HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto

$208+ 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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — OPO
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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.

The best prices from Boston Logan Intl to Porto are usually found in November or January, booked 44 days in advance, depart on a Tuesday or Monday and return on a Sunday

Cheap flight deals from Boston to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$486
(CheapOair)

One-way from

$208
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$769
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
High demand for flights, 20% potential price rise
Search Deals
Best time to find cheap flights, 3% potential price drop
Search Deals
Average for round-trip flights in December 2024
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 December 18, 2024.

This Mytrip deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/314:40 pmBOS - OPO
3 stops23h 40mMultiple Airlines
Sun 8/245:35 pmOPO - BOS
3 stops29h 25mMultiple Airlines
Deal found 12/17$827
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3111:53 amBOS - OPO
2 stops14h 47mAmerican Airlines
Sun 8/248:15 amOPO - BOS
1 stop11h 45mAmerican Airlines
Deal found 12/17$839
This Air Canada deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2510:50 amBOS - OPO
2 stops21h 00mAir Canada
Tue 1/149:00 amOPO - BOS
2 stops16h 03mAir Canada
Deal found 12/17$928
This British Airways deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2410:00 pmBOS - OPO
2 stops28h 40mBritish Airways
Tue 1/1412:25 pmOPO - BOS
2 stops15h 44mBritish Airways
Deal found 12/17$1,067
This Gurufare deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/319:55 pmBOS - OPO
1 stop15h 30mSWISS
Sat 8/233:05 amOPO - BOS
1 stop17h 15mSWISS
Deal found 12/17$1,073
This KLM deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/247:05 pmBOS - OPO
1 stop15h 20mKLM
Sat 1/118:05 pmOPO - BOS
1 stop22h 30mKLM
Deal found 12/17$1,227
This Iberia deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2410:00 pmBOS - OPO
2 stops17h 00mIberia
Sat 1/1112:25 pmOPO - BOS
2 stops14h 30mIberia
Deal found 12/17$1,258
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/182:00 pmBOS - OPO
2 stops16h 40mUnited Airlines
Wed 12/256:00 amOPO - BOS
2 stops32h 42mUnited Airlines
Deal found 12/17$1,280
This Gurufare deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2910:50 pmBOS - OPO
1 stop14h 15mTAP AIR PORTUGAL
Thu 1/211:15 amOPO - BOS
1 stop13h 50mTAP AIR PORTUGAL
Deal found 12/17$1,420
This Justfly.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/238:40 pmBOS - OPO
1 stop11h 10mLufthansa
Fri 1/1012:30 pmOPO - BOS
1 stop29h 55mLufthansa
Deal found 12/17$1,584
This KAYAK deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/209:20 pmBOS - OPO
1 stop9h 30mAzores Airlines
Tue 1/76:55 amOPO - BOS
2 stops18h 10mAzores Airlines
Deal found 12/16$1,744

Find flights from Boston to Porto within your budget

Customize your flight search to find flights from Boston to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 1/26

9:20 pm-10:55 am

2 stops32h 35m

Porto

Tue 2/4

2:10 pm-8:05 pm

1 stop10h 55m

$486

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 1/26

9:20 pm-11:50 am

1 stop9h 30m

Porto

Tue 2/4

2:10 pm-8:05 pm

1 stop10h 55m

$487

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 5/14

11:00 pm-10:35 am

Nonstop6h 35m

Porto

Wed 6/4

6:05 pm-8:30 pm

Nonstop7h 25m

$511

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 3/3

4:50 pm-7:40 am

1 stop9h 50m

Porto

Tue 3/11

8:35 am-9:40 pm

1 stop17h 05m

$531

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 3/2

9:55 pm-6:40 pm

1 stop15h 45m

Porto

Tue 3/11

9:10 am-9:20 pm

2 stops16h 10m

$534

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 3/2

3:40 pm-11:35 am

2 stops14h 55m

Porto

Tue 3/11

6:00 am-12:12 pm

2 stops34h 12m

$541

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 3/3

6:45 pm-10:50 am

1 stop11h 05m

Porto

Fri 3/28

11:15 am-8:15 pm

1 stop13h 00m

$544

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 1/22

1:50 pm-3:15 pm

2 stops20h 25m

Porto

Mon 1/27

6:00 am-2:58 pm

2 stops37h 58m

$556

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 3/30

11:55 pm-4:15 pm

1 stop11h 20m

Porto

Sun 4/6

8:35 am-10:10 pm

1 stop18h 35m

$578

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Fri 1/10

10:00 pm-8:00 pm

2 stops17h 00m

Porto

Fri 1/17

12:25 pm-11:09 pm

2 stops15h 44m

$594

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 21 results
1
2
3

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy2 starsTrust Score*3 stars
FareScanPrice Accuracy3 starsTrust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy2 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Porto flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

Travel insights for flights from Boston to Porto

Get recent, data-driven insights about flights from Boston to Porto including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Porto. Price data was last updated on December 13, 2024.

To ensure you get the cheapest price possible for a flight from Boston to Porto, you should look to book at least 44 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, January is the cheapest month in which you can book a flight from Boston to Porto (average of $523). Flying from Boston to Porto in June is currently the most expensive (average of $1,000). 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.

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

Find hourly flight availability from Boston to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

It’s optimal to fly from Boston to Porto in the evening. By choosing this option you can save up to 5% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Boston to Porto. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boston to Porto flight should consider departing on Sunday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

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.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

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).

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 December 18, 2024.
Get a feel of what it's like to fly with United Airlines, Iberia and Air Canada from Boston to Porto by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,604 reviews

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,604 reviews

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.6
Good
1,606 reviews
Delta
8.0
Very good
8,604 reviews

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
9,055 reviews
Delta
8.0
Very good
8,604 reviews

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    Flights from Boston Logan Intl to Porto have been viewed 3 times in the past calendar month.

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

    According to our current data, Azores Airlines ($487), TAP AIR PORTUGAL ($518), and Iberia ($531) offers the cheapest pricing from Boston to Porto. These flights start at 31% 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 $208 on Azores Airlines. Other airlines that offer cheap prices include Vueling from $396 and KLM from $427 one-way.

  • What are the cheapest flights from Boston to Porto?

    Looking at all options, your cheapest flight can be booked for $248. While the most popular route (Boston Logan Intl - Porto) can be booked for $453 on average our data indicates $633 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. Ponta Delgada sees the third most 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, Centro Cultural de Belém, and Praça do Príncipe Real. Travelers on a layover in Lisbon can visit Chiado, Centro Cultural de Belém, and Praça do Príncipe Real, by traveling 4.5 mi, 6.9 mi, and 4.2 mi, respectively after landing at Lisbon Humberto Delgado. Travelers in need of a car in Lisbon can rent one for about $17 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 $26 per day.

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

    Flights departing from Boston and landing in Porto layover in Amsterdam least frequently. Paris follows Amsterdam in terms of the least common layover location on Boston to Porto flights. Zurich follows Paris in terms of the least frequent layover locations 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, January is the cheapest month in which you can book a flight from Boston to Porto (average of $523). Flying from Boston to Porto in June is currently the most expensive (average of $1,000). 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

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.

Top 10 airlines flying from Boston to Porto

Discover the top 10 airlines that operate flights from Boston to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
VuelingCheapest$356Average$531FlexibilityNo cancel feeOn-time88%
Azores AirlinesCheapest$384Average$709FlexibilityNo cancel feeOn-time74%
PLAYCheapest$402Average$634FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$478Average$788FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$488Average$643FlexibilityNo cancel feeOn-time70%
IberiaCheapest$502Average$673FlexibilityNo cancel feeOn-time77%
SWISSCheapest$525Average$830FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$544Average$715FlexibilityNo cancel feeOn-time71%
KLMCheapest$549Average$684FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$549Average$784FlexibilityNo cancel feeOn-time76%
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.