British Airways Flights from Boston (BOS) to Lisbon (LIS) from $413

If you're booked with British Airways from Boston, MA (BOS-Logan Intl.) to Lisbon (LIS-Humberto Delgado), you might be able to find out the terminal information when you get your ticket. If not, check with your airline.

If you're traveling with British Airways from Boston, MA (BOS-Logan Intl.) to Lisbon (LIS-Humberto Delgado), you'll have to make a stopover. While you're waiting for your connection, take the chance to pick up a snack or explore the airport shops.

Bring that book on board you've been meaning to read. A flight from Boston, MA (BOS-Logan Intl.) to Lisbon (LIS-Humberto Delgado) with British Airways takes an average of 9 hours and 20 minutes. It'll be enough time to lose yourself in the enthralling plot.

You'll have a great deal of options if you'd prefer to fly with British Airways from BOS to LIS. At the moment, it has roughly 2 flights daily.

For more info about changing your flight to Lisbon (LIS-Humberto Delgado), please visit our Customer Service Portal.

This just in! Airfares offered on Tuesdays tend to be the cheapest, according to flight demand on Travelocity in 2019. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Monday, as data shows the start of the week is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2019, flights departing on a Tuesday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2019 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 1-2 weeks prior to their travel dates.

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2019 saved nearly 50% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2019. Savings are subject to change based on departure location, date and destination.