What is the cheapest airline that flies from Massachusetts to Florida Keys?

Spirit Airlines, Frontier, and American Airlines are the most popular carriers operating from Massachusetts to Florida Keys

What airlines fly to Florida Keys?

American Airlines, JetBlue and Delta are the top three most popular airlines that fly to Florida Keys from Massachusetts according to our data. American Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Florida Keys. Keep in mind that there are 5 different airlines that fly to Florida Keys on a routine basis, so you have a few additional options to choose from.

How many flights depart from Massachusetts to Florida Keys on average per week?

The number of flights available between Massachusetts and Florida Keys is 167 per week as of October 2025. The most frequent departure day is Fri, with 16% of weekly flights leaving on this day.

How long is the flight from Massachusetts to Florida Keys?

On average, it takes 7h 20m to fly from Massachusetts to Florida Keys if you fly out of Boston (the most popular airport in Massachusetts) and into Copenhagen (the most popular airport in Florida Keys). If you’re flying out of Provincetown and into Copenhagen, then the flight time is around 17h 35m.

When did momondo last update prices for flights from Massachusetts to Florida Keys?

Prices for flights from Massachusetts to Florida Keys are refreshed on a daily basis.

How many operators does momondo search for flights from Massachusetts to Florida Keys?

As of October 2025, there are 9 operators available to choose from for flights from Massachusetts to Florida Keys.

How old do you have to be to fly from Massachusetts to Florida Keys?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Massachusetts to Florida Keys.

What documentation or ID do you need to fly to Florida Keys?

The necessary travel and health documents for your Florida Keys trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$59 Cheap Flights from Massachusetts to Florida Keys in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:12 am - 4:03 pmBOS-MIA

7h 51m1 stop

12:40 pm - 3:56 pmMIA-BOS

3h 16mnonstop

$103Multiple Airlines

Find Deal

Mon, Oct 27 - Fri, Oct 31

9:27 am - 1:03 pmBOS-MIA

3h 36mnonstop

8:00 am - 11:25 amMIA-BOS

3h 25mnonstop

$107Spirit Airlines

Find Deal

Fri, Jan 23 - Sun, Feb 1

11:21 am - 8:43 pmBOS-MIA

9h 22m1 stop

5:19 pm - 12:01 amMIA-BOS

6h 42m1 stop

$108Frontier

Find Deal

Mon, Dec 15 - Tue, Dec 16

8:12 am - 4:03 pmBOS-MIA

7h 51m1 stop

11:14 am - 7:52 amMIA-BOS

20h 38m1 stop

$109Frontier

Find Deal

Mon, Oct 27 - Thu, Oct 30

6:13 pm - 9:49 pmBOS-MIA

3h 36mnonstop

9:35 pm - 12:51 amMIA-BOS

3h 16mnonstop

$132American Airlines

Find Deal

Fri, Oct 31 - Tue, Nov 4

8:35 pm - 12:12 amBOS-MIA

3h 37mnonstop

7:35 pm - 11:02 pmMIA-BOS

3h 27mnonstop

$137Delta

Find Deal

Sat, Nov 8 - Fri, Nov 14

4:26 pm - 8:00 pmBOS-MIA

3h 34mnonstop

12:05 pm - 3:26 pmMIA-BOS

3h 21mnonstop

$147Delta

Find Deal

Mon, Oct 27 - Tue, Nov 4

5:37 am - 8:59 amBDL-MIA

3h 22mnonstop

8:49 pm - 11:56 pmMIA-BDL

3h 07mnonstop

$157American Airlines

Find Deal

Sun, Nov 2 - Wed, Nov 5

6:45 am - 12:05 pmALB-MIA

5h 20m1 stop

6:55 am - 11:55 amMIA-ALB

5h 00m1 stop

$159Southwest

Find Deal

Wed, Jan 28 - Mon, Feb 2

5:40 am - 11:05 amALB-MIA

5h 25m1 stop

6:20 am - 4:15 pmMIA-ALB

9h 55m1 stop

$164Southwest

Find Deal

Wed, Dec 3 - Sun, Dec 7

Spirit Airlines flights from Massachusetts to Florida Keys

Our best Spirit Airlines deals on Massachusetts to Florida Keys flight tickets

Spirit Airlines

Jan 23

BOS9:27 amBoston Logan Intl

3h 36m

MIA1:03 pmMiami

Feb 1

MIA8:00 amMiami

3h 25m

BOS11:25 amBoston Logan Intl

$107

Find similar

Spirit Airlines

Oct 31

BOS4:54 pmBoston Logan Intl

3h 38m

MIA8:32 pmMiami

Nov 1

MIA12:50 pmMiami

11h 36m

1 stop

BOS12:26 amBoston Logan Intl

$116

Find similar

Spirit Airlines

Dec 11

BOS12:20 pmBoston Logan Intl

3h 32m

MIA3:52 pmMiami

Dec 14

MIA8:00 amMiami

3h 25m

BOS11:25 amBoston Logan Intl

$117

Find similar

Frontier flights from Massachusetts to Florida Keys

Our best Frontier deals on Massachusetts to Florida Keys flight tickets

Frontier

Dec 15

BOS11:21 amBoston Logan Intl

9h 22m

1 stop

MIA8:43 pmMiami

Dec 16

MIA5:19 pmMiami

6h 42m

1 stop

BOS12:01 amBoston Logan Intl

$108

Find similar

Frontier

Oct 27

BOS8:12 amBoston Logan Intl

7h 51m

1 stop

MIA4:03 pmMiami

Oct 30

MIA11:14 amMiami

20h 38m

1 stop

BOS7:52 amBoston Logan Intl

$109

Find similar

Frontier

Oct 20

BOS12:49 pmBoston Logan Intl

9h 09m

1 stop

MIA9:58 pmMiami

Oct 23

MIA7:24 amMiami

3h 25m

BOS10:49 amBoston Logan Intl

$114

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Massachusetts to Florida Keys that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Mon 10/27

8:12 am-4:03 pm

1 stop7h 51m

Miami

Fri 10/31

12:40 pm-3:56 pm

Nonstop3h 16m

$103

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Fri 1/23

9:27 am-1:03 pm

Nonstop3h 36m

Miami

Sun 2/1

8:00 am-11:25 am

Nonstop3h 25m

$107

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Mon 12/15

11:21 am-8:43 pm

1 stop9h 22m

Miami

Tue 12/16

5:19 pm-12:01 am

1 stop6h 42m

$108

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Mon 10/27

8:12 am-4:03 pm

1 stop7h 51m

Miami

Thu 10/30

11:14 am-7:52 am

1 stop20h 38m

$109

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Fri 10/31

6:13 pm-9:49 pm

Nonstop3h 36m

Miami

Tue 11/4

9:35 pm-12:51 am

Nonstop3h 16m

$132

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Sat 11/8

8:35 pm-12:12 am

Nonstop3h 37m

Miami

Fri 11/14

7:35 pm-11:02 pm

Nonstop3h 27m

$137

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Mon 10/27

4:26 pm-8:00 pm

Nonstop3h 34m

Miami

Tue 11/4

12:05 pm-3:26 pm

Nonstop3h 21m

$147

HartfordMiami

BDL - MIA

BDLMIA

Hartford Bradley Intl

Sun 11/2

5:37 am-8:59 am

Nonstop3h 22m

Miami

Wed 11/5

8:49 pm-11:56 pm

Nonstop3h 07m

$157

AlbanyMiami

ALB - MIA

ALBMIA

Albany Intl

Wed 1/28

6:45 am-12:05 pm

1 stop5h 20m

Miami

Mon 2/2

6:55 am-11:55 am

1 stop5h 00m

$159

AlbanyMiami

ALB - MIA

ALBMIA

Albany Intl

Wed 12/3

5:40 am-11:05 am

1 stop5h 25m

Miami

Sun 12/7

6:20 am-4:15 pm

1 stop9h 55m

$164

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Massachusetts to Florida Keys

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Florida Keys?

The month of January is another great option to travel to Florida Keys, with average flight prices from Massachusetts averaging around $196.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from Massachusetts to Florida Keys is on a Thursday when prices can be found for as low as $396. The most expensive day to fly to Florida Keys is Wednesday, with ticket prices averaging around $476.

What is the cheapest time of day to depart on your flight to Florida Keys?

According to our data, the cheapest time of day to fly to Florida Keys is in the evening. momondo users have found flights departing from Massachusetts to Florida Keys in the evening for as low as $230. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $533.

What is the cheapest Massachusetts to Florida Keys flight route?

Fly from Boston Logan Intl to Key West for the best Massachusetts - Florida Keys flight prices

How far in advance should I book a flight to Florida Keys?

You are more likely to see cheaper flights to Florida Keys from Massachusetts when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $236 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida Keys from Massachusetts for as low as $175 on momondo.

What cabin class options are available on Massachusetts to Florida Keys flights?

There are 3 cabin classes available to choose from on Massachusetts to Florida Keys flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Massachusetts to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between Massachusetts to Florida Keys.

Cheap Massachusetts to Florida Keys flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Massachusetts to Florida Keys

Fastest flight time	3h 10m
Direct flights	Every day
Airports in Florida Keys	1 airport

The fastest flight from Massachusetts to Florida Keys takes 3h 10m

Direct flights go from Massachusetts to Florida Keys every day.

There is 1 airport near Florida Keys: Miami (MIA)

Search flight deals

When did momondo last update prices for flights from Massachusetts to Florida Keys?
Prices for flights from Massachusetts to Florida Keys are refreshed on a daily basis.
How many operators does momondo search for flights from Massachusetts to Florida Keys?
As of October 2025, there are 9 operators available to choose from for flights from Massachusetts to Florida Keys.
How old do you have to be to fly from Massachusetts to Florida Keys?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Massachusetts to Florida Keys.
What documentation or ID do you need to fly to Florida Keys?
The necessary travel and health documents for your Florida Keys trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Massachusetts to Florida Keys?
Based on momondo bookings for flights between Massachusetts and Florida Keys, the leading plane model is Airbus A321neo, making up 13.35% of the total bookings. Other popular models include Airbus A220-300 with 9.98%, Airbus A321-100/200 with 9.31%, and Airbus A320-100/200 with 8.77%.

Best airlines flying from Massachusetts to Florida Keys

Compare and see reviews for airlines that fly from Massachusetts to Florida Keys with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $66	Free Cancellation	Rating 6.3 8,092 reviews	Search Spirit Airlines flights
United Airlines	PriceFrom $135	Free Cancellation	Rating 7.4 8,973 reviews	Search United Airlines flights
Delta	PriceFrom $216	Free Cancellation	Rating 7.9 7,973 reviews	Search Delta flights
JetBlue	PriceFrom $216	Free Cancellation	Rating 7.2 2,904 reviews	Search JetBlue flights
American Airlines	PriceFrom $248	Free Cancellation	Rating 7.2 11,045 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Massachusetts to Florida Keys?

Finding the right flight to Florida Keys from Massachusetts is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Florida Keys quick and easy, saving you time and money.

Can I find flights from Massachusetts to Florida Keys with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Massachusetts to Florida Keys flights to just show those with flexible booking policies.

How can momondo help me find flights from Massachusetts to Florida Keys?

momondo provides multiple filters to help you find the best flight to Florida Keys from Massachusetts. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Massachusetts to Florida Keys right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Massachusetts to Florida Keys flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Florida Keys trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities in Florida Keys

Flights to New Yorkfrom $49

Flights to Los Angelesfrom $38

Flights to Miamifrom $49

Flights to Chicagofrom $49

Flights to Orlandofrom $63

Flights to Las Vegasfrom $38

Flights to San Franciscofrom $38

Flights to Washington, D.C.from $48

Flights to Bostonfrom $61

Flights to Atlantafrom $48

Flights to Dallasfrom $57

Flights to Seattlefrom $75

Massachusetts flight routes

Flights from Boston Logan Intl to West Tisbury Martha's Vineyard

Flights from Boston Logan Intl to Asheville Regional

Flights from Boston Logan Intl to Cleveland Hopkins Intl

Flights from Boston Logan Intl to Traverse City Cherry Capital

Flights from Boston Logan Intl to Richmond Byrd Intl

Flights from Boston Logan Intl to Presque Isle

Cheap flights from Massachusetts to Florida Keys from $59

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Massachusetts to Florida Keys departing on 2/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Massachusetts to Florida Keys

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Spirit Airlines flights from Massachusetts to Florida Keys

Our best Spirit Airlines deals on Massachusetts to Florida Keys flight tickets

Frontier flights from Massachusetts to Florida Keys

Our best Frontier deals on Massachusetts to Florida Keys flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Massachusetts to Florida Keys that are best for you.

See travel insights to Florida Keys from

How to get the cheapest flight ticket from Massachusetts to Florida Keys

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Florida Keys?

The month of January is another great option to travel to Florida Keys, with average flight prices from Massachusetts averaging around $196.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from Massachusetts to Florida Keys is on a Thursday when prices can be found for as low as $396. The most expensive day to fly to Florida Keys is Wednesday, with ticket prices averaging around $476.

What is the cheapest time of day to depart on your flight to Florida Keys?

What is the cheapest Massachusetts to Florida Keys flight route?

Fly from Boston Logan Intl to Key West for the best Massachusetts - Florida Keys flight prices

How far in advance should I book a flight to Florida Keys?

What cabin class options are available on Massachusetts to Florida Keys flights?

There are 3 cabin classes available to choose from on Massachusetts to Florida Keys flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Massachusetts to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between Massachusetts to Florida Keys.

What is the cheapest airline that flies from Massachusetts to Florida Keys?

Spirit Airlines, Frontier, and American Airlines are the most popular carriers operating from Massachusetts to Florida Keys

What airlines fly to Florida Keys?

How many flights depart from Massachusetts to Florida Keys on average per week?

The number of flights available between Massachusetts and Florida Keys is 167 per week as of October 2025. The most frequent departure day is Fri, with 16% of weekly flights leaving on this day.

How long is the flight from Massachusetts to Florida Keys?

Cheap Massachusetts to Florida Keys flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Massachusetts to Florida Keys

Fastest flight time

Direct flights

Airports in Florida Keys

When did momondo last update prices for flights from Massachusetts to Florida Keys?

How many operators does momondo search for flights from Massachusetts to Florida Keys?

How old do you have to be to fly from Massachusetts to Florida Keys?

What documentation or ID do you need to fly to Florida Keys?

What is the most popular plane model from Massachusetts to Florida Keys?

Best airlines flying from Massachusetts to Florida Keys

Compare and see reviews for airlines that fly from Massachusetts to Florida Keys with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Massachusetts to Florida Keys?

Can I find flights from Massachusetts to Florida Keys with flexible booking policies on momondo?

How can momondo help me find flights from Massachusetts to Florida Keys?

I’m not ready to book a flight from Massachusetts to Florida Keys right now. Can momondo alert me if prices change?

An easier way to manage your Florida Keys trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Florida Keys

Popular cities in Florida Keys

Popular flights according to clicks in the last 7 days on momondo