What is the most punctual flight time for Boston to Porto flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

Which airline has the best punctuality record on Boston to Porto flights?

Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 3% of flights being delayed.

What’s the top layover airport for flights from Boston to Porto?

Zurich (ZRH) – chosen by Cheapflights users on 33% of 1-stop itineraries from Boston to Porto on Cheapflights.

What’s the fastest layover option from Boston to Porto?

Flights via Madrid (MAD) have the shortest average one-way travel time for 1-stop routes: 10h 05m.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

What’s the cheapest layover airport for flights from Boston to Porto?

Zurich (ZRH) is the most affordable 1-stop option, with an average round-trip price of $439.

How often are flights from Boston to Porto delayed?

About 3% of weekly flights between Boston and Porto have experienced delays in the past year, with the average delay time being 125 minutes.

Which airport typically offers the quickest layover for flights from Boston to Porto?

Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average layover time of 2h 03m.

How popular is this Boston to Porto flight route?

Flights from Boston Logan Intl to Porto have been viewed 26 times in the past calendar month.

How long is the flight from Boston to Porto?

TAP AIR PORTUGAL and United Airlines can get you from Boston to Porto in just under 9h 33m. Your travel time can differ by up to 1h 42m. The distance from Boston to Porto is about 3134 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Boston to Porto round-trip?

According to our current data, SWISS ($338), Iberia ($373), and British Airways ($374) offers the cheapest pricing from Boston to Porto. These flights start at 47% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Boston to Porto one-way?

One-way options have recently been found by users for as low as $158 on United Airlines. Other airlines that offer cheap prices include Delta from $236 and Azores Airlines from $241 one-way.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

What are the cheapest flights from Boston to Porto?

Looking at all options, your cheapest flight can be booked for $257. While the most popular route (Boston Logan Intl - Porto) can be booked for $320 on average, our data indicates $556 when flying from Boston to Porto.

What are the most popular airlines that fly from Boston to Porto?

When booking a flight from Boston to Porto, you may want to consider flying on TAP AIR PORTUGAL, Iberia or United Airlines as they are the most popular for this route.

Where are the most common layover locations when flying from Boston to Porto?

Flights departing from Boston and landing in Porto layover in Lisbon most frequently. Madrid is the second most popular location for layovers on flights from Boston to Porto.

Where are the least popular layover locations for Boston to Porto flights?

Flights departing from Boston and landing in Porto layover in Paris least frequently. Ponta Delgada follows Paris in terms of the least common layover location on Boston to Porto flights.

What are some popular things to do or see while on a layover in Lisbon?

The majority of Lisbon visitors spend their time at Chiado, Praça do Marquês de Pombal, and Londres. Travelers on a layover in Lisbon can visit Chiado, Praça do Marquês de Pombal, and Londres, by traveling 4.5 mi, 3.6 mi, and 2.3 mi, respectively after landing at Lisbon Humberto Delgado. Travelers in need of a car in Lisbon can rent one for about $18 per day.

What are some popular points of interest to see during a layover in Madrid?

Puerta del Sol, Plaza Mayor, and Spain Building are the most popular attractions in Madrid if you're in need of something to do during your layover. Puerta del Sol, Plaza Mayor, and Spain Building can be accessed by traveling approximately 8.4 mi, 8.6 mi, and 8.5 mi, respectively from Madrid Barajas. Those looking to explore during their layover in Madrid can rent a car from Madrid Barajas for about $28 per day.

What is the cheapest time of day to fly from BOS to OPO?

When flying from Boston to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Boston-Porto flights, users find the pricing of Gotogate to be most consistent on Cheapflights vs. Gotogate Users can find the same prices on Boston-Porto flight deals on Cheapflights vs. Gotogate >95% of the time. Price accuracy is based on data collected from Boston-Porto flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Boston-Porto flights, Cheapflights users trust Gotogate the most. Gotogate has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Boston to Porto that include hotel bookings?

Yes. In addition to deals on Boston to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Boston to Porto?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Porto.

Can I find deals for business class flights from Boston to Porto?

Yes. Cheapflights offers flight deals from Boston to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$228+ Flights from Boston to Porto

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Boston to Porto with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Boston Logan Intl to Porto are usually found in February or November, booked 18 days in advance, depart on a Tuesday or Friday and return on a Monday

Cheap flight deals from Boston to Porto

Most accurate provider	Gotogate 3 stars
Most trusted provider	Gotogate 3 stars
Round-trip from	$329 (FlightHub)
One-way from	$228 (oojo)
Popular in	June
Cheapest in	February
Average price	$558
Good round-trip deal	$557 or less
Good one-way deal	$279 or less

Provider with most accurate pricing for Boston Logan Intl-Porto flight deals.

Search Deals

Provider most trusted by Cheapflights users for Boston Logan Intl-Porto flights.

Search Deals

From Boston Logan Intl to Porto

Search Deals

One-way flight from Boston Logan Intl to Porto

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($136 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 2026

Search Deals

Price to beat on a round-trip flight from Boston Logan Intl to Porto.

Search Deals

Price to beat on a one-way flight from Boston Logan Intl to Porto.

Search Deals

Find flight deals from Boston to Porto

Cheapest flights from Boston to Porto
Explore the most affordable flight options available from Boston to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 7, 2026.

Sun 4/2610:30 pmBOS - OPO

Nonstop6h 40mTAP AIR PORTUGAL

Wed 5/66:10 pmOPO - BOS

Nonstop7h 35mTAP AIR PORTUGAL

Deal found 1/4

$329

Wed 4/2910:30 pmBOS - OPO

Nonstop6h 40mTAP AIR PORTUGAL

Wed 5/66:10 pmOPO - BOS

Nonstop7h 35mTAP AIR PORTUGAL

Deal found 1/4

$334

Mon 5/410:45 pmBOS - OPO

1 stop15h 15mTAP AIR PORTUGAL

Mon 5/186:05 pmOPO - BOS

Nonstop7h 40mTAP AIR PORTUGAL

Deal found 1/6

$336

Wed 4/810:45 pmBOS - OPO

1 stop13h 15mTAP AIR PORTUGAL

Wed 4/155:15 pmOPO - BOS

Nonstop7h 40mTAP AIR PORTUGAL

Deal found 1/5

$342

Tue 3/247:05 pmBOS - OPO

1 stop17h 55mTAP AIR PORTUGAL

Tue 4/712:10 pmOPO - BOS

1 stop12h 55mTAP AIR PORTUGAL

Deal found 1/7

$352

Wed 4/110:45 pmBOS - OPO

1 stop20h 55mTAP AIR PORTUGAL

Wed 4/155:15 pmOPO - BOS

Nonstop7h 40mTAP AIR PORTUGAL

Deal found 1/5

$355

Mon 4/276:05 pmBOS - OPO

1 stop9h 55mTAP AIR PORTUGAL

Wed 5/66:10 pmOPO - BOS

Nonstop7h 35mTAP AIR PORTUGAL

Deal found 1/4

$356

Mon 4/2710:45 pmBOS - OPO

1 stop11h 15mTAP AIR PORTUGAL

Sat 5/25:40 pmOPO - BOS

Nonstop7h 40mTAP AIR PORTUGAL

Deal found 1/4

$357

Wed 4/810:45 pmBOS - OPO

1 stop11h 15mTAP AIR PORTUGAL

Mon 4/1311:00 amOPO - BOS

1 stop14h 20mTAP AIR PORTUGAL

Deal found 1/7

$358

Wed 1/218:40 pmBOS - OPO

1 stop11h 35mMultiple Airlines

Wed 2/412:10 pmOPO - BOS

1 stop13h 10mMultiple Airlines

Deal found 1/6

$359

Best flights from Boston to Porto
Discover carefully curated flight deals from Boston to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 7, 2026.

Wed 4/110:45 pmBOS - OPO

1 stop11h 15mTAP AIR PORTUGAL

Sun 4/125:15 pmOPO - BOS

Nonstop7h 40mTAP AIR PORTUGAL

Deal found 1/7

$363

Sun 3/87:57 pmBOS - OPO

1 stop9h 33mUnited Airlines

Thu 3/1912:35 pmOPO - BOS

1 stop11h 40mUnited Airlines

Deal found 1/5

$376

Tue 1/279:50 pmBOS - OPO

1 stop32h 25mSWISS

Wed 2/257:20 pmOPO - BOS

1 stop29h 40mSWISS

Deal found 1/6

$386

Wed 1/218:20 pmBOS - OPO

1 stop33h 05mDelta

Thu 1/295:00 amOPO - BOS

1 stop13h 30mDelta

Deal found 1/7

$397

Tue 1/271:30 pmBOS - OPO

2 stops16h 00mMultiple Airlines

Wed 2/411:25 amOPO - BOS

2 stops15h 56mMultiple Airlines

Deal found 1/5

$410

Mon 3/912:10 pmBOS - OPO

2 stops17h 20mUnited Airlines

Tue 3/1712:35 pmOPO - BOS

2 stops26h 14mUnited Airlines

Deal found 1/5

$380

Mon 2/28:35 pmBOS - OPO

1 stop32h 55mDelta

Fri 2/1311:15 amOPO - BOS

1 stop12h 40mDelta

Deal found 1/5

$398

Tue 3/106:00 amBOS - OPO

2 stops23h 30mUnited Airlines

Wed 3/1812:35 pmOPO - BOS

2 stops15h 22mUnited Airlines

Deal found 1/5

$380

Sun 2/222:00 pmBOS - OPO

2 stops15h 30mDelta

Mon 3/211:15 amOPO - BOS

2 stops41h 11mDelta

Deal found 1/5

$402

Tue 3/39:30 amBOS - OPO

2 stops19h 00mUnited Airlines

Tue 3/1012:35 pmOPO - BOS

2 stops15h 22mUnited Airlines

Deal found 1/5

$380

Last-minute flights from Boston to Porto
Discover last-minute flight deals from Boston to Porto. Data last updated January 7, 2026 and is based on user searches.

Mon 1/126:05 pmBOS - OPO

1 stop19h 55mTAP AIR PORTUGAL

Thu 2/1212:05 pmOPO - BOS

1 stop13h 05mTAP AIR PORTUGAL

Deal found 1/5

$363

Tue 1/1310:10 pmBOS - OPO

1 stop32h 05mSWISS

Wed 1/2112:10 pmOPO - BOS

1 stop13h 10mSWISS

Deal found 1/7

$368

Mon 1/1910:10 pmBOS - OPO

1 stop32h 05mMultiple Airlines

Mon 1/2612:05 pmOPO - BOS

2 stops36h 37mMultiple Airlines

Deal found 1/5

$372

Tue 1/209:50 pmBOS - OPO

1 stop32h 25mSWISS

Tue 1/2712:05 pmOPO - BOS

1 stop13h 15mSWISS

Deal found 1/6

$367

Wed 1/218:40 pmBOS - OPO

1 stop11h 35mMultiple Airlines

Wed 2/412:10 pmOPO - BOS

1 stop13h 10mMultiple Airlines

Deal found 1/6

$359

Wed 1/215:30 amBOS - OPO

2 stops24h 45mMultiple Airlines

Mon 1/2612:05 pmOPO - BOS

2 stops55h 47mMultiple Airlines

Deal found 1/5

$374

Fri 1/236:05 pmBOS - OPO

1 stop10h 45mTAP AIR PORTUGAL

Wed 2/46:55 amOPO - BOS

1 stop12h 40mTAP AIR PORTUGAL

Deal found 1/6

$369

Sun 1/2510:45 pmBOS - OPO

1 stop9h 15mTAP AIR PORTUGAL

Thu 2/57:00 amOPO - BOS

1 stop12h 35mTAP AIR PORTUGAL

Deal found 1/5

$375

Sun 2/110:45 pmBOS - OPO

1 stop9h 15mTAP AIR PORTUGAL

Sat 2/71:00 pmOPO - BOS

1 stop12h 10mTAP AIR PORTUGAL

Deal found 1/6

$352

Mon 2/210:10 pmBOS - OPO

1 stop14h 20mMultiple Airlines

Mon 2/91:45 pmOPO - BOS

1 stop33h 50mMultiple Airlines

Deal found 1/5

$371

Sun 2/226:15 amBOS - OPO

2 stops31h 15mMultiple Airlines

Mon 3/27:20 pmOPO - BOS

1 stop30h 00mMultiple Airlines

Deal found 1/5

$366

Sun 2/2210:10 pmBOS - OPO

1 stop15h 20mSWISS

Mon 3/27:20 pmOPO - BOS

1 stop30h 00mSWISS

Deal found 1/5

$370

One-way flights from Boston to Porto
Search for one-way flight options from Boston to Porto. Find affordable one-way fares based on user searches. Data last updated January 7, 2026.

Sun 3/810:25 pmBOS - OPO

2 stops32h 45mMultiple Airlines

Deal found 1/6

$228

Sun 4/58:05 pmBOS - OPO

1 stop22h 20mLufthansa

Deal found 1/6

$237

Wed 1/219:25 pmBOS - OPO

2 stops16h 10mMultiple Airlines

Deal found 1/7

$250

Sun 2/229:25 pmBOS - OPO

1 stop9h 25mAzores Airlines

Deal found 1/6

$254

Sun 1/119:25 pmBOS - OPO

1 stop9h 25mAzores Airlines

Deal found 1/6

$255

Sat 3/2110:20 pmBOS - OPO

1 stop9h 30mAzores Airlines

Deal found 1/7

$261

Sat 4/45:05 pmBOS - OPO

1 stop13h 20mSWISS

Deal found 1/6

$265

Mon 4/68:05 pmBOS - OPO

2 stops21h 55mLufthansa

Deal found 1/6

$266

Tue 1/139:20 pmBOS - OPO

1 stop18h 55mAzores Airlines

Deal found 1/6

$268

Wed 3/49:25 pmBOS - OPO

2 stops16h 10mMultiple Airlines

Deal found 1/6

$269

Sun 2/89:25 pmBOS - OPO

1 stop9h 25mAzores Airlines

Deal found 1/6

$273

Fly from

Fly to

Route

Depart

Return

Price

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 4/1

10:45 pm-3:00 pm

1 stop11h 15m

Porto

Sun 4/12

5:15 pm-7:55 pm

Nonstop7h 40m

$363

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 3/8

7:57 pm-9:30 am

1 stop9h 33m

Porto

Thu 3/19

12:35 pm-8:15 pm

1 stop11h 40m

$376

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 3/9

12:10 pm-9:30 am

2 stops17h 20m

Porto

Tue 3/17

12:35 pm-10:49 am

2 stops26h 14m

$380

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 3/10

6:00 am-9:30 am

2 stops23h 30m

Porto

Wed 3/18

12:35 pm-11:57 pm

2 stops15h 22m

$380

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 3/3

9:30 am-9:30 am

2 stops19h 00m

Porto

Tue 3/10

12:35 pm-11:57 pm

2 stops15h 22m

$380

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 1/27

9:50 pm-11:15 am

1 stop32h 25m

Porto

Wed 2/25

7:20 pm-8:00 pm

1 stop29h 40m

$386

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 1/21

8:20 pm-10:25 am

1 stop33h 05m

Porto

Thu 1/29

5:00 am-1:30 pm

1 stop13h 30m

$397

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 2/2

8:35 pm-10:30 am

1 stop32h 55m

Porto

Fri 2/13

11:15 am-6:55 pm

1 stop12h 40m

$398

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 2/22

2:00 pm-10:30 am

2 stops15h 30m

Porto

Mon 3/2

11:15 am-11:26 pm

2 stops41h 11m

$402

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 1/27

1:30 pm-10:30 am

2 stops16h 00m

Porto

Wed 2/4

11:25 am-10:21 pm

2 stops15h 56m

$410

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 21 results

Compare providers for flights from Boston to Porto

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Porto in January.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
Ovago	Price Accuracy2 stars	Trust Score*2 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
JustAirTicket	Price Accuracy-	Trust Score*1 star
Cheapfaremart	Price Accuracy-	Trust Score*1 star
Gotogate	Price Accuracy3 stars	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Boston-Porto flights, users find the pricing of Gotogate to be most consistent on Cheapflights vs. Gotogate Users can find the same prices on Boston-Porto flight deals on Cheapflights vs. Gotogate >95% of the time. Price accuracy is based on data collected from Boston-Porto flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Boston-Porto flights, Cheapflights users trust Gotogate the most. Gotogate has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Boston with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

Prices

Delays

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

To ensure you get the cheapest price possible for a flight from Boston to Porto, you should look to book at least 18 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Boston to Porto?

Currently, March is the cheapest month in which you can book a flight from Boston to Porto (average of $361). Flying from Boston to Porto in June is currently the most expensive (average of $555). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Porto

Read through reviews of airlines operating flights from Boston to Porto, such as Delta, Azores Airlines, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,021 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,021 reviews

Delta

7.9

Good

8,021 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Azores Airlines

7.4

Good

90 reviews

Delta

7.9

Good

8,021 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,138 reviews

Delta

7.9

Good

8,021 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

TAP AIR PORTUGAL

7.1

Good

2,109 reviews

Delta

7.9

Good

8,021 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Iberia

7.0

Good

3,074 reviews

Delta

7.9

Good

8,021 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

How popular is this Boston to Porto flight route?
Flights from Boston Logan Intl to Porto have been viewed 26 times in the past calendar month.
How long is the flight from Boston to Porto?
TAP AIR PORTUGAL and United Airlines can get you from Boston to Porto in just under 9h 33m. Your travel time can differ by up to 1h 42m. The distance from Boston to Porto is about 3134 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Boston to Porto round-trip?
According to our current data, SWISS ($338), Iberia ($373), and British Airways ($374) offers the cheapest pricing from Boston to Porto. These flights start at 47% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Boston to Porto one-way?
One-way options have recently been found by users for as low as $158 on United Airlines. Other airlines that offer cheap prices include Delta from $236 and Azores Airlines from $241 one-way.
What are the cheapest flights from Boston to Porto?
Looking at all options, your cheapest flight can be booked for $257. While the most popular route (Boston Logan Intl - Porto) can be booked for $320 on average, our data indicates $556 when flying from Boston to Porto.
Where are the most common layover locations when flying from Boston to Porto?
Flights departing from Boston and landing in Porto layover in Lisbon most frequently. Madrid is the second most popular location for layovers on flights from Boston to Porto.
What are some popular things to do or see while on a layover in Lisbon?
The majority of Lisbon visitors spend their time at Chiado, Praça do Marquês de Pombal, and Londres. Travelers on a layover in Lisbon can visit Chiado, Praça do Marquês de Pombal, and Londres, by traveling 4.5 mi, 3.6 mi, and 2.3 mi, respectively after landing at Lisbon Humberto Delgado. Travelers in need of a car in Lisbon can rent one for about $18 per day.
What are some popular points of interest to see during a layover in Madrid?
Puerta del Sol, Plaza Mayor, and Spain Building are the most popular attractions in Madrid if you're in need of something to do during your layover. Puerta del Sol, Plaza Mayor, and Spain Building can be accessed by traveling approximately 8.4 mi, 8.6 mi, and 8.5 mi, respectively from Madrid Barajas. Those looking to explore during their layover in Madrid can rent a car from Madrid Barajas for about $28 per day.
Where are the least popular layover locations for Boston to Porto flights?
Flights departing from Boston and landing in Porto layover in Paris least frequently. Ponta Delgada follows Paris in terms of the least common layover location on Boston to Porto flights.
Can I find deals for flights from Boston to Porto that include hotel bookings?
Yes. In addition to deals on Boston to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Boston to Porto?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Porto.
Can I find deals for business class flights from Boston to Porto?
Yes. Cheapflights offers flight deals from Boston to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Boston to Porto?
Currently, March is the cheapest month in which you can book a flight from Boston to Porto (average of $361). Flying from Boston to Porto in June is currently the most expensive (average of $555). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Aveiro

Arcos de Valdevez

Coimbra

Vila Nova de Gaia

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Boston to Porto

Other flights to Porto

Top 10 airlines flying from Boston to Porto

Airline	Cheapest	Average	Flexibility	On-time
SWISS	Cheapest$338	Average$611	FlexibilityNo cancel fee	On-time79%
Iberia	Cheapest$373	Average$570	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$374	Average$644	FlexibilityNo cancel fee	On-time70%
KLM	Cheapest$394	Average$600	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$407	Average$695	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$424	Average$751	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$426	Average$781	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$434	Average$670	FlexibilityNo cancel fee	On-time67%
Lufthansa	Cheapest$449	Average$642	FlexibilityNo cancel fee	On-time76%
Azores Airlines	Cheapest$456	Average$624	FlexibilityNo cancel fee	On-time74%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$228+ Cheap flights from Boston (BOS) to Porto (OPO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boston to Porto with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Boston to Porto

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Boston to Porto

Cheapest flights from Boston to PortoExplore the most affordable flight options available from Boston to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 7, 2026.

Explore the most affordable flight options available from Boston to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 7, 2026.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Porto that are best for you.

Compare providers for flights from Boston to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Porto in January.

Best time to book a flight from Boston to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Boston with our price prediction graph.

Cheapflights Insights

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

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

What is the cheapest month to book a flight from Boston to Porto?

How often are flights from Boston to Porto delayed?

What is the most punctual flight time for Boston to Porto flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Boston to Porto flights?

What’s the top layover airport for flights from Boston to Porto?

What’s the cheapest layover airport for flights from Boston to Porto?

What’s the fastest layover option from Boston to Porto?

Which airport typically offers the quickest layover for flights from Boston to Porto?

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated January 7, 2026.

Read through reviews of airlines operating flights from Boston to Porto, such as Delta, Azores Airlines, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Boston to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How popular is this Boston to Porto flight route?

How long is the flight from Boston to Porto?

What are the cheapest airlines flying from Boston to Porto round-trip?

What are the cheapest airlines to fly from Boston to Porto one-way?

What are the cheapest flights from Boston to Porto?

Where are the most common layover locations when flying from Boston to Porto?

What are some popular things to do or see while on a layover in Lisbon?

What are some popular points of interest to see during a layover in Madrid?

Where are the least popular layover locations for Boston to Porto flights?

Can I find deals for flights from Boston to Porto that include hotel bookings?

How can I find direct flights from Boston to Porto?

Can I find deals for business class flights from Boston to Porto?

What is the cheapest month to book a flight from Boston to Porto?

Traveling to a place near Porto?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Porto

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Boston to Porto

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Boston to Porto
Explore the most affordable flight options available from Boston to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 7, 2026.