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$319+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — BOS
may. 4 — may. 111
dom. 5/4
dom. 5/11
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Porto to Boston Logan Intl are usually found in February or December, booked 85 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 abril 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$466
(SWISS)

One-way from

$319
(Booking.com)

Popular in

August

Cheapest in

February

Average price

$737

Good round-trip deal

$613 or less

Good one-way deal

$384 or less
Provider with most accurate pricing for Porto-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Porto-Boston Logan Intl flights.
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From Porto to Boston Logan Intl
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One-way flight from Porto to Boston Logan Intl
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Highest demand for flights based on searches. 12% potential increase in price ($93 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Porto to Boston Logan Intl.
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Price to beat on a one-way flight from Porto to Boston Logan Intl.
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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 abril 29, 2025.

This SWISS deal was found by Cheapflights users on 4/27. 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.
lun. 5/192:35 pmOPO - BOS
2 stops53h 50mSWISS
lun. 5/269:40 pmBOS - OPO
1 stop32h 50mSWISS
Deal found 4/27$466
This PLAY deal was found by Cheapflights users on 4/27. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/89:10 pmOPO - BOS
1 stop25h 40mPLAY
mié. 5/217:15 pmBOS - OPO
1 stop19h 55mPLAY
Deal found 4/27$502
This Cheapflightsfares deal was found by Cheapflights users on 4/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/126:00 pmOPO - BOS
Nonstop7h 40mTAP AIR PORTUGAL
sáb. 10/2511:00 pmBOS - OPO
Nonstop6h 40mTAP AIR PORTUGAL
Deal found 4/27$551
This Iberia deal was found by Cheapflights users on 4/27. 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.
lun. 5/1912:20 pmOPO - BOS
1 stop12h 30mMultiple Airlines
lun. 5/2610:00 pmBOS - OPO
1 stop16h 50mMultiple Airlines
Deal found 4/27$566
This British Airways deal was found by Cheapflights users on 4/27. 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.
lun. 5/1912:20 pmOPO - BOS
2 stops15h 29mBritish Airways
lun. 5/267:40 pmBOS - OPO
1 stop19h 10mBritish Airways
Deal found 4/27$571
This KLM deal was found by Cheapflights users on 4/28. 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. 5/195:30 pmOPO - BOS
1 stop29h 50mKLM
dom. 5/2510:20 pmBOS - OPO
1 stop12h 10mKLM
Deal found 4/28$574
This Delta deal was found by Cheapflights users on 4/27. 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.
jue. 6/126:30 amOPO - BOS
1 stop12h 00mDelta
dom. 6/155:05 pmBOS - OPO
2 stops17h 25mDelta
Deal found 4/27$581
This Iberia deal was found by Cheapflights users on 4/28. 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.
lun. 5/1912:20 pmOPO - BOS
1 stop12h 30mIberia
dom. 5/251:20 pmBOS - OPO
2 stops13h 15mIberia
Deal found 4/28$583
This Booking.com deal was found by Cheapflights users on 4/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/76:15 amOPO - BOS
1 stop17h 20mLufthansa
lun. 11/108:40 pmBOS - OPO
1 stop11h 10mLufthansa
Deal found 4/27$593
This United Airlines deal was found by Cheapflights users on 4/28. 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.
dom. 6/811:20 amOPO - BOS
1 stop11h 37mUnited Airlines
sáb. 6/146:00 amBOS - OPO
2 stops22h 35mUnited Airlines
Deal found 4/28$619
This Air Canada deal was found by Cheapflights users on 4/28. 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.
dom. 6/16:15 amOPO - BOS
2 stops32h 20mAir Canada
lun. 6/165:50 amBOS - OPO
1 stop22h 45mAir Canada
Deal found 4/28$638
This American Airlines deal was found by Cheapflights users on 4/28. 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.
jue. 6/128:15 amOPO - BOS
1 stop16h 35mAmerican Airlines
jue. 6/199:45 amBOS - OPO
2 stops16h 50mAmerican Airlines
Deal found 4/28$668

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 abril 29, 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

lun. 5/19

2:35 pm-3:25 pm

2 stops53h 50m

Boston Logan Intl

lun. 5/26

9:40 pm-11:30 am

1 stop32h 50m

$466

PortoBoston

OPO - BOS

OPOBOS

Porto

jue. 5/8

9:10 pm-5:50 pm

1 stop25h 40m

Boston Logan Intl

mié. 5/21

7:15 pm-8:10 pm

1 stop19h 55m

$502

PortoBoston

OPO - BOS

OPOBOS

Porto

lun. 5/19

12:20 pm-7:50 pm

1 stop12h 30m

Boston Logan Intl

lun. 5/26

10:00 pm-7:50 pm

1 stop16h 50m

$566

PortoBoston

OPO - BOS

OPOBOS

Porto

lun. 5/19

12:20 pm-10:49 pm

2 stops15h 29m

Boston Logan Intl

lun. 5/26

7:40 pm-7:50 pm

1 stop19h 10m

$571

PortoBoston

OPO - BOS

OPOBOS

Porto

lun. 5/19

5:30 pm-4:25 pm

1 stop27h 55m

Boston Logan Intl

dom. 5/25

10:20 pm-3:30 pm

1 stop12h 10m

$574

PortoBoston

OPO - BOS

OPOBOS

Porto

jue. 6/12

6:30 am-1:30 pm

1 stop12h 00m

Boston Logan Intl

dom. 6/15

5:05 pm-3:30 pm

2 stops17h 25m

$581

PortoBoston

OPO - BOS

OPOBOS

Porto

lun. 5/19

12:20 pm-7:50 pm

1 stop12h 30m

Boston Logan Intl

dom. 5/25

1:20 pm-7:35 am

2 stops13h 15m

$583

PortoBoston

OPO - BOS

OPOBOS

Porto

dom. 6/8

11:20 am-5:57 pm

1 stop11h 37m

Boston Logan Intl

sáb. 6/14

6:00 am-9:35 am

2 stops22h 35m

$619

PortoBoston

OPO - BOS

OPOBOS

Porto

vie. 6/13

6:15 am-5:40 pm

1 stop16h 25m

Boston Logan Intl

lun. 6/16

8:05 pm-11:20 pm

1 stop22h 15m

$626

PortoBoston

OPO - BOS

OPOBOS

Porto

dom. 6/1

6:15 am-9:35 am

2 stops32h 20m

Boston Logan Intl

lun. 6/16

5:50 am-9:35 am

1 stop22h 45m

$638

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 27 results
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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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust 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 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 eDreams the most. eDreams 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 April 25, 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 abril 29, 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 abril 29, 2025.
Read through reviews of airlines operating flights from Porto to Boston, such as Delta, KLM and Azores Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

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
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

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
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

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
Azores Airlines
7.6
Good
66 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

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
SWISS
7.5
Good
1,587 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

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
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

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 $466. Other airlines that can offer you cheap pricing are PLAY, from $502, and British Airways, from $571. You may be able to fly from Porto to Boston for 28% less than the average price by searching for these airlines.

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

    $319 is the cheapest one-way deal found within the past few days, from Vueling. You may also be able to find cheap deals on Iberia and PLAY, with prices starting from $342 and $363, respectively.

  • What are the cheapest flights from Porto to Boston?

    Looking at all options, your cheapest flight can be booked for $366. While the most popular route (Porto - Boston Logan Intl) can be booked for $502 on average our data indicates $528 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
Marlborough
Warwick
Cambridge
Waltham
Framingham
Chestnut Hill
Randolph
Brockton
Lowell
Woburn
Somerville
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Lincoln
Salem
Chelsea
Seabrook

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Alternative routes for Porto to Boston

See prices for flight routes from nearby airports that may be better suited for you.
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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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$446Average$680FlexibilityNo cancel feeOn-timeN/A
Azores AirlinesCheapest$451Average$616FlexibilityNo cancel feeOn-time74%
IberiaCheapest$475Average$597FlexibilityNo cancel feeOn-time77%
KLMCheapest$508Average$645FlexibilityNo cancel feeOn-time75%

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