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Marathon

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Marathon Flights as Low as $68

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

Frontier Airlines
Tue, Sep 1 - Tue, Sep 1
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$68 Roundtrip, found 1 hour ago
$68
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Sep 1 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Tue, Sep 1, priced at $68 found 1 hour ago
Frontier Airlines
Mon, Nov 2 - Wed, Nov 18
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$80 Roundtrip, just found
$80
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Nov 2 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Wed, Nov 18, priced at $80 just found
Frontier Airlines
Sat, Sep 19 - Thu, Sep 24
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$82 Roundtrip, just found
$82
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Sep 19 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Thu, Sep 24, priced at $82 just found
Delta
Thu, Nov 26 - Thu, Nov 26
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$154 Roundtrip, just found
$154
Roundtrip
just found
Select Delta flight, departing Thu, Nov 26 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Thu, Nov 26, priced at $154 just found
American Airlines
Thu, Nov 26 - Thu, Nov 26
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$154 Roundtrip, just found
$154
Roundtrip
just found
Select American Airlines flight, departing Thu, Nov 26 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Thu, Nov 26, priced at $154 just found
Southwest Airlines
Mon, Nov 2 - Wed, Nov 18
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$179 Roundtrip, just found
$179
Roundtrip
just found
Select Southwest Airlines flight, departing Mon, Nov 2 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Wed, Nov 18, priced at $179 just found
United
Sat, Sep 19 - Thu, Sep 24
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$220 Roundtrip, just found
$220
Roundtrip
just found
Select United flight, departing Sat, Sep 19 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Thu, Sep 24, priced at $220 just found
Frontier Airlines
Sat, Oct 17 - Wed, Oct 21
LAX
Los Angeles Intl.
MIA
Miami Intl.
$228 Roundtrip, found 2 days ago
$228
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sat, Oct 17 from Los Angeles Intl. to Miami Intl., returning Wed, Oct 21, priced at $228 found 2 days ago
Delta
Sun, Sep 20 - Thu, Oct 1
ATL
Hartsfield-Jackson Atlanta Intl.
EYW
Key West Intl.
$263 Roundtrip, found 1 hour ago
$263
Roundtrip
found 1 hour ago
Select Delta flight, departing Sun, Sep 20 from Hartsfield-Jackson Atlanta Intl. to Key West Intl., returning Thu, Oct 1, priced at $263 found 1 hour ago
JetBlue Airways
Tue, Sep 8 - Wed, Sep 16
ATL
Hartsfield-Jackson Atlanta Intl.
EKW
Miami Central Brightline Train Station
$272 Roundtrip, found 5 days ago
$272
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Tue, Sep 8 from Hartsfield-Jackson Atlanta Intl. to Miami Central Brightline Train Station, returning Wed, Sep 16, priced at $272 found 5 days ago
JetBlue Airways
Mon, Nov 2 - Wed, Nov 18
ATL
Hartsfield-Jackson Atlanta Intl.
AVT
Aventura Brightline Train Station
$303 Roundtrip, just found
$303
Roundtrip
just found
Select JetBlue Airways flight, departing Mon, Nov 2 from Hartsfield-Jackson Atlanta Intl. to Aventura Brightline Train Station, returning Wed, Nov 18, priced at $303 just found
American Airlines
Tue, Oct 27 - Wed, Nov 18
LAX
Los Angeles Intl.
EYW
Key West Intl.
$341 Roundtrip, found 2 days ago
$341
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Oct 27 from Los Angeles Intl. to Key West Intl., returning Wed, Nov 18, priced at $341 found 2 days ago
Alaska Airlines
Sun, Sep 27 - Tue, Oct 6
LAX
Los Angeles Intl.
MIA
Miami Intl.
$448 Roundtrip, found 2 days ago
$448
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sun, Sep 27 from Los Angeles Intl. to Miami Intl., returning Tue, Oct 6, priced at $448 found 2 days ago
JetBlue Airways
Tue, Aug 25 - Wed, Aug 26
LAX
Los Angeles Intl.
EKW
Miami Central Brightline Train Station
$479 Roundtrip, found 3 days ago
$479
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Tue, Aug 25 from Los Angeles Intl. to Miami Central Brightline Train Station, returning Wed, Aug 26, priced at $479 found 3 days ago
JetBlue Airways
Mon, Aug 24 - Fri, Aug 28
LAX
Los Angeles Intl.
AVT
Aventura Brightline Train Station
$494 Roundtrip, found 4 days ago
$494
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Mon, Aug 24 from Los Angeles Intl. to Aventura Brightline Train Station, returning Fri, Aug 28, priced at $494 found 4 days ago
JetBlue Airways
Sun, Oct 18 - Fri, Oct 23
LAX
Los Angeles Intl.
EYW
Key West Intl.
$555 Roundtrip, found 6 days ago
$555
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Sun, Oct 18 from Los Angeles Intl. to Key West Intl., returning Fri, Oct 23, priced at $555 found 6 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 September, 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 $68, 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 $68 right now, why wait?

Marathon Flight Information
Destination airport
Miami Intl.
Destination airport IATA code
MIA
Roundtrip price
$68

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! (1,013 reviews)
"Unfortunately, our stay was very disappointing. We were unable to get a good night’s sleep because children were running up and down the hallways and repeatedly banging doors late into the night. The rooms have virtually no soundproofing—you can hear everything happening in the hallway and neighboring ..."

Reviewed on Aug 6, 2026

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Hawks Cay 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! (1,004 reviews)
"This property is ideal for families. The location is perfect if you want to relax and focus on your family. It is not made for luxury travels. Do not expect a higher level of service (aka roaming servers at pool or near the beach). Do plan for your young adult fishermen/fisherwoman to have a blast. ..."

Reviewed on Aug 7, 2026

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Tranquility Bay Beachfront Hotel and 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 ...
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Fairfield Inn & Suites by Marriott Marathon Florida Keys
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! (1,005 reviews)
"The resort was clean and well maintained, other than the hallways which were nearly as hot as it was outside. The staff was lacking in good customer service. The outdoor bartender seemed like he didn't want to be there. His demeanor didn't change at all over the several days we were there."

Reviewed on Aug 6, 2026

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Courtyard by Marriott Faro Blanco Resort, 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. ...
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Faro Blanco Resort Marathon Florida Keys, Curio by Hilton
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! (1,011 reviews)
"Did not clean our room daily we need to get a towels at the office"

Reviewed on Aug 7, 2026

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Banana Bay Resort & Marina
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! (1,107 reviews)
"Cozy, clean, nice location."

Reviewed on Aug 6, 2026

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Kingsail Resort
See all 1,551 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.