Cheap flights from Boston to Key West from $113
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Key West departing on 7/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Boston to Key West
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Boston and Key West?
What is the cheapest month to fly to Key West?
In general, September is the cheapest month to fly from Boston to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $326. If you are unable to visit Key West during the month of September, then departing from Boston during the month January is also very affordable. Most momondo users find prices during this month for around $336.
What is the cheapest day to depart on your flight to Key West?
On average, the least expensive day to fly to Key West from Boston is on a Saturday. momondo users have found tickets for Saturday departures for as low as $453. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Key West for around $664.
What is the cheapest time of day to depart on your flight to Key West?
According to our data, the cheapest time of day to fly to Key West is at noon. momondo users have found flights departing from Boston to Key West at noon for as low as $443. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly in the morning, with an average ticket price of $502. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Boston Logan Intl to Key West flight route?
Fly from Boston Logan Intl to Key West for the best Boston Logan Intl - Key West flight prices
How far in advance should I book a flight to Key West?
You are more likely to see cheaper flights to Key West from Boston when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $430 when searching 9 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Boston for as low as $349 on momondo.
What cabin class options are available on Boston Logan Intl to Key West flights?
There are 3 cabin classes available to choose from on Boston Logan Intl to Key West flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Boston to Key West flights?
You could potentially save up to 16% on your flight if you consider stops on a Boston to Key West flight.
How have Boston to Key West flight prices changed over time?
As of June 2025, prices for Boston to Key West flights are approximately 34% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Boston Logan Intl to Key West?
American Airlines, Allegiant Air, and United Airlines are the most popular carriers operating from Boston Logan Intl to Key West
What airlines fly to Key West?
American Airlines, JetBlue and Delta are the top three most popular airlines that fly to Key West from Boston according to our data. American Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 5 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.
When to book flights from Boston to Key West
Cheap Boston to Key West (BOS to EYW) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Boston to Key West
Best Price Found | $113 |
|---|---|
Fastest flight time | 3h 38m |
Direct flights | Mon, Wed, Thu, Fri, Sat and Sun |
Airports in Key West | 1 airport |
How far is Boston Logan Intl to Key West by plane?
Key West is 1373.6 mi away from Boston Logan Intl. Flights usually cover this in 3h 38m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Boston Logan Intl Airport to Key West Airport?
Prices for flights from Boston Logan Intl Airport to Key West Airport were last updated today.
How many operators does momondo search for flights from Boston Logan Intl Airport to Key West Airport?
As of June 2025, there are 5 operators available to choose from for flights from Boston Logan Intl Airport to Key West Airport.
How old do you have to be to fly from Boston Logan Intl Airport to Key West Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The travel and health documents you'll need for your trip to Key West Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Key West Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Boston to Key West?
momondo data reveals that the most frequently booked plane model on the route from Boston to Key West is Airbus A220-300, representing 86.21% of all bookings. The subsequent popular models are Embraer 175 at 5.17%, Airbus A321neo at 1.72%, and Airbus A320neo at 0.86%.
What is the most popular airline from Boston to Key West?
momondo data reveals that the most frequently booked airline on the route from Boston to Key West is American Airlines, representing 48% of all bookings. The subsequent popular airlines are JetBlue at 43%, Delta at 5%, and United Airlines at 3%.
Best airlines flying from Boston to Key West
Compare and see reviews for airlines that fly from Boston to Key West with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $66 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $145 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $213 | Free Cancellation | Rating 7.3 2,925 reviews | |||
| PriceFrom $216 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $257 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near Key West?
Book flights to Key West if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Boston to Key West?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Key West for you.
Can I find flights from Boston to Key West with flexible booking policies on momondo?
momondo does allow users to show only those flights to Key West from Boston which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Boston to Key West?
momondo helps you find the best flight between Boston and Key West by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Boston to Key West right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Key West, momondo offers a useful price alert feature which will track prices for flights to Key West from Boston and alert you when they change.