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$298+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — OPO
Jul 23 — Jul 301
Wed 7/23
Wed 7/30
1 adult, Economy
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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 July 18, 2025.

Round-trip from

$485
(Kiwi.com)

One-way from

$298
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$790

Good round-trip deal

$583 or less

Good one-way deal

$362 or less
From Massachusetts to Porto
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One-way flight from Massachusetts to Porto
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Highest demand for flights based on searches. 15% potential increase in price ($118 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in July 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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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 July 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2510:40 pmBOS - OPO
1 stop15h 20mTAP AIR PORTUGAL
Thu 9/1110:00 amOPO - BOS
1 stop14h 50mTAP AIR PORTUGAL
Deal found 7/16$485
This Kiwi.com deal was found by Cheapflights users on 7/17. 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.
Sat 8/2311:00 pmBOS - OPO
1 stop11h 35mMultiple Airlines
Tue 9/97:35 amOPO - BOS
1 stop18h 40mMultiple Airlines
Deal found 7/17$486
This Iberia deal was found by Cheapflights users on 7/17. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/214:30 pmBOS - OPO
2 stops14h 10mIberia
Sun 10/58:15 amOPO - BOS
1 stop16h 35mIberia
Deal found 7/17$489
This American Airlines deal was found by Cheapflights users on 7/16. 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.
Sat 10/251:01 pmBOS - OPO
2 stops14h 39mAmerican Airlines
Fri 10/318:40 pmOPO - BOS
1 stop23h 35mAmerican Airlines
Deal found 7/16$490
This SWISS deal was found by Cheapflights users on 7/15. 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.
Tue 8/265:05 pmBOS - OPO
2 stops15h 40mSWISS
Fri 9/128:40 amOPO - BOS
1 stop11h 45mSWISS
Deal found 7/15$492
This United Airlines deal was found by Cheapflights users on 7/15. 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.
Mon 8/2510:20 amBOS - OPO
1 stop18h 15mUnited Airlines
Sun 9/2111:20 amOPO - BOS
1 stop11h 35mUnited Airlines
Deal found 7/15$494
This Lufthansa deal was found by Cheapflights users on 7/17. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/268:05 pmBOS - OPO
2 stops21h 45mLufthansa
Fri 9/126:15 amOPO - BOS
1 stop16h 25mLufthansa
Deal found 7/17$496
This Delta deal was found by Cheapflights users on 7/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/258:50 pmBOS - OPO
2 stops16h 05mDelta
Wed 9/311:35 amOPO - BOS
2 stops18h 49mDelta
Deal found 7/16$497
This Air Canada deal was found by Cheapflights users on 7/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/246:55 pmBOS - OPO
2 stops33h 40mAir Canada
Sun 9/711:20 amOPO - BOS
1 stop27h 10mAir Canada
Deal found 7/17$501
This British Airways deal was found by Cheapflights users on 7/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:25 amBOS - OPO
1 stop20h 40mBritish Airways
Fri 9/2611:15 amOPO - BOS
1 stop13h 55mBritish Airways
Deal found 7/15$508
This Gotogate deal was found by Cheapflights users on 7/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/106:10 amBDL - OPO
2 stops46h 25mMultiple Airlines
Tue 8/266:00 amOPO - BDL
2 stops22h 41mMultiple Airlines
Deal found 7/15$742
This United Airlines deal was found by Cheapflights users on 7/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/69:35 amALB - OPO
2 stops19h 10mUnited Airlines
Sun 10/2612:40 pmOPO - ALB
2 stops27h 26mUnited Airlines
Deal found 7/17$814

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 July 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

Thu 8/28

10:25 pm-11:00 pm

1 stop19h 35m

Porto

Wed 9/17

9:00 am-2:20 pm

1 stop10h 20m

$485

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sat 8/23

11:00 pm-3:35 pm

1 stop11h 35m

Porto

Tue 9/9

7:35 am-9:15 pm

1 stop18h 40m

$486

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 9/21

4:30 pm-11:40 am

2 stops14h 10m

Porto

Sun 10/5

8:15 am-7:50 pm

1 stop16h 35m

$489

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Fri 8/22

7:15 pm-8:05 pm

1 stop19h 50m

Porto

Sat 8/30

9:05 pm-5:50 pm

1 stop25h 45m

$490

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 8/26

5:05 pm-1:45 pm

2 stops15h 40m

Porto

Fri 9/5

8:40 am-7:55 pm

1 stop16h 15m

$492

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 8/27

5:50 am-9:20 am

1 stop22h 30m

Porto

Sun 9/14

11:20 am-9:30 am

1 stop27h 10m

$494

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 8/26

8:05 pm-10:50 pm

2 stops21h 45m

Porto

Wed 9/17

6:15 am-5:40 pm

1 stop16h 25m

$496

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 8/25

8:50 pm-5:55 pm

2 stops16h 05m

Porto

Wed 9/3

11:35 am-1:24 am

2 stops18h 49m

$497

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 8/24

6:55 pm-9:35 am

2 stops33h 40m

Porto

Sun 9/14

11:20 am-9:30 am

1 stop27h 10m

$501

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 8/11

9:20 pm-7:35 am

1 stop29h 15m

Porto

Fri 8/22

11:15 am-10:40 pm

1 stop16h 25m

$531

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 26 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 $1,033). 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 July 18, 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.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated July 18, 2025.
Get a feel of what it's like to fly with Delta, Azores Airlines, and SWISS from Massachusetts to Porto by reading reviews from past customers. 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
7,958 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,958 reviews
Delta
8.0
Very good
7,958 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Azores Airlines
7.5
Good
67 reviews
Delta
8.0
Very good
7,958 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,661 reviews
Delta
8.0
Very good
7,958 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,864 reviews
Delta
8.0
Very good
7,958 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Brussels Airlines
7.3
Good
349 reviews
Delta
8.0
Very good
7,958 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    $314 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Iberia and Azores Airlines, with prices starting from $322 and $354, 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 $251. While the most popular route (Boston Logan Intl - Porto) can be booked for $337 on average our data indicates $1,521 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 $1,033). 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
Coimbra
Matosinhos

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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 July 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Azores AirlinesCheapest$306Average$589FlexibilityNo cancel feeOn-time74%
SWISSCheapest$338Average$613FlexibilityNo cancel feeOn-time79%
IberiaCheapest$398Average$626FlexibilityNo cancel feeOn-time77%
KLMCheapest$467Average$651FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$484Average$683FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$500Average$728FlexibilityNo cancel feeOn-time69%
DeltaCheapest$505Average$775FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$515Average$660FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$521Average$766FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$522Average$761FlexibilityNo cancel feeOn-time71%

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