June is by far the best month, wherein you can get cheapest flights for Key West to Boston. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Key West
18:00
Key West International Airport [EYW]
Sun , 08 Nov 2026

Boston
00:58
General Edward Lawrence Logan International Airport [BOS]
Mon, 09 Nov 2026

Key West
13:45
Key West International Airport [EYW]
Sun , 08 Nov 2026

Boston
21:06
General Edward Lawrence Logan International Airport [BOS]
Sun, 08 Nov 2026

Key West
12:45
Key West International Airport [EYW]
Sun , 08 Nov 2026

Boston
16:15
General Edward Lawrence Logan International Airport [BOS]
Sun, 08 Nov 2026

Key West
20:00
Key West International Airport [EYW]
Sun , 08 Nov 2026

Boston
00:46
General Edward Lawrence Logan International Airport [BOS]
Mon, 09 Nov 2026

Key West
07:00
Key West International Airport [EYW]
Sun , 08 Nov 2026

Boston
12:39
General Edward Lawrence Logan International Airport [BOS]
Sun, 08 Nov 2026

Key West
16:05
Key West International Airport [EYW]
Sun , 08 Nov 2026

Boston
23:13
General Edward Lawrence Logan International Airport [BOS]
Sun, 08 Nov 2026

Key West
14:30
Key West International Airport [EYW]
Sun , 08 Nov 2026

Boston
20:22
General Edward Lawrence Logan International Airport [BOS]
Sun, 08 Nov 2026

Key West
16:05
Key West International Airport [EYW]
Mon , 09 Nov 2026

Boston
23:13
General Edward Lawrence Logan International Airport [BOS]
Mon, 09 Nov 2026

Key West
18:00
Key West International Airport [EYW]
Mon , 09 Nov 2026

Boston
00:58
General Edward Lawrence Logan International Airport [BOS]
Tue, 10 Nov 2026

Key West
08:06
Key West International Airport [EYW]
Mon , 09 Nov 2026

Boston
14:33
General Edward Lawrence Logan International Airport [BOS]
Mon, 09 Nov 2026

Key West
20:00
Key West International Airport [EYW]
Mon , 09 Nov 2026

Boston
00:46
General Edward Lawrence Logan International Airport [BOS]
Tue, 10 Nov 2026









