United flights to Key West from Boston

Grab affordable round-trip United Airlines flights from BOS to EYW by organising your results from "Price (lowest to highest)" on Expedia. Or search for bargains for a one-way trip.*

*These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

September is one of the least expensive months to get away to Key West with United Airlines. You could also find fantastic deals on one-way and round-trip tickets in August.

Click on the "Nonstop" filter when searching for direct United Airlines flights from BOS to EYW. It's also a great way to compare other carriers servicing the same direct trip.

Key West Intl. Airport (EYW) is the main Key West hub for United Airlines flights from Logan Intl. Airport (BOS).

Typically, you can reschedule or cancel your flight, although there may be a charge if your booking was made over 24 hours ago. Need flexible options? Apply the "Changes included" and "No cancel fee" filters to find flights that won't charge extra if you have to adjust your plans. To modify your booking, go to "Trips," select your flight and click on "Manage Booking" for more details.