Cheap flights from Philadelphia to Boston from $122

In general, January is the cheapest month to fly from Philadelphia to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $188. If you aren’t able to travel during the month of January, then book flights to Boston from Philadelphia during February instead. Flights to Boston in February, while not as cheap as those in January, still average around $218.

The cheapest day to depart from Philadelphia to Boston is on a Friday when prices can be found for as low as $307. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $564.

According to our data, the cheapest time of day to fly to Boston is in the morning. momondo users have found flights departing from Philadelphia to Boston in the morning for as low as $322. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Boston, so prices are often more expensive at around $791 per ticket.

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

You are more likely to see cheaper flights to Boston from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $251 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Philadelphia for as low as $171 on momondo.

There are 4 cabin classes available to choose from on Philadelphia to Boston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 13% on your flight if you consider stops on a Philadelphia to Boston flight.

As of October 2026, prices for Philadelphia to Boston flights are approximately 107% more expensive when compared to flights at the same time last year.

Southwest, Delta, and JetBlue are the most popular carriers operating from Philadelphia to Boston Logan Intl

United Airlines, American Airlines and JetBlue are the top three most popular airlines that fly to Boston from Philadelphia according to our data. United Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 5 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% of flights between Philadelphia and Boston 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 in the evening have, in the past, seen delays more frequently in comparison.

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

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

The number of flights available between Philadelphia and Boston is 35 per day as of October 2026. The most frequent departure time is 3:00PM, with 42% of daily flights leaving in the afternoon.

As of October 2026, 250 flights take off from Philadelphia and land in Boston each week. The most common flight departure day for this route is Tue, with 22% of weekly flights taking off on this day.