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$256+ Cheap flights from Massachusetts 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — OPO
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Massachusetts to Porto

Cheapest flights from Massachusetts to Porto
Explore the most affordable flight options available from Massachusetts to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

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 12/2810:10 pmBOS - OPO
1 stop15h 20mMultiple Airlines
Wed 12/316:00 amOPO - BOS
1 stop12h 25mMultiple Airlines
Deal found 12/17$978
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.
Mon 12/294:20 pmBOS - OPO
1 stop14h 20mLufthansa
Wed 12/316:00 amOPO - BOS
1 stop12h 25mLufthansa
Deal found 12/17$1,003
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:10 pmBOS - OPO
1 stop15h 20mMultiple Airlines
Tue 12/306:25 amOPO - BOS
2 stops18h 30mMultiple Airlines
Deal found 12/17$1,053
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:15 pmBOS - OPO
2 stops16h 50mMultiple Airlines
Mon 12/296:15 amOPO - BOS
1 stop17h 20mMultiple Airlines
Deal found 12/16$1,114
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:15 amBOS - OPO
2 stops31h 20mMultiple Airlines
Wed 12/316:00 amOPO - BOS
1 stop12h 25mMultiple Airlines
Deal found 12/17$1,218
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:50 pmBOS - OPO
1 stop20h 35mKLM
Wed 12/3111:15 amOPO - BOS
1 stop12h 40mKLM
Deal found 12/16$1,219
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:40 pmBOS - OPO
1 stop11h 10mMultiple Airlines
Mon 12/296:25 pmOPO - BOS
2 stops30h 30mMultiple Airlines
Deal found 12/17$1,225
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:40 pmBOS - OPO
1 stop22h 00mLufthansa
Mon 12/296:15 amOPO - BOS
1 stop17h 20mLufthansa
Deal found 12/16$1,259
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:20 pmBOS - OPO
1 stop11h 10mMultiple Airlines
Wed 12/317:20 pmOPO - BOS
1 stop29h 35mMultiple Airlines
Deal found 12/17$1,358

Find flight deals from Massachusetts to Porto

Keep the following information in mind while searching for Massachusetts to Porto flight deals. Data was last updated December 18, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$384
(KAYAK)

One-way from

$256
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$659

Good round-trip deal

$562 or less

Good one-way deal

$279 or less
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 Massachusetts to Porto
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One-way flight from Massachusetts to Porto
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($117 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Massachusetts to Porto.
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Price to beat on a one-way flight from Massachusetts to Porto.
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Cheapflights Fare Finder

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

Fly from

Massachusetts

Fly to

Porto

Route

Depart

Return

Price

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 3/11

7:30 pm-10:30 am

1 stop11h 00m

Porto

Wed 3/18

4:10 pm-2:20 pm

1 stop26h 10m

$395

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 1/13

8:20 pm-10:30 am

1 stop33h 10m

Porto

Thu 1/29

5:00 am-1:30 pm

1 stop13h 30m

$397

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 1/20

6:05 pm-3:00 pm

1 stop15h 55m

Porto

Sun 2/1

8:00 pm-2:35 pm

1 stop23h 35m

$399

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 3/11

9:40 pm-1:15 pm

1 stop11h 35m

Porto

Tue 3/24

12:05 pm-9:20 pm

1 stop13h 15m

$407

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 2/1

10:05 am-10:30 am

2 stops19h 25m

Porto

Tue 2/10

11:25 am-10:21 pm

2 stops15h 56m

$409

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 2/2

4:45 pm-7:40 am

1 stop9h 55m

Porto

Tue 4/28

8:40 pm-4:10 pm

1 stop24h 30m

$411

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 2/2

4:45 pm-7:40 am

1 stop9h 55m

Porto

Tue 4/28

8:20 am-9:05 pm

2 stops17h 45m

$413

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 3/17

2:15 pm-9:30 am

2 stops15h 15m

Porto

Mon 3/23

12:30 pm-2:10 pm

1 stop29h 40m

$413

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 2/10

4:15 pm-2:45 pm

1 stop17h 30m

Porto

Tue 2/24

7:25 pm-10:37 pm

2 stops32h 12m

$417

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 2/1

8:40 pm-12:50 pm

1 stop11h 10m

Porto

Tue 4/28

6:20 am-5:40 pm

1 stop16h 20m

$418

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 35 results
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Best time to book a flight from Massachusetts to Porto

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

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

Currently, October is the cheapest month in which you can book a flight from Massachusetts to Porto (average of $369). Flying from Massachusetts to Porto in June is currently the most expensive (average of $555). 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 MA to OPO?

Find hourly flight availability from Massachusetts 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, 2025.

It’s typically best to fly out from Massachusetts to Porto in the morning. Doing so could potentially save you 49% on the flight price compared to flying in the evening, which is usually more expensive.

Related info for your journey

Find useful and relevant information for your journey from Massachusetts to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Massachusetts?

    If you book a flight to Porto from Massachusetts, you will be flying to Porto, which is the city’s only airport. Porto (OPO) is located 6.8 mi from the center of Porto.

  • How popular is this Massachusetts to Porto flight route?

    The Massachusetts to Porto flight path was viewed by 22 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Massachusetts to Porto?

    Departing from Massachusetts to Porto will take you 11h. The distance between Massachusetts and Porto is about 3134 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $158 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Azores Airlines and Delta, with prices starting from $228 and $236, respectively.

  • What are the most popular routes from Massachusetts to Porto?

    Most travelers choose Boston Logan Intl - Porto, Hartford Bradley Intl - Porto or Albany Intl - Porto when deciding on the best route from Massachusetts to Porto.

  • What are the cheapest flights from Massachusetts to Porto?

    Looking at all options, your cheapest flight can be booked for $258. While the most popular route (Boston Logan Intl - Porto) can be booked for $349 on average, our data indicates $531 when flying from Massachusetts to Porto.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Massachusetts to Porto (average of $369). Flying from Massachusetts to Porto in June is currently the most expensive (average of $555). 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
Aveiro
Arcos de Valdevez
Coimbra
Vila Nova de Gaia

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Alternative routes for Massachusetts to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Massachusetts to Porto

Discover the top 10 airlines that operate flights from Massachusetts 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, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$338Average$609FlexibilityNo cancel feeOn-time79%
IberiaCheapest$373Average$575FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$374Average$644FlexibilityNo cancel feeOn-time70%
KLMCheapest$394Average$593FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$421Average$693FlexibilityNo cancel feeOn-time69%
DeltaCheapest$426Average$779FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$434Average$670FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$449Average$637FlexibilityNo cancel feeOn-time76%
Azores AirlinesCheapest$456Average$604FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$466Average$751FlexibilityNo cancel feeOn-time71%

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