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Marathon

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Marathon Flights as Low as $58

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

Frontier Airlines
Tue, May 5 - Wed, May 20
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$58 Roundtrip, found 8 hours ago
$58
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Tue, May 5 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Wed, May 20, priced at $58 found 8 hours ago
Frontier Airlines
Sat, May 16 - Wed, May 20
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$60 Roundtrip, just found
$60
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, May 16 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Wed, May 20, priced at $60 just found
Spirit Airlines
Fri, May 1 - Fri, May 8
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$60 Roundtrip, just found
$60
Roundtrip
just found
Select Spirit Airlines flight, departing Fri, May 1 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Fri, May 8, priced at $60 just found
Spirit Airlines
Sat, May 2 - Sat, May 9
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$61 Roundtrip, found 2 hours ago
$61
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Sat, May 2 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Sat, May 9, priced at $61 found 2 hours ago
Delta
Sat, Jul 18 - Tue, Aug 4
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$147 Roundtrip, found 17 hours ago
$147
Roundtrip
found 17 hours ago
Select Delta flight, departing Sat, Jul 18 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Tue, Aug 4, priced at $147 found 17 hours ago
American Airlines
Sat, May 16 - Wed, May 20
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$151 Roundtrip, just found
$151
Roundtrip
just found
Select American Airlines flight, departing Sat, May 16 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Wed, May 20, priced at $151 just found
United
Tue, Jun 30 - Thu, Jul 9
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$227 Roundtrip, found 6 hours ago
$227
Roundtrip
found 6 hours ago
Select United flight, departing Tue, Jun 30 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Thu, Jul 9, priced at $227 found 6 hours ago
Frontier Airlines
Sat, May 2 - Fri, May 8
SFO
San Francisco Intl.
MIA
Miami Intl.
$241 Roundtrip, found 1 day ago
$241
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, May 2 from San Francisco Intl. to Miami Intl., returning Fri, May 8, priced at $241 found 1 day ago
Delta
Tue, Sep 8 - Tue, Sep 29
SFO
San Francisco Intl.
EYW
Key West Intl.
$291 Roundtrip, found 15 hours ago
$291
Roundtrip
found 15 hours ago
Select Delta flight, departing Tue, Sep 8 from San Francisco Intl. to Key West Intl., returning Tue, Sep 29, priced at $291 found 15 hours ago
JetBlue Airways
Mon, May 4 - Thu, May 7
ATL
Hartsfield-Jackson Atlanta Intl.
AVT
Aventura Brightline Train Station
$319 Roundtrip, found 2 days ago
$319
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Mon, May 4 from Hartsfield-Jackson Atlanta Intl. to Aventura Brightline Train Station, returning Thu, May 7, priced at $319 found 2 days ago
Delta
Sat, Jul 4 - Wed, Jul 8
ATL
Hartsfield-Jackson Atlanta Intl.
EYW
Key West Intl.
$319 Roundtrip, found 14 hours ago
$319
Roundtrip
found 14 hours ago
Select Delta flight, departing Sat, Jul 4 from Hartsfield-Jackson Atlanta Intl. to Key West Intl., returning Wed, Jul 8, priced at $319 found 14 hours ago
JetBlue Airways
Tue, May 5 - Wed, May 20
ATL
Hartsfield-Jackson Atlanta Intl.
EKW
Miami Central Brightline Train Station
$325 Roundtrip, found 4 days ago
$325
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Tue, May 5 from Hartsfield-Jackson Atlanta Intl. to Miami Central Brightline Train Station, returning Wed, May 20, priced at $325 found 4 days ago
JetBlue Airways
Sat, May 2 - Wed, May 6
SFO
San Francisco Intl.
AVT
Aventura Brightline Train Station
$412 Roundtrip, found 7 hours ago
$412
Roundtrip
found 7 hours ago
Select JetBlue Airways flight, departing Sat, May 2 from San Francisco Intl. to Aventura Brightline Train Station, returning Wed, May 6, priced at $412 found 7 hours ago
JetBlue Airways
Sat, May 2 - Wed, May 6
SFO
San Francisco Intl.
EKW
Miami Central Brightline Train Station
$421 Roundtrip, found 7 hours ago
$421
Roundtrip
found 7 hours ago
Select JetBlue Airways flight, departing Sat, May 2 from San Francisco Intl. to Miami Central Brightline Train Station, returning Wed, May 6, priced at $421 found 7 hours ago
Alaska Airlines
Mon, Nov 2 - Thu, Nov 12
SFO
San Francisco Intl.
MIA
Miami Intl.
$424 Roundtrip, found 3 days ago
$424
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Mon, Nov 2 from San Francisco Intl. to Miami Intl., returning Thu, Nov 12, priced at $424 found 3 days ago
JetBlue Airways
Sat, Oct 10 - Mon, Oct 26
SFO
San Francisco Intl.
EYW
Key West Intl.
$678 Roundtrip, found 5 days ago
$678
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Sat, Oct 10 from San Francisco Intl. to Key West Intl., returning Mon, Oct 26, priced at $678 found 5 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 May, 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 $58, 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 $58 right now, why wait?

Marathon Flight Information
Destination airport
Miami Intl.
Destination airport IATA code
MIA
Roundtrip price
$52

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! (1,118 reviews)
I had an excellent experience at this hotel. Everything exceeded my expectations from start to finish. The staff was incredibly kind, welcoming, and always ready to help with anything we needed. The rooms were spacious, very comfortable, and impeccably clean, which made our stay even more enjoyable. ...

Reviewed on Apr 13, 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! (1,004 reviews)
No recommendations

Reviewed on Apr 15, 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! (1,001 reviews)
Beautiful property and location

Reviewed on Apr 15, 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! (1,039 reviews)
Great customer service.

Reviewed on Apr 15, 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! (1,114 reviews)
The place was clean and the beds were comfortable

Reviewed on Apr 16, 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. ...
8.8/10 Excellent! (1,167 reviews)
For a two night stay, 3 rooms. Totaling over $4,000, what do you think? Worms in room, cockroaches at entrance, toilet paper so thin you might as well use bare fingers, towels that can rub your skin off, service at coffee stand that took forever, noise from across the hall all night. $50 to park ...

Reviewed on Apr 12, 2026

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Faro Blanco Resort Marathon Florida Keys, Curio by Hilton
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! (1,000 reviews)
Prepare for expensive meals and drinks.

Reviewed on Apr 3, 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! (1,020 reviews)
There is an outdoor pool, no breakfast but a diner across the street and coffee in the room. I wouldn't call this a resort more like a motel. You enter your room from the outside with a key old school way. My room was updated and clean.

Reviewed on Apr 13, 2026

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Coconut Cay Resort & Marina
See all 1,547 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.