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$254+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LIS
Jul 10 — Jul 171
Fri 7/10
Fri 7/17
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 June 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/8. 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 10/110:55 pm
BOS
-
FAO
1 stop32h 05m
Multiple Airlines
Thu 10/151:35 pm
FAO
-
BOS
1 stop12h 30m
Multiple Airlines
Deal found 6/8$436
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 10/110:55 pm
BOS
-
FAO
1 stop32h 05m
Multiple Airlines
Tue 10/136:45 pm
FAO
-
BOS
1 stop31h 20m
Multiple Airlines
Deal found 6/8$445
This Iberia deal was found by Cheapflights users on 6/8. 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 10/411:35 pm
BOS
-
FAO
1 stop29h 10m
Iberia
Thu 10/159:40 am
FAO
-
BOS
1 stop16h 25m
Iberia
Deal found 6/8$486
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 10/710:55 pm
BOS
-
FAO
1 stop14h 10m
Multiple Airlines
Thu 10/151:35 pm
FAO
-
BOS
1 stop12h 30m
Multiple Airlines
Deal found 6/8$507
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 10/710:55 pm
BOS
-
FAO
1 stop14h 10m
Multiple Airlines
Wed 10/146:45 am
FAO
-
BOS
2 stops19h 20m
Multiple Airlines
Deal found 6/8$520
This Iberia deal was found by Cheapflights users on 6/8. 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 10/411:35 pm
BOS
-
FAO
1 stop29h 10m
Iberia
Sun 10/1112:05 pm
FAO
-
BOS
1 stop14h 40m
Iberia
Deal found 6/8$591
This oojo deal was found by Cheapflights users on 6/9. 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 11/116:00 pm
BOS
-
TER
1 stop25h 15m
TAP AIR PORTUGAL
Sun 11/1511:50 am
TER
-
BOS
1 stop12h 05m
TAP AIR PORTUGAL
Deal found 6/9$617
This KAYAK deal was found by Cheapflights users on 6/10. 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.
Tue 9/156:55 am
BOS
-
TER
1 stop25h 15m
Multiple Airlines
Tue 9/226:05 pm
TER
-
BOS
Nonstop5h 45m
Multiple Airlines
Deal found 6/10$618
This oojo deal was found by Cheapflights users on 6/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:00 pm
BOS
-
TER
1 stop13h 00m
TAP AIR PORTUGAL
Mon 11/22:55 pm
TER
-
BOS
1 stop33h 50m
TAP AIR PORTUGAL
Deal found 6/5$623
This oojo deal was found by Cheapflights users on 6/8. 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.
Mon 8/2410:45 pm
BOS
-
TER
1 stop20h 30m
TAP AIR PORTUGAL
Tue 9/87:05 am
TER
-
BOS
1 stop17h 15m
TAP AIR PORTUGAL
Deal found 6/8$627
This oojo deal was found by Cheapflights users on 6/7. 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.
Sat 11/76:00 pm
BOS
-
TER
1 stop13h 00m
TAP AIR PORTUGAL
Sat 11/1411:50 am
TER
-
BOS
1 stop12h 05m
TAP AIR PORTUGAL
Deal found 6/7$638
This oojo deal was found by Cheapflights users on 6/8. 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 11/16:00 pm
BOS
-
TER
1 stop13h 45m
TAP AIR PORTUGAL
Sun 11/811:50 am
TER
-
BOS
1 stop12h 05m
TAP AIR PORTUGAL
Deal found 6/8$647

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 June 10, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$436
(Kiwi.com)

One-way from

$254
(oojo)

Popular in

June

Cheapest in

February

Average price

$1,092

Good round-trip deal

$735 or less

Good one-way deal

$319 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. 19% potential increase in price ($203 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Massachusetts to Portugal.
Search Deals
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 June 10, 2026.
Use the filters below to find and compare flights from Massachusetts to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonLajes

BOS - TER

BOSTER

Boston Logan Intl

Tue 8/18

10:45 pm-11:15 pm

1 stop20h 30m

Lajes

Mon 8/31

1:40 pm-2:45 pm

1 stop29h 05m

$669

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Fri 10/30

6:00 am-9:30 am

1 stop23h 30m

Porto

Thu 11/5

12:35 pm-9:24 am

2 stops25h 49m

$696

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Thu 10/15

8:31 pm-7:10 am

2 stops29h 39m

Porto

Tue 10/20

11:15 am-2:35 pm

2 stops32h 20m

$699

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 8/10

1:34 pm-10:30 am

1 stop15h 56m

Porto

Fri 8/21

5:00 am-1:18 pm

1 stop13h 18m

$700

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 8/10

1:34 pm-10:30 am

1 stop15h 56m

Porto

Wed 8/26

11:45 am-1:25 am

2 stops18h 40m

$710

HartfordPorto

BDL - OPO

BDLOPO

Hartford Bradley Intl

Mon 11/2

7:51 pm-9:30 am

2 stops32h 39m

Porto

Thu 11/19

6:00 am-9:47 am

2 stops32h 47m

$722

HartfordPorto

BDL - OPO

BDLOPO

Hartford Bradley Intl

Tue 11/3

6:15 am-9:30 am

2 stops22h 15m

Porto

Tue 11/17

6:00 am-9:22 pm

2 stops20h 22m

$722

HartfordPorto

BDL - OPO

BDLOPO

Hartford Bradley Intl

Mon 12/7

6:15 am-9:30 am

2 stops22h 15m

Porto

Thu 12/10

6:00 am-6:38 pm

2 stops17h 38m

$722

BostonFaro

BOS - FAO

BOSFAO

Boston Logan Intl

Sun 8/2

5:45 am-9:55 am

2 stops23h 10m

Faro

Tue 8/18

7:05 pm-3:10 pm

1 stop25h 05m

$730

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 10/11

8:25 pm-7:00 am

2 stops29h 35m

Porto

Sun 10/18

11:20 am-4:46 pm

2 stops34h 26m

$738

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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, November is the cheapest month in which you can book a flight from Massachusetts to Portugal (average of $562). Flying from Massachusetts to Portugal in June is currently the most expensive (average of $1,035). 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 June 10, 2026.

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

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 June 10, 2026.

The most flights from USMA to PT0 are scheduled on a Monday (10 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (4 on average).

How far ahead should I book a flight from Massachusetts to Portugal?

The best time to book flights from Massachusetts to Portugal is 42 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 198 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 $700, TAP AIR PORTUGAL can have you in Portugal from Massachusetts in 15h 56m. 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?

    $176 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on Air Canada and KLM, with prices starting from $179 and $202, 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, November is the cheapest month in which you can book a flight from Massachusetts to Portugal (average of $562). Flying from Massachusetts to Portugal in June is currently the most expensive (average of $1,035). 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 June 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$248Average$608FlexibilityNo cancel feeOn-time79%
LEVELCheapest$272Average$514FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$343Average$555FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$362Average$593FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$363Average$628FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$378Average$612FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$379Average$601FlexibilityNo cancel feeOn-time69%
KLMCheapest$394Average$801FlexibilityNo cancel feeOn-time75%
DeltaCheapest$394Average$860FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$396Average$468FlexibilityNo cancel feeOn-time76%

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