HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto

$239+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — OPO
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Massachusetts to Porto 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.

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 September 16, 2025.

Round-trip from

$417
(Kiwi.com)

One-way from

$239
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$656

Good round-trip deal

$622 or less

Good one-way deal

$241 or less
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 ($121 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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.
Search Deals

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 September 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/711:56 amBOS - OPO
2 stops14h 44mAmerican Airlines
Fri 11/148:20 amOPO - BOS
1 stop11h 55mAmerican Airlines
Deal found 9/16$416
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/225:05 pmBOS - OPO
1 stop13h 20mMultiple Airlines
Sun 11/96:15 amOPO - BOS
1 stop17h 20mMultiple Airlines
Deal found 9/15$417
This United deal was found by Cheapflights users on 9/16. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/61:30 pmBOS - OPO
1 stop15h 00mMultiple Airlines
Tue 11/1112:05 pmOPO - BOS
1 stop13h 15mMultiple Airlines
Deal found 9/16$418
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/54:20 pmBOS - OPO
1 stop18h 05mUnited Airlines
Fri 11/1412:35 pmOPO - BOS
2 stops27h 03mUnited Airlines
Deal found 9/15$420
This Mytrip deal was found by Cheapflights users on 9/16. 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 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
Tue 12/212:05 pmOPO - BOS
1 stop13h 15mMultiple Airlines
Deal found 9/16$421
This KAYAK deal was found by Cheapflights users on 9/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/59:50 pmBOS - OPO
1 stop15h 45mSWISS
Tue 11/189:10 amOPO - BOS
2 stops16h 10mSWISS
Deal found 9/15$422
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/3012:03 pmBOS - OPO
2 stops15h 37mAmerican Airlines
Tue 11/48:20 amOPO - BOS
1 stop11h 55mAmerican Airlines
Deal found 9/15$424
This SWISS deal was found by Cheapflights users on 9/15. 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.
Mon 11/39:50 pmBOS - OPO
1 stop32h 25mSWISS
Sun 11/96:35 pmOPO - BOS
2 stops54h 45mSWISS
Deal found 9/15$425
This United deal was found by Cheapflights users on 9/14. 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.
Sat 10/259:13 pmBOS - OPO
1 stop32h 17mMultiple Airlines
Sun 11/96:15 amOPO - BOS
1 stop17h 20mMultiple Airlines
Deal found 9/14$427
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 11/65:30 amBOS - OPO
2 stops23h 00mUnited Airlines
Wed 11/1212:35 pmOPO - BOS
2 stops26h 59mUnited Airlines
Deal found 9/14$428
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/296:10 amBDL - OPO
2 stops29h 15mUnited Airlines
Wed 11/56:00 amOPO - BDL
2 stops37h 11mUnited Airlines
Deal found 9/14$572
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 10/3010:34 amBDL - OPO
2 stops21h 06mUnited Airlines
Thu 11/612:30 pmOPO - BDL
2 stops38h 08mUnited Airlines
Deal found 9/14$622

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 September 16, 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

Thu 11/6

1:30 pm-9:30 am

1 stop15h 00m

Porto

Tue 11/11

12:05 pm-8:20 pm

1 stop13h 15m

$418

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 3/11

8:00 pm-9:30 am

1 stop9h 30m

Porto

Fri 4/10

12:35 pm-8:13 pm

1 stop12h 38m

$420

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 3/8

8:00 pm-9:30 am

1 stop9h 30m

Porto

Thu 4/9

12:35 pm-8:13 pm

1 stop12h 38m

$420

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 3/10

6:30 pm-9:30 am

1 stop11h 00m

Porto

Fri 4/10

12:35 pm-8:13 pm

1 stop12h 38m

$420

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 3/11

8:00 pm-9:30 am

1 stop9h 30m

Porto

Thu 4/9

12:35 pm-8:13 pm

1 stop12h 38m

$420

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 11/9

6:25 pm-9:30 am

1 stop10h 05m

Porto

Sun 11/16

6:15 am-6:35 pm

1 stop17h 20m

$422

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Thu 11/13

10:40 am-9:30 am

2 stops17h 50m

Porto

Tue 12/2

12:05 pm-8:20 pm

1 stop13h 15m

$423

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 3/10

10:44 am-9:30 am

2 stops18h 46m

Porto

Wed 4/8

12:35 pm-6:13 pm

1 stop10h 38m

$424

HartfordPorto

BDL - OPO

BDLOPO

Hartford Bradley Intl

Mon 1/5

6:00 am-11:40 am

2 stops24h 40m

Porto

Thu 1/15

6:00 am-11:44 pm

2 stops22h 44m

$567

HartfordPorto

BDL - OPO

BDLOPO

Hartford Bradley Intl

Wed 1/7

10:07 am-11:40 am

2 stops20h 33m

Porto

Thu 1/15

6:00 am-11:44 pm

2 stops22h 44m

$567

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 27 results
1
2
3

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, January is the cheapest month in which you can book a flight from Massachusetts to Porto (average of $523). Flying from Massachusetts to Porto in June is currently the most expensive (average of $1,027). 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 September 16, 2025.

When flying from Massachusetts to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 9h 30m. 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, 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 $197. While the most popular route (Boston Logan Intl - Porto) can be booked for $355 on average, our data indicates $1,182 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, January is the cheapest month in which you can book a flight from Massachusetts to Porto (average of $523). Flying from Massachusetts to Porto in June is currently the most expensive (average of $1,027). 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

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 Massachusetts to Porto

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Lisbon flights
Newark to Lisbon flights
Boston to Lisbon flights
LaGuardia to Lisbon flights
Newark to Porto flights
Dulles Intl to Lisbon flights
San Francisco to Lisbon flights
Miami to Lisbon flights
O'Hare Intl to Lisbon flights
Dallas/Fort Worth to Lisbon flights
Baltimore to Lisbon flights
Reagan-National to Lisbon flights
Boston to Ponta Delgada flights
Philadelphia to Lisbon flights
Los Angeles to Lisbon flights
John F Kennedy Intl to Porto flights
Seattle to Lisbon flights
Boston to Porto flights
John F Kennedy Intl to Ponta Delgada flights
Atlanta to Lisbon flights
Minneapolis to Lisbon flights
LaGuardia to Porto flights
Denver to Lisbon flights
Hobby to Lisbon flights
John F Kennedy Intl to Funchal flights
Midway to Lisbon flights
Newark to Funchal flights
George Bush Intcntl to Lisbon flights
Raleigh to Lisbon flights
Charlotte to Lisbon flights
Orlando to Lisbon flights
LaGuardia to Funchal flights
Portland to Lisbon flights
Detroit to Lisbon flights
Newark to Ponta Delgada flights
Santa Ana to Lisbon flights
Love Field to Lisbon flights
San Diego to Lisbon flights
Dulles Intl to Porto flights
Fort Lauderdale to Lisbon flights
Tampa to Lisbon flights
Sky Harbor Intl to Lisbon flights
Austin to Lisbon flights
Atlanta to Porto flights
Reagan-National to Porto flights
John F Kennedy Intl to Faro flights
Seattle to Porto flights
Miami to Porto flights
Boston to Funchal flights
Baltimore to Porto flights

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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Azores AirlinesCheapest$299Average$587FlexibilityNo cancel feeOn-time74%
SWISSCheapest$338Average$609FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$374Average$644FlexibilityNo cancel feeOn-time70%
IberiaCheapest$375Average$605FlexibilityNo cancel feeOn-time77%
KLMCheapest$394Average$652FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$453Average$719FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$457Average$642FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$474Average$751FlexibilityNo cancel feeOn-time71%
TAP AIR PORTUGALCheapest$500Average$756FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$505Average$778FlexibilityNo cancel feeOn-timeN/A

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.