Boston, MA BOS to Key West, FL EYW Flights

The earliest flight from Boston, MA to Key West, FL leaves at 5: 00AM. Plan your trip with the Journey Planner   from Omio.

The latest flight from Boston, MA to Key West, FL leaves at 7: 35PM.

The cheapest month to travel from Boston, MA to Key West, FL by plane is March.

It's helpful to compare your options as there are 2 ways to travel to Key West, FL from Boston, MA including taking a bus or flight.

Since neither Boston, MA nor Key West, FL are in the Schengen Area, passport requirements depend on the specific immigration rules of USA and USA. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.

The best events to attend in Key West, FL include:

• Fantasy Fest, a vibrant 10-day festival filled with parades, costumes, and themed parties
• Hemingway Days, a celebration of the life and works of Ernest Hemingway featuring literary readings and a look-alike contest
• Key West Lobsterfest, a delicious seafood festival celebrating the start of lobster season with tastings, live music, and local vendors.

The best holidays to experience in Key West, FL include:

• Memorial Day, the unofficial start of summer with vibrant beach activities and local festivities
• Labor Day, a lively atmosphere with end-of-summer celebrations and warm weather
• Independence Day, spectacular fireworks and festive parades showcasing local culture.

The best seasons to visit Key West, FL are Spring or Fall. The best weather to explore Key West, FL is during December-April.

For domestic flights we recommend to arrive 1.5 to 2 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.

Most airlines permit carry-on bags that fit within specific dimensions (e. G. 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.

Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs).
Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you.
Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.

The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.