Boston

$294+ 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — BOS
feb. 25 — mar. 41
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.

The best prices from Porto to Boston Logan Intl are usually found in February or October, booked 85 days in advance, depart on a Tuesday or Monday and return on a Friday

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 febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$370
(Ticket)

One-way from

$294
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$524

Good one-way deal

$355 or less
Provider with most accurate pricing for Porto-Boston Logan Intl flight deals.
Provider most trusted by Cheapflights users for Porto-Boston Logan Intl flights.
From Porto to Boston Logan Intl
One-way flight from Porto to Boston Logan Intl
Highest demand for flights based on searches. 11% potential increase in price ($88 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Average for round-trip flights in February 2025
Price to beat on a one-way flight from Porto to Boston Logan Intl.

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 febrero 20, 2025.

This Ticket deal was found by Cheapflights users on 2/20. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/39:10 pmOPO - BOS
1 stop25h 40mPLAY
mié. 4/97:15 pmBOS - OPO
1 stop19h 55mPLAY
Deal found 2/20$370
This Mytrip deal was found by Cheapflights users on 2/20. 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.
jue. 4/35:20 pmOPO - BOS
2 stops29h 30mMultiple Airlines
mié. 4/97:15 pmBOS - OPO
2 stops22h 20mMultiple Airlines
Deal found 2/20$485
This SWISS deal was found by Cheapflights users on 2/19. 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.
mié. 5/2112:15 pmOPO - BOS
1 stop12h 40mSWISS
vie. 5/305:05 pmBOS - OPO
1 stop13h 20mSWISS
Deal found 2/19$525
This British Airways deal was found by Cheapflights users on 2/19. 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.
vie. 3/712:25 pmOPO - BOS
2 stops15h 46mBritish Airways
mar. 3/119:15 pmBOS - OPO
1 stop16h 25mBritish Airways
Deal found 2/19$532
This Iberia deal was found by Cheapflights users on 2/20. 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.
mié. 4/212:20 pmOPO - BOS
2 stops15h 54mIberia
vie. 6/64:30 pmBOS - OPO
1 stop10h 05mIberia
Deal found 2/20$546
This American Airlines deal was found by Cheapflights users on 2/18. 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.
mié. 2/2612:25 pmOPO - BOS
1 stop31h 55mAmerican Airlines
dom. 3/28:00 amBOS - OPO
2 stops22h 45mAmerican Airlines
Deal found 2/18$552
This United Airlines deal was found by Cheapflights users on 2/20. 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.
jue. 3/206:00 amOPO - BOS
2 stops37h 52mUnited Airlines
mar. 3/255:15 pmBOS - OPO
1 stop18h 00mUnited Airlines
Deal found 2/20$566
This Lufthansa deal was found by Cheapflights users on 2/19. 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.
dom. 5/186:15 amOPO - BOS
1 stop16h 25mLufthansa
lun. 6/28:05 pmBOS - OPO
1 stop22h 15mLufthansa
Deal found 2/19$581
This Ovago deal was found by Cheapflights users on 2/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/216:10 pmOPO - BOS
Nonstop7h 35mTAP AIR PORTUGAL
dom. 6/111:15 pmBOS - OPO
Nonstop6h 40mTAP AIR PORTUGAL
Deal found 2/19$585
This StudentUniverse deal was found by Cheapflights users on 2/20. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/182:10 pmOPO - BOS
Nonstop10h 55mAzores Airlines
dom. 3/2310:20 pmBOS - OPO
1 stop18h 45mAzores Airlines
Deal found 2/20$603
This KLM deal was found by Cheapflights users on 2/18. 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.
lun. 2/244:10 pmOPO - BOS
1 stop26h 25mKLM
mié. 3/59:15 pmBOS - OPO
1 stop30h 00mKLM
Deal found 2/18$626
This Air Canada deal was found by Cheapflights users on 2/19. 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.
jue. 5/226:00 amOPO - BOS
2 stops32h 35mAir Canada
mié. 5/2810:20 amBOS - OPO
2 stops27h 10mAir Canada
Deal found 2/19$627

Find flights from Porto to Boston within your budget

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 febrero 20, 2025.

Fly from

Porto

Fly to

Boston

Route

Depart

Return

Price

PortoBoston

OPO - BOS

OPOBOS

Porto

jue. 4/3

9:10 pm-5:50 pm

1 stop25h 40m

Boston Logan Intl

mié. 4/9

7:15 pm-8:10 pm

1 stop19h 55m

$370

PortoBoston

OPO - BOS

OPOBOS

Porto

jue. 4/3

4:00 pm-5:50 pm

3 stops30h 50m

Boston Logan Intl

mié. 4/9

7:15 pm-10:35 pm

2 stops22h 20m

$502

PortoBoston

OPO - BOS

OPOBOS

Porto

mié. 3/19

12:25 pm-11:14 pm

2 stops14h 49m

Boston Logan Intl

dom. 3/23

11:00 pm-4:40 pm

1 stop13h 40m

$532

PortoBoston

OPO - BOS

OPOBOS

Porto

jue. 3/27

8:20 am-5:20 pm

2 stops37h 00m

Boston Logan Intl

jue. 4/3

4:30 pm-7:35 am

1 stop10h 05m

$546

PortoBoston

OPO - BOS

OPOBOS

Porto

mié. 3/19

12:25 pm-11:14 pm

2 stops14h 49m

Boston Logan Intl

lun. 3/24

1:10 pm-7:40 am

2 stops14h 30m

$547

PortoBoston

OPO - BOS

OPOBOS

Porto

mié. 3/19

12:05 pm-9:20 pm

1 stop13h 15m

Boston Logan Intl

lun. 3/24

10:55 pm-6:40 pm

1 stop15h 45m

$549

PortoBoston

OPO - BOS

OPOBOS

Porto

jue. 3/20

6:00 am-3:52 pm

2 stops37h 52m

Boston Logan Intl

mar. 3/25

5:15 pm-3:15 pm

1 stop18h 00m

$566

PortoBoston

OPO - BOS

OPOBOS

Porto

lun. 4/21

6:15 am-5:40 pm

1 stop16h 25m

Boston Logan Intl

dom. 4/27

8:05 pm-11:20 pm

1 stop22h 15m

$580

PortoBoston

OPO - BOS

OPOBOS

Porto

mar. 3/18

2:10 pm-9:05 pm

Nonstop10h 55m

Boston Logan Intl

dom. 3/23

10:20 pm-9:05 pm

1 stop18h 45m

$603

PortoBoston

OPO - BOS

OPOBOS

Porto

mar. 5/27

12:05 pm-5:40 pm

2 stops34h 35m

Boston Logan Intl

mié. 12/10

6:00 am-3:15 pm

2 stops28h 15m

$629

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 26 results
1
2
3
  • Most accurate provider: When it comes to deals on Porto-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Porto-Boston flight deals on Cheapflights vs. FlightHub >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 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 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.

Travel insights for flights from Porto to Boston

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

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 February 14, 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 85 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, January is the cheapest month in which you can book a flight from Porto to Boston (average of $218). Flying from Porto to Boston in July is currently the most expensive (average of $311). 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 febrero 20, 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 23% on airfare.

Rainfall in Boston by month

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

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

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

If weather is an important factor for your trip to Boston, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 febrero 20, 2025.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good
8.0
Very good

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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

    Cheapflights users have booked flights from Porto to Boston round-trip from $370. Other airlines that can offer you cheap pricing are SWISS, from $525, and British Airways, from $532. You may be able to fly from Porto to Boston for 43% less than the average price by searching for these airlines.

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

    $323 is the cheapest one-way deal found within the past few days, from Azores Airlines. You may also be able to find cheap deals on TAP AIR PORTUGAL and Vueling, with prices starting from $358 and $415, respectively.

  • What are the cheapest flights from Porto to Boston?

    Looking at all options, your cheapest flight can be booked for $312. While the most popular route (Porto - Boston Logan Intl) can be booked for $383 on average our data indicates $444 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, January is the cheapest month in which you can book a flight from Porto to Boston (average of $218). Flying from Porto to Boston in July is currently the most expensive (average of $311). 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 Porto?

Book flights to Porto if you plan to visit one of these locations
Warwick
Marlborough
Brockton
Waltham
Cambridge
Sturbridge
Framingham
Somerville
Chestnut Hill
Seekonk
Randolph
Lowell
Watertown
West Yarmouth
Woburn
Saco
Seabrook
Salem
Brookline
Fall River

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.

Top 4 airlines flying from Porto to Boston

Discover the top 4 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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$446Average$702FlexibilityNo cancel feeOn-timeN/A
Azores AirlinesCheapest$451Average$760FlexibilityNo cancel feeOn-time74%
IberiaCheapest$475Average$648FlexibilityNo cancel feeOn-time77%
KLMCheapest$508Average$645FlexibilityNo cancel feeOn-time75%
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.