HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$237+ Cheap flights from Boston (BOS) 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LIS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Portugal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Boston to Portugal

Keep the following information in mind while searching for Boston to Portugal flight deals. Data was last updated June 12, 2025.

Round-trip from

$400
(Flightnetwork)

One-way from

$237
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$1,016

Good round-trip deal

$628 or less

Good one-way deal

$363 or less
From Boston Logan Intl to Portugal
Search Deals
One-way flight from Boston Logan Intl to Portugal
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($115 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Portugal.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Portugal.
Search Deals

Find flight deals from Boston to Portugal

Cheapest flights from Boston to Portugal
Explore the most affordable flight options available from Boston to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Flightnetwork 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/45:30 pmBOS - FAO
1 stop12h 05mAer Lingus
Tue 8/1911:45 amFAO - BOS
1 stop12h 00mAer Lingus
Deal found 6/12$400
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:25 pmBOS - FAO
1 stop14h 00mBritish Airways
Wed 11/1211:25 amFAO - BOS
2 stops32h 50mBritish Airways
Deal found 6/12$428
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/245:40 pmBOS - FNC
1 stop18h 00mScandinavian Airlines
Sat 11/14:10 pmFNC - BOS
1 stop28h 40mScandinavian Airlines
Deal found 6/11$454
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.
Wed 10/88:15 pmBOS - FAO
1 stop29h 55mKLM
Wed 10/158:50 amFAO - BOS
1 stop14h 30mKLM
Deal found 6/12$454
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1511:05 pmBOS - FNC
1 stop16h 50mTAP AIR PORTUGAL
Mon 10/208:55 amFNC - BOS
1 stop16h 50mTAP AIR PORTUGAL
Deal found 6/11$462
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 8/69:04 amBOS - FAO
2 stops21h 46mIberia
Wed 8/1312:30 pmFAO - BOS
2 stops33h 26mIberia
Deal found 6/10$463
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2210:40 pmBOS - TER
1 stop20h 35mTAP AIR PORTUGAL
Tue 10/77:05 amTER - BOS
1 stop11h 15mTAP AIR PORTUGAL
Deal found 6/11$476
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/138:15 pmBOS - FNC
1 stop16h 35mBritish Airways
Tue 10/216:40 pmFNC - BOS
2 stops33h 09mBritish Airways
Deal found 6/10$484
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.
Mon 9/1511:00 pmBOS - LIS
1 stop13h 05mVueling
Thu 10/22:00 pmLIS - BOS
1 stop12h 15mVueling
Deal found 6/12$495
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/176:10 pmBOS - LIS
Nonstop6h 30mMultiple Airlines
Thu 9/189:10 amLIS - BOS
1 stop17h 05mMultiple Airlines
Deal found 6/10$496
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:10 pmBOS - LIS
Nonstop6h 30mTAP AIR PORTUGAL
Fri 10/1010:00 pmLIS - BOS
1 stop27h 20mTAP AIR PORTUGAL
Deal found 6/11$497
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.
Sun 10/511:55 pmBOS - LIS
1 stop15h 45mIberia
Wed 10/159:10 amLIS - BOS
1 stop17h 05mIberia
Deal found 6/12$499

Cheapflights Fare Finder

Customize your flight search to find flights from Boston 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 12, 2025.
Use the filters below to find and compare flights from Boston to Portugal that are best for you.

Fly from

Boston

Fly to

Portugal

Route

Depart

Return

Price

BostonFaro

BOS - FAO

BOSFAO

Boston Logan Intl

Mon 8/4

5:30 pm-10:35 am

1 stop12h 05m

Faro

Tue 8/19

11:45 am-6:45 pm

1 stop12h 00m

$400

BostonFunchal

BOS - FNC

BOSFNC

Boston Logan Intl

Fri 10/24

5:40 pm-4:40 pm

1 stop18h 00m

Funchal Madeira

Sat 11/1

4:10 pm-4:50 pm

1 stop28h 40m

$454

BostonFaro

BOS - FAO

BOSFAO

Boston Logan Intl

Tue 8/5

6:45 pm-9:20 pm

1 stop21h 35m

Faro

Thu 8/21

7:30 pm-4:35 pm

1 stop26h 05m

$455

BostonFunchal

BOS - FNC

BOSFNC

Boston Logan Intl

Wed 10/15

11:05 pm-8:55 pm

1 stop16h 50m

Funchal Madeira

Mon 10/20

8:55 am-8:45 pm

1 stop16h 50m

$462

BostonFaro

BOS - FAO

BOSFAO

Boston Logan Intl

Wed 8/6

9:04 am-11:50 am

2 stops21h 46m

Faro

Wed 8/13

12:30 pm-4:56 pm

2 stops33h 26m

$463

BostonLajes

BOS - TER

BOSTER

Boston Logan Intl

Sun 9/7

10:20 pm-12:50 pm

1 stop10h 30m

Lajes

Sun 9/14

7:10 am-2:20 pm

1 stop11h 10m

$478

BostonFunchal

BOS - FNC

BOSFNC

Boston Logan Intl

Mon 10/13

8:15 pm-5:50 pm

1 stop16h 35m

Funchal Madeira

Tue 10/21

6:40 pm-10:49 pm

2 stops33h 09m

$484

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Mon 9/15

11:00 pm-5:05 pm

1 stop13h 05m

Lisbon Humberto Delgado

Thu 10/2

2:00 pm-9:15 pm

1 stop12h 15m

$495

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 8/17

6:10 pm-5:40 am

Nonstop6h 30m

Lisbon Humberto Delgado

Thu 9/18

9:10 am-9:15 pm

1 stop17h 05m

$496

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 10/1

6:10 pm-5:40 am

Nonstop6h 30m

Lisbon Humberto Delgado

Fri 10/10

10:00 pm-8:20 pm

1 stop27h 20m

$497

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Boston to Portugal

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

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

Currently, January is the cheapest month in which you can book a flight from Boston to Portugal (average of $612). Flying from Boston to Portugal in June is currently the most expensive (average of $1,136). 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 BOS to PT?

Find hourly flight availability from Boston 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 12, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 25% on flights from Boston to Portugal by exploring options for tickets in the morning.

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

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

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

Weekly flight availability from Boston to Portugal

Explore weekly flight availability from Boston 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 12, 2025.

The most flights from BOS to PT0 are scheduled on a Monday (9 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Portugal by month

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

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

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

If weather is an important factor for your trip to Portugal, 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 51.8 F).

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Delta, KLM and Azores Airlines from Boston to Portugal. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Azores Airlines
7.6
Good
66 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

    Located just 2.6 mi from the city center, Boston Logan Intl (BOS) is the airport most travelers will use when flying to Portugal from Boston.

  • How popular is this Boston to Portugal flight route?

    This flight path from Boston Logan Intl to Portugal was viewed by 204 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $237. However, be on the lookout for offers from Iberia and Vueling, as they are both options that can get you from Boston to Portugal for a low price.

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

    While some choose either Boston Logan Intl - Ponta Delgada Nordela or Boston Logan Intl - Porto, Boston Logan Intl - Lisbon Humberto Delgado is the most popular route from Boston to Portugal.

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

    No one likes to see their flight delayed. When booking a flight from Boston to Portugal consider choosing JetBlue (78%), TAP AIR PORTUGAL (78%) or Emirates (75%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Boston to Portugal?

    Looking for the cheapest flight from Boston to Portugal? While on average our users pay $1,919, our data indicates the cheapest price to be $258. The most popular route (Boston Logan Intl - Lisbon Humberto Delgado), is priced around $259.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Boston to Portugal (average of $612). Flying from Boston to Portugal in June is currently the most expensive (average of $1,136). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Heathrow flights
Boston to Charles de Gaulle flights
Boston to Leonardo da Vinci/Fiumicino flights
Boston to Gatwick flights
Boston to Lisbon flights
Boston to Dublin flights
Boston to Athens flights
Boston to London City flights
Boston to Madrid flights
Boston to Istanbul flights
Boston to Orly flights
Boston to Amsterdam flights
Boston to Barcelona-El Prat flights
Boston to Edinburgh flights
Boston to Stansted flights
Boston to Ponta Delgada flights
Boston to Frankfurt flights
Boston to Keflavik Intl flights
Boston to Zurich flights
Boston to Porto flights
Boston to Luton flights
Boston to Munich flights
Boston to Copenhagen flights
Boston to Malpensa flights
Boston to Florence flights
Boston to Vicenza flights
Boston to Shannon flights
Boston to Frederic Chopin flights
Boston to Naples flights
Boston to Sabiha Gokcen flights
Boston to Linate flights
Hartford to Dublin flights
Boston to Beauvais-Tille flights
Boston to Berlin flights
Boston to Tirana flights
Boston to Málaga flights
Boston to Vienna flights
Boston to Nice flights
Boston to Prague flights
Boston to Oslo Gardermoen flights
Boston to Geneva flights
Boston to Arlanda flights
Boston to Bruxelles-National flights
Boston to Dubrovnik flights
Boston to Catania flights
Boston to Palermo flights
Boston to Split flights
Boston to Sofia flights
Boston to Glasgow Intl flights
Boston to Manchester flights

Top 10 airlines flying from Boston to Portugal

Discover the top 10 airlines that operate flights from Boston 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$227Average$481FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$323Average$626FlexibilityNo cancel feeOn-time77%
VuelingCheapest$328Average$603FlexibilityNo cancel feeOn-time88%
PLAYCheapest$331Average$381FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$357Average$677FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$386Average$617FlexibilityNo cancel feeOn-time76%
SWISSCheapest$452Average$682FlexibilityNo cancel feeOn-time79%
KLMCheapest$514Average$733FlexibilityNo cancel feeOn-time75%
DeltaCheapest$514Average$828FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$515Average$874FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.