$99 Cheap Delta flights Newark Liberty Intl. Airport (EWR) to Boston (BOS)

You'll find cheap return Delta Air Lines flights from EWR to BOS by organizing your results from "Price (lowest to highest)" on Expedia. Or look for deals from $99 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.

Start searching one to three months ahead of your departure date to get cheaper fares on Delta Air Lines flights from Liberty Intl. Airport (EWR) to Logan Intl. Airport (BOS). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic trips.*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.

The earliest flight from EWR to BOS with Delta Air Lines leaves at 8:20AM UTC-5. You'll touch down at 9:50AM UTC-5. The final Delta Air Lines flight of the day leaves at 7:29PM UTC-5 and arrives at 8:55PM UTC-5. With around 20% fewer cancellations for morning and mid-morning flights, heading out early is often the best way to go.**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.

Delta Air Lines makes flying from EWR to BOS more enjoyable with an excellent in-flight experience and a rewarding loyalty program. You could even start earning points with Delta SkyMiles. Be sure to sign up to Expedia's free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.