$191 Cheap United flights Cincinnati (CVG) to Key West (EYW)

Use the “Price (lowest to highest)” filter on Expedia to look for cheap United Airlines round-trip flights from $211 from CVG to EYW. Affordable one-way fares from $191 are available too.**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.

United Airlines flights to Key West are generally cheaper in the low-season months of September and August. Whether you’re in search of a round-trip or one-way ticket, you could land a better deal then.

Start searching one to three months before your departure to find cheaper fares on United Airlines flights from Cincinnati - Northern Kentucky Intl. Airport (CVG) to Key West Intl. Airport (EYW). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic journeys.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Simply enter your dates, hit search and check the “Nonstop” filter on Expedia to browse any direct flights from CVG to EYW with United Airlines or another carrier.

Filter your results by “Early Morning” and “Morning” to find the earliest flights from CVG to EYW. Leaving early means you’re less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Key West Intl. Airport (EYW) is the main Key West gateway for United Airlines flights from Cincinnati - Northern Kentucky Intl. Airport (CVG).

A rewarding loyalty program and the chance to rack up points through United Mileage Plus are the start of the reasons to travel from CVG to EYW with United Airlines. Plus, when you sign up to Expedia’s free One Key™ program, you can receive OneKeyCash™* on top of any airline loyalty program earnings. It’s yours to spend on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of ticket you purchased, a fee generally applies if you cancel or reschedule your flight more than 24 hours after confirmation. To secure tickets with more flexibility, select our “No cancel fee” or “Changes included” filter when searching for flights. For more information on changing or canceling your reservation, go to “Trips,” select your flight and tick “Manage Booking.”