Cheap flights from Pennsylvania to Portugal from $328

The cheapest month to fly to Portugal from Pennsylvania is in January. Flight prices, which tend to average around $741, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Portugal from Pennsylvania during March instead. Flights to Portugal in March, while not as cheap as those in January, still average around $746.

According to our data, Tuesday is the cheapest day to fly to Portugal from Pennsylvania. The lowest ticket price found for a Tuesday departure recently was $1,028. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Friday, with ticket prices averaging around $1,235.

Our most recent data shows that the best time of day to fly to Portugal is in the evening. Flights from Pennsylvania to Portugal during this time can be as low as $1,146. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,415 per ticket.

Fly from Philadelphia to Lisbon Humberto Delgado for the best Pennsylvania - Portugal flight prices

You are more likely to see cheaper flights to Portugal from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $1,106 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Pennsylvania for as low as $1,017 on momondo.

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

United Airlines, British Airways, and Delta are the most popular carriers operating from Pennsylvania to Portugal

American Airlines, British Airways and Iberia are the top three most popular airlines that fly to Portugal from Pennsylvania according to our data. American Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 9 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

As of September 2026, there are 4 flights per day flying from Pennsylvania to Portugal. The most common time of day flights depart is 9:00PM, with 100% of flights taking off in the evening.

The number of flights available between Pennsylvania and Portugal is 28 per week as of September 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.