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$263+ 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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — OPO
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find 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 November 3, 2025.

This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:25 pmBOS - OPO
1 stop10h 05mUnited Airlines
Mon 12/112:30 pmOPO - BOS
2 stops30h 35mUnited Airlines
Deal found 11/2$402
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/242:21 pmBOS - OPO
2 stops14h 09mUnited Airlines
Wed 12/312:30 pmOPO - BOS
2 stops37h 57mUnited Airlines
Deal found 11/2$403
This United deal was found by Cheapflights users on 11/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/98:55 pmBOS - OPO
1 stop31h 35mMultiple Airlines
Tue 11/184:15 pmOPO - BOS
1 stop26h 10mMultiple Airlines
Deal found 11/1$404
This oojo deal was found by Cheapflights users on 11/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:05 pmBOS - OPO
1 stop11h 55mTAP AIR PORTUGAL
Wed 12/36:00 pmOPO - BOS
1 stop31h 10mTAP AIR PORTUGAL
Deal found 11/2$406
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/235:30 amBOS - OPO
2 stops23h 00mUnited Airlines
Tue 12/212:30 pmOPO - BOS
2 stops35h 42mUnited Airlines
Deal found 11/2$409
This United deal was found by Cheapflights users on 11/2. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/259:00 amBOS - OPO
2 stops21h 40mMultiple Airlines
Wed 12/312:10 pmOPO - BOS
1 stop13h 10mMultiple Airlines
Deal found 11/2$413
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:10 pmBOS - OPO
1 stop32h 00mSWISS
Wed 12/312:10 pmOPO - BOS
1 stop13h 10mSWISS
Deal found 11/2$415
This oojo deal was found by Cheapflights users on 11/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1310:45 pmBOS - OPO
1 stop14h 15mTAP AIR PORTUGAL
Thu 11/202:00 pmOPO - BOS
1 stop11h 10mTAP AIR PORTUGAL
Deal found 11/2$418
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/268:00 amBOS - OPO
2 stops21h 30mDelta
Wed 12/311:25 amOPO - BOS
2 stops29h 01mDelta
Deal found 11/2$420
This Mytrip deal was found by Cheapflights users on 11/1. 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.
Thu 11/1310:15 amBOS - OPO
2 stops19h 55mMultiple Airlines
Thu 11/206:00 amOPO - BOS
1 stop12h 25mMultiple Airlines
Deal found 11/1$422
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:45 pmBOS - OPO
1 stop11h 15mTAP AIR PORTUGAL
Thu 12/42:00 pmOPO - BOS
1 stop11h 10mTAP AIR PORTUGAL
Deal found 11/2$423
This United Airlines deal was found by Cheapflights users on 11/1. 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 11/36:00 amALB - OPO
2 stops22h 30mUnited Airlines
Mon 11/106:00 amOPO - ALB
2 stops40h 27mUnited Airlines
Deal found 11/1$781

Cheap flight deals from Massachusetts to Porto

Keep the following information in mind while searching for Massachusetts to Porto flight deals. Data was last updated November 3, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$402
(United Airlines)

One-way from

$263
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$576

Good round-trip deal

$628 or less

Good one-way deal

$181 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
Search Deals
One-way flight from Massachusetts to Porto
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($118 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 November 2025
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.
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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 November 3, 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 11/26

6:25 pm-9:30 am

1 stop10h 05m

Porto

Mon 12/1

12:30 pm-2:05 pm

2 stops30h 35m

$402

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sat 11/29

10:25 pm-3:00 pm

1 stop11h 35m

Porto

Sun 12/7

5:00 am-2:35 pm

1 stop14h 35m

$403

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 11/24

2:21 pm-9:30 am

2 stops14h 09m

Porto

Wed 12/3

12:30 pm-9:27 pm

2 stops37h 57m

$403

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 11/24

2:21 pm-9:30 am

2 stops14h 09m

Porto

Tue 12/2

12:30 pm-7:12 pm

2 stops35h 42m

$403

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 11/9

8:55 pm-9:30 am

1 stop31h 35m

Porto

Tue 11/18

4:15 pm-1:25 pm

1 stop26h 10m

$404

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 11/23

5:30 am-9:30 am

2 stops23h 00m

Porto

Tue 12/2

12:30 pm-7:12 pm

2 stops35h 42m

$409

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 11/23

5:30 am-9:30 am

2 stops23h 00m

Porto

Wed 12/3

12:30 pm-2:52 pm

2 stops31h 22m

$409

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Fri 1/30

6:05 pm-9:50 am

1 stop10h 45m

Porto

Fri 2/6

9:00 am-2:35 pm

1 stop10h 35m

$417

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 11/26

8:00 am-10:30 am

2 stops21h 30m

Porto

Wed 12/3

11:25 am-11:26 am

2 stops29h 01m

$420

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 11/25

6:05 pm-10:10 am

1 stop11h 05m

Porto

Wed 12/3

8:00 pm-8:10 pm

1 stop29h 10m

$420

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 30 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 $372). Flying from Massachusetts to Porto in June is currently the most expensive (average of $566). 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 November 3, 2025.

It’s typically best to fly out from Massachusetts to Porto in the morning. Doing so could potentially save you 48% 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 23 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 05m. 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 most popular routes from Massachusetts to Porto?

    Most travelers choose Boston Logan Intl - Porto, Albany Intl - Porto or Hartford Bradley 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 $138. While the most popular route (Boston Logan Intl - Porto) can be booked for $346 on average, our data indicates $484 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 $372). Flying from Massachusetts to Porto in June is currently the most expensive (average of $566). 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

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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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$338Average$608FlexibilityNo cancel feeOn-time79%
IberiaCheapest$373Average$582FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$374Average$645FlexibilityNo cancel feeOn-time70%
KLMCheapest$394Average$622FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$434Average$701FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$450Average$711FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$457Average$644FlexibilityNo cancel feeOn-time76%
Azores AirlinesCheapest$460Average$603FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$466Average$751FlexibilityNo cancel feeOn-time71%
TAP AIR PORTUGALCheapest$487Average$752FlexibilityNo cancel feeOn-timeN/A

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