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$253+ Cheap flights from Portugal to Boston (BOS)

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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BOS
Jul 13 — Jul 201
Mon 7/13
Mon 7/20
1 adult, Economy
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Cheap flight deals from Portugal to Boston

Cheapest flights from Portugal to Boston
Explore the most affordable flight options available from Portugal to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 13, 2026.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:00 pm
OPO
-
BOS
1 stop14h 05m
Multiple Airlines
Wed 10/1410:55 pm
BOS
-
OPO
1 stop12h 15m
Multiple Airlines
Deal found 6/9$397
This Air France deal was found by Cheapflights users on 6/11. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:00 am
OPO
-
BOS
1 stop16h 36m
Multiple Airlines
Tue 10/65:10 pm
BOS
-
OPO
1 stop17h 15m
Multiple Airlines
Deal found 6/11$509
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:55 am
OPO
-
BOS
1 stop12h 44m
Air France
Tue 9/299:45 pm
BOS
-
OPO
1 stop12h 40m
Air France
Deal found 6/10$515
This KLM deal was found by Cheapflights users on 6/11. 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.
Sat 10/35:55 am
OPO
-
BOS
1 stop18h 55m
KLM
Wed 10/79:45 pm
BOS
-
OPO
1 stop12h 40m
KLM
Deal found 6/11$534
This Virgin Atlantic deal was found by Cheapflights users on 6/12. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1910:00 am
LIS
-
BOS
1 stop11h 09m
Virgin Atlantic
Fri 6/2611:25 pm
BOS
-
LIS
Nonstop6h 20m
Virgin Atlantic
Deal found 6/12$543
This Rumbo 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:35 am
LIS
-
BOS
2 stops15h 25m
Multiple Airlines
Sun 10/189:55 pm
BOS
-
LIS
1 stop14h 50m
Multiple Airlines
Deal found 6/9$544
This Virgin Atlantic deal was found by Cheapflights users on 6/12. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2010:00 am
LIS
-
BOS
1 stop14h 14m
Virgin Atlantic
Fri 6/2611:25 pm
BOS
-
LIS
Nonstop6h 20m
Virgin Atlantic
Deal found 6/12$545
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/510:40 am
LIS
-
BOS
2 stops17h 06m
British Airways
Sun 11/89:30 pm
BOS
-
LIS
1 stop12h 20m
British Airways
Deal found 6/10$547
This Finnair deal was found by Cheapflights users on 6/11. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:45 pm
LIS
-
BOS
1 stop23h 45m
Multiple Airlines
Thu 11/199:30 pm
BOS
-
LIS
1 stop20h 55m
Multiple Airlines
Deal found 6/11$548
This LEVEL deal was found by Cheapflights users on 6/12. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/162:05 pm
OPO
-
BOS
1 stop12h 00m
LEVEL
Thu 9/1710:55 pm
BOS
-
OPO
1 stop28h 05m
LEVEL
Deal found 6/12$552
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2512:25 pm
OPO
-
BOS
1 stop12h 35m
Iberia
Wed 11/45:00 pm
BOS
-
OPO
1 stop9h 40m
Iberia
Deal found 6/11$554
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/98:20 am
OPO
-
BOS
1 stop12h 10m
Iberia
Sun 12/137:30 am
BOS
-
OPO
2 stops31h 30m
Iberia
Deal found 6/10$556

Find flight deals from Portugal to Boston

Keep the following information in mind while searching for Portugal to Boston flight deals. Data was last updated June 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$397
(Kiwi.com)

One-way from

$253
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$841

Good round-trip deal

$637 or less

Good one-way deal

$480 or less
Provider with most accurate pricing for Lisbon Humberto Delgado-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Boston Logan Intl flights.
Search Deals
From Portugal to Boston Logan Intl
Search Deals
One-way flight from Portugal to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($134 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 June 2026
Search Deals
Price to beat on a round-trip flight from Portugal to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from Portugal to Boston Logan Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portugal to Boston 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 13, 2026.
Use the filters below to find and compare flights from Portugal to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoBoston

OPO - BOS

OPOBOS

Porto

Sat 10/3

5:55 am-7:50 pm

1 stop18h 55m

Boston Logan Intl

Wed 10/7

9:45 pm-3:25 pm

1 stop12h 40m

$534

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Thu 11/5

10:40 am-10:46 pm

2 stops17h 06m

Boston Logan Intl

Sun 11/8

9:30 pm-2:50 pm

1 stop12h 20m

$547

PortoBoston

OPO - BOS

OPOBOS

Porto

Wed 9/16

2:05 pm-9:05 pm

1 stop12h 00m

Boston Logan Intl

Thu 9/17

10:55 pm-8:00 am

1 stop28h 05m

$552

PortoBoston

OPO - BOS

OPOBOS

Porto

Thu 10/29

10:00 am-6:27 pm

1 stop12h 27m

Boston Logan Intl

Mon 11/2

8:55 pm-3:25 pm

1 stop13h 30m

$619

PortoBoston

OPO - BOS

OPOBOS

Porto

Tue 8/25

8:25 am-8:55 pm

1 stop17h 30m

Boston Logan Intl

Wed 9/2

10:05 am-11:55 am

1 stop20h 50m

$680

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Thu 8/27

5:00 am-4:37 pm

1 stop16h 37m

Boston Logan Intl

Thu 9/3

9:45 pm-2:55 pm

1 stop12h 10m

$682

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Thu 9/3

11:05 am-11:48 pm

1 stop17h 43m

Boston Logan Intl

Sat 10/3

7:35 pm-6:05 pm

1 stop17h 30m

$700

PortoBoston

OPO - BOS

OPOBOS

Porto

Sun 8/30

6:20 am-5:40 pm

1 stop16h 20m

Boston Logan Intl

Sat 9/12

9:40 pm-6:30 pm

1 stop15h 50m

$716

PortoBoston

OPO - BOS

OPOBOS

Porto

Tue 7/7

1:30 pm-9:05 am

1 stop24h 35m

Boston Logan Intl

Mon 7/13

7:30 pm-11:45 am

1 stop11h 15m

$743

PortoBoston

OPO - BOS

OPOBOS

Porto

Thu 12/3

6:00 am-1:45 pm

1 stop12h 45m

Boston Logan Intl

Sun 12/6

1:30 pm-9:30 am

1 stop15h 00m

$746

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Portugal to Boston

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

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

Currently, April is the cheapest month in which you can book a flight from Portugal to Boston (average of $77). Flying from Portugal to Boston in July is currently the most expensive (average of $609). 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 PT to BOS?

Find hourly flight availability from Portugal to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 13, 2026.

When flying from Portugal to Boston, 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 Portugal to Boston

Explore weekly flight availability from Portugal to Boston. 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 13, 2026.

The most flights from PT0 to BOS 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 often are flights from Portugal to Boston delayed?

About 25% of weekly flights between Portugal and Boston have experienced delays in the past year, with the average delay time being 130 minutes.

What is the most punctual flight time for Portugal to Boston flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Portugal to Boston flights?

Over the last year, Delta have had the lowest number of delays on this route, with just 18% of flights being delayed.

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

The best time to book flights from Portugal to Boston is 64 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.

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated June 13, 2026.
See what other customers who have flown with Delta,Air France, andVirgin Atlantic from Portugal to Boston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,406 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Delta
7.9
Good
8,406 reviews
Delta
7.9
Good
8,406 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Air France
7.5
Good
1,603 reviews
Delta
7.9
Good
8,406 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Virgin Atlantic
7.5
Good
689 reviews
Delta
7.9
Good
8,406 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Azores Airlines
7.2
Good
104 reviews
Delta
7.9
Good
8,406 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
TAP AIR PORTUGAL
7.2
Good
2,272 reviews
Delta
7.9
Good
8,406 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

Related info for your journey

Find useful and relevant information for your journey from Portugal to Boston. 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 Boston from Portugal?

    For a flight from Portugal to Boston, you will be flying into Logan Intl. Boston Logan Intl (BOS) is just 2.6 mi from the center of the city.

  • How popular is this Portugal to Boston flight route?

    Flights from Portugal to Boston Logan Intl have been viewed 5 times in the past calendar month.

  • How long is the flight from Portugal to Boston?

    Airlines like KLM, British Airways, and Delta fly from Portugal to Boston in about 17h 06m. The time it takes to get you to your destination can typically vary by up to 1h 49m. The distance between Portugal and Boston is about 3182 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Portugal to Boston one-way?

    For one-way options, check prices for LEVEL. According to our data, you can fly for as low as $219. Users have also found prices from $273 and $297 on Iberia and Azores Airlines, respectively.

  • What are the most popular routes from Portugal to Boston?

    When deciding which route to take from Portugal to Boston consider Lisbon Humberto Delgado - Boston Logan Intl, Porto - Boston Logan Intl or Ponta Delgada Nordela - Boston Logan Intl as they are the most popular.

  • What are the most reliable airlines from Portugal to Boston?

    Before booking your flight to Boston from Portugal, check out the most reliable airlines to get you to your destination on time: airBaltic (81%), KLM (78%), Air France( 78%).

  • What are the cheapest flights from Portugal to Boston?

    Looking for the cheapest flight from Portugal to Boston? While on average our users pay $864, our data indicates the cheapest price to be $523. The most popular route (Lisbon Humberto Delgado - Boston Logan Intl), is priced around $375.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Portugal to Boston (average of $77). Flying from Portugal to Boston in July is currently the most expensive (average of $609). 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 Boston?

Book flights to Boston if you plan to visit one of these locations
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Top 6 airlines flying from Portugal to Boston

Discover the top 6 airlines that operate flights from Portugal to Boston. 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 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$486Average$780FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$526Average$715FlexibilityNo cancel feeOn-time75%
DeltaCheapest$537Average$804FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$544Average$701FlexibilityNo cancel feeOn-time72%
Air FranceCheapest$544Average$716FlexibilityNo cancel feeOn-time77%
Azores AirlinesCheapest$570Average$598FlexibilityNo cancel feeOn-time74%

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