$139 Cheap Delta flights Key West (EYW) to Newark Liberty Intl. Airport (EWR)

You’ll find budget-friendly return Delta Air Lines flights from $249 from EYW to EWR by organizing your results from “Price (lowest to highest)” on Expedia. Or search for deals from $139 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.

Look for one-way or round-trip flights to Newark in January or February. You could find an affordable fare with Delta Air Lines during these off-peak months.

For cheap Delta Air Lines fares from Key West Intl. Airport (EYW) to Liberty Intl. Airport (EWR), start searching one to three months before your planned departure. Securing 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 cost. Sunday is typically the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip 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.

To find out if there’s a direct route from EYW to EWR with Delta Air Lines or any other carriers, use our “Nonstop” filter when looking for flights.

Sort your results by “Morning” and “Early Morning” to find the earliest flights from EYW to EWR. Heading off early means flight cancellations are less likely.**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.

Liberty Intl. Airport (EWR) is the main Newark hub for Delta Air Lines flights from Key West Intl. Airport (EYW).

Delta Air Lines makes traveling from EYW to EWR enjoyable with an excellent in-flight experience and a rewarding loyalty program. You even have the chance to collect points with Delta SkyMiles. Remember to sign up to Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are often free within 24 hours of booking, but your airline may charge you after that time. For further details about altering your flights, go to your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to change your plans without additional charges, tick the “Changes included” or “No cancel fee” filter when organizing your next adventure.