$138 Find Cheap Flights from Key West to Boston - Compare and Save

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

• Earliest: departs at 11:54 am and lands at 3:40 pm
• Latest: departs at 2:21 pm and lands at 6:07 pm.

The flight takes about 3h 46m.

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

• Economy Class
• First Class

A nonstop flight from Key West to Boston takes 3h 46m, 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 Key West to Boston range from $332 to $476, with an average of $382 over the past 12 months. Anything below $332 counts as a good deal.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $209 round-trip via Newark (EWR), compared to $440 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $49–$98 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.

Afternoon is the busiest departure period on Key West to Boston flights, with 100% of flights leaving in that window. Morning 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 $316 to $1,888. That means the highest observed fare was about 6x higher than the lowest one.

Two airlines offer in-flight Wi-Fi on Key West to Boston 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 Key West to Boston are currently lower than usual. Average one-way flight prices are about $185, which is 28% below the typical average for this route.

Boston Logan Intl Airport (BOS) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:

• Dollar
• Hertz
• Budget
• Thrifty
• Sixt

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

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

• Atlanta Hartsfield-Jackson (ATL) - 38% of one-stop connections
• Miami (MIA) - 31% of one-stop connections
• Charlotte Douglas (CLT) - 16% of one-stop connections
• Washington, D.C. Reagan-National (DCA) - 6% of one-stop connections

Yes. Flexible dates can save you up to 41% on flights from Key West to Boston. Thursday is the cheapest departure day at $351 round-trip on average, while Sunday is the most expensive at $591, a difference of $240.

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

• JetBlue
• American Airlines

Flying via Miami (MIA) gives the shortest average 1-stop total travel time at 5h 56m, compared with 6h 03m via Washington, D.C. Reagan-National (DCA) and 6h 04m via Charlotte Douglas (CLT).

Some of the most popular sights in Boston are TD Garden, Fenway Park and Boston Common. These are among the most viewed places in Boston on KAYAK.

Among airlines operating Key West to Boston flights:

• JetBlue: offers free seat selection
• American Airlines: 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 in Economy Class class
• American Airlines: a cabin bag in Economy Class class

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