Cheap flights from Boston to Philadelphia from £94

If you aren’t able to travel during the month of January, then book flights to Philadelphia from Boston during February instead. Flights to Philadelphia in February, while not as cheap as those in January, still average around £173.

Our data shows that Wednesday is the least expensive day to fly to Philadelphia. Tickets to fly out on this day can be as low as £100. On the other hand, Friday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £320.

The cheapest time of day to fly to Philadelphia is in the morning when flights can be purchased for as low as £250. In the evening is when there is more demand to fly to Philadelphia, so prices are often more expensive at around £316 per ticket.

Fly from Boston Logan Intl to Philadelphia for the best Boston Logan Intl - Philadelphia flight prices

You are more likely to see cheaper flights to Philadelphia from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around £202 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Boston for as low as £119 on momondo.

There are 2 cabin classes available to choose from on Boston to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 16% of flights between Boston and Philadelphia have experienced a delay on any given week. The average delay length over the past 12 months has been 129 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, American Airlines have had the fewest delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

As of September 2026, there are 33 flights per day flying from Boston to Philadelphia. The most common time of day flights depart is 20:00, with 47% of flights taking off in the afternoon.

As of September 2026, there are 233 flights per week flying from Boston to Philadelphia. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.