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

As of July 2025, 174 flights take off from Boston and land in Florida Keys each week. The most common flight departure day for this route is Thu, with 21% of weekly flights taking off on this day.

What is the cheapest airline that flies from Boston Logan Intl to Florida Keys?

Spirit Airlines, Frontier, and Delta are the most popular carriers operating from Boston Logan Intl 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 Boston according to our data. American Airlines is the first choice among our users, with 57% 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.

When did momondo last update prices for flights from Boston Logan Intl Airport to Florida Keys?

Prices for flights from Boston Logan Intl Airport to Florida Keys were last updated today.

How many operators does momondo search for flights from Boston Logan Intl Airport to Florida Keys?

The number of operators available for flights from Boston Logan Intl Airport to Florida Keys is 8 as of July 2025.

How old do you have to be to fly from Boston Logan Intl Airport to Florida Keys?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Florida Keys.

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

The travel and health documents required for your trip to Florida Keys can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Florida Keys. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$40 Cheap Flights from Boston to Florida Keys in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Boston to Florida Keys

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

11:25 am - 3:01 pmBOS-MIA

3h 36mnonstop

7:05 am - 10:30 amMIA-BOS

3h 25mnonstop

$96Frontier

Find Deal

Thu, Oct 9 - Thu, Oct 16

6:13 pm - 9:50 pmBOS-MIA

3h 37mnonstop

12:38 pm - 4:00 pmMIA-BOS

3h 22mnonstop

$97American Airlines

Find Deal

Wed, Sep 10 - Wed, Sep 17

3:25 pm - 7:06 pmBOS-MIA

3h 41mnonstop

11:09 am - 2:30 pmMIA-BOS

3h 21mnonstop

$100Spirit Airlines

Find Deal

Sat, Aug 16 - Thu, Aug 21

2:18 pm - 5:50 pmBOS-MIA

3h 32mnonstop

9:56 am - 1:23 pmMIA-BOS

3h 27mnonstop

$102Spirit Airlines

Find Deal

Sat, Sep 13 - Sat, Sep 20

2:18 pm - 5:50 pmBOS-MIA

3h 32mnonstop

9:56 am - 1:23 pmMIA-BOS

3h 27mnonstop

$103Spirit Airlines

Find Deal

Thu, Sep 11 - Thu, Sep 18

3:25 pm - 7:06 pmBOS-MIA

3h 41mnonstop

9:56 am - 1:23 pmMIA-BOS

3h 27mnonstop

$104Spirit Airlines

Find Deal

Thu, Aug 28 - Thu, Sep 4

3:25 pm - 7:06 pmBOS-MIA

3h 41mnonstop

11:09 am - 2:30 pmMIA-BOS

3h 21mnonstop

$105Spirit Airlines

Find Deal

Sat, Aug 16 - Thu, Aug 21

11:25 am - 3:01 pmBOS-MIA

3h 36mnonstop

9:56 am - 1:23 pmMIA-BOS

3h 27mnonstop

$109

Find Deal

Thu, Oct 16 - Sat, Oct 18

7:50 pm - 11:31 pmBOS-MIA

3h 41mnonstop

7:00 am - 10:24 amMIA-BOS

3h 24mnonstop

$117Delta

Find Deal

Tue, Nov 11 - Wed, Nov 12

3:50 pm - 7:31 pmBOS-MIA

3h 41mnonstop

7:00 am - 10:24 amMIA-BOS

3h 24mnonstop

$127Delta

Find Deal

Tue, Nov 11 - Sat, Nov 15

American Airlines flights from Boston to Florida Keys

Our best American Airlines deals on Boston to Florida Keys flight tickets

American Airlines

Sep 10

BOS6:13 pmBoston Logan Intl

3h 37m

MIA9:50 pmMiami

Sep 17

MIA12:38 pmMiami

3h 22m

BOS4:00 pmBoston Logan Intl

$97

Find similar

American Airlines

Sep 13

BOS10:00 amBoston Logan Intl

3h 31m

MIA1:31 pmMiami

Sep 17

MIA5:00 pmMiami

3h 14m

BOS8:14 pmBoston Logan Intl

$118

Find similar

American Airlines

Sep 13

BOS7:36 amBoston Logan Intl

3h 37m

MIA11:13 amMiami

Sep 16

MIA8:51 amMiami

3h 20m

BOS12:11 pmBoston Logan Intl

$120

Find similar

Spirit Airlines flights from Boston to Florida Keys

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

Spirit Airlines

Aug 16

BOS3:25 pmBoston Logan Intl

3h 41m

MIA7:06 pmMiami

Aug 21

MIA11:09 amMiami

3h 21m

BOS2:30 pmBoston Logan Intl

$100

Find similar

Spirit Airlines

Sep 13

BOS2:18 pmBoston Logan Intl

3h 32m

MIA5:50 pmMiami

Sep 20

MIA9:56 amMiami

3h 27m

BOS1:23 pmBoston Logan Intl

$102

Find similar

Spirit Airlines

Sep 11

BOS2:18 pmBoston Logan Intl

3h 32m

MIA5:50 pmMiami

Sep 18

MIA9:56 amMiami

3h 27m

BOS1:23 pmBoston Logan Intl

$103

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Thu 10/9

11:25 am-3:01 pm

Nonstop3h 36m

Miami

Thu 10/16

7:05 am-10:30 am

Nonstop3h 25m

$96

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Wed 9/10

6:13 pm-9:50 pm

Nonstop3h 37m

Miami

Wed 9/17

12:38 pm-4:00 pm

Nonstop3h 22m

$97

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Sat 8/16

3:25 pm-7:06 pm

Nonstop3h 41m

Miami

Thu 8/21

11:09 am-2:30 pm

Nonstop3h 21m

$100

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Sat 9/13

2:18 pm-5:50 pm

Nonstop3h 32m

Miami

Sat 9/20

9:56 am-1:23 pm

Nonstop3h 27m

$102

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Thu 9/11

2:18 pm-5:50 pm

Nonstop3h 32m

Miami

Thu 9/18

9:56 am-1:23 pm

Nonstop3h 27m

$103

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Thu 8/28

3:25 pm-7:06 pm

Nonstop3h 41m

Miami

Thu 9/4

9:56 am-1:23 pm

Nonstop3h 27m

$104

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Sat 8/16

3:25 pm-7:06 pm

Nonstop3h 41m

Miami

Thu 8/21

11:09 am-2:30 pm

Nonstop3h 21m

$105

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Thu 10/16

11:25 am-3:01 pm

Nonstop3h 36m

Miami

Sat 10/18

9:56 am-1:23 pm

Nonstop3h 27m

$109

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Tue 11/11

7:50 pm-11:31 pm

Nonstop3h 41m

Miami

Wed 11/12

7:00 am-10:24 am

Nonstop3h 24m

$117

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Tue 11/11

3:50 pm-7:31 pm

Nonstop3h 41m

Miami

Sat 11/15

7:00 am-10:24 am

Nonstop3h 24m

$127

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 Boston 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 Boston averaging around $198.

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

The cheapest day to depart from Boston to Florida Keys is on a Thursday when prices can be found for as low as $401. The most expensive day to fly to Florida Keys is Wednesday, with ticket prices averaging around $491.

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 Boston to Florida Keys in the evening for as low as $209. 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 $550.

What is the cheapest Boston Logan Intl to Florida Keys flight route?

Fly from Boston Logan Intl to Key West for the best Boston Logan Intl - 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 Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $233 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida Keys from Boston for as low as $176 on momondo.

What cabin class options are available on Boston Logan Intl to Florida Keys flights?

There are 3 cabin classes available to choose from on Boston Logan Intl 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 Boston to Florida Keys flights?

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

Cheap Boston to Florida Keys flight deals and tips

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

Best Price Found	$40
Fastest flight time	3h 30m
Direct flights	Every day
Airports in Florida Keys	2 airports

The best one-way flight to Florida Keys from Boston in the past 72 hours is $40. The best round-trip flight deal from Boston to Florida Keys found on momondo in the last 72 hours is $96.

The fastest flight from Boston to Florida Keys takes 3h 30m

Direct flights go from Boston to Florida Keys every day.

There are 2 airports near Florida Keys: Key West (EYW), Miami (MIA)

Search flight deals

When did momondo last update prices for flights from Boston Logan Intl Airport to Florida Keys?
Prices for flights from Boston Logan Intl Airport to Florida Keys were last updated today.
How many operators does momondo search for flights from Boston Logan Intl Airport to Florida Keys?
The number of operators available for flights from Boston Logan Intl Airport to Florida Keys is 8 as of July 2025.
How old do you have to be to fly from Boston Logan Intl Airport to Florida Keys?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Florida Keys.
What documentation or ID do you need to fly to Florida Keys?
The travel and health documents required for your trip to Florida Keys can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Florida Keys. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Boston to Florida Keys?
Based on momondo bookings for flights between Boston and Florida Keys, the leading plane model is Airbus A321neo, making up 11.93% of the total bookings. Other popular models include Airbus A321-100/200 with 8.74%, Airbus A220-300 with 8.16%, and Airbus A320-100/200 with 6.63%.

Best airlines flying from Boston to Florida Keys

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

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $66	Free Cancellation	Rating 6.3 8,048 reviews	Search Spirit Airlines flights
United Airlines	PriceFrom $145	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
JetBlue	PriceFrom $211	Free Cancellation	Rating 7.2 2,914 reviews	Search JetBlue flights
Delta	PriceFrom $216	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
American Airlines	PriceFrom $266	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Florida Keys from Boston.

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

Yes. momondo enables you to select and highlight flights to Florida Keys from Boston with this policy.

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

Once you have performed a search for Boston to Florida Keys flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Boston to Florida Keys now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Florida Keys and let you know when they 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Tue 8/5

Tue 8/12

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Florida Keys

Popular cities in Florida Keys

Flights to New Yorkfrom $39

Flights to Los Angelesfrom $37

Flights to Miamifrom $58

Flights to Chicagofrom $59

Flights to Orlandofrom $54

Flights to Las Vegasfrom $35

Flights to San Franciscofrom $49

Flights to Washington, D.C.from $49

Flights to Bostonfrom $77

Flights to Atlantafrom $29

Flights to Dallasfrom $55

Flights to Seattlefrom $93

Cheap flights from Boston to Florida Keys from $40

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Florida Keys departing on 8/23. 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 Boston to Florida Keys

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

American Airlines flights from Boston to Florida Keys

Our best American Airlines deals on Boston to Florida Keys flight tickets

Spirit Airlines flights from Boston to Florida Keys

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

momondo Fare Finder

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

See travel insights to Florida Keys from

How to get the cheapest flight ticket from Boston 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 Boston averaging around $198.

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

The cheapest day to depart from Boston to Florida Keys is on a Thursday when prices can be found for as low as $401. The most expensive day to fly to Florida Keys is Wednesday, with ticket prices averaging around $491.

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

What is the cheapest Boston Logan Intl to Florida Keys flight route?

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

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

What cabin class options are available on Boston Logan Intl to Florida Keys flights?

There are 3 cabin classes available to choose from on Boston Logan Intl 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 Boston to Florida Keys flights?

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

What is the cheapest airline that flies from Boston Logan Intl to Florida Keys?

Spirit Airlines, Frontier, and Delta are the most popular carriers operating from Boston Logan Intl to Florida Keys

What airlines fly to Florida Keys?

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

As of July 2025, 174 flights take off from Boston and land in Florida Keys each week. The most common flight departure day for this route is Thu, with 21% of weekly flights taking off on this day.

Cheap Boston to Florida Keys flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Florida Keys

When did momondo last update prices for flights from Boston Logan Intl Airport to Florida Keys?

How many operators does momondo search for flights from Boston Logan Intl Airport to Florida Keys?

How old do you have to be to fly from Boston Logan Intl Airport to Florida Keys?

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

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

Best airlines flying from Boston to Florida Keys

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

Why use momondo?

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

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

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

I’m not ready to book a flight from Boston 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