$166 Find Cheap Flights from Boston to Key West - Compare and Save

These are the earliest and latest flight times available from Boston to Key West:

• Earliest: departs at 7:30 am and lands at 11:27 am
• Latest: departs at 9:52 am and lands at 1:49 pm.

The flight takes about 3h 57m.

Two cabin classes are available on flights from Boston to Key West:

• Economy Class
• First Class

A nonstop flight from Boston to Key West takes 3h 57m, covering 1,374 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Boston to Key West range from $333 to $595, with an average of $421 over the past 12 months. Anything below $333 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 15% above the $421 route average. Book 6 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $255 round-trip via Knoxville McGhee Tyson (TYS), compared to $499 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $49–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Airbus A220-300 family is used most often on this route, operated mainly by JetBlue. Other aircraft seen on the route include Embraer 175 variants.

Morning is the busiest departure period on Boston to Key West flights, with 100% of flights leaving in that window. Afternoon departures account for 0%, evening flights for 0%, and night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $347 to $2,081. That means the highest observed fare was about 6x higher than the lowest one.

Two airlines offer in-flight Wi-Fi on Boston to Key West flights:

• JetBlue
• American Airlines

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

One-way fares from Boston to Key West are currently lower than usual. Average one-way flight prices are about $187, which is 11% below the typical average for this route.

Key West Airport (EYW) hosts 5 major car rental companies, with daily rates starting from around $29 for economy cars. Top options include:

• Dollar
• Hertz
• Budget
• Enterprise Rent-A-Car
• Alamo

Flights from Boston to Key West usually depart from Boston Logan Intl (BOS) and arrive at Key West (EYW).

One-stop flights from Boston to Key West most commonly connect through:

• Charlotte Douglas (CLT) - 22% of one-stop connections
• Miami (MIA) - 19% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 15% of one-stop connections
• Washington, D.C. Reagan-National (DCA) - 13% of one-stop connections

Yes. Flexible dates can save you up to 25% on flights from Boston to Key West. Monday is the cheapest departure day at $385 round-trip on average, while Thursday is the most expensive at $507, a difference of $122.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

2 airlines operate flights between Boston and Key West. The airlines offering nonstop flights on this route include:

• JetBlue
• American Airlines

Flying via Charlotte Douglas (CLT) gives the shortest average 1-stop total travel time at 5h 35m, compared with 5h 37m via Miami (MIA) and 5h 50m via Washington, D.C. Reagan-National (DCA).

Some of the most popular sights in Key West are Duval Street, Key West Historic District and Mallory Square. These are among the most viewed places in Key West on KAYAK.

Among airlines operating Boston to Key West flights:

• JetBlue: offers free seat selection
• American Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• JetBlue: a cabin bag and a checked bag in Economy Class
• American Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

On the date you’re set to travel, you should reach BOS at least 1h 30min before your flight is scheduled to take off. Getting to this airport an hour early will enable you clear the airport’s lengthy security lines in time for your flight.

If you drive to BOS, there are several on-site and off-site parking garages you can leave your car at. You should park your car at one of the airport’s off-site parking garages, as these garages charge cheaper rates than the on-site ones.

To travel from EYW to Key West, you can catch a bus or a taxi. If you’d like to travel quickly, you should board one of the taxis that ply this route, whereas if you’d like to travel affordably, you should board a bus. It’s worth noting that although it is a bit more expensive than traveling by bus, traveling by taxi is more appropriate because if you use one, you’ll be dropped out right at the doorstep of your destination of choice.

Key West International Airport has no on-site hotel. However, if you’d like to stay near it, there are various hotels you should consider. They include Hampton Inn Key West, Margaritaville Beach House Key West, and DoubleTree by Hilton Hotel Grand Key Resort.