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 59% 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.

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

As of April 2026, 193 flights take off from Boston and land in Florida Keys each week. The most common flight departure day for this route is Sun, with 17% of weekly flights taking off on this day.

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

As of April 2026, 27 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.

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

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

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 April 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.

$71 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

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 1:20 pm

BOS

MIA

7h 20m

1 stop

5:22 pm - 1:24 am

MIA

BOS

8h 02m

1 stop

$134Frontier

Tue, May 5 - Tue, May 5

6:00 am - 4:27 pm

BOS

MIA

10h 27m

1 stop

5:22 pm - 1:24 am

MIA

BOS

8h 02m

1 stop

$146Frontier

Tue, May 5 - Tue, May 12

6:00 am - 1:20 pm

BOS

MIA

7h 20m

1 stop

11:06 am - 8:44 am

MIA

BOS

21h 38m

1 stop

$147Multiple Airlines

Tue, May 5 - Fri, May 8

9:12 am - 4:27 pm

BOS

MIA

7h 15m

1 stop

5:26 pm - 1:27 am

MIA

BOS

8h 01m

1 stop

$153Frontier

Tue, Jun 2 - Wed, Jun 10

12:01 pm - 5:10 pm

BOS

MIA

29h 09m

1 stop

5:22 pm - 1:24 am

MIA

BOS

8h 02m

1 stop

$155Multiple Airlines

Sat, May 9 - Tue, May 12

6:00 am - 4:27 pm

BOS

MIA

10h 27m

1 stop

11:23 am - 1:24 am

MIA

BOS

14h 01m

1 stop

$157Frontier

Tue, Jun 2 - Wed, Jun 3

6:00 am - 1:20 pm

BOS

MIA

7h 20m

1 stop

5:22 pm - 1:24 am

MIA

BOS

8h 02m

1 stop

$158Frontier

Sat, May 9 - Tue, May 12

1:45 pm - 7:10 pm

BOS

EYW

5h 25m

1 stop

7:29 pm - 12:40 am

EYW

BOS

5h 11m

1 stop

$337American Airlines

Thu, Jun 18 - Mon, Jun 22

10:52 am - 7:10 pm

BOS

EYW

8h 18m

2 stops

7:40 pm - 12:59 am

EYW

BOS

5h 19m

1 stop

$338American Airlines

Mon, May 25 - Thu, May 28

9:10 am - 5:23 pm

BOS

EYW

8h 13m

1 stop

7:30 am - 11:42 pm

EYW

BOS

16h 12m

2 stops

$340Delta

Tue, May 12 - Wed, May 20

Delta flights from Boston to Florida Keys

Our best Delta deals on Boston to Florida Keys flight tickets

Delta

May 28

BOS3:20 pmBoston Logan Intl

3h 39m

MIA6:59 pmMiami

Jun 2

MIA7:57 pmMiami

3h 34m

BOS11:31 pmBoston Logan Intl

$197

Delta

May 11

BOS3:20 pmBoston Logan Intl

3h 39m

MIA6:59 pmMiami

May 20

MIA7:57 pmMiami

3h 34m

BOS11:31 pmBoston Logan Intl

$198

Delta

May 4

BOS3:00 pmBoston Logan Intl

7h 48m

1 stop

MIA10:48 pmMiami

May 12

MIA7:57 pmMiami

3h 34m

BOS11:31 pmBoston Logan Intl

$207

Frontier flights from Boston to Florida Keys

Our best Frontier deals on Boston to Florida Keys flight tickets

Frontier

May 5

BOS6:00 amBoston Logan Intl

7h 20m

1 stop

MIA1:20 pmMiami

May 5

MIA5:22 pmMiami

8h 02m

1 stop

BOS1:24 amBoston Logan Intl

$134

Frontier

May 5

BOS6:00 amBoston Logan Intl

10h 27m

1 stop

MIA4:27 pmMiami

May 12

MIA5:22 pmMiami

8h 02m

1 stop

BOS1:24 amBoston Logan Intl

$146

Frontier

Jun 2

BOS9:12 amBoston Logan Intl

7h 15m

1 stop

MIA4:27 pmMiami

Jun 10

MIA5:26 pmMiami

8h 01m

1 stop

BOS1:27 amBoston Logan Intl

$153

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Tue 5/5

6:00 am-1:20 pm

1 stop7h 20m

Miami

Tue 5/5

5:22 pm-1:24 am

1 stop8h 02m

$134

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Tue 5/5

6:00 am-4:27 pm

1 stop10h 27m

Miami

Tue 5/12

5:22 pm-1:24 am

1 stop8h 02m

$146

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Tue 5/5

6:00 am-1:20 pm

1 stop7h 20m

Miami

Fri 5/8

11:06 am-8:44 am

1 stop21h 38m

$147

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Tue 6/2

9:12 am-4:27 pm

1 stop7h 15m

Miami

Wed 6/10

5:26 pm-1:27 am

1 stop8h 01m

$153

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Sat 5/9

12:01 pm-5:10 pm

1 stop29h 09m

Miami

Tue 5/12

5:22 pm-1:24 am

1 stop8h 02m

$155

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Tue 6/2

6:00 am-4:27 pm

1 stop10h 27m

Miami

Wed 6/3

11:23 am-1:24 am

1 stop14h 01m

$157

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Sat 5/9

6:00 am-1:20 pm

1 stop7h 20m

Miami

Tue 5/12

5:22 pm-1:24 am

1 stop8h 02m

$158

Quickest round-trip

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Thu 6/18

1:45 pm-7:10 pm

1 stop5h 25m

Key West

Mon 6/22

7:29 pm-12:40 am

1 stop5h 11m

$337

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Mon 5/25

10:52 am-7:10 pm

2 stops8h 18m

Key West

Thu 5/28

7:40 pm-12:59 am

1 stop5h 19m

$338

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Tue 5/12

9:10 am-5:23 pm

1 stop8h 13m

Key West

Wed 5/20

7:30 am-11:42 pm

2 stops16h 12m

$340

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 $406. The most expensive day to fly to Florida Keys is Tuesday, with ticket prices averaging around $461.

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 $304. 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 $483.

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 from Boston 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 $272 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 $218 on momondo.

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

There are 3 cabin classes available to choose from on Boston 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

Frequently asked questions about flying from Boston to Florida Keys

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 April 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 A321neo, making up 11.57% of the total bookings. Other popular models include Airbus A220-300 with 11.50%, Airbus A321-100/200 with 10.58%, and Airbus A320-100/200 with 9.93%.

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 $123	Free Cancellation	Rating 6.3 8,636 reviews	Search Spirit Airlines flights
Delta	PriceFrom $148	Free Cancellation	Rating 7.9 8,450 reviews	Search Delta flights
United Airlines	PriceFrom $196	Free Cancellation	Rating 7.4 9,643 reviews	Search United Airlines flights
JetBlue	PriceFrom $214	Free Cancellation	Rating 7.2 2,953 reviews	Search JetBlue flights
American Airlines	PriceFrom $246	Free Cancellation	Rating 7.1 11,666 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.