Cheap JetBlue Airways flights Newark Liberty Intl. Airport (EWR) to Reykjavik (KEF)

Apply the "Price (lowest to highest)" filter on Expedia to search for cheap JetBlue Airways return flights from EWR to KEF. Affordable one-way options are also on offer.**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.

Getting the best JetBlue Airways deals from EWR to KEF often comes down to timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. As an added bonus, you can pocket 17% on average by buying your fare on a Sunday compared to a Friday, which is usually the most expensive day to book.* It's a good idea to start checking out flights about one month before your departure date.*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.

Filter your results by "Morning" and "Early Morning" to see the earliest departures from EWR to KEF. Heading 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.