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$289+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BOS
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
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 March 10, 2026.

This LEVEL deal was found by Cheapflights users on 3/7. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/219:15 pm
LIS
-
BOS
1 stop28h 50m
LEVEL
Tue 4/2810:50 pm
BOS
-
LIS
1 stop13h 20m
LEVEL
Deal found 3/7$513
This Delta deal was found by Cheapflights users on 3/6. 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.
Thu 4/165:00 am
LIS
-
BOS
1 stop13h 13m
Delta
Sat 4/259:45 pm
BOS
-
LIS
1 stop12h 10m
Delta
Deal found 3/6$518
This Ticket deal was found by Cheapflights users on 3/10. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:00 am
LIS
-
BOS
1 stop13h 13m
Multiple Airlines
Sat 4/2511:25 pm
BOS
-
LIS
Nonstop6h 20m
Multiple Airlines
Deal found 3/10$522
This Ticket deal was found by Cheapflights users on 3/8. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:40 pm
LIS
-
BOS
Nonstop7h 40m
TAP AIR PORTUGAL
Sat 4/2510:45 pm
BOS
-
LIS
Nonstop6h 35m
TAP AIR PORTUGAL
Deal found 3/8$525
This Mytrip deal was found by Cheapflights users on 3/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:00 pm
LIS
-
BOS
Nonstop7h 45m
TAP AIR PORTUGAL
Thu 4/2310:45 pm
BOS
-
LIS
Nonstop6h 35m
TAP AIR PORTUGAL
Deal found 3/7$529
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Tue 4/148:35 pm
LIS
-
BOS
1 stop29h 30m
Multiple Airlines
Fri 4/2410:50 pm
BOS
-
LIS
2 stops19h 35m
Multiple Airlines
Deal found 3/8$530
This Ticket deal was found by Cheapflights users on 3/10. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:45 pm
LIS
-
BOS
Nonstop7h 36m
KLM
Sat 4/2511:25 pm
BOS
-
LIS
Nonstop6h 20m
KLM
Deal found 3/10$536
This KLM deal was found by Cheapflights users on 3/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/47:00 pm
OPO
-
BOS
1 stop26h 25m
Multiple Airlines
Sat 4/257:05 pm
BOS
-
OPO
1 stop15h 20m
Multiple Airlines
Deal found 3/10$543
This KLM deal was found by Cheapflights users on 3/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:00 am
OPO
-
BOS
1 stop16h 25m
KLM
Tue 4/289:45 pm
BOS
-
OPO
1 stop19h 20m
KLM
Deal found 3/7$544
This KLM deal was found by Cheapflights users on 3/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:50 pm
OPO
-
BOS
1 stop26h 35m
KLM
Tue 4/149:45 pm
BOS
-
OPO
1 stop19h 20m
KLM
Deal found 3/10$545
This KLM deal was found by Cheapflights users on 3/6. 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.
Tue 3/174:10 pm
OPO
-
BOS
1 stop26h 10m
KLM
Mon 4/65:10 pm
BOS
-
OPO
1 stop17h 15m
KLM
Deal found 3/6$546
This KLM deal was found by Cheapflights users on 3/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:55 am
OPO
-
BOS
1 stop14h 00m
KLM
Sun 5/109:45 pm
BOS
-
OPO
1 stop12h 40m
KLM
Deal found 3/10$547

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$513
(LEVEL)

One-way from

$289
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$612

Good round-trip deal

$590 or less

Good one-way deal

$332 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. 12% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 10, 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

Sun 4/19

5:00 am-6:30 pm

1 stop18h 30m

Boston Logan Intl

Sun 4/26

9:50 pm-3:25 pm

1 stop12h 35m

$510

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Thu 4/16

5:00 am-1:13 pm

1 stop13h 13m

Boston Logan Intl

Sat 4/25

9:45 pm-2:55 pm

1 stop12h 10m

$518

PortoBoston

OPO - BOS

OPOBOS

Porto

Wed 4/29

5:00 am-6:30 pm

1 stop18h 30m

Boston Logan Intl

Mon 5/11

9:45 pm-10:00 pm

1 stop19h 15m

$545

PortoBoston

OPO - BOS

OPOBOS

Porto

Tue 4/21

11:30 am-11:07 pm

2 stops16h 37m

Boston Logan Intl

Tue 4/28

9:45 pm-3:25 pm

1 stop12h 40m

$553

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Tue 4/14

9:15 pm-9:05 pm

1 stop28h 50m

Boston Logan Intl

Fri 4/24

10:50 pm-8:30 am

1 stop28h 40m

$558

Ponta DelgadaBoston

PDL - BOS

PDLBOS

Ponta Delgada Nordela

Mon 4/13

8:15 pm-7:50 pm

1 stop27h 35m

Boston Logan Intl

Wed 4/22

9:15 pm-6:20 am

Nonstop5h 05m

$575
Quickest round-trip

Ponta DelgadaBoston

PDL - BOS

PDLBOS

Ponta Delgada Nordela

Mon 4/13

6:05 pm-7:50 pm

Nonstop5h 45m

Boston Logan Intl

Wed 4/22

9:15 pm-6:20 am

Nonstop5h 05m

$580

PortoBoston

OPO - BOS

OPOBOS

Porto

Thu 4/16

10:00 pm-9:05 pm

1 stop28h 05m

Boston Logan Intl

Thu 4/30

10:50 pm-8:00 am

1 stop28h 10m

$586

Ponta DelgadaBoston

PDL - BOS

PDLBOS

Ponta Delgada Nordela

Tue 4/7

7:30 am-7:50 pm

1 stop16h 20m

Boston Logan Intl

Tue 4/14

9:15 pm-6:20 am

Nonstop5h 05m

$602

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Thu 5/14

12:45 pm-3:15 pm

Nonstop7h 30m

Boston Logan Intl

Mon 5/18

8:25 pm-2:35 pm

1 stop13h 10m

$615

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 $223). Flying from Portugal to Boston in June is currently the most expensive (average of $541). 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 March 10, 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.

How often are flights from Portugal to Boston delayed?

About 29% of weekly flights between Portugal and Boston have experienced delays in the past year, with the average delay time being 134 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 21% of flights being delayed.

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 March 10, 2026.
See what other customers who have flown with Delta,Virgin Atlantic, andAir France 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
8,276 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,276 reviews
Delta
7.9
Good
8,276 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Virgin Atlantic
7.5
Good
680 reviews
Delta
7.9
Good
8,276 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air France
7.4
Good
1,543 reviews
Delta
7.9
Good
8,276 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Azores Airlines
7.3
Good
94 reviews
Delta
7.9
Good
8,276 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
TAP AIR PORTUGAL
7.1
Good
2,163 reviews
Delta
7.9
Good
8,276 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 2 times in the past calendar month.

  • How long is the flight from Portugal to Boston?

    Airlines like Delta, KLM, and LEVEL fly from Portugal to Boston in about 18h 30m. The time it takes to get you to your destination can typically vary by up to 10h 20m. The distance between Portugal and Boston is about 3134 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 $255 and $259 on Vueling and LEVEL, 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 (80%), Air France (80%), Delta( 80%).

  • What are the cheapest flights from Portugal to Boston?

    Looking for the cheapest flight from Portugal to Boston? While on average our users pay $1,219, our data indicates the cheapest price to be $477. The most popular route (Lisbon Humberto Delgado - Boston Logan Intl), is priced around $507.

  • 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 $223). Flying from Portugal to Boston in June is currently the most expensive (average of $541). 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
Medford
Cambridge
Concord
Hampton Beach
Watertown
Seekonk
Brockton
Seabrook
Cranston
Chelsea
Smithfield
Lincoln
Warwick
Peabody
Waltham
York Beach
Londonderry
Swansea
Old Orchard Beach
Quincy

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Portugal to Boston

Discover the top 7 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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$486Average$753FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$549Average$624FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$563Average$730FlexibilityNo cancel feeOn-time77%
Azores AirlinesCheapest$570Average$697FlexibilityNo cancel feeOn-time74%
DeltaCheapest$575Average$761FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$583Average$696FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$626Average$654FlexibilityNo cancel feeOn-time69%

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