Cheap flights from Massachusetts to Lisbon from $325

In general, November is the cheapest month to fly from Massachusetts to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $705. If you are unable to visit Lisbon during the month of November, then departing from Massachusetts during the month October is also very affordable. Most momondo users find prices during this month for around $734.

Our data shows that Monday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $795. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Massachusetts to Lisbon for around $903.

The cheapest time of day to fly to Lisbon is in the afternoon when flights can be purchased for as low as $801. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $866 on average. Flights to Lisbon from Massachusetts in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Lisbon from Massachusetts when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $829 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Massachusetts for as low as $715 on momondo.

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

KLM, Delta, and United Airlines are the most popular carriers operating from Massachusetts to Lisbon Humberto Delgado

TAP AIR PORTUGAL, Delta and Air France are the top three most popular airlines that fly to Lisbon from Massachusetts according to our data. TAP AIR PORTUGAL is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 19 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

The number of flights available between Massachusetts and Lisbon is 9 per day as of June 2026. The most frequent departure time is 11:00PM, with 100% of daily flights leaving in the evening.

The number of flights available between Massachusetts and Lisbon is 63 per week as of June 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.