Cheap flights from Philadelphia to Portland from $145

The cheapest month to fly to Portland, Maine from Philadelphia is in October. Flight prices, which tend to average around $442, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $442.

On average, the least expensive day to fly to Portland, Maine from Philadelphia is on a Monday. momondo users have found tickets for Monday departures for as low as $433. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Philadelphia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $599.

In the afternoon is the cheapest time of day to fly from Philadelphia to Portland, Maine when you can find flight prices for as low as $479. Flying to Portland, Maine in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $526. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Philadelphia to Portland for the best Philadelphia - Portland flight prices

You are more likely to see cheaper flights to Portland, Maine from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $489 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland, Maine from Philadelphia for as low as $369 on momondo.

There are 3 cabin classes available to choose from on Philadelphia to Portland, Maine flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Philadelphia to Portland, Maine.

As of June 2026, prices for Philadelphia to Portland, Maine flights are approximately 536% more expensive when compared to flights at the same time last year.

Southwest is the most popular carrier operating from Philadelphia to Portland

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

As of June 2026, there are 5 flights per day flying from Philadelphia to Portland, Maine. The most common time of day flights depart is 8:00AM, with 35% of flights taking off at noon.

40 flights are operational weekly from Philadelphia to Portland, Maine as of June 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.