466 € Cheap Flights from Boston to Porto

Compare Boston to Porto flight deals

Find the cheapest month or even day of the year to fly to Porto

Book the best Porto fare with no extra fees

Flight deals from Boston to Porto

Looking for a cheap last-minute deal or the best return flight from Boston to Porto Airport? If you want to travel next month, return fares start from 586 €. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Boston to Porto

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

Direct flights from Boston to Porto

Boston to Porto: Alternative routes

Compare routes from Boston to Porto below. You may find an airport to fly into that's cheaper, faster, or easier than Porto.

Boston to Porto: Flight information

The things to know before you go.
Cheapest flight found466 €
Cheapest month to flyOctober
Average flight time6 hrs, 38 mins
Most popular airlineTAP Air Portugal
Average flights per week4

Finding cheap flights from Boston to Porto: Frequently asked questions

The best price we found for a return flight from Boston to Porto is 466 €. 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.
6 hours and 38 minutes is the average flight time from Boston to Porto.
TAP Air Portugal flies direct from Boston to Porto.
As of June 2026, there are 4 flights per week flying from Boston to Porto.
The cheapest month to fly from Boston to Porto is usually October.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Boston to Porto Airport on Wednesday, 14 October 2026.
Yes – the average flight time is 6 hours and 38 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 Porto 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 Porto is around 40 days in advance, so don’t leave your flight to the last minute.

How to find cheap flights to Porto (OPO) from Boston (BOSA)in 2026

Looking for cheap tickets from Boston to Porto? Return tickets start from 466 € and one-way flights to Porto from Boston start from 241 €


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 British Airways 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 Boston to Porto. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to Porto from Boston from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Porto start from 241 € one-way.
  • Set up a Price Alert. You can easily track the fare of your cheap Boston-Porto 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.
  • Flex your dates to find the best BOSA-OPO ticket prices. If you are 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 Porto from Boston.
  • Fly without stops. Only interested in direct flights between Boston and Porto? 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. Airlines that fly direct include: TAP Air Portugal
  • Find the cheapest Business class flights from Boston and Porto. We scour the internet for the best Business, Premium Economy and First Class flight fares to Porto, too. Check the difference in price as you search – you might just chance upon 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 Boston to Porto 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 next time you travel.
  • Flexible on when you travel? The cheapest month to fly from Boston to Porto is October.
  • Search for cheap flights regardless of where you are. To get the best flight booking experience when out and about, download the app and search for plane tickets between Boston and Porto whenever you want.

Combine your flight to Porto from Boston with hotels and car hire

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


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