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£267 Cheap Flights from Boston (BOS) to Porto (OPO)

View £267 flight on Wed, 19 Aug 2026Opens in a new window

Popular airlines from Logan International Airport (BOS) to Porto Airport (OPO)

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

Prices were available within the past 7 days and start at £267 for one-way flights and £411 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Mon, 21 Sept - Mon, 28 Sept
BOS
Boston
OPO
Porto
£411 Return, found 3 days ago
£411
Return
found 3 days ago
Select TAP Portugal flight, departing Mon, 21 Sept from Boston to Porto, returning Mon, 28 Sept, priced at £411 found 3 days ago
TAP Portugal
Tue, 2 Feb - Tue, 9 Feb
BOS
Boston
OPO
Porto
£413 Return, found 2 days ago
£413
Return
found 2 days ago
Select TAP Portugal flight, departing Tue, 2 Feb from Boston to Porto, returning Tue, 9 Feb, priced at £413 found 2 days ago
TAP Portugal
Sun, 14 Feb - Sun, 21 Feb
BOS
Boston
OPO
Porto
£414 Return, found 1 day ago
£414
Return
found 1 day ago
Select TAP Portugal flight, departing Sun, 14 Feb from Boston to Porto, returning Sun, 21 Feb, priced at £414 found 1 day ago
SATA International-Azores Airlines S.A.
Tue, 17 Nov - Tue, 24 Nov
BOS
Boston
OPO
Porto
£430 Return, found 2 days ago
£430
Return
found 2 days ago
Select SATA International-Azores Airlines S.A. flight, departing Tue, 17 Nov from Boston to Porto, returning Tue, 24 Nov, priced at £430 found 2 days ago
Air France
Wed, 18 Nov - Wed, 25 Nov
BOS
Boston
OPO
Porto
£476 Return, found 2 days ago
£476
Return
found 2 days ago
Select Air France flight, departing Wed, 18 Nov from Boston to Porto, returning Wed, 25 Nov, priced at £476 found 2 days ago
Swiss International Air Lines
Wed, 25 Nov - Wed, 2 Dec
BOS
Boston
OPO
Porto
£477 Return, found 5 days ago
£477
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, 25 Nov from Boston to Porto, returning Wed, 2 Dec, priced at £477 found 5 days ago
KLM
Wed, 28 Oct - Wed, 4 Nov
BOS
Boston
OPO
Porto
£478 Return, found 17 hours ago
£478
Return
found 17 hours ago
Select KLM flight, departing Wed, 28 Oct from Boston to Porto, returning Wed, 4 Nov, priced at £478 found 17 hours ago
Lufthansa
Tue, 23 Mar - Tue, 30 Mar
BOS
Boston
OPO
Porto
£483 Return, found 4 days ago
£483
Return
found 4 days ago
Select Lufthansa flight, departing Tue, 23 Mar from Boston to Porto, returning Tue, 30 Mar, priced at £483 found 4 days ago
Iberia
Tue, 27 Oct - Tue, 3 Nov
BOS
Boston
OPO
Porto
£494 Return, found 17 hours ago
£494
Return
found 17 hours ago
Select Iberia flight, departing Tue, 27 Oct from Boston to Porto, returning Tue, 3 Nov, priced at £494 found 17 hours ago
Air Canada
Tue, 19 Jan - Tue, 26 Jan
BOS
Boston
OPO
Porto
£496 Return, found 6 days ago
£496
Return
found 6 days ago
Select Air Canada flight, departing Tue, 19 Jan from Boston to Porto, returning Tue, 26 Jan, priced at £496 found 6 days ago

Alternative airports near Porto

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Dr. Francisco de Sa Carneiro OPO. Cheapest and Closest option available. Average driving time to city centre is 14 minutes. Flights from £842
OPO
Dr. Francisco de Sa Carneiro
CheapestClosest
Average driving time to city centre14 min
Flights from £842

Find the cheapest month to fly from Boston (BOS) to Porto (OPO)

April is typically the cheapest month to fly

From £250 - £552 per traveller.

Frequently asked questions

How much does a flight from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) cost?
You can find cheap one-way flights from £267 and cheap return flights from £411 BOS to OPO with Expedia. Return flights often range between £831 and £4930. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when BOS to OPO ticket fares go up or down.
What is the cheapest month to fly from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
January is typically the cheapest month to fly from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro), with average return fares around £358. January sees lower prices because it falls after the holiday travel rush, when demand drops and airlines compete for bookings. March and April are also good months to find deals on this route.
Which airlines fly direct from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
Only one airline offers direct flights from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro). TAP Portugal operates 7 direct flights from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) every week.
What is the cheapest airline that flies from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
TAP Portugal is one of the cheapest airlines offering nonstop return flights from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro), with tickets starting from around £247 for flights that can be booked for departure within the next year. Virgin Atlantic offers one of the cheapest connecting return flights from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) with a layover in Heathrow (LHR), starting from around £848. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
To find a cheap flight from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
The best airline to fly with from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) will differ from traveler to traveler. If you like to fly early, TAP Portugal offers early morning flights. If price is the most important factor, TAP Portugal typically offers the lowest fares. Delta offers the most daily flights from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
The cheapest months to fly from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) are typically January and March, with average return flights around £358. The most popular months for this route are May and October, meaning you'll find plenty of flight options during these times. While there isn't a single month that is both the cheapest and most popular, if you're looking for the best value, consider January or March. If having a wide selection of flights is your priority, May and October are great choices.
How many flights per day from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
There are approximately 94 connecting flights per day from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro). Some common connection points include John F. Kennedy Intl. (JFK), Pearson Intl. (YYZ), and Liberty Intl. (EWR).
What is the earliest flight from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
The earliest flight from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) typically departs around 5:00 AM. This service is seasonal, active only in March, and is operated by American Airlines and Iberia. An early departure like this allows you to maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
You'll find the most flights from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) on a Wednesday, with around 96 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, Delta, and United. Flight options are notably more plentiful on Wednesdays compared to other days of the week, offering you a good selection.
What are the most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
The most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) are in the late evening, from 9pm to midnight. Many major carriers, including TAP Portugal, Iberia and Lufthansa, offer flights during this window. Many travellers prefer these times because you can make the most of your day in Boston before your evening flight, and you'll arrive in Porto in the morning, ready to start your trip.
How long does it take to fly from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
If you're flying from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro), a nonstop flight typically takes around 6 hours 30 minutes. This route covers a distance of approximately 5,050 kilometers. If you opt for a flight with one stop, your journey will usually be longer, taking about 13 hours 18 minutes. Flights with two or more stops generally take even longer, around 19 hours 30 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
Yes, you can fly business class or first class between BOS and OPO. Airlines that offer business class service on this route include:
  • Swiss International Air Lines
  • TAP Portugal
  • SAS
  • KLM
  • Turkish Airlines
  • Lufthansa
  • Air France
  • Iberia
  • Copa
  • Icelandair
  • Republic Airlines
  • Air Canada
  • Virgin Atlantic
  • British Airways
  • United
  • Austrian Airlines
  • Delta
  • Condor
  • American Airlines
First class cabins are available on Swiss International Air Lines, Lufthansa, and United.
How do I earn miles on a Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) flight with Expedia?
It's easy to earn miles on a Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Porto (OPO) from Boston, MA (BOS)?
If you're planning to travel to Porto from Logan International Airport (BOS), you can fly directly into Dr. Francisco de Sa Carneiro (OPO). Some flights may connect through major hubs like John F. Kennedy Intl. (JFK), Heathrow (LHR), or Philadelphia Intl. (PHL) before reaching Porto. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) at the last minute?
Typically, booking a last minute flight from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) flight and hotel package?
Securing a Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
If you booked your Boston, MA (BOS-Logan Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Logan Intl.
Destination airport
Dr. Francisco de Sa Carneiro
Airlines serving
Air Canada, Air France, Air Transat, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Iberia, JetBlue Airways, KLM, Lufthansa, SATA International-Azores Airlines S.A., Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Return price
£411
Distance
5019 km
Average flight time
6 hours 40 mins

Book with confidence

Compare flights from Boston to Porto easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Boston to Porto. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Dr. Francisco de Sa Carneiro in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Logan Intl. to Dr. Francisco de Sa Carneiro.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Logan Intl. (BOS) to Dr. Francisco de Sa Carneiro (OPO)

The easiest way to view the best deals on flights from Boston to Porto today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Logan Intl. to Dr. Francisco de Sa Carneiro start at just £411 and range up to £496.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Boston and Porto
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Boston to Porto flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Logan Intl. to Dr. Francisco de Sa Carneiro for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Boston to Porto easily and book with confidence

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*Available to Expedia members.