C$399 Cheap Flights from Porto (OPO) to Boston (BOSA)

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Flight deals from Porto to Boston

Looking for a cheap last-minute deal or the best return flight from Porto Airport to Boston? If you want to travel next month, return fares start from C$708. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Porto to Boston

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Porto to Boston flights are currently cheapest in May.

Which airlines fly from Porto to Boston?

Porto to Boston: Flight information

The things to know before you go.
Cheapest flight foundC$399
Cheapest month to flyMay
Average flight time7 hrs, 37 mins
Most popular airlineTAP Air Portugal
Average flights per week5

Finding cheap flights from Porto to Boston: Frequently asked questions

There are 7 airports in Boston: Boston Logan International, Worcester, Manchester, Provincetown, Fall River, Providence, and Portsmouth.
The best price we found for a return flight from Porto to Boston is C$703. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
7 hours and 37 minutes is the average flight time from Porto to Boston.
TAP Air Portugal and airBaltic fly direct from Porto to Boston.
As of May 2026, there are 5 flights per week flying from Porto to Boston.
The cheapest month to fly from Porto to Boston is usually May.
If you're flying from Porto Airport, the cheapest airport near Boston is Boston Logan International – which is 4.5 km away from the centre of Boston. We've found flights into this airport from C$703.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Boston on Thursday, May 21, 2026.
Yes – the average flight time is 7 hours and 37 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Boston but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Boston is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 13°C. July is typically the warmest month in Boston, when it usually averages around 26°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -6°C. The rainiest month is March.
Currently, KLM and TAP Air Portugal offer the cheapest flight tickets to Boston.

How to find cheap flights to Boston from Porto

Looking for cheap tickets from Porto to Boston? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit "search." From Delta Air Lines to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Porto to Boston. And with us, there are no hidden fees – what you see is what you pay.
  • Compare flight deals to Boston from Porto from over 1,000 providers. Then choose the cheapest plane tickets or fastest journeys.
  • Flex your dates to find the best Porto–Boston ticket prices. If you're flexible when it comes to your travel dates, use Skyscanner's "Whole month" tool to find the cheapest month, and even day to fly to Boston from Porto.
  • Set up a Price Alert. You can easily track the fare of your cheap Porto–Boston flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between Porto and Boston? Make sure to tick "Direct flights only" when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business Class flights from Porto and Boston. We scour the Internet for the best Business, Premium Economy and First Class flight fares to Boston, too. Check the difference in price as you search – you might just stumble on a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for Porto to Boston flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save the next time you travel.
  • Combine your flight to Boston from Porto with hotels and car rental

    Once you've secured your cheap flight ticket from Porto to Boston, discover the best prices and exclusive rates for hotels in Boston or nearby. You can also compare hundreds of car rental companies at once so you get the best car rental price for your trip.


Prices shown on this page are estimated lowest prices only. Found in the last 45 days.