Cheap flights from Boston to Key West (BOS - EYW)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Boston to Key West are usually found in July or August, booked 26 days in advance, depart on a Tuesday or Monday and return on a Thursday

How to find the cheapest flight from
Boston (BOS) to Key West (EYW)

All the information you need to plan the best BOS to EYW flight in 2021: compare Boston to Key West flight prices with the expected peak season, weather and rainfall in Key West.
BOS - EYW
Price
$270 - $495
EYW
Temperature
77 - 91.4 °F
EYW
Precipitation
1.1 - 6.6 inches

Popular in

February

High demand for flights, 23% potential price rise

Cheapest in

July

Best time to find cheap flights, 30% potential price drop

Round-trip from

$270

From Boston to Key West

One-way from

$118

One-way flight from Boston to Key West

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Boston to Key West?

Monday is generally a great day to depart. Flying on this day could help you save up to 34%.

What is the cheapest month to fly from Boston to Key West?

Flights from Boston to Key West lean towards being more expensive in December. Prices are generally better when you fly from Boston to Key West in August, with the cheapest ticket starting at $217.

When is the cheapest time to fly from Boston to Key West (BOS - EYW)?

It’s optimal to fly from Boston to Key West in the evening. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight in the morning.

Cheap flights from Boston to Key West in August, September 2021

The best prices found for BOS to EYW flights for August, September
18 Aug - 25 Aug
$180pp
BOS
Boston Logan Intl
Multiple Airlines
Non-Stop
EYW
Key West
EYW
Key West
American Airlines
   
2 STOPS
BOS
Boston Logan Intl
5 Aug - 11 Aug
$186pp
BOS
Boston Logan Intl
Multiple Airlines
Non-Stop
EYW
Key West
EYW
Key West
American Airlines
 
1 STOP
BOS
Boston Logan Intl
5 Aug - 9 Aug
$187pp
BOS
Boston Logan Intl
Multiple Airlines
Non-Stop
EYW
Key West
EYW
Key West
American Airlines
 
1 STOP
BOS
Boston Logan Intl

Boston to Key West 2021 flight deals

Cheap flights to Key West from Boston found for this year
18 Aug - 25 Aug
$180pp
BOS
Boston Logan Intl
Multiple Airlines
Non-Stop
EYW
Key West
EYW
Key West
American Airlines
   
2 STOPS
BOS
Boston Logan Intl
5 Aug - 11 Aug
$186pp
BOS
Boston Logan Intl
Multiple Airlines
Non-Stop
EYW
Key West
EYW
Key West
American Airlines
 
1 STOP
BOS
Boston Logan Intl
5 Aug - 9 Aug
$187pp
BOS
Boston Logan Intl
Multiple Airlines
Non-Stop
EYW
Key West
EYW
Key West
American Airlines
 
1 STOP
BOS
Boston Logan Intl

Non-stop flights to Key West from Boston

Save time with Boston to Key West direct flight deals
18 Aug - 25 Aug
$237pp
BOS
Boston Logan Intl
JetBlue
Non-Stop
EYW
Key West
EYW
Key West
JetBlue
Non-Stop
BOS
Boston Logan Intl
11 Aug - 17 Aug
$272pp
BOS
Boston Logan Intl
JetBlue
Non-Stop
EYW
Key West
EYW
Key West
JetBlue
Non-Stop
BOS
Boston Logan Intl
23 Aug - 2 Sep
$282pp
BOS
Boston Logan Intl
JetBlue
Non-Stop
EYW
Key West
EYW
Key West
JetBlue
Non-Stop
BOS
Boston Logan Intl

Last minute flights from Boston to Key West

Late deals on round-trip flights to Key West from Boston, departing today and this week
11 Aug - 17 Aug
$186pp
BOS
Boston Logan Intl
Multiple Airlines
Non-Stop
EYW
Key West
EYW
Key West
American Airlines
 
1 STOP
BOS
Boston Logan Intl
11 Aug - 16 Aug
$187pp
BOS
Boston Logan Intl
Multiple Airlines
Non-Stop
EYW
Key West
EYW
Key West
Delta
 
1 STOP
BOS
Boston Logan Intl
15 Aug - 18 Aug
$190pp
BOS
Boston Logan Intl
Multiple Airlines
Non-Stop
EYW
Key West
EYW
Key West
American Airlines
   
2 STOPS
BOS
Boston Logan Intl

One-way flights to Key West from Boston

The cheapest one-way flights from Boston to Key West
2:20 am - 9:19 am
Delta
1 Stop
6h 59m
BOS - EYW
Delta
$118
Delta
4:30 am - 8:18 am
JetBlue
Nonstop
3h 48m
BOS - EYW
JetBlue
2:00 am - 2:44 pm
American Airlines
2 Stops
12h 44m
BOS - EYW
American Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Boston</span> to <span class="emphasized">Key West</span> flights.

Flight FAQs

From Boston to Key West

What airports do I use to fly from Boston to Key West?

If you book a flight from Boston to Key West, you will be flying from Logan Intl to Key West. Flights to Key West (EYW) from Boston Logan Intl (BOS) take 3h 37m for a nonstop flight. There are 2 flights from Logan Intl to Key West per day from 5 airlines.

Which airlines flying from Boston Logan Intl to Key West have flexible cancellations due to COVID-19?

Some of our airline partners flying from Boston Logan Intl to Key West have new flexible policies in place due to COVID-19. American Airlines, JetBlue, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Can I find flights from Boston to Key West for under $200 on Cheapflights?

Yes, there are multiple flights from Boston to Key West for under $200. The cheapest flight booked recently is on Multiple Airlines for just $180, but on average you can expect to pay $206.

Are there nonstop flights from Boston to Key West for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from Boston to Key West under $300. A good price for a nonstop flight from Boston to Key West is less than $367.

Are there last-minute flights available from Boston to Key West for under $200?

There are currently 20+ open flights from Boston to Key West within the next 7 days for less than $200.

How popular is this flight route?

Flights from Boston Logan Intl to Key West have been viewed 63 times in the past calendar month.

Does it rain more in Boston or Key West?

The rainfall in Boston is generally more than the rainfall in Key West. This will continue over the next 12 days.

Is Boston weather warmer or cooler than Key West?

With an average temperature of 91 °F, peak weather can be found in August. As a traveler, expect to see changes in flight prices during that period. The temperatures in Key West are hotter than in Boston.

What is the cheapest airline for this route?

The cheapest airline for this route is Delta Air Lines, Inc. on average. Delta Air Lines, Inc. operates 295 flight per week

How long is the flight from Boston to Key West?

A quick flight from Boston to Key West can take about 5h 22m. American Airlines provides one of the quickest options available for as low as $238.

What is the cheapest airline to fly from Boston to Key West round-trip?

Cheapflights users have booked flights from Boston to Key West round-trip from $214. American Airlines is 44% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Boston to Key West one-way?

One-way options have recently been found by users for as low as $69 on JetBlue. Other airlines that offer cheap prices include American Airlines from $107 and Delta from $109 one-way.

COVID Restrictions

View COVID Travel Restrictions for Key West, FL

Do I need a COVID test to fly to Key West from Boston?

Information is based on travel restrictions for travel to Key West within the United States

Most visitors from Boston Logan Intl need to provide a negative COVID-19 test result and/or quarantine to enter Key West.

COVID-19 testing requirements
Visitors from Boston Logan Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Key West.

Quarantine requirements
Visitors from Boston Logan Intl are not required to quarantine after entering Key West.

Do I need a test to fly back to Boston from Key West?

Returning to Boston Logan Intl from Key West

COVID-19 testing requirements
Visitors from Key West must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Boston Logan Intl.

Quarantine requirements
Visitors from Key West are not required to quarantine after entering Boston Logan Intl.

Hide COVID Travel Restrictions for Key West, FL

Alternative routes for Boston to Key West

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

Destination information for Key West

Things to know before you go - useful duration and weather info for your trip from Boston to Key West.
Average temperature for August in Key West
91.4 °F
Avg rainfall for August in Key West
5.2 ″

Airports servicing Boston

Airports servicing Key West

Top 4 airlines flying from Boston to Key West

The chart below displays the airlines Cheapflights users traveling from Boston to Key West choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Delta
$147 $420 No cancel fee N/A
JetBlue
$181 $421 No cancel fee 62%
United Airlines
$147 $428 No cancel fee 69%
American Airlines
$161 $496 No cancel fee 71%

Hourly flight availability from Boston to Key West

See what time of day planes typically take off from Boston towards Key West.
Morning 6 AM to noon 100% of BOS to EYW departures
Early morning Midnight to 6 AM 0% of BOS to EYW departures
Afternoon Noon to 6 PM 0% of BOS to EYW departures
Evening 6 PM to midnight 0% of BOS to EYW departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Boston to Key West
See how many times per day planes take to the skies headed from Boston to Key West.
Sunday
2 daily flights
Monday
2 daily flights
Tuesday
2 daily flights
Wednesday
2 daily flights
Thursday
2 daily flights
Friday
2 daily flights
Saturday
2 daily flights
Home North America USA Florida Key West Cheap flights from Boston to Key West