BOS - OPO

$395 Find Cheap Flights from Boston to Porto - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Porto departing on 7/23. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Porto

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Porto.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Porto.
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Everything you should know

Cheapest round-trip
$696
Typical prices: $712-$455
Scandinavian Airlines
Tue 10/27Sat 10/31
BOS - OPO • 1 stop
Cheapest non-stop
$697
Typical prices: $752-$536
TAP AIR PORTUGAL
Sun 10/18Sun 10/25
BOS - OPO • Non-stop
Nonstop flights
Mon, Wed, Sat, Sun
You can fly direct with TAP AIR PORTUGAL. Average duration is 6h 30m
Direct flights
Direct flights
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Direct flights
Direct flights
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Top airlines
Cheapest • from $696 (round-trip)
Best reviews • 7.9 score
Airline reviews
Airline reviews
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Airline reviews
Airline reviews
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Top layover airports
Cheapest • Avg $430 (round-trip)
Shortest trip • 8h 50m (one-way)
Insights
Insights
Insights
Insights
Avoid delays
Most punctual • 95% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 9% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 36% price drop
Most popular
Good to know
Good to know
+1
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Good to know
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We hope you love your trip to Porto!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Boston to Porto (BOS-OPO)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boston to Porto that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Porto

Tue, Oct 27 - Sat, Oct 31
Scandinavian Airlines Logo
6:35 pm - 11:05 am
BOS
-
OPO
12h 30m
1 stop
Scandinavian Airlines Logo
12:00 pm - 4:40 pm
OPO
-
BOS
32h 40m
1 stop
$696Scandinavian Airlines
Mon, Aug 31 - Mon, Sep 7
TAP AIR PORTUGAL Logo
10:45 pm - 5:00 pm
BOS
-
OPO
13h 15m
1 stop
TAP AIR PORTUGAL Logo
9:15 pm - 8:20 pm
OPO
-
BOS
28h 05m
1 stop
$697TAP AIR PORTUGAL
Mon, Sep 28 - Tue, Oct 6
American Airlines Logo
9:20 pm - 4:00 pm
BOS
-
OPO
13h 40m
1 stop
American Airlines Logo
12:25 pm - 7:50 pm
OPO
-
BOS
12h 25m
1 stop
$698American Airlines
Wed, Aug 5 - Wed, Sep 2
Multiple Airlines Logo
5:40 pm - 10:10 am
BOS
-
OPO
11h 30m
1 stop
Multiple Airlines Logo
10:00 pm - 9:05 pm
OPO
-
BOS
28h 05m
1 stop
$699Multiple Airlines
Fri, Oct 30 - Thu, Nov 5
Delta Logo
1:10 pm - 8:05 am
BOS
-
OPO
14h 55m
1 stop
Delta Logo
5:00 am - 7:45 pm
OPO
-
BOS
19h 45m
2 stops
$700Delta
Thu, Oct 29 - Wed, Nov 4
Multiple Airlines Logo
8:45 pm - 8:05 am
BOS
-
OPO
31h 20m
1 stop
Multiple Airlines Logo
5:40 am - 2:29 pm
OPO
-
BOS
13h 49m
1 stop
$701Multiple Airlines
Mon, Sep 28 - Tue, Oct 6
American Airlines Logo
11:35 am - 7:40 am
BOS
-
OPO
15h 05m
2 stops
American Airlines Logo
8:20 am - 7:50 pm
OPO
-
BOS
16h 30m
1 stop
$702American Airlines
Fri, Oct 30 - Mon, Nov 2
Delta Logo
5:00 pm - 8:05 am
BOS
-
OPO
11h 05m
1 stop
Delta Logo
11:30 am - 4:20 pm
OPO
-
BOS
33h 50m
1 stop
$703Delta
Mon, Aug 31 - Tue, Sep 22
Multiple Airlines Logo
9:15 pm - 2:45 pm
BOS
-
OPO
12h 30m
1 stop
Multiple Airlines Logo
10:00 pm - 9:05 pm
OPO
-
BOS
28h 05m
1 stop
$704Multiple Airlines
Sun, Sep 20 - Mon, Sep 28
TAP AIR PORTUGAL Logo
11:00 pm - 10:30 am
BOS
-
OPO
6h 30mnonstop
TAP AIR PORTUGAL Logo
10:30 pm - 8:20 pm
OPO
-
BOS
26h 50m
1 stop
$705TAP AIR PORTUGAL
Booking Insights

KAYAK's insights & trends for Boston to Porto flights

Get data-powered insights and trends into flights from Boston to Porto to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Boston to Porto?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Boston to Porto departing in October.

What’s the cheapest day of the week to fly from Boston to Porto?

The average price of all round-trip flights from Boston to Porto clicked on KAYAK for each day over the last 12 months.

When flying from Boston to Porto, you should consider leaving on a Tuesday and avoid Saturdays if you are looking for the best rates. For your return to Boston, you’ll find the best rates on Wednesdays and the most expensive ones on Mondays.

What is the cheapest month to fly from Boston to Porto?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Boston to Porto, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Boston to Porto is February, where tickets cost $406 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $887 and $878 respectively.

Can I save money by flying with a layover from Boston to Porto?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $843, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Boston to Porto?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Boston to Porto, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Boston to Porto, you should book around 2 weeks before departure, which saves you about 9% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 15 weeks before departure.

Expert advice

Expert advice for your flight from Boston to Porto

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Duncan Madden

Duncan Madden

Expert on TAP AIR PORTUGAL

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Gabriel Leigh

Gabriel Leigh

Expert on Azores Airlines

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Good to know

Low seasonJanuary
Cheapest flight$395
Best time to beat the crowds with an average 33% drop in price.
Most popular time to fly with an average 37% increase in price.
Flight from Boston to Porto

When to book flights from Boston to Porto

Are your dates flexible? Find out the best times to travel from Boston to Porto based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Boston to Porto

  • What amenities/services are offered at the Boston Logan International Airport (BOS)?

    The Boston Airport has everything that a passenger could need. There are ATM machines for money withdrawal, shoe shine services, a spa where you can enjoy beauty and massage services, airline lounges, and hydration stations.

  • Where can I eat while I'm waiting on my plane to leave these airports?

    At the Porto Airport (OPO), there are several places to eat including a sushi bar, a pasta restaurant, and a delicatessen. There is also a Burger King at this airport. While you're at the Boston Logan International Airport, you can enjoy dining at Friendly's Restaurant, a Sbarro Italian Kitchen, and a Potbelly Sandwich Shop.

  • How do I get from the Porto Airport (OPO) to the city?

    There are a few ways that you can get to your hotel. Whether you're staying downtown or in a nearby beach town, there is a travel option. The Metro stops at most of the major neighborhoods in Porto. If you'd prefer, you can take a bus to the city. There are also several private shuttles and taxis that operate out of the airport.

  • Where can I park my car at the Boston Logan International Airport (BOS)?

    While you're away in Porto, you can be confident that your car will be safe at the Boston Airport. Some of your parking options include covered parking in one of its garages. If you're looking to save money, you can opt for the economy garage. It is a little distance from the airport but provides a complimentary shuttle service. Uncovered parking in one of the terminal lots is also possible.

  • What is the cheapest flight from Boston to Porto?

    In the last 5 days, the lowest price for a flight from Boston to Porto was $395 for a one-way ticket and $696 for a round-trip.

  • Do I need a passport to fly between Boston and Porto?

    Yes, you’ll need a passport to travel to Porto from Boston.

  • Which airlines offer Wi-Fi service onboard planes from Boston to Porto?

    All the following airlines offer inflight Wi-Fi service on the Boston to Porto flight route: JetBlue, Air France, Delta, KLM, Virgin Atlantic, SWISS, Scandinavian Airlines, and United Airlines.

  • Which aircraft models fly most regularly from Boston to Porto?

    The Airbus A321neo is the aircraft model that flies most regularly on the Boston to Porto flight route.

  • Which airline alliances offer flights from Boston to Porto?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between Boston and Porto, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Boston to Porto?

    You can catch a nonstop flight from Boston to Porto on on Monday, Wednesday, Saturday, and Sunday.

  • Which is the best airline for flights from Boston to Porto, Delta or KLM?

    The two airlines most popular with KAYAK users for flights from Boston to Porto are Delta and KLM. With an average price for the route of $736 and an overall rating of 7.9, Delta is the most popular choice. KLM is also a great choice for the route, with an average price of $669 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from Boston to Porto?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boston to Porto.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boston to Porto?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from Boston is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boston to Porto?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto with an airline and back to Boston with another airline. Booking your flights between Boston and OPO can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boston to Porto?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto from Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Boston to Porto

  • Looking for a cheap flight? 25% of our users found flights on this route for $465 or less one-way and $735 or less round-trip.
  • Francisco Sá Carneiro Airport (OPO), (casually known as Porto Airport), is about 13min from the center of Porto, Portugal. It is also close to other tourist towns such as Mindelo, Apúlia, and the beach town of Lavra.
  • On your flight from Boston Logan International Airport (BOS) to Porto Airport (OPO), you'll change planes and have a layover in Paris, Lisbon, Madrid, Zurich, Frankfurt, or another city. Your layover could be less than an hour or over 23h.
  • If you have a real early flight or you're driving to Boston to fly to Porto, you can stay the night at the Boston Airport. Booking a room at the airport's Hilton Hotel will make it convenient to catch your flight. Some amenities offered at this hotel include on-site dining, a business center, an indoor pool, and a fitness center.
  • Rent a car at the Porto Airport (OPO) to tour Northern Portugal. Some of the car rental agencies with offices at this airport include Avis, Alamo, Budget, and Europcar. They are located in the pre-security area of the airport.
  • The Boston Logan International Airport (BOS) is quite large and busy. Therefore, it can be quite a bit of walking if you're going from one side of the airport to the other. If you don't want to walk, there is a free shuttle. Along with the terminals, the shuttle stops at the parking lots and the rental car center. It also provides access to public transportation.

Prefer to fly direct from Boston to Porto?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Boston Logan Intl to Porto.
Find which airlines fly direct from Boston Logan Intl Airport to Porto Airport, which days they fly and book direct flights.

Direct departures

Boston Logan Intl to Porto

Monday

TAP AIR PORTUGAL

TAP AIR PORTUGAL

Wednesday

TAP AIR PORTUGAL

TAP AIR PORTUGAL

Saturday

TAP AIR PORTUGAL

TAP AIR PORTUGAL

Sunday

TAP AIR PORTUGAL

TAP AIR PORTUGAL

See more direct flights

Direct returns

Porto to Boston Logan Intl

Monday

TAP AIR PORTUGAL

TAP AIR PORTUGAL

Wednesday

TAP AIR PORTUGAL

TAP AIR PORTUGAL

Saturday

TAP AIR PORTUGAL

TAP AIR PORTUGAL

Sunday

TAP AIR PORTUGAL

TAP AIR PORTUGAL

See more direct flights

Reviews of the top 5 airlines serving from Boston to Porto

 
See real verified KAYAK customer reviews for airlines flying from Boston to Porto. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Boston to Porto? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8396 reviews
8.1Boarding
7.8Entertainment
7.8Comfort
7.2Food
8.5Crew
Airline reviews

worst flight ever from Delta, it got delayed and kept on delaying..

2.0 MediocrePrasanna Veeresh, Jun 2026
DEN - LAX
Read more Delta reviews

worst flight ever from Delta, it got delayed and kept on delaying..

Should never have had to go to Detroit from Orlando back to Tennessee!

Got rerouted from a straight flight from Orlando to Atlanta to Knoxville to a flight from Orlando to Detroit to Knoxville! Seriously!! Flight delay out of Detroit! Long day for what should have been a pretty easy travel day!

Two delays on two separate planes with parts they could not easily find and replace.

Checkin was good, fllight ws good. Onlly complaint is lack of foot on 6 hour flight from Seattle to Boston. Snacks were flimsy - chips and cookies. could have offered something more substantial for such a long flight. I know you can buy food in airport but for the price you pay for a ticket, they should step up for the passengers.

Only beverages were offered to first class and I thought the flight attendant could have also served the Delta Comfort as well instead of sitting down and staring at her phone and walking past all of us to the back of the plane to charge her phone more. There was a complete lack of turbulence and was safe enough for flights attendant to walk around in the front of the plane, collect trash and serve a few people water and turn off the seat belt light. Also didn’t enforce people putting their seats into the upright position and allowed two passengers to remain reclined during landing. They seemed out to lunch completely. Usually my experience on Delta is much better.

Long story short, it was one of the better flight experiences I've had in some time when compared with other airlines.

Flight was great! This flight from Atlanta was even better than when I paid for Comfort from SNA to Atlanta.

Connection flights should be spaced out farther because too close I missed my connection.

Definitely a southern flavor. Cordiality was evident even though no drinks or snacks were served.

I was promised by United Airline (operated by ANA) that I will be seated together with my kids as I am the only adult flying with two minors. We did not get seats together in our 11 hours flight from LA to Tokyo. When asked at the gate, ANA representative said United Airline should have informed them that there is a parent flying with two minors. He said they can’t do anything in the system as the flight is full. He ask me to ask passengers next to me and the kids if they are willing to change seats. This is ridiculous! However, I went in the flight and asked other passages but no one willing to change seats. 11 hours and we were seating separately. I was very disappointed with this. It made things super inconvenient for me.

Our flight was delayed several Times due to mechanical issues. Although I understand this may happen at times, it was very inconvenient and we had to book a hotel for an overnight stay. We were traveling with my 3-yo grandson and waiting at the airport from noon until 6:30pm with no reassurance that our next rescheduled flight would depart, we had to decide what’s best for him. A day later, I found out that I may be able to demand compensation if my flight is delayed more than 4 hours. I will hav to read the fine print next time.

Flight cancelled instead of leaving Friday am now, maybe, leaving Sunday

The pilot had to extend the flight time from san antonio to Houston to burn off fuel. This caused a lot of unnecessary stress since we had a tight connection to Aruba. And with no other flights going to Aruba we were worried about spending a night in Houston. We had to to run to our connection because of the flight crews mistake. Not happy.

Service was professional and quick. Premium economy seat was comfortable given the class

one of the flight attendants on the Dallas to frankfurt leg was somewhat rude..

I'm a United 1K member and have ben for 10 years. The gate agent had no control over the boarding process and had us passengers queued for hours as delays were announced. On the plane, the overhead air nozzle was broken so col over was powering through on me and the passenger next to me. Not a great experience for a million miler on United. Feel free to contact me. Josh Smigel - DM426089

Like: departed and arrived on time. Unlike: Food options for purchase allways bad, 1 of 2 of the crew members not very friendly at all. Seats and leg room aweful. At this point I am thinking on switching to AA.

Over 5 hour delay with minimal updates or ability to standby for alternative flights. During boarding and 1 hr+ wait for takeoff, seats were drenched w water from air conditioning condensation and always leftover crumbs on carpet and seats

It was perfect! United Airlines staff was extremely caring, super friendly and professional

The crew was excellent. What I did not enjoy was the food. I have taken many international flights and this was on the low end. Otherwise the trip was fine.

Seats were the most uncomfortable seats i ever experienced on a flight to Europe from Boston. It was a waist of money in buying premium seats for top dollars. I want my money back for what i paid extra for my seats. Awful conditions!

On the seat map for this flight with TAP was shown a business class configuration of 2 rows/8 seats. To my surprise, 4 rows/24 seats being the middle is kept empty, old European type. I chose seat 2F, the the leg room economy dimension. This is not what I paid for. Disappointed!

Boarding felt a little chaotic as everyone was waiting around the gate. Food was great, service was good.

The passport control process in Lisbon ranks as a 1 on a 1 to 5 scale. Terrible. In line 2 hours and still missed our first flight. Next day, 1.5 hours but we made the flight. The Business Class food was poor. Unidentifiable. Not tasty at all. Unacceptable in BC. Attendants were adequate. Flight left late and arrived late. After this trip, we will not be flying TAP nor will we be connecting through Lisbon.

Flight attendants in business class were rather indifferent While in second leg operated by Portugalia TAP subsidiary were outstanfy

Great service overall. One of the best international flight experiences Ive had.

The chicken was so dry it was impossible to eat. No substitute was offered. The port to charge my phone was broken and all I got was a shrug from the crew. The entertainment system was glitchy and subtitles didn’t load. Crew seemed fully uninterested and unfriendly.

The flight crew were absolute rock stars. When they came to the gate they looked like royalty, so chic. They also were extremely kind. Food was good and I loved the lack of plastic waste. The flight was lovely and smooth.

We were unable to check in due to technical problems on TAP’s end. The flight was delayed forty minutes with no reason given. We received timely notice of the flight delay. We were also notified of a gate change. The new gate was at a different terminal. When we got to the new terminal, we learned that we had to go back to the old terminal first to check in. This information should have been included along with the gate change notification. Also unexplained, the steward skipped us when offering breakfast.

Flight was overbooked and seats assigned to multiple passengers. Delay 1 hour to sort out.

Good but I don’t received my bags yet is been 5days still no update

It was pretty straight forward, no glitches or hidden costs

It was a short flight so, everything went smoothly and we got to where we needed to be safely.

Didn’t make it on the flight. Delayed then had to be rebooked, which in turn had me waiting at the airport for another 8 hours before next flight

No TV on the flight. The charging outlet was not working. No food, even a sandwich. The served orange was poor quality.

Selected seats 5 months prior to date. Had email confirmation and seats were not honoured. Family did not sit together

Loved and was pleasantly surprised by the food!! Request Lufthansa to help transiting passengers at Munich (confusion whether to go thru passport control or not).

The flight was comfortable and the staff were helpful and friendly. However, we did not know we were flying PAL until we arrived in Canada, so it was a bit disconcerting. In addition, which port we were leaving from was confusing.

They did not let us board because one member needed a transit visa, which was not evident at the time of ticket purchase.

Not bad but they lost 2 of my bags when I got to Florence

Puddle-hopper. Quick-ish flight. Don’t expect to have much/any in-flight entertainment (movies/TV, etc).

Couldn’t get boarding passes online, delayed an hour, and smallest amount of space on board I’ve ever encountered for such a long flight.

In general, I've had excellent experiences with Iberia flights and will continue to use them. In this last flight there were two things that didn't go right. I didn't get the kosher meal I had pre-requested when I had checked in on-line. Things worked out OK as we ended up eating the fish and vegetarian choices, which were really good. The other issue was that some movies for me and my wife started fine but after 8-12 minutes the content just switched to something else. The flight attendant reset our entertainment systems, but the problem persisted. We ended up choosing other movies/TV shows that did work fine.

Awful. They didn't even show concern that her connecting flight( Dallas to Mardrid) was gone/missing. I don't understand how that is even possible. Rudest answer from one of the crew was that American Airlines sold the tickets to somebody else. My daughter was not in the list.

The flight was canceled on a Thursday last minute. I lost thousands of dollars in hotels and car rental

Excellent lie flat seat for premium economy! Great staff. Bad food . Not so great entertainment. My bag didn’t make it either.

Really like the idea experience on this airline I will use again

Plane delayed due to weather. Plane boarded, then told to unboard due to a maintenance issue.

the seats were so cramped you could barely move. it was difficult to eat when passengers would recline their seats. the seats were so flimsy and unstable that whenever someone got in and out of their seat, it bounced like a spring back in your face. the movies were nice. the food was terrible. even though the conditions were terrible, they tried to pressure passengers to relocate their seats to accommodate adults who were related and wanted to sit next to each other, even after the passengers expressed that they did not want to move for that purpose. on the connecting flight, the “service” consisted of items for purchase. even though the flight was only 45 minutes, once again passengers (including me) were pressured to relocate for people to sit next to each other. they couldn’t be apart for 45 minutes? this was much less compelling than being apart for an 8 hour flight.

Everything you need to know for your flight from Boston to Porto

Information on your arrival and departure airports