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$196+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BOS
Jun 18 — Jun 251
Wed 6/18
Wed 6/25
1 adult, Economy
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Cheap 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, 2025.

Round-trip from

$481
(Kiwi.com)

One-way from

$196
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$726

Good round-trip deal

$544 or less

Good one-way deal

$341 or less
From Portugal to Boston Logan Intl
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One-way flight from Portugal to Boston Logan Intl
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Highest demand for flights based on searches. 12% potential increase in price ($96 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Portugal to Boston Logan Intl.
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Price to beat on a one-way flight from Portugal to Boston Logan Intl.
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Find 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, 2025.

This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/291:40 pmOPO - BOS
1 stop12h 35mMultiple Airlines
Sun 9/711:00 pmBOS - OPO
2 stops26h 50mMultiple Airlines
Deal found 6/11$481
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/216:55 pmOPO - BOS
1 stop23h 35mKLM
Sat 7/125:20 pmBOS - OPO
1 stop10h 05mKLM
Deal found 6/12$528
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/47:05 amLIS - BOS
1 stop11h 55mAmerican Airlines
Mon 11/1710:00 pmBOS - LIS
1 stop18h 55mAmerican Airlines
Deal found 6/12$548
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:35 amLIS - BOS
1 stop18h 15mBritish Airways
Wed 9/107:40 pmBOS - LIS
1 stop22h 30mBritish Airways
Deal found 6/11$552
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/611:35 amLIS - BOS
Nonstop7h 55mTAP AIR PORTUGAL
Sun 11/166:05 pmBOS - LIS
Nonstop6h 30mTAP AIR PORTUGAL
Deal found 6/12$553
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/37:20 amLIS - BOS
1 stop14h 50mMultiple Airlines
Thu 9/119:20 pmBOS - LIS
1 stop17h 45mMultiple Airlines
Deal found 6/11$556
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/89:05 pmOPO - BOS
1 stop25h 45mPLAY
Fri 7/257:15 pmBOS - OPO
1 stop19h 50mPLAY
Deal found 6/12$559
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:30 amLIS - BOS
1 stop13h 45mIberia
Mon 11/176:48 pmBOS - LIS
1 stop9h 17mIberia
Deal found 6/12$565
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1412:10 pmLIS - BOS
1 stop13h 10mDelta
Sat 10/2510:35 pmBOS - LIS
Nonstop6h 25mDelta
Deal found 6/11$567
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/278:15 amOPO - BOS
1 stop11h 45mBritish Airways
Mon 9/84:30 pmBOS - OPO
2 stops22h 20mBritish Airways
Deal found 6/11$568
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/264:35 pmOPO - BOS
1 stop27h 25mIberia
Thu 9/49:20 pmBOS - OPO
1 stop17h 35mIberia
Deal found 6/11$578
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/82:00 pmLIS - BOS
1 stop12h 15mVueling
Wed 9/1011:00 pmBOS - LIS
1 stop17h 30mVueling
Deal found 6/11$598

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, 2025.
Use the filters below to find and compare flights from Portugal to Boston that are best for you.

Fly from

Portugal

Fly to

Boston

Route

Depart

Return

Price

PortoBoston

OPO - BOS

OPOBOS

Porto

Fri 8/29

1:40 pm-9:15 pm

1 stop12h 35m

Boston Logan Intl

Sun 9/7

11:00 pm-6:50 am

2 stops26h 50m

$481

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Tue 11/4

7:05 am-9:55 pm

1 stop19h 50m

Boston Logan Intl

Sun 11/16

10:00 pm-9:45 pm

1 stop18h 45m

$548

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Thu 9/4

8:25 am-3:00 pm

1 stop11h 35m

Boston Logan Intl

Sat 9/13

9:55 pm-11:10 pm

1 stop20h 15m

$552

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Thu 11/6

11:35 am-2:30 pm

Nonstop7h 55m

Boston Logan Intl

Sun 11/16

6:05 pm-5:35 am

Nonstop6h 30m

$553

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Wed 9/3

7:20 am-5:10 pm

1 stop14h 50m

Boston Logan Intl

Thu 9/11

9:20 pm-8:05 pm

1 stop17h 45m

$556

PortoBoston

OPO - BOS

OPOBOS

Porto

Tue 7/8

9:05 pm-5:50 pm

1 stop25h 45m

Boston Logan Intl

Fri 7/25

7:15 pm-8:05 pm

1 stop19h 50m

$559

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Sat 11/8

6:30 am-3:15 pm

1 stop13h 45m

Boston Logan Intl

Mon 11/17

6:48 pm-9:05 am

1 stop9h 17m

$565

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Sun 9/14

12:10 pm-8:20 pm

1 stop13h 10m

Boston Logan Intl

Sat 10/25

10:35 pm-9:00 am

Nonstop6h 25m

$567

PortoBoston

OPO - BOS

OPOBOS

Porto

Wed 8/27

8:15 am-3:00 pm

1 stop11h 45m

Boston Logan Intl

Mon 9/8

4:30 pm-7:50 pm

2 stops22h 20m

$568

PortoBoston

OPO - BOS

OPOBOS

Porto

Tue 8/26

4:35 pm-3:00 pm

1 stop27h 25m

Boston Logan Intl

Thu 9/4

9:20 pm-7:55 pm

1 stop17h 35m

$578

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 60 results
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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, January is the cheapest month in which you can book a flight from Portugal to Boston (average of $218). Flying from Portugal to Boston in June is currently the most expensive (average of $306). 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, 2025.

When flying from Portugal to Boston, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 20% versus a flight in the morning.

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, 2025.

The most flights from PT0 to BOS are scheduled on a Monday (9 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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, 2025.
To help decide which airline to fly from Portugal to Boston, see what other customers have to say about Emirates, Delta and KLM. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,265 reviews

Food

7.8

Comfort

8.0

Boarding

8.1

Overall

8.1

Crew

8.3

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Emirates
8.1
Very good
3,265 reviews
Emirates
8.1
Very good
3,265 reviews

Food

7.8

Comfort

8.0

Boarding

8.1

Overall

8.1

Crew

8.3

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Delta
8.0
Very good
7,950 reviews
Emirates
8.1
Very good
3,265 reviews

Food

7.8

Comfort

8.0

Boarding

8.1

Overall

8.1

Crew

8.3

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
KLM
7.8
Good
1,360 reviews
Emirates
8.1
Very good
3,265 reviews

Food

7.8

Comfort

8.0

Boarding

8.1

Overall

8.1

Crew

8.3

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Azores Airlines
7.6
Good
66 reviews
Emirates
8.1
Very good
3,265 reviews

Food

7.8

Comfort

8.0

Boarding

8.1

Overall

8.1

Crew

8.3

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Austrian Airlines
7.6
Good
802 reviews
Emirates
8.1
Very good
3,265 reviews

Food

7.8

Comfort

8.0

Boarding

8.1

Overall

8.1

Crew

8.3

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

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 3 times in the past calendar month.

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

    For one-way options, check prices for Azores Airlines. According to our data, you can fly for as low as $311. Users have also found prices from $349 and $369 on Iberia and TAP AIR PORTUGAL, 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: KLM (75%), Air France (75%), Delta( 75%).

  • What are the cheapest flights from Portugal to Boston?

    Looking for the cheapest flight from Portugal to Boston? While on average our users pay $1,325, our data indicates the cheapest price to be $378. The most popular route (Lisbon Humberto Delgado - Boston Logan Intl), is priced around $378.

  • 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, January is the cheapest month in which you can book a flight from Portugal to Boston (average of $218). Flying from Portugal to Boston in June is currently the most expensive (average of $306). 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 Portugal?

Book flights to Portugal if you plan to visit one of these locations
Cambridge
Medford
Watertown
Warwick
Waltham
Framingham
Seabrook
Cranston
Randolph
Chestnut Hill
Lowell
Chelsea
Marlborough
Brockton
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Swansea

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Alternative routes for Portugal to Boston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Portugal to Boston

Discover the top 8 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, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$171Average$450FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$440Average$637FlexibilityNo cancel feeOn-time75%
TAP AIR PORTUGALCheapest$446Average$687FlexibilityNo cancel feeOn-timeN/A
Azores AirlinesCheapest$451Average$732FlexibilityNo cancel feeOn-time74%
Air FranceCheapest$513Average$635FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$519Average$671FlexibilityNo cancel feeOn-time70%
DeltaCheapest$575Average$689FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$602Average$857FlexibilityNo cancel feeOn-time72%

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