HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boston

$306+ Cheap flights from Porto (OPO) to Boston (BOS)

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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — BOS
Dec 12 — Dec 191
Fri 12/12
Fri 12/19
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Porto to Boston 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 Porto to Boston Logan Intl are usually found in October or February, booked 76 days in advance, depart on a Monday or Thursday and return on a Tuesday

Cheap flight deals from Porto to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Boston (BOS). 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 November 12, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$468
(Mytrip)

One-way from

$306
(Kiwi.com)

Popular in

July

Cheapest in

October

Average price

$633

Good one-way deal

$520 or less
Provider with most accurate pricing for Porto-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Porto-Boston Logan Intl flights.
Search Deals
From Porto to Boston Logan Intl
Search Deals
One-way flight from Porto to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($142 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a one-way flight from Porto to Boston Logan Intl.
Search Deals

Find flight deals from Porto to Boston

Cheapest flights from Porto to Boston
Explore the most affordable flight options available from Porto to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 12, 2025.

This oojo deal was found by Cheapflights users on 11/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/511:00 amOPO - BOS
1 stop14h 10mTAP AIR PORTUGAL
Mon 12/86:05 pmBOS - OPO
1 stop15h 55mTAP AIR PORTUGAL
Deal found 11/12$527
This AirNGo deal was found by Cheapflights users on 11/11. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:20 amOPO - BOS
1 stop14h 50mTAP AIR PORTUGAL
Thu 12/1110:45 pmBOS - OPO
1 stop13h 15mTAP AIR PORTUGAL
Deal found 11/11$529
This KLM deal was found by Cheapflights users on 11/11. 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 12/24:10 pmOPO - BOS
1 stop31h 45mKLM
Tue 12/96:30 pmBOS - OPO
1 stop11h 00mKLM
Deal found 11/11$593
This Air France deal was found by Cheapflights users on 11/12. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:05 amOPO - BOS
1 stop12h 15mMultiple Airlines
Thu 1/86:30 pmBOS - OPO
1 stop10h 55mMultiple Airlines
Deal found 11/12$595
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Thu 12/188:45 amOPO - BOS
1 stop17h 10mMultiple Airlines
Mon 1/1210:40 pmBOS - OPO
1 stop17h 35mMultiple Airlines
Deal found 11/10$596
This Air France deal was found by Cheapflights users on 11/12. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:05 amOPO - BOS
1 stop12h 15mMultiple Airlines
Fri 1/98:20 pmBOS - OPO
1 stop33h 10mMultiple Airlines
Deal found 11/12$597
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Thu 12/186:00 amOPO - BOS
1 stop12h 25mLufthansa
Tue 12/308:40 pmBOS - OPO
1 stop11h 10mLufthansa
Deal found 11/10$598
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Thu 12/186:00 amOPO - BOS
1 stop12h 25mLufthansa
Fri 1/98:40 pmBOS - OPO
1 stop11h 10mLufthansa
Deal found 11/10$599
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Thu 12/186:00 amOPO - BOS
1 stop12h 25mLufthansa
Thu 1/88:40 pmBOS - OPO
1 stop11h 10mLufthansa
Deal found 11/10$600
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Thu 12/186:00 amOPO - BOS
1 stop12h 25mLufthansa
Sun 1/114:20 pmBOS - OPO
1 stop14h 20mLufthansa
Deal found 11/10$601
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Thu 12/186:00 amOPO - BOS
1 stop12h 25mLufthansa
Sat 1/108:40 pmBOS - OPO
1 stop11h 10mLufthansa
Deal found 11/11$602

Cheapflights Fare Finder

 
Customize your flight search to find flights from Porto to Boston 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 November 12, 2025.
Use the filters below to find and compare flights from Porto to Boston that are best for you.

Fly from

Porto

Fly to

Boston

Route

Depart

Return

Price

PortoBoston

OPO - BOS

OPOBOS

Porto

Wed 12/10

4:10 pm-1:20 pm

1 stop26h 10m

Boston Logan Intl

Sat 1/10

6:30 pm-10:30 am

1 stop11h 00m

$593

PortoBoston

OPO - BOS

OPOBOS

Porto

Wed 3/4

6:00 am-6:55 pm

1 stop17h 55m

Boston Logan Intl

Wed 3/18

1:10 pm-10:30 am

2 stops17h 20m

$601

PortoBoston

OPO - BOS

OPOBOS

Porto

Wed 3/4

6:00 am-6:24 pm

2 stops17h 24m

Boston Logan Intl

Wed 4/1

5:20 pm-3:30 pm

1 stop17h 10m

$607

PortoBoston

OPO - BOS

OPOBOS

Porto

Fri 3/6

11:20 am-10:21 pm

2 stops16h 01m

Boston Logan Intl

Fri 4/3

10:20 pm-3:30 pm

1 stop12h 10m

$608

PortoBoston

OPO - BOS

OPOBOS

Porto

Wed 3/4

6:00 am-1:10 pm

1 stop12h 10m

Boston Logan Intl

Thu 3/19

6:30 pm-9:30 am

1 stop11h 00m

$617

PortoBoston

OPO - BOS

OPOBOS

Porto

Sat 3/14

6:00 am-2:10 pm

1 stop12h 10m

Boston Logan Intl

Tue 3/31

12:20 pm-9:45 am

2 stops16h 25m

$617

PortoBoston

OPO - BOS

OPOBOS

Porto

Sun 3/8

6:00 am-1:10 pm

1 stop12h 10m

Boston Logan Intl

Tue 3/31

5:25 pm-9:45 am

1 stop11h 20m

$617

PortoBoston

OPO - BOS

OPOBOS

Porto

Thu 3/26

6:00 am-2:10 pm

1 stop12h 10m

Boston Logan Intl

Mon 3/30

5:25 pm-9:45 am

1 stop11h 20m

$617

PortoBoston

OPO - BOS

OPOBOS

Porto

Mon 3/9

6:00 am-2:10 pm

1 stop12h 10m

Boston Logan Intl

Thu 4/2

9:30 am-9:45 am

2 stops19h 15m

$617

PortoBoston

OPO - BOS

OPOBOS

Porto

Fri 3/27

6:00 am-2:10 pm

1 stop12h 10m

Boston Logan Intl

Tue 4/7

10:44 am-9:45 am

2 stops18h 01m

$617

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 19 results
1
2

Compare providers for flights from Porto to Boston

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 Porto to Boston in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust 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 Porto-Boston flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Porto-Boston flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Porto-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Porto-Boston flights, Cheapflights users trust Mytrip the most. Mytrip 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 Porto-Boston 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 Porto to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Porto 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 Porto to Boston

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

Use this chart to determine the optimal time to book a round-trip flight from Porto to Boston. Price data was last updated on November 7, 2025.

The price you pay for your flight from Porto to Boston may vary depending on when you book. For the best chance of a lower fare, look to book 75 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Porto to Boston (average of $457). Flying from Porto to Boston in July is currently the most expensive (average of $604). 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 OPO to BOS?

Find hourly flight availability from Porto to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 12, 2025.

One of the essential ways to save on airfare from Porto to Boston is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 22% on airfare.

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated November 12, 2025.
Read through reviews of airlines operating flights from Porto to Boston, such as Azores Airlines and TAP AIR PORTUGAL. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Azores Airlines
7.4
Good
84 reviews

Entertainment

5.4

Overall

7.4

Boarding

7.2

Crew

8.1

Comfort

7.2

Food

6.4

Reviews

1 / 1
8.0
Excellent

Anonymous,Feb 2025

YYZ - PDL

Hour and a half late because of weather and deicing. Assume this if you plan connections.
Azores Airlines
7.4
Good
84 reviews
Azores Airlines
7.4
Good
84 reviews

Entertainment

5.4

Overall

7.4

Boarding

7.2

Crew

8.1

Comfort

7.2

Food

6.4

Reviews

1 / 1
8.0
Excellent

Anonymous,Feb 2025

YYZ - PDL

Hour and a half late because of weather and deicing. Assume this if you plan connections.
TAP AIR PORTUGAL
7.1
Good
2,059 reviews
Azores Airlines
7.4
Good
84 reviews

Entertainment

5.4

Overall

7.4

Boarding

7.2

Crew

8.1

Comfort

7.2

Food

6.4

Reviews

1 / 1
8.0
Excellent

Anonymous,Feb 2025

YYZ - PDL

Hour and a half late because of weather and deicing. Assume this if you plan connections.

Related info for your journey

Find useful and relevant information for your journey from Porto to Boston. 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 Porto to Boston flight route?

    Flights from Porto to Boston Logan Intl have been viewed 1 times in the past calendar month.

  • How long is the flight from Porto to Boston?

    A quick flight from Porto to Boston can take about 17h 55m. KLM provides one of the quickest options available for as low as $601. Airlines will cover a distance of 3134 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Cheapflights users have booked flights from Porto to Boston round-trip from $451. Another airline that can offer you cheap pricing is TAP AIR PORTUGAL. You may be able to fly from Porto to Boston for 31% less than the average price by searching for these airlines.

  • What are the cheapest flights from Porto to Boston?

    Looking at all options, your cheapest flight can be booked for $355. While the most popular route (Porto - Boston Logan Intl) can be booked for $441 on average, our data indicates $625 when flying from Porto to Boston.

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

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

  • How can I find direct flights from Porto to Boston?

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

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

    Yes. Cheapflights offers flight deals from Porto to Boston 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 Porto to Boston?

    Currently, February is the cheapest month in which you can book a flight from Porto to Boston (average of $457). Flying from Porto to Boston in July is currently the most expensive (average of $604). 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

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Medford
Hampton Beach
Watertown
Seabrook
Seekonk
Lincoln
Lowell
Smithfield
Cranston
Chestnut Hill
Peabody
Quincy
York Beach
Warwick
Swansea
Old Orchard Beach
Brockton
Waltham
Chelsea

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 Porto to Boston

See prices for flight routes from nearby airports that may be better suited for you.
Lisbon to Boston flights
Lisbon to Hartford flights
Ponta Delgada to Boston flights
Funchal to Boston flights
Lisbon to Albany flights

Top 2 airlines flying from Porto to Boston

Discover the top 2 airlines that operate flights from Porto to Boston. 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 November 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Azores AirlinesCheapest$451Average$557FlexibilityNo cancel feeOn-time74%
TAP AIR PORTUGALCheapest$476Average$680FlexibilityNo cancel feeOn-timeN/A

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.