Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Lisbon to Boston
The cheapest flights right now
Lisbon – Boston
Outbound – Nov 27, 2026
direct
7h 44m Return – Dec 4, 2026
direct
6h 25m $801
3 days ago
Lisbon – Boston
Outbound – May 11, 2027
1 stop
12h 20m AMS
Return – May 17, 2027
1 stop
10h 40m CDG
$550
2 days ago
Lisbon – Boston
Outbound – Dec 21, 2026
1 stop
12h 9m PHL
Return – Dec 30, 2026
1 stop
11h 45m PHL
$549
3 days ago
Lisbon – Boston
Outbound – Dec 21, 2026
1 stop
12h 9m PHL
Return – Dec 30, 2026
1 stop
11h 45m PHL
$548
2 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Today’s flight suggestion for Lisbon - Boston
Outbound November 19, 2026 · Inbound November 27, 2026
Today’s suggestion
12:30 PM
LIS 6:25 PM
BOS10h 55m
1 stop
8:00 PM
BOS 6:05 PM +1
LIS17h 5m
1 stop
From $526
6:30 AM
LIS 6:25 PM
BOS16h 55m
1 stop
8:00 PM
BOS 8:05 PM +1
LIS19h 5m
1 stop
From $526
8:20 AM
LIS 6:25 PM
BOS15h 5m
1 stop
8:00 PM
BOS 6:05 PM +1
LIS17h 5m
1 stop
From $526
Cheapest flight tickets
$419
Average price of a round trip
$563
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
7h53
A flight from Lisbon to Boston takes on average 7h53.
Best time
November
According to user searches, the ideal month to go to Boston is November.
Tips for finding a cheap flight from Lisbon to Boston
Check out our tips for booking your flight to Boston (USA) from Lisbon (Portugal) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is March, with an average flight ticket price of $402 (calculation over the last two years). The most touristic season corresponds to the months of November, December and October.
For the cheapest flights, it is advisable to buy your ticket at least 146 days before the departure date.
The airline offering the cheapest flight tickets is Azores Airlines. A ticket from the airline Azores Airlines to Boston costs on average $773.
The airlines that offer the most flights are Air France, Delta Airlines and KLM.
info departure city :
Lisbon, Portugal
airport :
Lisbon-Humberto Delgado Airport (LIS)
local time :
Lisbon is a city in the country Portugal, the time zone is [[timezone]]. In Lisbon, it is currently {fromLocalTime}, the temperature is on average 17°C, with a minimum of 13°C and a maximum of 22°C.
The city of Lisbon has 1 airport(s): Lisbon-Humberto Delgado
destination info :
Boston, USA
airport :
Boston-Logan International Airport (BOS)
local time :
Boston is in the country USA, the time zone is [[timezone]]. In Boston, it is currently {toLocalTime}, the temperature is on average 18°C, with a minimum of 17°C and a maximum of 19°C.
The city of Boston has 1 airport(s): Boston-Logan
Useful info about Boston
What is the least touristic period to go to Boston?
If you want to visit Boston during the least touristic period, choose the month of November.
What is the most popular time to travel to Boston?
In Boston, the most popular month is November. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Lisbon to Boston?
According to our data, it is recommended to book your flight 146 days before your departure. If you book your flight ticket 21 weeks before your departure, you may find a price below average. You can also choose morning flights that are 24% cheaper than afternoon and evening flights. The cheapest day to book a flight from Lisbon to Boston is Tuesday.
What are the arrival and destination airports when traveling between Lisbon and Boston?
When you leave, you can leave from Lisbon-Humberto Delgado, and you will arrive at Boston-Logan.
How to reach Lisbon airport from the city centre?
This information is not available at this time.
Are there other means of transportation to go from Lisbon to Boston?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Lisbon and Boston?
In summer, the average temperature is 22°C in Boston and 21°C in Lisbon. The average rainfall in summer is 106 mm in Boston and 6 mm in Lisbon. In summer, it is warmer in Boston and it rains less in Lisbon. In winter, it is colder in Lisbon and it rains more in Boston.
