$444 Cheap Flights from Lisbon (LIS) to Boston (BOS)

Lisbon (LIS) to Boston (BOS) at a glance

Travel from Lisbon (LIS) to Boston (BOS) on this popular international long-haul route, with a variety of options available. Explore flights to Boston from Humberto Delgado Airport, comparing both full-service and low-cost carriers to find an itinerary that aligns with your budget and schedule. With weekly flights to Boston, you can easily discover the city's famous sights and vibrant neighborhoods. Find essential details for your journey from Lisbon to Logan International Airport.

• Fastest flight duration: around 7h 30m non-stop
• Route distance: roughly 3,200 miles (5,150 km)
• Flights per week: around 14 flights with multiple daily departures on average
• Typical fares (one-way): economy tickets often range from $315–$1150, depending on seasonality and how far ahead you book

Flights from Humberto Delgado Airport (LIS) to Logan International Airport (BOS)

Based on recent traveler bookings, here are the most popular airlines flying from Lisbon to Boston, primarily favored for their non-stop and one-stop flights. Common layover options include Joao Paulo II Airport, PDL (approximately 2h 15m layover), Dr. Francisco de Sa Carneiro Airport, OPO (around 1 hour layover), and Barcelona International Airport, BCN (about 1h 30m layover). This variety allows you to customize your journey by balancing price, total travel time, and cabin class to secure the ideal itinerary.

• TAP Portugal: This full-service airline provides both non-stop and one-stop flights, with one-way ticket prices generally between $380 and $1275. It represents around 63% of flights on this route, and travelers can expect a typical non-stop duration of 7 hours and 30 minutes.
• SATA International-Azores Airlines S.A.: Another full-service option, SATA offers non-stop and one-stop services with one-way fares usually falling between $315 and $795. It makes up about 15% of departures, with a common one-stop flight time of 8 hours and 45 minutes, leading to a total journey time of approximately 11 hours.
• Delta: Delta provides non-stop service and has one-way fares ranging from $325 to $3635. This carrier accounts for roughly 8% of departures on this route, and passengers can expect a complete travel time of 7 hours and 30 minutes.
• British Airways: Offering one-stop services, British Airways features one-way fares that typically range from $315 to $875. It comprises about 2% of flights on this route, with an in-flight duration of 8 hours and 45 minutes, resulting in a total travel time near 11 hours, including the layover.
• United: This full-service airline provides one-stop flights, with one-way fare options typically between $730 and $1125. United represents around 2% of departures on this route, featuring an in-flight time of 8 hours and 45 minutes and a total journey duration of about 11 hours, including layover time.

Travelers flying from Lisbon to Boston can opt for an upgraded experience, as both TAP Portugal and Delta offer business class options for this route.

Best time to fly from Lisbon (LIS) to Boston (BOS)

The most popular months for travelers flying from Lisbon to Boston are January, April, and July, when peak temperatures in Boston reach up to 73.6°F in July. If you prefer quieter travel, consider November, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 44.4°F. For better deals, May usually offers the lowest average one-way fare around $587. Flight availability peaks in July, with approximately 20 flights per week, making it easier to find convenient departure times. February has the fewest flights, with approximately 10 flights per week.

• Cheapest time to fly: May usually offers good deals with average one-way fare around $587, roughly 12% cheaper than the yearly average.
• More budget-friendly months to fly: November, December, and September typically offer average one-way fares roughly ranging from $588 to $636.
• Most flight options: July has the highest number of flights from Lisbon to Boston, with approximately 20 flights per week, giving you more flexibility in scheduling your trip.

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

How to find the best prices for flights from Lisbon (LIS) to Boston (BOS)

Getting some of the best deals on flights from Lisbon to Boston is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are typically found when booking 2-8 weeks in advance, although most travelers tend to book at least 2 months ahead. Afternoon departures, from 12 PM to 6 PM, not only provide cheaper fares but are also the most popular flight times. Additionally, flying on Monday generally offers lower prices, while Sunday remains the most popular travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Logan International Airport from Humberto Delgado Airport

Boston welcomes travelers from Lisbon with a range of transport options based on price, convenience, and proximity. Here's how to reach Boston efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Boston, with private rides that can be arranged in advance.
• Car rental: Renting a car from Logan International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Logan International Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Logan International Airport, several key transport links are easily accessible by car. Airport Station, a metro station, is located about 0.9 miles from the airport, while Chelsea Station, a train station, is about 2.8 miles away. Additionally, Boston Seaport, a seaport, is situated around 3.1 miles from the airport.

Lisbon to Boston Flights

The cheapest times to fly from Lisbon to Boston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Lisbon to Boston are during the month of January. You can find some of the cheapest flights from Lisbon to Boston with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Lisbon to Boston

Sunday is one of the best days to book for cheap flights from Lisbon to Boston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Lisbon to Boston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Lisbon to Boston in 2026. You can also book with separate airlines for your outbound and return journeys, from $444 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Lisbon to Boston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Lisbon to Boston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.