$169 Cheap Delta flights Newark Liberty Intl. Airport (EWR) to Key West (EYW)

Set the “Price (lowest to highest)” filter on Expedia to search for cheap Delta Air Lines round-trip flights from $231 from EWR to EYW. Affordable one-way options from $169 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.

Delta Air Lines flights to Key West tend to be more affordable in the low-season months of September and August. Whether you’re in search of a one-way or round-trip ticket, you could land a better deal then.

To find cheap Delta Air Lines fares from Liberty Intl. Airport (EWR) to Key West Intl. Airport (EYW), start searching one to three months before your planned departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the overall price. Sunday is usually the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking on a Sunday.**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 select the “Nonstop” filter on Expedia to browse any direct flights from EWR to EYW with Delta Air Lines or other carriers.

Sort your results by “Early Morning” and “Morning” to browse the earliest flights from EWR to EYW. Taking off 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 primary Key West hub for Delta Air Lines flights from Liberty Intl. Airport (EWR).

Traveling from EWR to EYW with Delta Air Lines comes with a range of perks, such as a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to spend on select future travel purchases. That’s in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*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 will generally apply if you modify or cancel your flight more than 24 hours after confirmation. To secure flexible fares, select our “No cancel fee” or “Changes included” filter when you search for flights. For additional information on canceling or modifying your reservation, visit “Trips,” select your flight and click on “Manage Booking.”