Cheap Flights from Key West, FL to Boston, MA from $190

Return flight: Boston – Key West

On Cheapflightsplus.com you will find 56 connecting flights from Key West to Boston. You can compare airfare deals from 1 airlines and multiple travel sites from $190, book and save on cheap plane tickets and last minute offers. Also check out EYW-BOS flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Key West to Boston 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: $190 (one-way), $326 (round-trip).
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Full flight schedule will help you in detecting at what time planes fly from Key West to Boston. 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
12:20 — 10:20
+1 day
12:20 — 15:00 UA326 United Airlines
Key West — Washington D.C.
17h 45m stop
08:45 — 10:20 UA641 United Airlines
Washington D.C. — Boston
22h
including layover
Find flight
from$558
12:25 — 23:59
12:25 — 15:10 UA6217 United Airlines
Key West — Washington D.C.
7h 14m stop
22:24 — 23:59 UA755 United Airlines
Washington D.C. — Boston
11h 34m
including layover
Find flight
from$535
13:00 — 19:00
12:25 — 15:10 UA6217 United Airlines
Key West — Washington D.C.
1h 40m stop
17:25 — 19:00 UA688 United Airlines
Washington D.C. — Boston
6h
including layover
Find flight
from$233
13:50 — 20:46
13:50 — 16:55 UA1513 United Airlines
Key West — Newark
2h 35m stop
19:30 — 20:46 UA1393 United Airlines
Newark — Boston
6h 56m
including layover
Find flight
from$190
10:00 — 23:59
10:00 — 11:15 UA3135 United Airlines
Key West — Tampa
7h 45m stop
19:08 — 21:25 UA1370 United Airlines
Tampa — Washington D.C.
1h 5m stop
22:24 — 23:59 UA755 United Airlines
Washington D.C. — Boston
13h 59m
including layover
Find flight
from$324
10:00 — 10:51
+1 day
10:00 — 11:15 UA3135 United Airlines
Key West — Tampa
6h 52m stop
18:07 — 20:54 UA279 United Airlines
Tampa — Newark
12h 36m stop
09:30 — 10:51 UA3550 United Airlines
Newark — Boston
24h 51m
including layover
Find flight
from$446
14:00 — 09:50
+1 day
14:00 — 15:15 UA3136 United Airlines
Key West — Tampa
1h 5m stop
16:20 — 19:12 UA2045 United Airlines
Tampa — Newark
13h 20m stop
08:32 — 09:50 UA559 United Airlines
Newark — Boston
19h 50m
including layover
Find flight
from$412
14:00 — 09:50
+1 day
14:00 — 15:15 UA3136 United Airlines
Key West — Tampa
3h 56m stop
19:11 — 21:58 UA2620 United Airlines
Tampa — Newark
10h 34m stop
08:32 — 09:50 UA559 United Airlines
Newark — Boston
19h 50m
including layover
Find flight
from$412
15:05 — 10:20
+1 day
15:05 — 16:30 UA3073 United Airlines
Key West — Orlando
2h 39m stop
19:09 — 21:25 UA1997 United Airlines
Orlando — Washington D.C.
11h 20m stop
08:45 — 10:20 UA641 United Airlines
Washington D.C. — Boston
19h 15m
including layover
Find flight
from$472
15:05 — 23:59
15:05 — 16:30 UA3073 United Airlines
Key West — Orlando
2h 39m stop
19:08 — 21:20 UA1997 United Airlines
Orlando — Washington D.C.
59m stop
22:24 — 23:59 UA755 United Airlines
Washington D.C. — Boston
8h 54m
including layover
Find flight
from$535
16:50 — 09:50
+1 day
16:50 — 19:04 UA6288 United Airlines
Key West — Houston
1h 3m stop
20:07 — 00:30 UA1444 United Airlines
Houston — Newark
8h 2m stop
08:32 — 09:50 UA559 United Airlines
Newark — Boston
17h
including layover
Find flight
from$461
16:50 — 12:05
+1 day
16:50 — 19:04 UA6288 United Airlines
Key West — Houston
1h 3m stop
20:07 — 00:30 UA1444 United Airlines
Houston — Newark
10h 25m stop
10:55 — 12:05 UA1864 United Airlines
Newark — Boston
19h 15m
including layover
Find flight
from$488
18:00 — 14:36
+1 day
18:00 — 19:15 UA3137 United Airlines
Key West — Tampa
13h 40m stop
08:55 — 11:14 UA2331 United Airlines
Tampa — Washington D.C.
1h 46m stop
13:00 — 14:36 UA1347 United Airlines
Washington D.C. — Boston
20h 36m
including layover
Find flight
from$436
*Departure and arrival times - local. Updated on December 21, 2024

Flight Information

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

Distance between Key West and Boston is 2213 miles. Time difference between the cities is 0h. Airplanes depart 10:00 to 18:00 from 2 Key West airports and arrive 10:00 to 18:00 to 4 Boston airports. Average flight time is 15h 11m.

  • The fastest flight 5h 8m
  • Average flight time 15h 11m
  • The earliest flight 10:00
  • The latest flight 18:00
  • Distance 1376 ml

The cheapest months to travel to Boston are january (from 190 $), february (from 270 $), november (from 818 $).

What is the lowest airfare Key West to Boston?

The cheapest plane ticket found by our users is $190. This airfare is for economy class on one-way UA1513 flight by United Airlines for January 22, 2025 which leaves Key West Int. in Key West at 13:50 am and arrives at Boston Logan at 20:46.

Economy class
$190
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Business class
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First class
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Popular Airlines on the Route

The flight Key West — Boston is served by 1 regular airline . Most of the flights on this route are operated by United Airlines - 56 departures per week at the price of from $ 190 . And the most expensive tickets are offered by United Airlines airline - from $ 1196.

Direct flights

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

Connecting Flights

There are 56 flights with layovers on the route. The fastest connecting flight is UA1513 by United Airlines takes 5h 8m and the cheapest is UA1513 by United Airlines for $190.

  • UA - United Airlines
    from $190
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Airports

You can fly from Key West to Boston from 2 airports (NAS, Key West Int.).

Key West airports

  • NAS-NQX
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  • Key West Int.-EYW
    from $190
    Find

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
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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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