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Marathon

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Marathon Flights as Low as $56

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

Frontier Airlines
Sun, Apr 19 - Tue, Apr 21
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$56 Roundtrip, found 2 hours ago
$56
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sun, Apr 19 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Tue, Apr 21, priced at $56 found 2 hours ago
Spirit Airlines
Tue, Apr 21 - Sat, Apr 25
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$59 Roundtrip, found 3 hours ago
$59
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Tue, Apr 21 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Sat, Apr 25, priced at $59 found 3 hours ago
Frontier Airlines
Sun, Apr 12 - Wed, Apr 22
LGA
LaGuardia
MIA
Miami Intl.
$78 Roundtrip, found 14 hours ago
$78
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Sun, Apr 12 from LaGuardia to Miami Intl., returning Wed, Apr 22, priced at $78 found 14 hours ago
Spirit Airlines
Mon, Apr 20 - Wed, Apr 22
EWR
Newark Liberty Intl. Airport
MIA
Miami Intl.
$96 Roundtrip, found 11 hours ago
$96
Roundtrip
found 11 hours ago
Select Spirit Airlines flight, departing Mon, Apr 20 from Newark Liberty Intl. Airport to Miami Intl., returning Wed, Apr 22, priced at $96 found 11 hours ago
Delta
Thu, Jun 4 - Mon, Jun 8
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$139 Roundtrip, found 5 hours ago
$139
Roundtrip
found 5 hours ago
Select Delta flight, departing Thu, Jun 4 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Mon, Jun 8, priced at $139 found 5 hours ago
American Airlines
Tue, Jun 30 - Thu, Jul 9
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$139 Roundtrip, found 13 hours ago
$139
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Tue, Jun 30 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Thu, Jul 9, priced at $139 found 13 hours ago
United
Wed, Apr 15 - Thu, Apr 23
EWR
Newark Liberty Intl. Airport
MIA
Miami Intl.
$184 Roundtrip, found 23 hours ago
$184
Roundtrip
found 23 hours ago
Select United flight, departing Wed, Apr 15 from Newark Liberty Intl. Airport to Miami Intl., returning Thu, Apr 23, priced at $184 found 23 hours ago
Spirit Airlines
Mon, Apr 20 - Fri, Apr 24
ATL
Hartsfield-Jackson Atlanta Intl.
EYW
Key West Intl.
$256 Roundtrip, found 11 hours ago
$256
Roundtrip
found 11 hours ago
Select Spirit Airlines flight, departing Mon, Apr 20 from Hartsfield-Jackson Atlanta Intl. to Key West Intl., returning Fri, Apr 24, priced at $256 found 11 hours ago
JetBlue Airways
Wed, Apr 29 - Thu, May 14
ATL
Hartsfield-Jackson Atlanta Intl.
EKW
Miami Central Brightline Train Station
$270 Roundtrip, found 3 days ago
$270
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Wed, Apr 29 from Hartsfield-Jackson Atlanta Intl. to Miami Central Brightline Train Station, returning Thu, May 14, priced at $270 found 3 days ago
JetBlue Airways
Sat, Apr 18 - Wed, Apr 22
ATL
Hartsfield-Jackson Atlanta Intl.
AVT
Aventura Brightline Train Station
$279 Roundtrip, found 3 days ago
$279
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Sat, Apr 18 from Hartsfield-Jackson Atlanta Intl. to Aventura Brightline Train Station, returning Wed, Apr 22, priced at $279 found 3 days ago
American Airlines
Sun, May 10 - Thu, May 28
EWR
Newark Liberty Intl. Airport
EYW
Key West Intl.
$309 Roundtrip, found 15 hours ago
$309
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Sun, May 10 from Newark Liberty Intl. Airport to Key West Intl., returning Thu, May 28, priced at $309 found 15 hours ago
JetBlue Airways
Fri, May 29 - Tue, Jun 16
LGA
LaGuardia
EKW
Miami Central Brightline Train Station
$346 Roundtrip, found 6 days ago
$346
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Fri, May 29 from LaGuardia to Miami Central Brightline Train Station, returning Tue, Jun 16, priced at $346 found 6 days ago
American Airlines
Sat, May 16 - Tue, May 19
LGA
LaGuardia
EYW
Key West Intl.
$352 Roundtrip, found 3 days ago
$352
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, May 16 from LaGuardia to Key West Intl., returning Tue, May 19, priced at $352 found 3 days ago
JetBlue Airways
Sun, Apr 12 - Wed, Apr 22
LGA
LaGuardia
AVT
Aventura Brightline Train Station
$361 Roundtrip, found 5 hours ago
$361
Roundtrip
found 5 hours ago
Select JetBlue Airways flight, departing Sun, Apr 12 from LaGuardia to Aventura Brightline Train Station, returning Wed, Apr 22, priced at $361 found 5 hours ago
JetBlue Airways
Tue, Apr 28 - Fri, May 1
EWR
Newark Liberty Intl. Airport
EKW
Miami Central Brightline Train Station
$371 Roundtrip, found 5 hours ago
$371
Roundtrip
found 5 hours ago
Select JetBlue Airways flight, departing Tue, Apr 28 from Newark Liberty Intl. Airport to Miami Central Brightline Train Station, returning Fri, May 1, priced at $371 found 5 hours ago
JetBlue Airways
Tue, Apr 28 - Fri, May 1
EWR
Newark Liberty Intl. Airport
AVT
Aventura Brightline Train Station
$388 Roundtrip, found 5 hours ago
$388
Roundtrip
found 5 hours ago
Select JetBlue Airways flight, departing Tue, Apr 28 from Newark Liberty Intl. Airport to Aventura Brightline Train Station, returning Fri, May 1, priced at $388 found 5 hours 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 April, 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 $56, 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 $56 right now, why wait?

Marathon Flight Information
Destination airport
Miami Intl.
Destination airport IATA code
MIA
Roundtrip price
$56

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! (1,111 reviews)
Beautiful property and staff that goes out of their way to provide an amazing experience. Don’t expect a swimming beach, but plenty of room for chairs by the water or the multiple pools. Shanda at the sushi bar went above and beyond to accommodate our group and the sushi was delicious. Mahina was ...

Reviewed on Mar 28, 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, 5 outdoor pools, and a full-service spa. Our guests praise the pool and the helpful staff in our ...
8/10 Very Good! (1,005 reviews)
Not really, kids club closed.

Reviewed on Mar 29, 2026

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Hawks Cay 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! (1,002 reviews)
My best experience there was the pool area. The rooms were not that great for the price I paid. The carpet seemed dirty and the AC did not work well. The staff was excellent. I was on a family vacation, hoping to get my kids off my back for a few hours;however, they had a game room many of the amenities ...

Reviewed on Mar 23, 2026

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Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys
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! (1,025 reviews)
Room was snall and quaint. Bed was hard unfortunately. Staff was wonderful.

Reviewed on Mar 28, 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! (1,105 reviews)
They have hammocks on the pool area looking at the pool and water canal/bay they have 2 pools 1 was heated the other one was not but overall is a pretty good hotel with pretty good breakfast.

Reviewed on Mar 29, 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! (1,003 reviews)
Great stay with family and friends. Highly recommend.

Reviewed on Mar 21, 2026

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Tranquility Bay Beachfront Hotel and Resort
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! (1,029 reviews)
Although it is an older hotel, it was impeccably clean, the staff was friendly and helpful, the pool was sparkling, clear and beautiful, and you could rent bicycles, kayaks, etc. Very nice experience

Reviewed on Mar 28, 2026

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Coconut Cay Resort & Marina
Floating Sea Cove Resort & Marina

Floating Sea Cove Resort & Marina

2 out of 5
12685 Overseas Highway Marathon FL
Stay at this hotel in Marathon. Enjoy free parking and air conditioning. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions ...
5/10 (1,001 reviews)
Location is good, property hasn't been updated at all, falling apart. Sheets were clean but looks like the floor had not been cleaned in months. Literal piles of dirt, hair and trash against the walls and in the corners, I did not feel comfortable walking barefoot. Bathroom was disgusting. No mirror, ...

Reviewed on Mar 27, 2026

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Floating Sea Cove Resort & Marina
See all 1,475 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.