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Cheap flights Boston (Logan) to Key West

1 passenger, economy

Cheap flights Boston to Key West

Compare prices, duration and stops

Frontier Airlines
F9 3511
16:52
Boston, Logan (BOS)
Tue, 22 sep
23h 11min
2 stops
16:03
Key West (EYW)
Wed, 23 sep +1
£188
American Airlines
AA 2064
15:08
Boston, Logan (BOS)
Wed, 21 oct
5h 50min
1 stop
20:58
Key West (EYW)
Wed, 21 oct
£143
Breeze Airways
MX 847 Best price
00:37
Boston, Pease Air Force Base (PSM)
Sun, 1 nov
14h 42min
1 stop
15:19
Key West (EYW)
Sun, 1 nov
£83
Jetblue Airways
B6 251
00:35
Boston, Logan (BOS)
Mon, 2 nov
13h 9min
1 stop
13:44
Key West (EYW)
Mon, 2 nov
£157

Low price calendar

September 2026
Price chart (September 2026)
min: £188 · max: £188
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£188
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Cheap flights Boston to Key West

Breeze Airways
Breeze Airways
Sun
Price from
£83
Jetblue Airways
Jetblue Airways
Mon
Price from
£157
Frontier Airlines
Frontier Airlines
Tue
Price from
£188

Popular destinations from Boston

All →
BOS
Boston — Orlando
United States → United States
ORL
from
£17
BOS
Boston — Washington
United States → United States
WAS
from
£29
BOS
Boston — Washington
United States → United States
DCA
from
£29
BOS
Boston — Miami
United States → United States
MIA
from
£29
BOS
Boston — Fort Lauderdale
United States → United States
FLL
from
£30
BOS
Boston — Washington
United States → United States
IAD
from
£33
BOS
Boston — San Juan
United States → Puerto Rico
SJU
from
£40
BOS
Boston — Orlando
United States → United States
MCO
from
£42
BOS
Boston — Orlando
United States → United States
SFB
from
£47

Popular destinations to Key West

All →
TPA
Tampa — Key West
United States → United States
EYW
from
£28
ORL
Orlando — Key West
United States → United States
EYW
from
£35
AVL
Asheville — Key West
United States → United States
EYW
from
£50
ATL
Atlanta — Key West
United States → United States
EYW
from
£55
RDU
Raleigh — Key West
United States → United States
EYW
from
£70
FLL
Fort Lauderdale — Key West
United States → United States
EYW
from
£78
PHL
Philadelphia — Key West
United States → United States
EYW
from
£80
CMH
Columbus — Key West
United States → United States
EYW
from
£86

Cheap flights Boston to Key West

Interesting facts about the route

Flight time

13h 56min

Distance

2 212 km

Average price

£150

Most frequent flight

AA 2064

Passenger reviews

No reviews for this route yet

Internet abroad

eSIM · United States

All plans

change

3 GB

data

30

days

£7

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2 GB

data

15

days

£9

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change

5 GB

data

30

days

£10

Buy

change

3 GB

data

30

days

£12

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change

5 GB

data

30

days

£17

Buy

Frequently Asked Questions

The average ticket price Boston Key West is £150. The cheapest ticket costs £188, operated by Frontier Airlines, flight 3511, departing Boston on 22 September at 16:52, arriving Key West on 23 September at 16:03.
The average flight time is 23 hours 11 minutes.The fastest flight takes 23 hours 11 minutes, flight 3511operated by Frontier Airlines, departing Boston on 22 September at 16:52, arriving Key West on 23 September at 16:03.
Flights on the Boston - Key West route are operated by the following airlines: Jetblue Airways, Frontier Airlines, Breeze Airways.
The distance from Boston to Key West is 2212 km.