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$236+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — OPO
Mar 8 — Mar 151
Sun 3/8
Sun 3/15
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 February 6, 2026.

This oojo deal was found by Cheapflights users on 2/4. 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.
Sun 3/2910:45 pm
BOS
-
OPO
1 stop15h 15m
TAP AIR PORTUGAL
Mon 4/610:35 pm
OPO
-
BOS
1 stop21h 05m
TAP AIR PORTUGAL
Deal found 2/4$364
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Mon 2/237:19 pm
BOS
-
OPO
2 stops33h 11m
United Airlines
Thu 3/1212:35 pm
OPO
-
BOS
2 stops15h 22m
United Airlines
Deal found 2/5$367
This Mytrip deal was found by Cheapflights users on 2/2. 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.
Wed 11/45:30 am
BOS
-
OPO
2 stops24h 45m
Multiple Airlines
Thu 11/1212:05 pm
OPO
-
BOS
1 stop13h 15m
Multiple Airlines
Deal found 2/2$368
This FlightHub deal was found by Cheapflights users on 2/4. 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.
Wed 10/219:35 am
BOS
-
OPO
2 stops16h 25m
Multiple Airlines
Wed 11/47:20 pm
OPO
-
BOS
1 stop30h 00m
Multiple Airlines
Deal found 2/4$369
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Wed 2/189:50 pm
BOS
-
OPO
1 stop32h 20m
SWISS
Tue 2/247:25 pm
OPO
-
BOS
1 stop29h 55m
SWISS
Deal found 2/3$370
This Trip.com deal was found by Cheapflights users on 2/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3010:45 pm
BOS
-
OPO
1 stop15h 15m
TAP AIR PORTUGAL
Mon 4/610:35 pm
OPO
-
BOS
1 stop21h 05m
TAP AIR PORTUGAL
Deal found 2/3$372
This Mytrip deal was found by Cheapflights users on 2/3. 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.
Wed 2/184:35 pm
BOS
-
OPO
2 stops21h 00m
Multiple Airlines
Tue 2/247:25 pm
OPO
-
BOS
2 stops43h 07m
Multiple Airlines
Deal found 2/3$373
This eDestinos deal was found by Cheapflights users on 2/2. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:34 am
BOS
-
OPO
2 stops15h 06m
Iberia
Wed 3/1112:25 pm
OPO
-
BOS
1 stop12h 25m
Iberia
Deal found 2/2$374
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 2/249:50 pm
BOS
-
OPO
1 stop15h 40m
SWISS
Mon 3/99:10 am
OPO
-
BOS
2 stops40h 10m
SWISS
Deal found 2/3$375
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Mon 2/236:27 pm
BOS
-
OPO
1 stop10h 03m
United Airlines
Tue 3/1012:35 pm
OPO
-
BOS
1 stop13h 06m
United Airlines
Deal found 2/5$376
This Gotogate deal was found by Cheapflights users on 2/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:15 am
BOS
-
OPO
2 stops31h 15m
Multiple Airlines
Mon 3/27:20 pm
OPO
-
BOS
1 stop30h 00m
Multiple Airlines
Deal found 2/4$378
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 3/410:05 am
BDL
-
OPO
2 stops18h 25m
United Airlines
Wed 3/1112:30 pm
OPO
-
BDL
2 stops26h 23m
United Airlines
Deal found 2/3$492

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 February 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$364
(oojo)

One-way from

$236
(Lufthansa)

Popular in

June

Cheapest in

February

Average price

$437

Good round-trip deal

$546 or less

Good one-way deal

$284 or less
Provider with most accurate pricing for Boston Logan Intl-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Porto flights.
Search Deals
From Massachusetts to Porto
Search Deals
One-way flight from Massachusetts to Porto
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($151 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Massachusetts to Porto.
Search Deals
Price to beat on a one-way flight from Massachusetts to Porto.
Search Deals

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 February 6, 2026.
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

Mon 2/23

6:27 pm-9:30 am

1 stop10h 03m

Porto

Thu 3/12

12:35 pm-9:41 pm

1 stop13h 06m

$371

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 3/2

4:15 pm-9:30 am

1 stop12h 15m

Porto

Wed 3/11

12:35 pm-9:41 pm

1 stop13h 06m

$376

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 2/25

2:20 pm-9:30 am

2 stops14h 10m

Porto

Wed 3/11

12:35 pm-11:57 pm

2 stops15h 22m

$381

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 2/23

12:35 pm-9:30 am

2 stops15h 55m

Porto

Tue 3/10

12:35 pm-11:57 pm

2 stops15h 22m

$381

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 2/23

12:35 pm-9:30 am

2 stops15h 55m

Porto

Wed 3/11

12:35 pm-11:57 pm

2 stops15h 22m

$381

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 2/24

12:35 pm-9:30 am

2 stops15h 55m

Porto

Tue 3/10

12:35 pm-9:41 pm

1 stop13h 06m

$381

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 2/25

2:20 pm-9:30 am

2 stops14h 10m

Porto

Thu 3/12

12:35 pm-11:57 pm

2 stops15h 22m

$381

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 3/4

8:40 pm-1:15 pm

1 stop11h 35m

Porto

Thu 3/12

12:05 pm-9:20 pm

1 stop13h 15m

$390

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 2/23

9:45 am-9:30 am

2 stops18h 45m

Porto

Mon 3/2

12:30 pm-1:10 pm

1 stop29h 40m

$409

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 5/11

9:20 pm-8:00 pm

1 stop17h 40m

Porto

Wed 11/18

12:25 pm-10:46 pm

2 stops15h 21m

$414

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

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, February is the cheapest month in which you can book a flight from Massachusetts to Porto (average of $356). Flying from Massachusetts to Porto in June is currently the most expensive (average of $568). 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.

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 26 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 10h 03m. 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 Lufthansa and Delta, with prices starting from $176 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 $255. While the most popular route (Boston Logan Intl - Porto) can be booked for $364 on average, our data indicates $587 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, February is the cheapest month in which you can book a flight from Massachusetts to Porto (average of $356). Flying from Massachusetts to Porto in June is currently the most expensive (average of $568). 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
Vila Nova de Gaia
Aveiro
Arcos de Valdevez
Coimbra

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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 February 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$338Average$616FlexibilityNo cancel feeOn-time79%
IberiaCheapest$373Average$556FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$374Average$644FlexibilityNo cancel feeOn-time70%
KLMCheapest$394Average$632FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$395Average$751FlexibilityNo cancel feeOn-time71%
DeltaCheapest$396Average$810FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$398Average$681FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$411Average$636FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$413Average$756FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$434Average$662FlexibilityNo cancel feeOn-time67%

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