Cheap flights from Massachusetts to Portugal from $229

The cheapest month to fly to Portugal from Massachusetts is in February. Flight prices, which tend to average around $606, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from Massachusetts during November instead. Flights to Portugal in November, while not as cheap as those in February, still average around $628.

According to our data, Tuesday is the cheapest day to fly to Portugal from Massachusetts. The lowest ticket price found for a Tuesday departure recently was $804. 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 Saturday, with ticket prices averaging around $921.

Our most recent data shows that the best time of day to fly to Portugal is in the afternoon. Flights from Massachusetts to Portugal during this time can be as low as $804. In the evening is when there is more demand to fly to Portugal, so prices are often more expensive at around $872 per ticket.

Fly from Boston Logan Intl to Lisbon Humberto Delgado for the best Massachusetts - Portugal flight prices

You are more likely to see cheaper flights to Portugal from Massachusetts when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $835 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Massachusetts for as low as $772 on momondo.

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

LEVEL, Azores Airlines, and TAP AIR PORTUGAL are the most popular carriers operating from Massachusetts to Portugal

TAP AIR PORTUGAL, Azores Airlines and Delta are the top three most popular airlines that fly to Portugal from Massachusetts according to our data. TAP AIR PORTUGAL is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 20 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

The number of flights available between Massachusetts and Portugal is 11 per day as of July 2026. The most frequent departure time is 11:00PM, with 91% of daily flights leaving in the evening.

The number of flights available between Massachusetts and Portugal is 79 per week as of July 2026. The most frequent departure day is Fri, with 20% of weekly flights leaving on this day.