What are the cheapest airlines to fly from Florida Keys to Boston one-way?

The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $52. However, be on the lookout for offers from Frontier and Southwest, as they are both options that can get you from Florida Keys to Boston for a low price.

What are the cheapest flights from Florida Keys to Boston?

Looking for the cheapest flight from Florida Keys to Boston? While on average our users pay $683, our data indicates the cheapest price to be $277. The most popular route (Miami - Boston Logan Intl), is priced around $78.

What are the most reliable airlines from Florida Keys to Boston?

Before booking your flight to Boston from Florida Keys, check out the most reliable airlines to get you to your destination on time: American Airlines (65%), Republic Airways (65%), TAP AIR PORTUGAL( 64%).

What are the most popular airlines that fly from Florida Keys to Boston?

The most popular airlines flying from Florida Keys to Boston are American Airlines, JetBlue and Delta. Something to consider prior to booking your flight.

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

To save on the cost of your flight from Florida Keys to Boston, book at least 45 days before your planned departure. Booking around this time can save you about 136% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $182 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $312.

What is the cheapest month to fly from Florida Keys to Boston?

Our data shows that January tends to be the cheapest month to fly to Boston from Florida Keys. Users have commonly found prices around $200 for the month, but tickets can be as low as $37. Due to multiple factors, prepare for potentially higher prices in June.

What airport do you fly into for flights to Boston from Florida Keys?

Boston Logan Intl (BOS) is the airport you will fly into if you book a flight from Florida Keys to Boston. It is only a 2.6 mi journey from Logan Intl (BOS) to Boston’s city center.

Can I find deals for flights from Florida Keys to Boston that include hotel bookings?

Yes. In addition to deals on Florida Keys to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Florida Keys to Boston?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Florida Keys to Boston.

Can I find deals for business class flights from Florida Keys to Boston?

Yes. Cheapflights offers flight deals from Florida Keys to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$52+ Flights from Florida Keys to Boston

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Cheap flight deals from Florida Keys to Boston

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$82 (Booking.com)
One-way from	$52 (Booking.com)
Popular in	April
Cheapest in	September
Average price	$580

Provider with most accurate pricing for Key West-Boston Logan Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Key West-Boston Logan Intl flights.

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From Florida Keys to Boston Logan Intl

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One-way flight from Florida Keys to Boston Logan Intl

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($31 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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Find flight deals from Florida Keys to Boston

Cheapest flights from Florida Keys to Boston
Explore the most affordable flight options available from Florida Keys to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2025.

Sat 4/129:20 pmMIA - BOS

Nonstop3h 25mSpirit Airlines

Tue 4/1510:50 amBOS - MIA

Nonstop3h 32mSpirit Airlines

Deal found 3/31

$82

Sat 4/129:20 pmMIA - BOS

Nonstop3h 25mMultiple Airlines

Sun 4/1310:42 amBOS - MIA

Nonstop3h 40mMultiple Airlines

Deal found 3/31

$89

Sat 4/56:35 amMIA - BOS

Nonstop3h 37mFrontier

Sun 4/1310:42 amBOS - MIA

Nonstop3h 40mFrontier

Deal found 3/31

$98

Wed 5/1412:34 pmMIA - BOS

Nonstop3h 28mAmerican Airlines

Sat 5/173:00 pmBOS - MIA

Nonstop3h 35mAmerican Airlines

Deal found 3/30

$158

Thu 5/17:20 pmMIA - BOS

Nonstop3h 25mDelta

Sun 5/47:10 amBOS - MIA

Nonstop3h 33mDelta

Deal found 3/31

$159

Fri 5/306:00 amMIA - BOS

Nonstop3h 25mJetBlue

Wed 6/46:40 amBOS - MIA

Nonstop3h 36mJetBlue

Deal found 3/31

$167

Fri 5/96:10 pmMIA - BOS

1 stop5h 05mSouthwest

Tue 5/135:35 amBOS - MIA

1 stop6h 45mSouthwest

Deal found 3/31

$177

Thu 4/104:24 pmEYW - BOS

1 stop16h 12mMultiple Airlines

Mon 4/1411:32 amBOS - EYW

2 stops26h 12mMultiple Airlines

Deal found 3/31

$295

Thu 4/104:24 pmEYW - BOS

1 stop16h 12mAllegiant Air

Mon 4/149:26 amBOS - EYW

1 stop28h 18mAllegiant Air

Deal found 3/31

$312

Thu 4/103:06 pmEYW - BOS

1 stop6h 18mAmerican Airlines

Mon 4/147:56 amBOS - EYW

1 stop8h 44mAmerican Airlines

Deal found 3/31

$350

Thu 4/244:04 pmEYW - BOS

1 stop8h 54mUnited Airlines

Mon 4/289:45 amBOS - EYW

2 stops32h 20mUnited Airlines

Deal found 3/31

$395

Thu 4/102:45 pmEYW - BOS

1 stop6h 29mJetBlue

Mon 4/148:20 amBOS - EYW

Nonstop3h 49mJetBlue

Deal found 3/31

$443

Best flights from Florida Keys to Boston
Discover carefully curated flight deals from Florida Keys to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 1, 2025.

Sat 4/129:20 pmMIA - BOS

Nonstop3h 25mSpirit Airlines

Tue 4/1510:50 amBOS - MIA

Nonstop3h 32mSpirit Airlines

Deal found 3/31

$82

Sat 4/126:35 amMIA - BOS

Nonstop3h 37mFrontier

Sun 4/1310:42 amBOS - MIA

Nonstop3h 40mFrontier

Deal found 3/30

$85

Sat 4/129:20 pmMIA - BOS

Nonstop3h 25mMultiple Airlines

Sun 4/1310:42 amBOS - MIA

Nonstop3h 40mMultiple Airlines

Deal found 3/31

$89

Wed 5/1410:30 amMIA - BOS

Nonstop3h 39mAmerican Airlines

Sun 5/185:10 amBOS - MIA

Nonstop3h 27mAmerican Airlines

Deal found 3/30

$158

Thu 5/17:20 pmMIA - BOS

Nonstop3h 25mDelta

Sun 5/47:10 amBOS - MIA

Nonstop3h 33mDelta

Deal found 3/31

$159

Fri 5/306:00 amMIA - BOS

Nonstop3h 25mJetBlue

Wed 6/46:40 amBOS - MIA

Nonstop3h 36mJetBlue

Deal found 3/31

$167

Fri 5/96:10 pmMIA - BOS

1 stop5h 05mSouthwest

Tue 5/135:35 amBOS - MIA

1 stop6h 45mSouthwest

Deal found 3/31

$177

Thu 4/244:04 pmEYW - BOS

1 stop8h 54mUnited Airlines

Mon 4/289:45 amBOS - EYW

2 stops32h 20mUnited Airlines

Deal found 3/31

$395

Tue 4/152:34 pmEYW - BOS

2 stops31h 25mMultiple Airlines

Sat 4/198:56 amBOS - EYW

2 stops23h 17mMultiple Airlines

Deal found 3/31

$375

Tue 4/151:35 pmEYW - BOS

1 stop6h 51mDelta

Sat 4/191:45 pmBOS - EYW

1 stop6h 45mDelta

Deal found 3/31

$453

Tue 4/294:56 pmEYW - BOS

1 stop5h 49mAmerican Airlines

Thu 5/112:59 pmBOS - EYW

1 stop5h 46mAmerican Airlines

Deal found 3/31

$539

Thu 4/241:04 pmEYW - BOS

Nonstop3h 39mJetBlue

Mon 4/288:20 amBOS - EYW

Nonstop3h 49mJetBlue

Deal found 3/31

$883

Last-minute flights from Florida Keys to Boston
Discover last-minute flight deals from Florida Keys to Boston. Data last updated April 1, 2025 and is based on user searches.

Sun 4/66:05 amMIA - BOS

Nonstop3h 37mFrontier

Thu 4/1010:42 amBOS - MIA

Nonstop3h 40mFrontier

Deal found 3/31

$158

Tue 4/811:40 amMIA - BOS

Nonstop3h 23mDelta

Tue 4/228:10 pmBOS - MIA

Nonstop3h 36mDelta

Deal found 3/31

$258

Tue 4/88:25 amMIA - BOS

Nonstop3h 19mAmerican Airlines

Sun 4/138:00 amBOS - MIA

Nonstop3h 36mAmerican Airlines

Deal found 3/31

$300

Tue 4/87:15 amMIA - BOS

2 stops9h 20mSouthwest

Tue 4/156:05 amBOS - MIA

2 stops11h 20mSouthwest

Deal found 3/31

$308

Thu 4/109:20 pmMIA - BOS

Nonstop3h 25mSpirit Airlines

Mon 4/145:50 pmBOS - MIA

Nonstop3h 38mSpirit Airlines

Deal found 3/31

$92

Thu 4/109:20 pmMIA - BOS

Nonstop3h 25mMultiple Airlines

Sun 4/1310:42 amBOS - MIA

Nonstop3h 40mMultiple Airlines

Deal found 3/31

$94

Thu 4/104:24 pmEYW - BOS

1 stop16h 12mMultiple Airlines

Mon 4/1411:32 amBOS - EYW

2 stops26h 12mMultiple Airlines

Deal found 3/31

$295

Thu 4/104:24 pmEYW - BOS

1 stop16h 12mAllegiant Air

Mon 4/149:26 amBOS - EYW

1 stop28h 18mAllegiant Air

Deal found 3/31

$312

Thu 4/103:06 pmEYW - BOS

1 stop6h 18mAmerican Airlines

Mon 4/147:56 amBOS - EYW

1 stop8h 44mAmerican Airlines

Deal found 3/31

$350

Thu 4/104:04 pmEYW - BOS

1 stop8h 54mUnited Airlines

Mon 4/1410:48 amBOS - EYW

2 stops31h 17mUnited Airlines

Deal found 3/31

$437

Thu 4/102:45 pmEYW - BOS

1 stop6h 29mJetBlue

Mon 4/148:20 amBOS - EYW

Nonstop3h 49mJetBlue

Deal found 3/31

$443

Sat 4/129:20 pmMIA - BOS

Nonstop3h 25mSpirit Airlines

Tue 4/1510:50 amBOS - MIA

Nonstop3h 32mSpirit Airlines

Deal found 3/31

$82

One-way flights from Florida Keys to Boston
Search for one-way flight options from Florida Keys to Boston. Find affordable one-way fares based on user searches. Data last updated April 1, 2025.

Thu 4/104:45 pmMIA - BOS

Nonstop3h 24mSpirit Airlines

Deal found 3/31

$52

Sun 4/66:05 amMIA - BOS

Nonstop3h 37mFrontier

Deal found 3/30

$53

Wed 5/77:15 amMIA - BOS

1 stop7h 15mSouthwest

Deal found 4/1

$89

Wed 5/287:35 pmMIA - BOS

Nonstop3h 29mDelta

Deal found 4/1

$90

Fri 5/96:00 amMIA - BOS

Nonstop3h 25mJetBlue

Deal found 4/1

$94

Wed 5/216:15 amMIA - BOS

2 stops11h 19mUnited Airlines

Deal found 4/1

$105

Sun 5/186:43 amMIA - BOS

Nonstop3h 12mAmerican Airlines

Deal found 3/31

$149

Wed 4/165:23 pmEYW - BOS

2 stops25h 20mMultiple Airlines

Deal found 3/31

$157

Fri 5/93:17 pmEYW - BOS

2 stops7h 34mAmerican Airlines

Deal found 3/30

$164

Wed 5/286:25 pmEYW - BOS

1 stop6h 08mDelta

Deal found 3/30

$184

Sun 4/134:24 pmEYW - BOS

1 stop16h 12mAllegiant Air

Deal found 3/31

$189

Fri 4/258:58 amMIA - BOS

2 stops25h 37mMultiple Airlines

Deal found 3/31

$201

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

MiamiBoston

MIA - BOS

MIABOS

Miami

Sat 4/12

9:20 pm-12:45 am

Nonstop3h 25m

Boston Logan Intl

Tue 4/15

10:50 am-2:22 pm

Nonstop3h 32m

$82

MiamiBoston

MIA - BOS

MIABOS

Miami

Sat 4/12

6:35 am-10:12 am

Nonstop3h 37m

Boston Logan Intl

Sun 4/13

10:42 am-2:22 pm

Nonstop3h 40m

$85

MiamiBoston

MIA - BOS

MIABOS

Miami

Sat 4/12

9:20 pm-12:45 am

Nonstop3h 25m

Boston Logan Intl

Sun 4/13

10:42 am-2:22 pm

Nonstop3h 40m

$89

MiamiBoston

MIA - BOS

MIABOS

Miami

Wed 5/14

10:30 am-2:09 pm

Nonstop3h 39m

Boston Logan Intl

Sun 5/18

5:10 am-8:37 am

Nonstop3h 27m

$158

MiamiBoston

MIA - BOS

MIABOS

Miami

Thu 5/1

7:20 pm-10:45 pm

Nonstop3h 25m

Boston Logan Intl

Sun 5/4

7:10 am-10:43 am

Nonstop3h 33m

$159

MiamiBoston

MIA - BOS

MIABOS

Miami

Fri 5/30

6:00 am-9:25 am

Nonstop3h 25m

Boston Logan Intl

Wed 6/4

6:40 am-10:16 am

Nonstop3h 36m

$167

MiamiBoston

MIA - BOS

MIABOS

Miami

Fri 5/9

6:10 pm-11:15 pm

1 stop5h 05m

Boston Logan Intl

Tue 5/13

5:35 am-12:20 pm

1 stop6h 45m

$177

Key WestBoston

EYW - BOS

EYWBOS

Key West

Tue 4/15

2:34 pm-9:59 pm

2 stops31h 25m

Boston Logan Intl

Sat 4/19

8:56 am-8:13 am

2 stops23h 17m

$375

Key WestBoston

EYW - BOS

EYWBOS

Key West

Thu 4/24

4:04 pm-12:58 am

1 stop8h 54m

Boston Logan Intl

Mon 4/28

9:45 am-6:05 pm

2 stops32h 20m

$395

Key WestBoston

EYW - BOS

EYWBOS

Key West

Tue 4/15

1:35 pm-8:26 pm

1 stop6h 51m

Boston Logan Intl

Sat 4/19

1:45 pm-8:30 pm

1 stop6h 45m

$453

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 27 results

Best time to book a flight from Florida Keys to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Florida Keys with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Florida Keys to Boston

What is the cheapest month to book a flight from Florida Keys to Boston?

Currently, January is the cheapest month in which you can book a flight from Florida Keys to Boston (average of $218). Flying from Florida Keys to Boston in July is currently the most expensive (average of $311). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from EOA to BOS?

When flying from Florida Keys to Boston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Florida Keys to Boston

The most flights from zzEOA to BOS are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Boston by month

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Boston

To help decide which airline to fly from Florida Keys to Boston, see what other customers have to say about Alaska Airlines, Southwest and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,820 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,820 reviews

Alaska Airlines

8.0

Very good

9,820 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Southwest

8.0

Very good

4,277 reviews

Alaska Airlines

8.0

Very good

9,820 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

7,898 reviews

Alaska Airlines

8.0

Very good

9,820 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,615 reviews

Alaska Airlines

8.0

Very good

9,820 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

JetBlue

7.3

Good

2,924 reviews

Alaska Airlines

8.0

Very good

9,820 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

What airport do you fly into for flights to Boston from Florida Keys?
Boston Logan Intl (BOS) is the airport you will fly into if you book a flight from Florida Keys to Boston. It is only a 2.6 mi journey from Logan Intl (BOS) to Boston’s city center.
What are the cheapest airlines to fly from Florida Keys to Boston one-way?
The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $52. However, be on the lookout for offers from Frontier and Southwest, as they are both options that can get you from Florida Keys to Boston for a low price.
What are the most reliable airlines from Florida Keys to Boston?
Before booking your flight to Boston from Florida Keys, check out the most reliable airlines to get you to your destination on time: American Airlines (65%), Republic Airways (65%), TAP AIR PORTUGAL( 64%).
What are the cheapest flights from Florida Keys to Boston?
Looking for the cheapest flight from Florida Keys to Boston? While on average our users pay $683, our data indicates the cheapest price to be $277. The most popular route (Miami - Boston Logan Intl), is priced around $78.
Can I find deals for flights from Florida Keys to Boston that include hotel bookings?
Yes. In addition to deals on Florida Keys to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Florida Keys to Boston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Florida Keys to Boston.
Can I find deals for business class flights from Florida Keys to Boston?
Yes. Cheapflights offers flight deals from Florida Keys to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Florida Keys to Boston?
Currently, January is the cheapest month in which you can book a flight from Florida Keys to Boston (average of $218). Flying from Florida Keys to Boston in July is currently the most expensive (average of $311). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Warwick

Marlborough

Waltham

Cambridge

Framingham

Chestnut Hill

Seekonk

Randolph

Brockton

Lowell

West Yarmouth

Woburn

Somerville

Saco

Burlington

Smithfield

Salem

Chelsea

Seabrook

Brookline

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Florida Keys to Boston

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$216	Average$371	FlexibilityNo cancel fee	On-timeN/A
JetBlue	Cheapest$236	Average$512	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$246	Average$327	FlexibilityNo cancel fee	On-time71%

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$52+ Cheap flights from Florida Keys to Boston (BOS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Florida Keys to Boston with Cheapflights

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Cheap flight deals from Florida Keys to Boston

Keep the following information in mind while searching for Florida Keys to Boston flight deals. Data was last updated April 1, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Florida Keys to Boston

Cheapest flights from Florida Keys to BostonExplore the most affordable flight options available from Florida Keys to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2025.

Explore the most affordable flight options available from Florida Keys to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Florida Keys to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Florida Keys with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Florida Keys to Boston

What is the cheapest month to book a flight from Florida Keys to Boston?

What is the cheapest time of day to fly from EOA to BOS?

Find hourly flight availability from Florida Keys to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 1, 2025.

Weekly flight availability from Florida Keys to Boston

Explore weekly flight availability from Florida Keys to Boston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 1, 2025.

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated April 1, 2025.

Related info for your journey

Find useful and relevant information for your journey from Florida Keys to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Boston from Florida Keys?

What are the cheapest airlines to fly from Florida Keys to Boston one-way?

What are the most reliable airlines from Florida Keys to Boston?

What are the cheapest flights from Florida Keys to Boston?

Can I find deals for flights from Florida Keys to Boston that include hotel bookings?

How can I find direct flights from Florida Keys to Boston?

Can I find deals for business class flights from Florida Keys to Boston?

What is the cheapest month to book a flight from Florida Keys to Boston?

Traveling to a place near Florida Keys?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Florida Keys to Boston

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Florida Keys to Boston

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Cheapest flights from Florida Keys to Boston
Explore the most affordable flight options available from Florida Keys to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2025.