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Flights from Boston to Key West

Find cheap airlines flights from Boston to Key West

Choose from 1 carriers that fly from Boston to Key West, including Jetblue Airways, Enjoy the cheapest tickets on this route with Jetblue Airways.
Jetblue Airways logo Jetblue Airways

Book direct flights from Boston to Key West: One way flights from $98, round trip flights from $234. Find flight deals for the next 3 months below.

      • Cheapest nonstop
        BOS 8:15 AM
        3h 55m
        Nonstop
        EYW 12:10 PM
        Boston - Key West | Sat, Jan 10 | Jetblue Airways
        EYW 1:10 PM
        3h 35m
        Nonstop
        BOS 4:45 PM
        Key West - Boston | Sat, Jan 17 | American Airlines
        $234 $437
        46% OFF
        46% OFF
        $437 $234
      • BOS 8:15 AM
        4h 17m
        Nonstop
        EYW 12:32 PM
        Boston - Key West | Sat, Jan 10 | American Airlines
        EYW 1:10 PM
        3h 35m
        Nonstop
        BOS 4:45 PM
        Key West - Boston | Sat, Jan 17 | American Airlines
        $235 $437
        46% OFF
        46% OFF
        $437 $235
      • BOS 8:00 AM
        3h 53m
        Nonstop
        EYW 11:53 AM
        Boston - Key West | Mon, Nov 17 | Jetblue Airways
        EYW 2:50 PM
        8h 6m
        1 stop
        BOS 10:56 PM
        Key West - Boston | Fri, Nov 21 | American Airlines
        $308 $437
        28% OFF
        28% OFF
        $437 $308
      • BOS 10:15 AM
        7h 8m
        1 stop
        EYW 5:23 PM
        Boston - Key West | Mon, Nov 17 | Delta Air Lines
        EYW 2:50 PM
        8h 6m
        1 stop
        BOS 10:56 PM
        Key West - Boston | Fri, Nov 21 | American Airlines
        $312
        28% OFF
        $437 $312
      • BOS 6:00 AM
        9h 19m
        1 stop
        EYW 3:19 PM
        Boston - Key West | Mon, Nov 17 | United Airlines
        EYW 3:00 PM
        7h 47m
        1 stop
        BOS 10:47 PM
        Key West - Boston | Fri, Nov 21 | United Airlines
        $318
        27% OFF
        $437 $318
      • BOS 6:00 AM
        7h 3m
        1 stop
        EYW 1:03 PM
        Boston - Key West | Sat, Jan 10 | United Airlines
        EYW 1:10 PM
        3h 35m
        Nonstop
        BOS 4:45 PM
        Key West - Boston | Sat, Jan 17 | American Airlines
        $323
        26% OFF
        $437 $323
      • BOS 8:00 AM
        3h 53m
        Nonstop
        EYW 11:53 AM
        Boston - Key West | Fri, Nov 28 | Jetblue Airways
        EYW 7:10 AM
        5h 23m
        1 stop
        BOS 12:33 PM
        Key West - Boston | Tue, Dec 2 | American Airlines
        $328
        25% OFF
        $437 $328
      • BOS 6:59 AM
        8h 29m
        1 stop
        EYW 3:28 PM
        Boston - Key West | Fri, Nov 28 | American Airlines
        EYW 5:31 PM
        6h 19m
        1 stop
        BOS 11:50 PM
        Key West - Boston | Tue, Dec 2 | American Airlines
        $340
        22% OFF
        $437 $340
      • BOS 6:00 AM
        7h 59m
        1 stop
        EYW 1:59 PM
        Boston - Key West | Mon, Nov 17 | American Airlines
        EYW 2:50 PM
        8h 6m
        1 stop
        BOS 10:56 PM
        Key West - Boston | Fri, Nov 21 | American Airlines
        $350
        20% OFF
        $437 $350
      • BOS 9:00 AM
        6h 6m
        1 stop
        EYW 3:06 PM
        Boston - Key West | Mon, Dec 1 | American Airlines
        EYW 12:47 PM
        3h 30m
        Nonstop
        BOS 4:17 PM
        Key West - Boston | Thu, Dec 4 | Jetblue Airways
        $358
        18% OFF
        $437 $358
      • BOS 1:00 PM
        17h 25m
        1 stop
        EYW Invalid Date
        Boston - Key West | Sun, Nov 16 | Normal Airline
        EYW 3:00 PM
        6h
        Nonstop
        BOS 4:00 PM
        Key West - Boston | Tue, Nov 18 | Normal Airline
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | Boston to Key West

The distance between Boston and Key West is about 2,214.25 km. It takes around 5 hours 17 minutes on average to fly from Boston to Key West. The most popular month to Key West is July. The off-season for travel is October.

Cheapest one-way flight price$88
Cheapest round-trip ticket price$234
Off-season for travelOctober
Peak season for travelJuly
Flight distance2,214.25 km
Average flight time5 hours 17 minutes
Popular airlineJetblue Airways

When is the cheapest time to fly from Boston to Key West?

The cheapest time for Boston to Key West flights: Dec 7 to Dec 14 — one way flight prices from $88.

Cheapest flights
From price
Search
  • 916
  • 1623
  • 2330

  • Dec

    307
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • Which airlines offer direct flights from Boston to Key West?

    At the moment, you can catch a nonstop flight from Boston to Key West with the following airlines, including: Jetblue Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 5 hours 17 minutes to fly from Boston (BOS) to Key West (EYW).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Boston to Key West is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 5 flight per week flying from Boston to Key West. You can check the weekly schedule for popular airlines on this route below: Jetblue Airways: S/M/T/W/T/F/S -- B62063 (08:06)
  • The cheapest months to fly from Boston to Key West is October, when demand for travel is lower.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Boston to Key West on November 15, 2025 with Delta Air Lines, with prices starting at $213.
  • You can land at any one of the following hubs in Key West, with Logan International Airport to Key West International Airport (BOS-EYW) is by far the most common option on this route: Key West International Airport (EYW).
  • The time difference between Key West and Boston is 0h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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