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Portugal

$218+ Cheap flights from Massachusetts to Portugal

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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LIS
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap flight deals from Massachusetts to Portugal

Cheapest flights from Massachusetts to Portugal
Explore the most affordable flight options available from Massachusetts to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This British Airways deal was found by Cheapflights users on 12/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:35 pmBOS - OPO
1 stop14h 10mBritish Airways
Wed 1/76:35 pmOPO - BOS
1 stop32h 20mBritish Airways
Deal found 12/14$550
This Delta deal was found by Cheapflights users on 12/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:05 amBOS - OPO
2 stops23h 25mDelta
Fri 1/96:30 amOPO - BOS
1 stop17h 25mDelta
Deal found 12/14$620
This KLM deal was found by Cheapflights users on 12/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:30 pmBOS - OPO
1 stop11h 00mKLM
Sat 1/104:10 pmOPO - BOS
1 stop31h 45mKLM
Deal found 12/15$622
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:30 pmBOS - LIS
1 stop10h 25mBritish Airways
Thu 1/812:55 pmLIS - BOS
1 stop14h 00mBritish Airways
Deal found 12/16$664
This FlightHub deal was found by Cheapflights users on 12/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:50 pmBOS - LIS
2 stops19h 05mMultiple Airlines
Sun 1/119:20 pmLIS - BOS
1 stop25h 30mMultiple Airlines
Deal found 12/15$673
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:05 pmBOS - OPO
1 stop17h 55mTAP AIR PORTUGAL
Thu 1/86:00 pmOPO - BOS
1 stop25h 35mTAP AIR PORTUGAL
Deal found 12/14$678
This British Airways deal was found by Cheapflights users on 12/15. 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 12/319:35 pmBOS - LIS
1 stop12h 15mBritish Airways
Wed 1/76:35 pmLIS - BOS
1 stop32h 20mBritish Airways
Deal found 12/15$682
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:15 pmBOS - LIS
1 stop15h 00mUnited Airlines
Tue 1/2011:20 amLIS - BOS
2 stops31h 57mUnited Airlines
Deal found 12/16$687
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 12/305:30 amBOS - LIS
1 stop22h 50mUnited Airlines
Tue 1/1311:20 amLIS - BOS
2 stops30h 53mUnited Airlines
Deal found 12/15$695
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/312:15 pmBOS - LIS
1 stop15h 00mUnited Airlines
Tue 1/1311:20 amLIS - BOS
2 stops30h 53mUnited Airlines
Deal found 12/15$697
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:30 amBOS - LIS
1 stop22h 50mUnited Airlines
Tue 1/2011:20 amLIS - BOS
1 stop13h 22mUnited Airlines
Deal found 12/16$698
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 12/319:50 pmBOS - LIS
1 stop11h 45mSWISS
Tue 1/1312:35 pmLIS - BOS
1 stop12h 25mSWISS
Deal found 12/15$700

Find flight deals from Massachusetts to Portugal

Keep the following information in mind while searching for Massachusetts to Portugal flight deals. Data was last updated December 16, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$382
(American Airlines)

One-way from

$218
(oojo)

Popular in

June

Cheapest in

November

Average price

$869

Good round-trip deal

$547 or less

Good one-way deal

$279 or less
Provider with most accurate pricing for Boston Logan Intl-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Lisbon Humberto Delgado flights.
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From Massachusetts to Portugal
Search Deals
One-way flight from Massachusetts to Portugal
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($119 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Massachusetts to Portugal.
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Price to beat on a one-way flight from Massachusetts to Portugal.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Massachusetts to Portugal 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 16, 2025.
Use the filters below to find and compare flights from Massachusetts to Portugal that are best for you.

Fly from

Massachusetts

Fly to

Portugal

Route

Depart

Return

Price

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

Wed 3/11

11:00 am-10:30 am

2 stops19h 30m

Porto

Wed 3/25

5:00 am-7:55 pm

1 stop18h 55m

$400

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 3/16

7:45 pm-9:30 am

1 stop9h 45m

Porto

Mon 3/23

12:30 pm-2:10 pm

1 stop29h 40m

$403

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 3/15

7:57 pm-9:30 am

1 stop9h 33m

Porto

Mon 3/23

12:30 pm-2:10 pm

1 stop29h 40m

$403

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

Wed 3/11

5:25 pm-3:25 pm

1 stop18h 00m

Porto

Thu 3/19

12:35 pm-11:57 pm

2 stops15h 22m

$421

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 3/11

5:25 pm-3:25 pm

1 stop18h 00m

Porto

Tue 3/24

6:00 am-2:10 pm

1 stop12h 10m

$424

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 3/11

5:25 pm-3:25 pm

1 stop18h 00m

Porto

Wed 3/25

6:00 am-2:10 pm

1 stop12h 10m

$424

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 2/1

9:20 pm-4:00 pm

1 stop13h 40m

Porto

Sun 2/8

12:25 pm-10:56 pm

2 stops15h 31m

$436

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 60 results
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Best time to book a flight from Massachusetts to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal 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 Portugal

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

Currently, February is the cheapest month in which you can book a flight from Massachusetts to Portugal (average of $346). Flying from Massachusetts to Portugal in May is currently the most expensive (average of $479). 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 PT?

Find hourly flight availability from Massachusetts to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 16, 2025.

It’s typically best to fly out from Massachusetts to Portugal at noon. Doing so could potentially save you 22% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Massachusetts to Portugal?

Use this chart to determine the cheapest time to fly round-trip from Massachusetts to Portugal. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Massachusetts to Portugal flight should consider departing on Saturday evenings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Massachusetts to Portugal

Explore weekly flight availability from Massachusetts to Portugal. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 16, 2025.

The most flights from USMA to PT0 are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

Related info for your journey

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

  • How popular is this Massachusetts to Portugal flight route?

    This flight path from Massachusetts to Portugal was viewed by 231 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 Portugal?

    For as low as $403, Delta can have you in Portugal from Massachusetts in 9h 45m. Massachusetts and Portugal are separated by a distance of 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 Portugal 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 LEVEL and Iberia, with prices starting from $164 and $184, respectively.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Massachusetts to Portugal (average of $346). Flying from Massachusetts to Portugal in May is currently the most expensive (average of $479). 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

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Alternative routes for Massachusetts to Portugal

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 Portugal

Discover the top 10 airlines that operate flights from Massachusetts to Portugal. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
VuelingCheapest$165Average$589FlexibilityNo cancel feeOn-time88%
LEVELCheapest$228Average$525FlexibilityNo cancel feeOn-timeN/A
PLAYCheapest$328Average$379FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$338Average$658FlexibilityNo cancel feeOn-time79%
IberiaCheapest$343Average$598FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$370Average$543FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$374Average$679FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$381Average$508FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$393Average$679FlexibilityNo cancel feeOn-time71%
KLMCheapest$394Average$702FlexibilityNo cancel feeOn-time75%

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