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Cheap Flights from Boston (BOS) to Porto (OPO)

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      Travellers and cabin class, 1 Adult, Economy
      TAP Air Portugal

      Compare Boston Logan International 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 Logan International to Porto

      Looking for a cheap last-minute deal or the best return flight from Boston Logan International Airport to Porto Airport? If you want to travel next month, return fares start from $805. Find the lowest prices on one-way and return tickets right here.
      Porto.$771 per passenger.Departing Sun, 1 Nov, returning Sun, 8 Nov.Return flight with TAP Air Portugal.Outbound direct flight with TAP Air Portugal departs from Boston Logan International on Sun, 1 Nov, arriving in Porto.Inbound direct flight with TAP Air Portugal departs from Porto on Sun, 8 Nov, arriving in Boston Logan International.Price includes taxes and charges.From $771, select.
      Porto.$772 per passenger.Departing Sun, 29 Nov, returning Sun, 6 Dec.Return flight with TAP Air Portugal.Outbound direct flight with TAP Air Portugal departs from Boston Logan International on Sun, 29 Nov, arriving in Porto.Inbound direct flight with TAP Air Portugal departs from Porto on Sun, 6 Dec, arriving in Boston Logan International.Price includes taxes and charges.From $772, select.
      Porto.$774 per passenger.Departing Sun, 25 Oct, returning Sun, 1 Nov.Return flight with TAP Air Portugal.Outbound direct flight with TAP Air Portugal departs from Boston Logan International on Sun, 25 Oct, arriving in Porto.Inbound direct flight with TAP Air Portugal departs from Porto on Sun, 1 Nov, arriving in Boston Logan International.Price includes taxes and charges.From $774, select.
      Porto.$803 per passenger.Departing Tue, 1 Dec, returning Tue, 8 Dec.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Boston Logan International on Tue, 1 Dec, arriving in Porto.Inbound indirect flight with TAP Air Portugal, departs from Porto on Tue, 8 Dec, arriving in Boston Logan International.Price includes taxes and charges.From $803, select.
      Porto.$804 per passenger.Departing Sat, 26 Sep, returning Sun, 1 Nov.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Boston Logan International on Sat, 26 Sep, arriving in Porto.Inbound indirect flight with TAP Air Portugal, departs from Porto on Sun, 1 Nov, arriving in Boston Logan International.Price includes taxes and charges.From $804, select.
      Porto.$805 per passenger.Departing Sun, 20 Sep, returning Wed, 7 Oct.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Boston Logan International on Sun, 20 Sep, arriving in Porto.Inbound indirect flight with TAP Air Portugal, departs from Porto on Wed, 7 Oct, arriving in Boston Logan International.Price includes taxes and charges.From $805, select.
      Porto.$805 per passenger.Departing Mon, 5 Oct, returning Wed, 14 Oct.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Boston Logan International on Mon, 5 Oct, arriving in Porto.Inbound indirect flight with TAP Air Portugal, departs from Porto on Wed, 14 Oct, arriving in Boston Logan International.Price includes taxes and charges.From $805, select.
      Porto.$834 per passenger.Departing Sun, 6 Dec, returning Sun, 13 Dec.Return flight with TAP Air Portugal.Outbound direct flight with TAP Air Portugal departs from Boston Logan International on Sun, 6 Dec, arriving in Porto.Inbound direct flight with TAP Air Portugal departs from Porto on Sun, 13 Dec, arriving in Boston Logan International.Price includes taxes and charges.From $834, select.
      Porto.$839 per passenger.Departing Mon, 5 Apr, returning Wed, 14 Apr.Return flight with TAP Air Portugal.Outbound direct flight with TAP Air Portugal departs from Boston Logan International on Mon, 5 Apr, arriving in Porto.Inbound direct flight with TAP Air Portugal departs from Porto on Wed, 14 Apr, arriving in Boston Logan International.Price includes taxes and charges.From $839, select.
      Porto.$846 per passenger.Departing Tue, 19 Jan, returning Tue, 26 Jan.Return flight with TAP Air Portugal.Outbound direct flight with TAP Air Portugal departs from Boston Logan International on Tue, 19 Jan, arriving in Porto.Inbound direct flight with TAP Air Portugal departs from Porto on Tue, 26 Jan, arriving in Boston Logan International.Price includes taxes and charges.From $846, select.
      Porto.$846 per passenger.Departing Tue, 2 Feb, returning Tue, 9 Feb.Return flight with TAP Air Portugal.Outbound direct flight with TAP Air Portugal departs from Boston Logan International on Tue, 2 Feb, arriving in Porto.Inbound direct flight with TAP Air Portugal departs from Porto on Tue, 9 Feb, arriving in Boston Logan International.Price includes taxes and charges.From $846, select.
      Porto.$846 per passenger.Departing Tue, 26 Jan, returning Tue, 2 Feb.Return flight with TAP Air Portugal.Outbound direct flight with TAP Air Portugal departs from Boston Logan International on Tue, 26 Jan, arriving in Porto.Inbound direct flight with TAP Air Portugal departs from Porto on Tue, 2 Feb, arriving in Boston Logan International.Price includes taxes and charges.From $846, select.
      Porto.$874 per passenger.Departing Sat, 10 Oct, returning Mon, 19 Oct.Return flight with TAP Air Portugal.Outbound direct flight with TAP Air Portugal departs from Boston Logan International on Sat, 10 Oct, arriving in Porto.Inbound direct flight with TAP Air Portugal departs from Porto on Mon, 19 Oct, arriving in Boston Logan International.Price includes taxes and charges.From $874, select.
      Porto.$881 per passenger.Departing Tue, 2 Mar, returning Tue, 9 Mar.Return flight with TAP Air Portugal.Outbound direct flight with TAP Air Portugal departs from Boston Logan International on Tue, 2 Mar, arriving in Porto.Inbound direct flight with TAP Air Portugal departs from Porto on Tue, 9 Mar, arriving in Boston Logan International.Price includes taxes and charges.From $881, select.
      Porto.$881 per passenger.Departing Wed, 5 May, returning Wed, 12 May.Return flight with TAP Air Portugal.Outbound direct flight with TAP Air Portugal departs from Boston Logan International on Wed, 5 May, arriving in Porto.Inbound direct flight with TAP Air Portugal departs from Porto on Wed, 12 May, arriving in Boston Logan International.Price includes taxes and charges.From $881, select.
      Porto.$884 per passenger.Departing Wed, 28 Apr, returning Wed, 5 May.Return flight with TAP Air Portugal.Outbound direct flight with TAP Air Portugal departs from Boston Logan International on Wed, 28 Apr, arriving in Porto.Inbound direct flight with TAP Air Portugal departs from Porto on Wed, 5 May, arriving in Boston Logan International.Price includes taxes and charges.From $884, select.

      Find the cheapest month to fly from Boston Logan International to Porto

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boston Logan International to Porto flights are currently cheapest in November.
      Sep
      from $925
      Oct
      from $805
      Nov
      from $771
      Dec
      from $803
      Jan
      from $846
      Feb
      from $846
      Mar
      from $881
      Apr
      from $839
      May
      from $881
      Jun
      from $1,113
      Jul
      from $1,191
      Aug
      from $1,186

      Direct flights from Boston Logan International to Porto

      TAP Air Portugal

      Boston Logan International to Porto: Alternative routes

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

      Porto

      12km from central Porto
      ClosestCheapest
      from $771
      Search flights

      Vila Real

      76km from central Porto
      Search flights

      Viseu G. Lobato

      81km from central Porto
      Search flights

      Boston to Porto: Flight information

      The things to know before you go.
      Cheapest flight found$771
      Cheapest month to flyNovember
      Average flight time6 hrs, 38 mins
      Most popular airlineTAP Air Portugal
      Average flights per week4

      Finding cheap flights from Boston Logan International to Porto: Frequently asked questions

      The best price we found for a return flight from Boston Logan International to Porto is $771. 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 Logan International to Porto.
      TAP Air Portugal flies direct from Boston Logan International to Porto.
      As of September 2026, there are 4 flights per week flying from Boston Logan International to Porto.
      The cheapest month to fly from Boston Logan International to Porto is usually November.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boston Logan International Airport to Porto Airport on Sunday, 1 November 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.

      Currently, TAP Air Portugal offers the cheapest flight tickets to Porto.

      Flying from Boston Logan International Airport (BOS) to Porto Airport (OPO): what you need to know

      • The average duration of a direct flight from Boston Logan International Airport to Porto Airport is 6 hours 40 minutes.

      • Porto is five hours ahead of Boston and follows the UTC+0 timezone.

      • Every week, there are three Boston Logan International Airport to Porto Airport flights. If you want to jet off as early as possible, jump on the 23:00 TAP Air Portugal flight. If you're eager to make the most of your day before flying, the latest flight is at 23:15 with TAP Air Portugal.

      • To ensure you get on your BOS to OPO flight, leave enough time to navigate the airport and find your gate. Turning up two hours before international departures and one hour before domestic flights is the general travel rule.

      • You'll likely experience bigger queues during popular months like July. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a wise move.

      • TAP Air Portugal is your gateway to exploring Porto (and maybe even some other exciting parts of Portugal!). Browse the direct flights from Boston Logan International Airport to Porto Airport offered by this popular carrier.

      • TAP Air Portugal is the top choice for travellers on this route.

      • The carrier with the most consistent on-time arrival rate for BOS to OPO flights is TAP Air Portugal.

      • We make it a breeze to book a flight with a stopover. To see all your options for tickets from Boston Logan International Airport to Porto Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to visit your chosen city. Some great stopovers between BOS and OPO include:

        • New York John F. Kennedy Airport

        • Madrid Airport

        • New York Newark Airport

      How to find the cheapest flights from Boston Logan International Airport (BOS) to Porto Airport (OPO)

      • Right now, $288 is the cheapest price we've seen for a one-way Boston Logan International Airport to Porto Airport flight. The best price for a return plane ticket is $771. Remember that fares may change due to demand at the time of booking.

      • To find cheap tickets from BOS to OPO, book as early as you can. Airlines typically offer their best fares when flights are first released.

      • May is the cheapest month for flights from Boston Logan International Airport to Porto Airport. If you're looking to fly at a different time of year, the 'Whole month' tool will give you the lowest airfares for every month.

      • Snapping up cheap flights from BOS to OPO couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch when fares go down.

      • Discover the perfect flight for you with the help of the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Boston Logan International Airport to Porto Airport, use the 'Sort by' tool. You can also filter results by airline, arrival and departure times, and number of stops.

      Handy information about Boston Logan International Airport (BOS)

      • BOS's address is One Harborside Drive.

      • 75% of flights that take off from Boston Logan International Airport make it to their destination on schedule.

      • To get to Boston Logan International Airport from central Boston, it takes around 20 minutes if you're going by car. This depends on traffic, however. It's approximately 8 kilometres from the airport to the city centre.

      • You can expect a journey time of about 25 minutes when using public transport.

      • Need a handy hotel near BOS? If you're boarding an early flight from Boston Logan International Airport to Porto Airport, these accommodation options will have you sleeping moments from check-in:

      Arriving at Porto Airport (OPO)

      • Consider booking a hotel near OPO if you're taking a late Boston Logan International Airport to Porto Airport flight. Select one of these accommodation options and skip the long transfer:

      • Begin your adventure by picking up a Porto Airport rental car. Grab your wheels from Klass Wagen, Goldcar or Drive & Go and explore beyond Porto's usual tourist stops.

      • To get the best deal, book your ride from Porto Airport about three weeks before you travel.

      Getting from Porto Airport (OPO) to central Porto

      • Porto Airport is approximately 11 kilometres from the centre of Porto. The drive time takes around 20 minutes.

      • Travelling by public transport takes around 30 minutes.

      When to fly to Porto Airport (OPO)

      • It's time to work out your travel dates for your flight from Boston Logan International Airport to Porto Airport. August is the most popular month to visit Porto. If you like a quieter vibe, go in March.

      • Book your flight from Boston Logan International Airport to Porto Airport for August if you want to explore Porto during its warmest month. You can expect temperatures of between 14ºC (57ºF) and 32ºC (90ºF).

      • If you like cooler conditions, look for a cheap ticket from BOS to OPO in January. Temperatures average between 3ºC (37ºF) and 14ºC (57ºF) then.

      Explore more of Portugal

      • Porto has loads to offer, but there are so many other parts of Portugal you'll want to see. About 274 kilometres south of Porto, a visit to Lisbon will keep your itinerary packed. Check out popular attractions like Pasteis de Belém, belém and Real Mosteiro de Santa Maria de Belém.

      • If you're ready to explore another major stop in Portugal, consider Amadora, about 274 kilometres south of Porto. Roman Villa, Park Fantasia and Palácio dos Condes da Lousã are key reasons to visit.

      Plan smart, explore more

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      Plan the rest of your trip from Boston to Porto

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.