Cheapflights Tip: The best prices from Lisbon Humberto Delgado to Boston Logan Intl are usually found in March or October, booked 68 days in advance, depart on a Monday or Tuesday and return on a Wednesday
Find flight deals from Lisbon to Boston
Discover tips and strategies to find the most affordable flight options for your journey from Lisbon (LIS) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 8 August 2026.
Popular in
July
Cheapest in
March
Average price
£644
Highest demand for flights based on searches. 17% potential increase in price (£86 potential increase over avg. return price).
Have a flexible travel schedule? Discover the best time to fly to Boston from Lisbon with our price prediction graph.
LIS-BOS
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Lisbon to Boston
Prices
Airlines
Delays
How far ahead should I book a flight from Lisbon to Boston?
Booking 67 days in advance of your planned departure date is, on average, the best time to get cheap flights from Lisbon to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Lisbon to Boston?
Currently, March is the cheapest month in which you can book a flight from Lisbon to Boston (average of £452). Flying from Lisbon to Boston in July is currently the most expensive (average of £690). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from LIS to BOS?
Find hourly flight availability from Lisbon to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 August 2026.
When flying from Lisbon to Boston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Lisbon to Boston
Explore weekly flight availability from Lisbon to Boston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 8 August 2026.
The most flights from LIS to BOS are scheduled on a Thursday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).
How often are flights from Lisbon to Boston delayed?
About 22% of weekly flights between Lisbon and Boston have experienced delays in the past year, with the average delay time being 127 minutes.
What is the most punctual flight time for Lisbon to Boston flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Lisbon to Boston flights?
Over the past year, Delta have had the lowest number of delays on this route, with just 17% of flights being delayed.
Reviews of airlines servicing Boston
Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated 8 August 2026.
Read through reviews of airlines operating flights from Lisbon to Boston, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Related info for your journey
Find useful and relevant information for your journey from Lisbon to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How popular is this Lisbon to Boston flight route?
Flights from Lisbon Humberto Delgado to Boston Logan Intl have been viewed 1 times in the past calendar month.
What is the cheapest airline to fly from Lisbon to Boston round-trip?
Our cheapest airline available from Lisbon to Boston is Delta. Our recent data shows that you can find tickets from as low as £396 on this airline. Delta is currently priced 26% below the average price you’ll pay for this route.
What are the most reliable airlines from Lisbon to Boston?
Before booking your flight to Boston from Lisbon, check out the most reliable airlines to get you to your destination on time: JetBlue (75%), TAP AIR PORTUGAL (75%), airBaltic( 65%).
Can I find deals for flights from Lisbon to Boston that include hotel bookings?
Yes. In addition to deals on Lisbon to Boston flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Lisbon to Boston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lisbon to Boston.
Can I find deals for business class flights from Lisbon to Boston?
Yes. Cheapflights offers flight deals from Lisbon to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Lisbon to Boston?
Currently, March is the cheapest month in which you can book a flight from Lisbon to Boston (average of £452). Flying from Lisbon to Boston in July is currently the most expensive (average of £690). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Book flights to Boston if you plan to visit one of these locations
Burlington
Canton
North Truro
Waltham
Warwick
Cambridge
Peabody
Wellfleet
Revere
Somerville
Quincy
Chelmsford
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Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 8 August 2026.
Discover the top airline that operate flights from Lisbon to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 8 August 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Lisbon to Boston?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Boston from Lisbon today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Lisbon to Boston?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Lisbon to Boston.
Can Cheapflights find flights from Lisbon to Boston with no change fees?
Need flexible booking options for your flight to Boston from Lisbon? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Lisbon to Boston become cheaper?
Yes! Start tracking prices for Lisbon to Boston flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.
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