$126 Cheap Delta flights Greenville (GSP) to Key West (EYW)

You can discover budget-friendly return Delta Air Lines flights from $199 from GSP to EYW by sorting your results from “Price (lowest to highest)” on Expedia. Or search for deals from $126 for a one-way journey.**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 fly to Key West with Delta Air Lines. You could also find great deals on one-way and return fares in August.

Look for cheap Delta Air Lines flights from Greenville-Spartanburg Intl. Airport (GSP) to Key West Intl. Airport (EYW) one to three months prior to 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. No matter the fare class and itinerary, the best day of the week 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.

To figure out if there’s a direct journey from GSP to EYW with Delta Air Lines or another airline, use our “Nonstop” filter when looking for tickets.

Browse Delta Air Lines’s earliest flights from GSP to EYW by checking our “Morning” and “Early Morning” filters. Not only will you arrive sooner, early departures are also 20% less likely to be canceled.**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.

Get on a Delta Air Lines flight from Greenville-Spartanburg Intl. Airport (GSP) to Key West, and you’ll most likely come in to Key West Intl. Airport (EYW). This is the airline’s main hub in this destination.

Offering an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is a favorite for many travelers heading from GSP to EYW. What’s more, if you’re a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be put toward future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of fare you purchased, a fee is typically charged if you cancel or reschedule your booking more than 24 hours after it has been confirmed. To find flexible fares, select our “Changes included” and “No cancel fee” boxes while looking for flights. For additional information on modifying or canceling your reservation, head to “Trips,” select your flight and click on “Manage Booking.”