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Cheap Flights from Boston to Key West starting at S$ 136

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Cheapest time to fly from Boston to Key West

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from Boston to Key West

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Jetblue Airways
From S$ 136
American Airlines
From S$ 183
United Airlines
From S$ 200
Frontier Airlines
From S$ 207
Spirit Airlines
From S$ 210
Southwest Airlines
From S$ 365
Delta Air Lines
From S$ 372
ANA airlines

Find more flights and airlines

Alternative Routes from Boston to Key West

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Boston to Key West.

  • Cheapest
    Jetblue Airways
    BOS
    07:26
    3h 49m
    Direct
    EYW
    11:15
    General Edward Lawrence Logan International Airport - Key West International Airport
    Tue, Apr 9Jetblue Airways
    S$ 136
  • Jetblue Airways
    BOS
    07:26
    3h 49m
    Direct
    EYW
    11:15
    General Edward Lawrence Logan International Airport - Key West International Airport
    Tue, Apr 9Jetblue Airways
    S$ 136
    Find More Flights

Frequently Asked Questions

  • When to buy flight tickets from Boston (BOS) to Key West (EYW) the cheapest?

    Airlines adjust prices for flights from Boston to Key West based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much is a flight from Boston (BOS) to Key West (EYW) cost?

    According to Trip.com's data, the lowest price is around S$ 812.
  • How long is a flight from Boston (BOS) to Key West (EYW)?

    It takes about 4 hours 18 minutes to fly from Boston (BOS) to Key West (EYW).
  • What is the transportation method from the main airport to downtown in Key West?

    • The distance from Key West International Airport to downtown is about 2km, by taxi about 20 minutes.
  • What are the most popular airlines that fly from Boston (BOS) to Key West (EYW)?

    Airlines with flights from Boston (BOS) to Key West (EYW): Tap Portugal and Jetblue Airways.
  • What's the most popular airline for direct flights from Boston (BOS) to Key West (EYW)?

    Jetblue Airways operates 1 direct flights from Boston (BOS) to Key West (EYW).
  • How many airports in Key West?

    There are 2 airports near Key West: Key West International Airport and Key West Nas.

Find cheapest flight ticket from Boston to Key West

Cheapest direct flight price

S$ 135

Cheapest return ticket price

S$ 513

Cheapest month

March

Peak season for travel

June