$105 Cheap United flights Grand Rapids (GRR) to Key West (EYW)

Scoring cheap one-way United Airlines flights from GRR to EYW from $105 on Expedia is a breeze — just filter by “Price (lowest to highest).” Or check out our affordable round-trip fares from $253 for your next exciting getaway.**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 usually more affordable in the off-peak months of September and August. Whether you’re searching for a round-trip or one-way ticket, you could score a better deal then.

Look for cheap United Airlines flights from Gerald R. Ford Intl. Airport (GRR) to Key West Intl. Airport (EYW) one to three months before your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and itinerary, the best day to book a domestic flight is generally Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**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.

Fill in your dates, hit search and use the “Nonstop” filter on Expedia to browse any direct flights from GRR to EYW with United Airlines or another carrier.

Sort your results by “Early Morning” and “Morning” to see the earliest flights from GRR to EYW. Taking off early means you’re 20% 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 hub for United Airlines flights from Gerald R. Ford Intl. Airport (GRR).

With a rewarding loyalty program, United Airlines is a favorite of many passengers journeying from GRR to EYW. Plus, if you’re a United Mileage Plus and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on your ticket type, a fee typically applies if you modify or cancel your booking more than 24 hours after it’s been confirmed. To secure flexible fares, select our “No cancel fee” or “Changes included” filter when looking for flights. To learn more about canceling or changing your reservation, visit “Trips,” select your flight and tick “Manage Booking.”