Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Boston to Porto
The cheapest flights right now
Boston – Porto
Outbound – Nov 29, 2026
1 stop
9h 50m MAD
Return – Dec 5, 2026
1 stop
11h 0m MAD
$587
yesterday
Boston – Porto
Outbound – Nov 9, 2026
1 stop
10h 20m LIS
Return – Nov 17, 2026
direct
7h 45m $633
3 days ago
Boston – Porto
Outbound – Nov 9, 2026
1 stop
11h 0m LIS
Return – Nov 17, 2026
direct
7h 45m $631
yesterday
Boston – Porto
Outbound – Nov 9, 2026
direct
6h 45m Return – Nov 17, 2026
direct
7h 45m $617
3 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.
Cheapest flight tickets
$457
Average price of a round trip
$565
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
6h41
A flight from Boston to Porto takes on average 6h41.
Best time
December
According to user searches, the ideal month to go to Porto is December.
The best flight deals for a week
Boston – Porto
Outbound – Nov 29, 2026
1 stop
9h 50m MAD
Return – Dec 5, 2026
1 stop
11h 0m MAD
$587
yesterday
Boston – Porto
Outbound – Nov 28, 2026
1 stop
10h 40m DUB
Return – Dec 5, 2026
1 stop
12h 20m PDL
$634
yesterday
Boston – Porto
Outbound – Nov 28, 2026
1 stop
10h 40m DUB
Return – Dec 5, 2026
1 stop
11h 25m LIS
$649
yesterday
Boston – Porto
Outbound – Nov 28, 2026
1 stop
10h 40m DUB
Return – Dec 5, 2026
1 stop
11h 0m MAD
$691
yesterday
* 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.
Tips for finding a cheap flight from Boston to Porto
Check out our tips for booking your flight to Porto (Portugal) from Boston (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is July, with an average flight ticket price of $370 (calculation over the last two years). The most touristic season corresponds to the months of October, August and November.
For the cheapest flights, it is advisable to buy your ticket at least 55 days before the departure date.
The airline offering the cheapest flight tickets is Iberia. A ticket from the airline Iberia to Porto costs on average $560.
The airlines that offer the most flights are TAP Air Portugal and TAP Air Portugal.
Price of flight tickets from Boston to Porto
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $457 to $817
- The average price of a flight ticket is about $565
- Prices are lowest for stays in the month of July
- The month in which booking a ticket is cheaper is: November
info departure city :
Boston, USA
airport :
Boston-Logan International Airport (BOS)
local time :
Boston is a city in the country USA, the time zone is [[timezone]]. In Boston, it is currently {fromLocalTime}, the temperature is on average 10°C, with a minimum of 6°C and a maximum of 16°C.
The city of Boston has 1 airport(s): Boston-Logan
destination info :
Porto, Portugal
airport :
Porto-Francisco Sá-Carneiro Airport (OPO)
local time :
Porto is in the country Portugal, the time zone is [[timezone]]. In Porto, it is currently {toLocalTime}, the temperature is on average 19°C, with a minimum of 15°C and a maximum of 23°C.
The city of Porto has 1 airport(s): Porto-Francisco Sá-Carneiro
Useful info about Porto
What is the least touristic period to go to Porto?
If you want to visit Porto during the least touristic period, choose the month of December.
What is the most popular time to travel to Porto?
In Porto, the most popular month is October. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Boston to Porto?
According to our data, it is recommended to book your flight 55 days before your departure. If you book your flight ticket 8 weeks before your departure, you may find a price below average. The cheapest day to book a flight from Boston to Porto is Monday.
What are the arrival and destination airports when traveling between Boston and Porto?
When you leave, you can leave from Boston-Logan, and you will arrive at Porto-Francisco Sá-Carneiro.
How to reach Boston airport from the city centre?
This information is not available at this time.
Are there other means of transportation to go from Boston to Porto?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Boston and Porto?
In summer, the average temperature is 20°C in Porto and 22°C in Boston. The average rainfall in summer is 28 mm in Porto and 106 mm in Boston. In summer, it is warmer in Boston and it rains less in Porto. In winter, it is colder in Porto and it rains more in Porto.
