Cheap Flights from Boston, MA to Key West, FL from $157

Return flight: Key West – Boston

On Cheapflightsplus.com you will find 58 connecting flights from Boston to Key West. You can compare airfare deals from 1 airlines and multiple travel sites from $157, book and save on cheap plane tickets and last minute offers. Also check out BOS-EYW flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Boston to Key West Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $157 (one-way), $269 (round-trip).
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Full flight schedule will help you in detecting at what time planes fly from Boston to Key West. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
05:45 — 11:39
05:45 — 07:31 UA1734 United Airlines
Boston — Washington D.C.
54m stop
09:00 — 12:14 UA6217 United Airlines
Washington D.C. — Key West
5h 54m
including layover
Find flight
from$158
06:00 — 15:01
06:00 — 07:56 UA1414 United Airlines
Boston — Chicago
2h 59m stop
10:55 — 15:01 UA325 United Airlines
Chicago — Key West
9h 1m
including layover
Find flight
from$157
06:00 — 14:49
06:00 — 08:03 UA1414 United Airlines
Boston — Chicago
2h 32m stop
10:36 — 14:50 UA2070 United Airlines
Chicago — Key West
8h 49m
including layover
Find flight
from$169
07:12 — 13:11
07:30 — 08:58 UA570 United Airlines
Boston — Newark
1h 5m stop
08:25 — 11:50 UA1822 United Airlines
Newark — Key West
5h 59m
including layover
Find flight
from$189
05:45 — 14:49
05:45 — 07:31 UA1734 United Airlines
Boston — Washington D.C.
54m stop
08:25 — 09:44 UA2440 United Airlines
Washington D.C. — Chicago
51m stop
10:36 — 14:50 UA2070 United Airlines
Chicago — Key West
9h 4m
including layover
Find flight
from$174
07:30 — 18:55
07:30 — 08:58 UA570 United Airlines
Boston — Newark
1h 2m stop
10:00 — 13:10 UA403 United Airlines
Newark — Miami
4h 40m stop
17:50 — 18:55 UA3094 United Airlines
Miami — Key West
11h 25m
including layover
Find flight
from$256
09:00 — 18:55
09:00 — 10:25 UA515 United Airlines
Boston — Newark
2h 10m stop
12:35 — 15:42 UA1729 United Airlines
Newark — Miami
2h 8m stop
17:50 — 18:55 UA3094 United Airlines
Miami — Key West
9h 55m
including layover
Find flight
from$274
09:35 — 18:55
09:35 — 11:21 UA2098 United Airlines
Boston — Washington D.C.
1h 51m stop
13:12 — 16:03 UA761 United Airlines
Washington D.C. — Miami
1h 47m stop
17:50 — 18:55 UA3094 United Airlines
Miami — Key West
9h 20m
including layover
Find flight
from$275
11:32 — 09:15
+1 day
11:32 — 13:01 UA592 United Airlines
Boston — Newark
3h 4m stop
15:35 — 18:38 UA763 United Airlines
Newark — Tampa
12h 52m stop
08:00 — 09:15 UA3135 United Airlines
Tampa — Key West
21h 43m
including layover
Find flight
from$275
11:32 — 09:15
+1 day
11:32 — 13:01 UA592 United Airlines
Boston — Newark
2h 9m stop
14:40 — 17:43 UA2301 United Airlines
Newark — Tampa
13h 47m stop
08:00 — 09:15 UA3135 United Airlines
Tampa — Key West
21h 43m
including layover
Find flight
from$275
14:00 — 09:15
+1 day
13:53 — 15:30 UA2454 United Airlines
Boston — Newark
1h 28m stop
16:29 — 19:32 UA2280 United Airlines
Newark — Tampa
11h 52m stop
08:00 — 09:15 UA3135 United Airlines
Tampa — Key West
19h 15m
including layover
Find flight
from$232
14:00 — 09:15
+1 day
13:53 — 15:30 UA2454 United Airlines
Boston — Newark
2h 28m stop
18:00 — 21:03 UA2471 United Airlines
Newark — Tampa
10h 52m stop
08:00 — 09:15 UA3135 United Airlines
Tampa — Key West
19h 15m
including layover
Find flight
from$232
15:57 — 10:10
+1 day
15:57 — 17:30 UA1977 United Airlines
Boston — Newark
1h 29m stop
18:59 — 21:58 UA1695 United Airlines
Newark — Orlando
10h 47m stop
08:45 — 10:10 UA3075 United Airlines
Orlando — Key West
18h 13m
including layover
Find flight
from$271
15:57 — 14:20
+1 day
15:57 — 17:30 UA1977 United Airlines
Boston — Newark
1h 29m stop
18:59 — 21:58 UA1695 United Airlines
Newark — Orlando
14h 57m stop
12:55 — 14:20 UA3071 United Airlines
Orlando — Key West
22h 23m
including layover
Find flight
from$271
17:21 — 09:15
+1 day
17:21 — 19:00 UA3443 United Airlines
Boston — Newark
1h 15m stop
20:15 — 23:18 UA212 United Airlines
Newark — Tampa
8h 42m stop
08:00 — 09:15 UA3135 United Airlines
Tampa — Key West
15h 54m
including layover
Find flight
from$275
17:21 — 10:10
+1 day
17:21 — 19:00 UA3443 United Airlines
Boston — Newark
1h 7m stop
20:07 — 23:06 UA1695 United Airlines
Newark — Orlando
9h 39m stop
08:45 — 10:10 UA3075 United Airlines
Orlando — Key West
16h 49m
including layover
Find flight
from$307
19:38 — 10:10
+1 day
19:38 — 21:25 UA2136 United Airlines
Boston — Washington D.C.
1h stop
22:30 — 00:54 UA689 United Airlines
Washington D.C. — Orlando
7h 56m stop
08:45 — 10:10 UA3075 United Airlines
Orlando — Key West
14h 32m
including layover
Find flight
from$234
19:38 — 14:20
+1 day
19:38 — 21:25 UA2136 United Airlines
Boston — Washington D.C.
1h stop
22:30 — 00:54 UA689 United Airlines
Washington D.C. — Orlando
12h 6m stop
12:55 — 14:20 UA3071 United Airlines
Orlando — Key West
18h 42m
including layover
Find flight
from$234
*Departure and arrival times - local. Updated on November 18, 2024

Flight Information

Below we will explain in detail what the flights cost on the destination from Boston to Key West depends on and how to choose the most interesting flight option for you.

Distance between Boston and Key West is 2213 miles. Time difference between the cities is 0h. Airplanes depart 05:35 to 19:55 from 4 Boston airports and arrive 05:35 to 19:55 to 2 Key West airports. Average flight time is 13h 3m.

  • The fastest flight 5h 46m
  • Average flight time 13h 3m
  • The earliest flight 05:35
  • The latest flight 19:55
  • Distance 1376 ml

The cheapest months to travel to Key West are december (from 157 $), january (from 158 $), february (from 192 $).

The most expensive months are november (from 227 $), february (from 192 $), january (from 158 $).

What is the lowest airfare Boston to Key West?

The cheapest plane ticket found by our users is $157. This airfare is for economy class on one-way UA1414 flight by United Airlines for December 9, 2024 which leaves Logan in Boston at 06:00 am and arrives at Key West Key West Int. at 15:01.

Economy class
$157
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Business class
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First class
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Popular Airlines on the Route

The flight Boston — Key West is served by 1 regular airline . Most of the flights on this route are operated by United Airlines - 58 departures per week at the price of from $ 157 . And the most expensive tickets are offered by United Airlines airline - from $ 710.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 58 flights with layovers on the route. The fastest connecting flight is UA1734 by United Airlines takes 5h 46m and the cheapest is UA1414 by United Airlines for $157.

  • UA - United Airlines
    from $157
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See more connecting flights

Airports

You can fly from Boston to Key West from 4 airports (Boston City Heliport, Boston RT128 Rail, Boston South Rail, Logan).

Boston airports

  • Boston City Heliport-JBC
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  • Boston RT128 Rail-ZRU
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  • Boston South Rail-ZTO
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  • Logan-BOS
    from $157
    Find

Key West airports

  • NAS-NQX
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  • Key West Int.-EYW
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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