Cheap Flights from Boston, MA to Key West, FL from $192

Return flight: Key West – Boston
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On Cheapflightsplus.com you will find 2 connecting flights from Boston to Key West. You can compare airfare deals from 1 airlines and multiple travel sites from $192, 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: $192 (one-way), $329 (round-trip).
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Best Flights from Boston to Key West Today

Take a look at the list of non stop flights and flights with layovers from Boston to Key West with the lowest price of $192. Take a look at the list of flights with layovers from Boston to Key West from $192. There’re no direct flights. The fastest connecting flight – 5h 46m.
Price Departure Arrival Flight Duration Airline Flight
from $192
Find flight
05:35
Boston
Logan
 11:21
Key West
Key West Int.
 5h 46m
layover
1h 1m - Washington D.C.
 United Airlines
UA1734
UA1620
from $617
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07:24
Boston
Logan
 16:03
Key West
Key West Int.
 8h 39m
layover
1h 7m - Houston
 United Airlines
UA226
UA6200
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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on February 23, 2025
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
05:35 — 11:21
05:35 — 07:19 UA1734 United Airlines
Boston — Washington D.C.
1h 1m stop
08:20 — 11:21 UA1620 United Airlines
Washington D.C. — Key West
5h 46m
including layover
Find flight
from$192
07:24 — 16:03
07:05 — 10:45 UA226 United Airlines
Boston — Houston
1h 7m stop
12:09 — 16:01 UA6200 United Airlines
Houston — Key West
8h 39m
including layover
Find flight
from$617
*Departure and arrival times - local. Updated on February 23, 2025

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 07:24 from 4 Boston airports and arrive 05:35 to 07:24 to 2 Key West airports. Average flight time is 7h 13m.

  • The fastest flight 5h 46m
  • Average flight time 7h 13m
  • The earliest flight 05:35
  • The latest flight 07:24
  • Distance 1376 ml

The cheapest months to travel to Key West are february (from 192 $), january (from 617 $).

What is the lowest airfare Boston to Key West?

The cheapest plane ticket found by our users is $192. This airfare is for economy class on one-way UA1734 flight by United Airlines for February 21, 2025 which leaves Logan in Boston at 05:35 am and arrives at Key West Key West Int. at 11:21.

Economy class
$192
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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 - 2 departures per week at the price of from $ 192 . And the most expensive tickets are offered by United Airlines airline - from $ 617.

Direct flights

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

Connecting Flights

There are 2 flights with layovers on the route. The fastest connecting flight is UA1734 by United Airlines takes 5h 46m and the cheapest is UA1734 by United Airlines for $192.

  • UA - United Airlines
    from $192
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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 $192
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Key West airports

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

There are flights to Key West from Boston by 1 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Boston

You may also consider searching for discounted plane tickets to some other popular places from Boston within United States.

Top International Destinations from Boston

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

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.

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