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

As of March 2026, 156 flights take off from Boston and land in Florida Keys each week. The most common flight departure day for this route is Tue, with 18% of weekly flights taking off on this day.

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 58% of people opting to fly with this airline when traveling to Florida Keys. Keep in mind that there are 6 different airlines that fly to Florida Keys on a routine basis, so you have a few additional options to choose from.

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

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

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

As of March 2026, 22 flights take off from Boston and land in Florida Keys each day. The most common flight departure time for this route is 8:00AM, with 100% of daily flights taking off at noon.

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 March 2026.

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.

$54 Cheap Flights from Boston to Florida Keys in 2026

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Find the cheapest flights from Boston to Florida Keys

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:49 pm - 9:20 pm

BOS

MIA

3h 31mnonstop

10:42 am - 2:01 pm

MIA

BOS

3h 19mnonstop

$88Spirit Airlines

Tue, Apr 14 - Tue, Apr 21

6:01 am - 9:34 am

BOS

MIA

3h 33mnonstop

10:39 am - 1:55 pm

MIA

BOS

3h 16mnonstop

$89Spirit Airlines

Mon, Mar 30 - Wed, Apr 8

6:01 am - 9:34 am

BOS

MIA

3h 33mnonstop

10:00 am - 1:17 pm

MIA

BOS

3h 17mnonstop

$90Spirit Airlines

Wed, Apr 8 - Mon, Apr 20

6:01 am - 9:34 am

BOS

MIA

3h 33mnonstop

10:00 am - 1:17 pm

MIA

BOS

3h 17mnonstop

$91Spirit Airlines

Wed, Apr 8 - Wed, Apr 15

6:01 am - 9:34 am

BOS

MIA

3h 33mnonstop

10:39 am - 1:55 pm

MIA

BOS

3h 16mnonstop

$93Spirit Airlines

Mon, Mar 23 - Fri, Mar 27

6:01 am - 9:34 am

BOS

MIA

3h 33mnonstop

10:00 am - 1:17 pm

MIA

BOS

3h 17mnonstop

$94Spirit Airlines

Tue, Apr 14 - Wed, Apr 22

6:01 am - 9:34 am

BOS

MIA

3h 33mnonstop

3:49 pm - 7:06 pm

MIA

BOS

3h 17mnonstop

$96Spirit Airlines

Thu, Apr 9 - Wed, Apr 15

6:01 am - 9:34 am

BOS

MIA

3h 33mnonstop

10:39 am - 1:55 pm

MIA

BOS

3h 16mnonstop

$97Spirit Airlines

Sun, Mar 29 - Wed, Apr 1

11:46 am - 9:06 am

BOS

EYW

21h 20m

1 stop

1:01 pm - 3:28 pm

EYW

BOS

26h 27m

2 stops

$239Multiple Airlines

Sat, Apr 4 - Tue, Apr 7

5:45 am - 5:39 pm

BOS

EYW

11h 54m

2 stops

6:22 pm - 11:59 pm

EYW

BOS

5h 37m

1 stop

$244United Airlines

Tue, Apr 7 - Thu, Apr 16

Spirit Airlines flights from Boston to Florida Keys

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

Spirit Airlines

Apr 14

BOS5:49 pmBoston Logan Intl

3h 31m

MIA9:20 pmMiami

Apr 21

MIA10:42 amMiami

3h 19m

BOS2:01 pmBoston Logan Intl

$88

Spirit Airlines

Mar 29

BOS6:01 amBoston Logan Intl

3h 33m

MIA9:34 amMiami

Apr 4

MIA10:39 amMiami

3h 16m

BOS1:55 pmBoston Logan Intl

$89

Spirit Airlines

Apr 8

BOS6:01 amBoston Logan Intl

3h 33m

MIA9:34 amMiami

Apr 20

MIA10:00 amMiami

3h 17m

BOS1:17 pmBoston Logan Intl

$90

United Airlines flights from Boston to Florida Keys

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

United Airlines

Apr 7

BOS5:45 amBoston Logan Intl

11h 54m

2 stops

EYW5:39 pmKey West

Apr 16

EYW6:22 pmKey West

5h 37m

1 stop

BOS11:59 pmBoston Logan Intl

$244

United Airlines

Apr 7

BOS5:45 amBoston Logan Intl

11h 54m

2 stops

EYW5:39 pmKey West

Apr 14

EYW6:22 pmKey West

5h 37m

1 stop

BOS11:59 pmBoston Logan Intl

$262

United Airlines

Apr 8

BOS5:45 amBoston Logan Intl

11h 54m

2 stops

EYW5:39 pmKey West

Apr 14

EYW6:22 pmKey West

5h 37m

1 stop

BOS11:59 pmBoston Logan Intl

$277

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Tue 4/14

5:49 pm-9:20 pm

Nonstop3h 31m

Miami

Tue 4/21

10:42 am-2:01 pm

Nonstop3h 19m

$88

Quickest round-trip

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Mon 3/30

6:01 am-9:34 am

Nonstop3h 33m

Miami

Wed 4/8

10:39 am-1:55 pm

Nonstop3h 16m

$89

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Wed 4/8

6:01 am-9:34 am

Nonstop3h 33m

Miami

Mon 4/20

10:00 am-1:17 pm

Nonstop3h 17m

$90

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Wed 4/8

6:01 am-9:34 am

Nonstop3h 33m

Miami

Wed 4/15

10:00 am-1:17 pm

Nonstop3h 17m

$91

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Mon 3/23

6:01 am-9:34 am

Nonstop3h 33m

Miami

Fri 3/27

10:39 am-1:55 pm

Nonstop3h 16m

$93

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Tue 4/14

6:01 am-9:34 am

Nonstop3h 33m

Miami

Wed 4/22

10:00 am-1:17 pm

Nonstop3h 17m

$94

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Thu 4/9

6:01 am-9:34 am

Nonstop3h 33m

Miami

Wed 4/15

3:49 pm-7:06 pm

Nonstop3h 17m

$96

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Sun 3/29

6:01 am-9:34 am

Nonstop3h 33m

Miami

Wed 4/1

10:39 am-1:55 pm

Nonstop3h 16m

$97

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Sat 4/4

11:46 am-9:06 am

1 stop21h 20m

Key West

Tue 4/7

1:01 pm-3:28 pm

2 stops26h 27m

$239

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Tue 4/7

5:45 am-5:39 pm

2 stops11h 54m

Key West

Thu 4/16

6:22 pm-11:59 pm

1 stop5h 37m

$244

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 October is another great option to travel to Florida Keys, with average flight prices from Boston averaging around $228.

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 $396. The most expensive day to fly to Florida Keys is Wednesday, with ticket prices averaging around $446.

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 $270. 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 $502.

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 $259 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 $212 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

Fastest flight time	3h 24m
Direct flights	Every day
Airports in Florida Keys	3 airports

The fastest flight from Boston to Florida Keys takes 3h 24m

Direct flights go from Boston to Florida Keys every day.

There are 3 airports in Florida Keys. From Boston there are direct flights to 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 March 2026.
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 A321-100/200, making up 11.77% of the total bookings. Other popular models include Airbus A321neo with 11.56%, Airbus A220-300 with 11.20%, and Airbus A320-100/200 with 11.10%.

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 $95	Free Cancellation	Rating 6.3 8,513 reviews	Search Spirit Airlines flights
Delta	PriceFrom $148	Free Cancellation	Rating 7.9 8,276 reviews	Search Delta flights
United Airlines	PriceFrom $196	Free Cancellation	Rating 7.4 9,409 reviews	Search United Airlines flights
JetBlue	PriceFrom $220	Free Cancellation	Rating 7.2 2,900 reviews	Search JetBlue flights
American Airlines	PriceFrom $246	Free Cancellation	Rating 7.1 11,414 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.