Cheap Delta flights Philadelphia (PHL) to Boston (BOS)

Finding cheap one-way Delta Air Lines flights from PHL to BOS on Expedia is a breeze — just filter by “Price (lowest to highest).” Or check out our budget-friendly round-trip fares from $137 for your next break.**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.

January is one of the most affordable months to travel to Boston with Delta Air Lines. You could also find great prices on one-way and round-trip fares in February.

Search for cheap Delta Air Lines flights from Philadelphia Intl. Airport (PHL) to Logan Intl. Airport (BOS) one to three months before 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 usually Sunday and the most expensive day is typically 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.

Take off on one of Delta Air Lines’s 19 direct weekly flights from Philadelphia Intl. Airport (PHL) to Logan Intl. Airport (BOS). To see your options, enter your origin, dates and destination and hit search. Then apply the “Nonstop” and “Airline” filters.

It takes approximately 1h 28m to travel nonstop from Philadelphia Intl. Airport (PHL) to Logan Intl. Airport (BOS) with Delta Air Lines.

Thursday has the most Delta Air Lines flights from Philadelphia Intl. Airport (PHL) to Logan Intl. Airport (BOS). With 3 daily departures, this is the best day of the week to book something that will suit your schedule.

The earliest flight from PHL to BOS with Delta Air Lines departs at 6:00AM UTC-5. You’ll land at 7:31AM UTC-5. The final Delta Air Lines flight of the day leaves at 5:40PM UTC-5 and arrives at 7:05PM UTC-5. With around 20% fewer cancellations for morning and mid-morning flights, heading out early is often the wisest option.**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 flights from Philadelphia Intl. Airport (PHL) to Boston come in to Logan Intl. Airport (BOS), T.F. Green Airport (PVD) and Manchester-Boston Regional Airport (MHT). The main Boston hub serviced by this airline is BOS. It’s always worth looking into flights arriving at other nearby airports on Expedia as they may have cheaper fares.

Delta Air Lines makes flying from PHL to BOS enjoyable with a rewarding loyalty program and an excellent in-flight experience. You even have the chance to collect points with Delta SkyMiles. Be sure to sign up to our 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.

For the Philadelphia Intl. Airport (PHL) to Logan Intl. Airport (BOS) route, Delta Air Lines typically flies Embraer 170 and Embraer 175 planes. Don’t forget that last-minute changes are possible for operational purposes, meaning your flight could be on a different aircraft.

Depending on the type of ticket you purchased, a fee typically applies if you change or cancel your flight more than 24 hours after it’s been confirmed. To find tickets with more flexibility, select our “Changes included” and “No cancel fee” boxes when looking for flights. For more information on canceling or changing your reservation, go to “Trips,” select your flight and click on “Manage Booking.”