajet
Tue, Mar 30 - Sun, Apr 18
EZE
Ministro Pistarini Intl.
MIA
Miami Intl.
$762 Roundtrip, found 3 days ago
$762
Roundtrip
found 3 days ago
Select Arajet flight, departing Tue, Mar 30 from Ministro Pistarini Intl. to Miami Intl., returning Sun, Apr 18, priced at $762 found 3 days 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 November, 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 Key West Intl. 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 $66, 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 $66 right now, why wait?

Marathon Flight Information
Destination airport
Miami Intl.
Destination airport IATA code
MIA
Roundtrip price
$66

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 ...
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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! (1,007 reviews)
"Over priced for quality of rooms."

Reviewed on Oct 18, 2026

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Hawks Cay Resort
Kingsail Resort

Kingsail Resort

2 out of 5
7050 Overseas Highway Marathon FL
Stay at this motel in Marathon. Enjoy free WiFi, free parking, and a marina. Our guests praise the helpful staff and the clean rooms in our reviews. Popular ...
8.6/10 Excellent! (1,131 reviews)
"Great kayaking opportunity! Free to use and fun areas to explore. The pool area was clean and the water was perfect! Nice sundeck with view of the marina. Professional and friendly front desk staff. This hotel has a very easy-going vibe."

Reviewed on Oct 19, 2026

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Kingsail 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! (1,232 reviews)
""We had a very pleasant stay at Fairfield Inn & Suites Marathon. The room was clean, comfortable, and well maintained. The staff was friendly and welcoming throughout our stay. Breakfast offered a good variety and was convenient before heading out for the day. The pool area was relaxing, and the ..."

Reviewed on Oct 19, 2026

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Fairfield Inn & Suites by Marriott 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! (1,005 reviews)
"My husband injured his foot 6 days before our vacation snd had to wear a boot and use a knee scooter. I called Tranquility and asked to change to a handicap room. The gal said there was availability but I would need to call Hotel.com as I had reserved thru them. I couldn’t find a phone number so ..."

Reviewed on Oct 18, 2026

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Tranquility Bay Beachfront Hotel and Resort
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! (1,004 reviews)
"Loved it"

Reviewed on Oct 18, 2026

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Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys
Rainbow Bend Resort

Rainbow Bend Resort

2.5 out of 5
57784 Overseas Hwy Marathon FL
Book a stay at this beach hotel in Marathon. Enjoy a private beach, daily housekeeping, and a garden. Our guests praise the breakfast and the helpful staff in ...
8.2/10 Very Good! (1,002 reviews)
"Very nice property, clean neat and comfortable. Room was very nice, clean and well appointed. Convenient to where I wanted to be."

Reviewed on Oct 18, 2026

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Rainbow Bend Resort
Captain Pips Marina & Hideaway

Captain Pips Marina & Hideaway

3 out of 5
1480 Overseas Hwy Marathon FL
Stay at this hotel in Marathon. Enjoy free WiFi, a marina, and free bicycles on site. Our guests praise the helpful staff and the clean rooms in our reviews. ...
9/10 Wonderful! (1,001 reviews)
"Great place to stay. Right on the water, very clean, and a nice location. Check in/check out process was easy. Would highly recommend and will be coming back."

Reviewed on Oct 16, 2026

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Captain Pips Marina & Hideaway
See all 1,554 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.