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$219+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — OPO
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
1 adult, Economy
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The best prices from Boston Logan Intl to Porto are usually found in January or November, booked 78 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 January 16, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$466
(Mytrip)

One-way from

$223
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$555
Provider with most accurate pricing for Boston Logan Intl-Porto flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Porto flights.
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From Boston Logan Intl to Porto
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One-way flight from Boston Logan Intl to Porto
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High demand for flights, 19% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in January 2025
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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 16, 2025.

This Mytrip deal was found by Cheapflights users on 1/14. 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.
Mon 1/279:15 pmBOS - OPO
1 stop8h 40mAzores Airlines
Wed 2/1212:40 pmOPO - BOS
1 stop12h 25mAzores Airlines
Deal found 1/14$466
This Mytrip deal was found by Cheapflights users on 1/15. 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 1/2811:25 pmBOS - OPO
1 stop27h 35mMultiple Airlines
Sun 2/1612:40 pmOPO - BOS
1 stop12h 25mMultiple Airlines
Deal found 1/15$471
This FlightHub deal was found by Cheapflights users on 1/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/110:50 pmBOS - OPO
1 stop9h 55mTAP AIR PORTUGAL
Wed 2/126:00 pmOPO - BOS
1 stop25h 25mTAP AIR PORTUGAL
Deal found 1/16$484
This Priceline deal was found by Cheapflights users on 1/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/291:06 pmBOS - OPO
2 stops13h 34mIberia
Fri 2/78:20 amOPO - BOS
1 stop12h 00mIberia
Deal found 1/15$508
This American Airlines deal was found by Cheapflights users on 1/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/261:06 pmBOS - OPO
2 stops17h 39mAmerican Airlines
Tue 2/48:20 amOPO - BOS
1 stop16h 00mAmerican Airlines
Deal found 1/16$509
This Delta deal was found by Cheapflights users on 1/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/186:45 pmBOS - OPO
1 stop10h 50mDelta
Fri 2/2811:15 amOPO - BOS
1 stop13h 00mDelta
Deal found 1/16$514
This Air Canada deal was found by Cheapflights users on 1/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/273:40 pmBOS - OPO
2 stops38h 35mAir Canada
Wed 2/266:00 amOPO - BOS
2 stops21h 37mAir Canada
Deal found 1/16$541
This British Airways deal was found by Cheapflights users on 1/15. 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.
Wed 2/198:00 pmBOS - OPO
1 stop15h 05mBritish Airways
Mon 2/245:30 pmOPO - BOS
1 stop25h 30mBritish Airways
Deal found 1/15$547
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/110:40 pmBOS - OPO
1 stop28h 20mVueling
Sat 3/18:35 amOPO - BOS
1 stop17h 20mVueling
Deal found 1/14$552
This United Airlines deal was found by Cheapflights users on 1/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/14:40 pmBOS - OPO
2 stops37h 55mUnited Airlines
Wed 2/126:00 amOPO - BOS
2 stops57h 08mUnited Airlines
Deal found 1/16$560
This SWISS deal was found by Cheapflights users on 1/15. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/49:55 pmBOS - OPO
1 stop15h 35mSWISS
Fri 3/2812:40 pmOPO - BOS
1 stop12h 40mSWISS
Deal found 1/15$561
This Lufthansa deal was found by Cheapflights users on 1/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/174:15 pmBOS - OPO
2 stops15h 35mLufthansa
Fri 2/286:00 amOPO - BOS
2 stops17h 35mLufthansa
Deal found 1/16$596

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 January 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 1/27

9:15 pm-10:55 am

1 stop8h 40m

Porto

Wed 2/12

12:40 pm-8:05 pm

1 stop12h 25m

$466

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 1/28

11:25 pm-8:00 am

1 stop27h 35m

Porto

Sun 2/16

12:40 pm-8:05 pm

1 stop12h 25m

$471

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sat 2/1

10:50 pm-1:45 pm

1 stop9h 55m

Porto

Wed 2/12

6:00 pm-2:25 pm

1 stop25h 25m

$484

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 1/29

1:06 pm-7:40 am

2 stops13h 34m

Porto

Fri 2/7

8:20 am-3:20 pm

1 stop12h 00m

$508

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 2/25

3:40 pm-11:40 am

2 stops15h 00m

Porto

Tue 3/4

6:00 am-10:39 pm

2 stops21h 39m

$512

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 3/3

6:45 pm-10:50 am

1 stop11h 05m

Porto

Fri 3/28

6:15 am-8:15 pm

1 stop18h 00m

$514

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 2/17

1:08 pm-9:05 am

2 stops14h 57m

Porto

Fri 2/28

9:05 am-7:15 pm

1 stop15h 10m

$524

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 2/19

8:00 pm-4:05 pm

1 stop15h 05m

Porto

Mon 2/24

5:30 pm-2:00 pm

1 stop25h 30m

$547

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sat 2/1

10:40 pm-8:00 am

1 stop28h 20m

Porto

Sat 3/1

8:35 am-8:55 pm

1 stop17h 20m

$552

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sat 2/1

4:40 pm-11:35 am

2 stops37h 55m

Porto

Wed 2/12

6:00 am-10:08 am

2 stops57h 08m

$560

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 25 results
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2
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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.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*3 stars
FareScanPrice Accuracy3 starsTrust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
oojoPrice Accuracy3 starsTrust Score*2 stars
FlightnetworkPrice Accuracy2 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Boston-Porto flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 January 10, 2025.

To ensure you get the cheapest price possible for a flight from Boston to Porto, you should look to book at least 78 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 $1,083). 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 January 16, 2025.

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 January 16, 2025.
Get a feel of what it's like to fly with Azores Airlines, Lufthansa and Delta 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
8,511 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

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
8,511 reviews
Delta
8.0
Very good
8,511 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

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

KLM
7.8
Good
1,339 reviews
Delta
8.0
Very good
8,511 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

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

SWISS
7.5
Good
1,598 reviews
Delta
8.0
Very good
8,511 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

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
8,964 reviews
Delta
8.0
Very good
8,511 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

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 4 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 ($466), TAP AIR PORTUGAL ($484), and Iberia ($508) offers the cheapest pricing from Boston to Porto. These flights start at 32% lower than the current average price 3 months from now.

  • What are the cheapest flights from Boston to Porto?

    Looking at all options, your cheapest flight can be booked for $255. While the most popular route (Boston Logan Intl - Porto) can be booked for $410 on average our data indicates $1,182 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 $18 per day.

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

    Puerta del Sol, Plaza Mayor, and Museo del Prado 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 Museo del Prado can be accessed by traveling approximately 8.4 mi, 8.6 mi, and 8.1 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 Paris least frequently. Amsterdam follows Paris in terms of the least common layover location on Boston to Porto flights. Zurich follows Amsterdam 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 $1,083). 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

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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 January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
VuelingCheapest$370Average$533FlexibilityNo cancel feeOn-time88%
Azores AirlinesCheapest$379Average$722FlexibilityNo cancel feeOn-time74%
PLAYCheapest$402Average$636FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$487Average$740FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$488Average$643FlexibilityNo cancel feeOn-time70%
IberiaCheapest$525Average$696FlexibilityNo cancel feeOn-time77%
SWISSCheapest$527Average$835FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$541Average$794FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$544Average$714FlexibilityNo cancel feeOn-time71%
KLMCheapest$548Average$683FlexibilityNo cancel feeOn-time75%
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