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Marathon

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Marathon Flights as Low as $53

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

Frontier Airlines
Mon, Jan 25 - Fri, Jan 29
IAH
George Bush Intercontinental
MIA
Miami Intl.
$53 Roundtrip, found 7 hours ago
$53
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Mon, Jan 25 from George Bush Intercontinental to Miami Intl., returning Fri, Jan 29, priced at $53 found 7 hours ago
Frontier Airlines
Tue, Nov 17 - Thu, Dec 3
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$58 Roundtrip, just found
$58
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Nov 17 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Thu, Dec 3, priced at $58 just found
United
Mon, Jan 25 - Fri, Jan 29
IAH
George Bush Intercontinental
MIA
Miami Intl.
$137 Roundtrip, found 7 hours ago
$137
Roundtrip
found 7 hours ago
Select United flight, departing Mon, Jan 25 from George Bush Intercontinental to Miami Intl., returning Fri, Jan 29, priced at $137 found 7 hours ago
American Airlines
Fri, Dec 4 - Mon, Dec 7
IAH
George Bush Intercontinental
MIA
Miami Intl.
$137 Roundtrip, found 3 hours ago
$137
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Fri, Dec 4 from George Bush Intercontinental to Miami Intl., returning Mon, Dec 7, priced at $137 found 3 hours ago
Delta
Tue, Nov 17 - Tue, Nov 24
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$147 Roundtrip, just found
$147
Roundtrip
just found
Select Delta flight, departing Tue, Nov 17 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Tue, Nov 24, priced at $147 just found
Southwest Airlines
Tue, Nov 17 - Thu, Dec 3
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$167 Roundtrip, just found
$167
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, Nov 17 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Thu, Dec 3, priced at $167 just found
Delta
Tue, Jan 5 - Fri, Jan 8
JFK
John F. Kennedy Intl.
MIA
Miami Intl.
$199 Roundtrip, found 2 hours ago
$199
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Jan 5 from John F. Kennedy Intl. to Miami Intl., returning Fri, Jan 8, priced at $199 found 2 hours ago
JetBlue Airways
Fri, Dec 4 - Fri, Dec 4
IAH
George Bush Intercontinental
AVT
Aventura Brightline Train Station
$262 Roundtrip, found 3 hours ago
$262
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Fri, Dec 4 from George Bush Intercontinental to Aventura Brightline Train Station, returning Fri, Dec 4, priced at $262 found 3 hours ago
JetBlue Airways
Mon, Dec 7 - Thu, Dec 10
IAH
George Bush Intercontinental
EKW
Miami Central Brightline Train Station
$269 Roundtrip, found 3 days ago
$269
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Mon, Dec 7 from George Bush Intercontinental to Miami Central Brightline Train Station, returning Thu, Dec 10, priced at $269 found 3 days ago
JetBlue Airways
Wed, Dec 2 - Sat, Dec 5
ATL
Hartsfield-Jackson Atlanta Intl.
EKW
Miami Central Brightline Train Station
$270 Roundtrip, found 3 hours ago
$270
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Wed, Dec 2 from Hartsfield-Jackson Atlanta Intl. to Miami Central Brightline Train Station, returning Sat, Dec 5, priced at $270 found 3 hours ago
JetBlue Airways
Mon, Nov 9 - Mon, Nov 16
ATL
Hartsfield-Jackson Atlanta Intl.
AVT
Aventura Brightline Train Station
$290 Roundtrip, found 13 hours ago
$290
Roundtrip
found 13 hours ago
Select JetBlue Airways flight, departing Mon, Nov 9 from Hartsfield-Jackson Atlanta Intl. to Aventura Brightline Train Station, returning Mon, Nov 16, priced at $290 found 13 hours ago
Delta
Tue, Dec 22 - Thu, Dec 24
IAH
George Bush Intercontinental
EYW
Key West Intl.
$340 Roundtrip, found 11 hours ago
$340
Roundtrip
found 11 hours ago
Select Delta flight, departing Tue, Dec 22 from George Bush Intercontinental to Key West Intl., returning Thu, Dec 24, priced at $340 found 11 hours ago
JetBlue Airways
Sun, Nov 15 - Wed, Nov 18
JFK
John F. Kennedy Intl.
AVT
Aventura Brightline Train Station
$361 Roundtrip, found 5 days ago
$361
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Sun, Nov 15 from John F. Kennedy Intl. to Aventura Brightline Train Station, returning Wed, Nov 18, priced at $361 found 5 days ago
Delta
Sun, Feb 14 - Thu, Feb 25
ATL
Hartsfield-Jackson Atlanta Intl.
EYW
Key West Intl.
$369 Roundtrip, found 7 hours ago
$369
Roundtrip
found 7 hours ago
Select Delta flight, departing Sun, Feb 14 from Hartsfield-Jackson Atlanta Intl. to Key West Intl., returning Thu, Feb 25, priced at $369 found 7 hours ago
American Airlines
Mon, Nov 23 - Wed, Dec 2
JFK
John F. Kennedy Intl.
EYW
Key West Intl.
$374 Roundtrip, found 8 hours ago
$374
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Mon, Nov 23 from John F. Kennedy Intl. to Key West Intl., returning Wed, Dec 2, priced at $374 found 8 hours ago
JetBlue Airways
Sat, Nov 14 - Tue, Nov 17
JFK
John F. Kennedy Intl.
EKW
Miami Central Brightline Train Station
$385 Roundtrip, found 5 days ago
$385
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Sat, Nov 14 from John F. Kennedy Intl. to Miami Central Brightline Train Station, returning Tue, Nov 17, priced at $385 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 January, 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 $53, 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 $53 right now, why wait?

Marathon Flight Information
Destination airport
Miami Intl.
Destination airport IATA code
MIA
Roundtrip price
$58

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! (1,305 reviews)
"This was absolutely wonderful my first time here many more to come definitely recommend"

Reviewed on Nov 2, 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! (1,003 reviews)
"This resort never disappoints! Love the property, amenities, and the adult pool"

Reviewed on Nov 2, 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! (1,241 reviews)
"Place was very clean, friendly staff."

Reviewed on Nov 2, 2026

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Fairfield Inn & Suites by Marriott 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! (1,140 reviews)
"Convenient and cheap laundry room. Very friendly and helpful staff"

Reviewed on Nov 1, 2026

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Kingsail Resort
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! (1,009 reviews)
"Hermoso !!!"

Reviewed on Nov 1, 2026

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Tranquility Bay Beachfront Hotel and Resort
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 free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our ...
8.2/10 Very Good! (1,001 reviews)
"We've stayed here a few times and always enjoy ourselves. Peaceful quiet little resort to bring our pup and enjoy a few nights away from the stress of working and living in South Florida. Perfect place for us to get some R&R without travelling too far. Can't wait to come back!"

Reviewed on Nov 2, 2026

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Rainbow Bend 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! (1,008 reviews)
"Not much for amenities- to warrant the extra (Expedia will not allow amount) a day resort fee and do not pay extra for balconies as your view is the parking lot. It is good for an overnight stay but definitely not for a longer stay. The tiki bar is nice and food was good."

Reviewed on Oct 31, 2026

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Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys
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 ...
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Coconut Cay Resort & Marina
See all 1,546 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.