How many flights depart from Boston to Portugal on average per week?

As of December 2025, there are 59 flights per week flying from Boston to Portugal. The most common day of the week flights depart is Fri, with 19% of flights taking off on this day.

How many flights depart from Boston to Portugal on average per day?

The number of flights available between Boston and Portugal is 8 per day as of December 2025. The most frequent departure time is 8:00PM, with 100% of daily flights leaving in the evening.

How often are flights from Boston to Portugal delayed?

Historically, on average around 26% of flights between Boston and Portugal have experienced a delay on any given week. The average delay length over the past 12 months has been 129 minutes.

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

Generally, flights departing in the evening tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

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

According to our data, TAP AIR PORTUGAL have had the least number of delays on this route over the last 12 months; with about 19% of their flights experiencing any sort of delay.

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

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

What airlines fly to Portugal?

TAP AIR PORTUGAL, Azores Airlines and Delta are the top three most popular airlines that fly to Portugal from Boston according to our data. TAP AIR PORTUGAL is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 23 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Boston Logan Intl to Portugal?

TAP AIR PORTUGAL, Azores Airlines, and LEVEL are the most popular carriers operating from Boston Logan Intl to Portugal

When did momondo last update prices for flights from Boston Logan Intl Airport to Portugal?

Prices for flights from Boston Logan Intl Airport to Portugal were last updated today.

How many operators does momondo search for flights from Boston Logan Intl Airport to Portugal?

There are 23 operators available for flights from Boston Logan Intl Airport to Portugal as of December 2025.

How old do you have to be to fly from Boston Logan Intl Airport to Portugal?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Portugal.

What documentation or ID do you need to fly to Portugal?

The travel and health documents required for your trip to Portugal can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$217 Cheap Flights from Boston to Portugal in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:30 pm - 10:10 am

BOS

OPO

6h 40mnonstop

5:15 pm - 7:55 pm

OPO

BOS

7h 40mnonstop

$385TAP AIR PORTUGAL

Mon, Mar 30 - Mon, Apr 13

7:10 pm - 10:25 pm

BOS

OPO

22h 15m1 stop

11:20 am - 7:28 am

OPO

BOS

25h 08m2 stops

$386Delta

Wed, Jan 21 - Fri, Jan 30

5:30 am - 11:15 am

BOS

OPO

24h 45m2 stops

12:10 pm - 8:20 pm

OPO

BOS

13h 10m1 stop

$387Multiple Airlines

Wed, Jan 14 - Wed, Jan 28

10:50 pm - 4:10 pm

BOS

OPO

12h 20m1 stop

8:20 am - 4:10 pm

OPO

BOS

12h 50m1 stop

$388Iberia

Tue, Apr 28 - Thu, May 14

10:15 am - 11:10 am

BOS

OPO

19h 55m2 stops

12:05 pm - 8:20 pm

OPO

BOS

13h 15m1 stop

$389Multiple Airlines

Thu, Jan 15 - Tue, Jan 20

5:15 pm - 3:25 pm

BOS

OPO

18h 10m2 stops

4:20 pm - 7:15 am

OPO

BOS

19h 55m2 stops

$391Delta

Tue, Mar 24 - Tue, Mar 31

10:30 pm - 10:10 am

BOS

OPO

6h 40mnonstop

10:25 pm - 8:45 pm

OPO

BOS

27h 20m1 stop

$393TAP AIR PORTUGAL

Wed, Apr 1 - Wed, Apr 15

7:10 pm - 9:35 am

BOS

FNC

33h 25m1 stop

10:25 am - 1:25 pm

FNC

BOS

32h 00m1 stop

$536KLM

Sat, Jan 24 - Mon, Feb 2

9:25 pm - 6:20 am

BOS

TER

4h 55mnonstop

5:45 pm - 7:55 pm

TER

BOS

6h 10mnonstop

$563Azores Airlines

Mon, Dec 15 - Tue, Dec 23

9:20 pm - 6:15 am

BOS

TER

4h 55mnonstop

5:45 pm - 8:55 pm

TER

BOS

6h 10mnonstop

$569Azores Airlines

Mon, Feb 9 - Tue, Mar 10

American Airlines flights from Boston to Portugal

Our best American Airlines deals on Boston to Portugal flight tickets

American Airlines

Dec 5

BOS12:03 pmBoston Logan Intl

14h 37m

2 stops

OPO7:40 amPorto

Dec 12

OPO8:20 amPorto

11h 55m

1 stop

BOS3:15 pmBoston Logan Intl

$498

Find similar

American Airlines

Jan 15

BOS9:20 pmBoston Logan Intl

13h 45m

1 stop

LIS4:05 pmLisbon Humberto Delgado

Jan 22

LIS8:20 amLisbon Humberto Delgado

11h 55m

1 stop

BOS3:15 pmBoston Logan Intl

$505

Find similar

American Airlines

Dec 5

BOS12:03 pmBoston Logan Intl

14h 37m

2 stops

OPO7:40 amPorto

Dec 12

OPO12:25 pmPorto

15h 29m

2 stops

BOS10:54 pmBoston Logan Intl

$508

Find similar

LEVEL flights from Boston to Portugal

Our best LEVEL deals on Boston to Portugal flight tickets

LEVEL

May 4

BOS10:50 pmBoston Logan Intl

28h 40m

1 stop

LIS8:30 amLisbon Humberto Delgado

May 11

LIS10:10 pmLisbon Humberto Delgado

27h 55m

1 stop

BOS9:05 pmBoston Logan Intl

$534

Find similar

LEVEL

Dec 11

BOS10:40 pmBoston Logan Intl

16h 45m

1 stop

LIS8:25 pmLisbon Humberto Delgado

Dec 22

LIS9:05 pmLisbon Humberto Delgado

28h 50m

1 stop

BOS8:55 pmBoston Logan Intl

$705

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 3/30

10:30 pm-10:10 am

Nonstop6h 40m

Porto

Mon 4/13

5:15 pm-7:55 pm

Nonstop7h 40m

$385

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 1/21

7:10 pm-10:25 pm

1 stop22h 15m

Porto

Fri 1/30

11:20 am-7:28 am

2 stops25h 08m

$386

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 1/14

5:30 am-11:15 am

2 stops24h 45m

Porto

Wed 1/28

12:10 pm-8:20 pm

1 stop13h 10m

$387

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 4/28

10:50 pm-4:10 pm

1 stop12h 20m

Porto

Thu 5/14

8:20 am-4:10 pm

1 stop12h 50m

$388

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Thu 1/15

10:15 am-11:10 am

2 stops19h 55m

Porto

Tue 1/20

12:05 pm-8:20 pm

1 stop13h 15m

$389

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 3/24

5:15 pm-3:25 pm

2 stops18h 10m

Porto

Tue 3/31

4:20 pm-7:15 am

2 stops19h 55m

$391

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 4/1

10:30 pm-10:10 am

Nonstop6h 40m

Porto

Wed 4/15

10:25 pm-8:45 pm

1 stop27h 20m

$393

BostonFunchal

BOS - FNC

BOSFNC

Boston Logan Intl

Sat 1/24

7:10 pm-9:35 am

1 stop33h 25m

Funchal Madeira

Mon 2/2

10:25 am-1:25 pm

1 stop32h 00m

$536

BostonLajes

BOS - TER

BOSTER

Boston Logan Intl

Mon 12/15

9:25 pm-6:20 am

Nonstop4h 55m

Lajes

Tue 12/23

5:45 pm-7:55 pm

Nonstop6h 10m

$563

BostonLajes

BOS - TER

BOSTER

Boston Logan Intl

Mon 2/9

9:20 pm-6:15 am

Nonstop4h 55m

Lajes

Tue 3/10

5:45 pm-8:55 pm

Nonstop6h 10m

$569

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How to get the cheapest flight ticket from Boston to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Boston is in February. Flight prices, which tend to average around $642, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from Boston during January instead. Flights to Portugal in January, while not as cheap as those in February, still average around $649.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Monday is the cheapest day to fly to Portugal from Boston. The lowest ticket price found for a Monday departure recently was $777. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Friday, with ticket prices averaging around $874.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is at noon. Flights from Boston to Portugal during this time can be as low as $351. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $823 per ticket.

What is the cheapest Boston Logan Intl to Portugal flight route?

Fly from Boston Logan Intl to Lisbon Humberto Delgado for the best Boston Logan Intl - Portugal flight prices

How far in advance should I book a flight to Portugal?

You are more likely to see cheaper flights to Portugal from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $780 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Boston for as low as $708 on momondo.

What cabin class options are available on Boston Logan Intl to Portugal flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to Portugal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to Portugal flights?

No. A direct flight is the cheapest option for a flight between Boston to Portugal.

Cheap Boston to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Portugal

Best Price Found	$271
Fastest flight time	4h 55m
Direct flights	Every day
Airports in Portugal	3 airports

The best one-way flight to Portugal from Boston in the past 72 hours is $271. The best round-trip flight deal from Boston to Portugal found on momondo in the last 72 hours is $561.

The fastest flight from Boston to Portugal takes 4h 55m

Direct flights go from Boston to Portugal every day.

There are 3 airports near Portugal: Lajes (TER), Lisbon Humberto Delgado (LIS), Ponta Delgada Nordela (PDL)

Search flight deals

When did momondo last update prices for flights from Boston Logan Intl Airport to Portugal?
Prices for flights from Boston Logan Intl Airport to Portugal were last updated today.
How many operators does momondo search for flights from Boston Logan Intl Airport to Portugal?
There are 23 operators available for flights from Boston Logan Intl Airport to Portugal as of December 2025.
How old do you have to be to fly from Boston Logan Intl Airport to Portugal?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Portugal.
What documentation or ID do you need to fly to Portugal?
The travel and health documents required for your trip to Portugal can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Boston to Portugal?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Boston to Portugal is Airbus A321neo (43.16% of total bookings). The next most popular plane models are Boeing 767-300 (winglets) (32.85%), Airbus A330-900neo (12.74%), and Airbus A350-900 (1.49%).

Best airlines flying from Boston to Portugal

Compare and see reviews for airlines that fly from Boston to Portugal with momondo

Airline	Rating	Free Cancellation	Price
Vueling	PriceFrom $165	Free Cancellation	Rating 7.1 1,214 reviews	Search Vueling flights
LEVEL	PriceFrom $230	Free Cancellation	Rating 0.0	Search LEVEL flights
PLAY	PriceFrom $333	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
SWISS	PriceFrom $338	Free Cancellation	Rating 7.5 1,800 reviews	Search SWISS flights
Iberia	PriceFrom $343	Free Cancellation	Rating 7.0 3,039 reviews	Search Iberia flights
Icelandair	PriceFrom $370	Free Cancellation	Rating 7.0 584 reviews	Search Icelandair flights
British Airways	PriceFrom $374	Free Cancellation	Rating 6.7 7,559 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $381	Free Cancellation	Rating 7.4 1,591 reviews	Search Scandinavian Airlines flights
KLM	PriceFrom $394	Free Cancellation	Rating 7.7 1,428 reviews	Search KLM flights
LEVEL	PriceFrom $405	Free Cancellation	Rating 0.0 0 reviews	Search LEVEL flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Portugal?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to Portugal. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Boston to Portugal with flexible booking policies on momondo?

All flight searches from Boston to Portugal on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Boston to Portugal?

momondo helps you find the best flight between Boston and Portugal by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Boston to Portugal right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Boston to Portugal flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Portugal

Popular cities in Portugal

Flights to Lisbonfrom $362

Flights to Portofrom $338

Flights to Funchalfrom $408

Flights to Farofrom $385

Flights to Ponta Delgadafrom $423

Flights to Lajesfrom $427

Flights to Hortafrom $570

Flights to Pico Islandfrom $560

Flights to Porto Santofrom $845

Flights to Velasfrom $552

Cheap flights from Boston to Portugal from $217

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Portugal departing on 2/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Find the cheapest flights from Boston to Portugal

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American Airlines flights from Boston to Portugal

Our best American Airlines deals on Boston to Portugal flight tickets

LEVEL flights from Boston to Portugal

Our best LEVEL deals on Boston to Portugal flight tickets

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How to get the cheapest flight ticket from Boston to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portugal?

What is the cheapest day to depart on your flight to Portugal?

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is at noon. Flights from Boston to Portugal during this time can be as low as $351. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $823 per ticket.

What is the cheapest Boston Logan Intl to Portugal flight route?

Fly from Boston Logan Intl to Lisbon Humberto Delgado for the best Boston Logan Intl - Portugal flight prices

How far in advance should I book a flight to Portugal?

What cabin class options are available on Boston Logan Intl to Portugal flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to Portugal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to Portugal flights?

No. A direct flight is the cheapest option for a flight between Boston to Portugal.

What is the cheapest airline that flies from Boston Logan Intl to Portugal?

TAP AIR PORTUGAL, Azores Airlines, and LEVEL are the most popular carriers operating from Boston Logan Intl to Portugal

What airlines fly to Portugal?

How often are flights from Boston to Portugal delayed?

Historically, on average around 26% of flights between Boston and Portugal have experienced a delay on any given week. The average delay length over the past 12 months has been 129 minutes.

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

Generally, flights departing in the evening tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

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

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

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

According to our data, TAP AIR PORTUGAL have had the least number of delays on this route over the last 12 months; with about 19% of their flights experiencing any sort of delay.

How many flights depart from Boston to Portugal on average per day?

The number of flights available between Boston and Portugal is 8 per day as of December 2025. The most frequent departure time is 8:00PM, with 100% of daily flights leaving in the evening.

How many flights depart from Boston to Portugal on average per week?

As of December 2025, there are 59 flights per week flying from Boston to Portugal. The most common day of the week flights depart is Fri, with 19% of flights taking off on this day.

Cheap Boston to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Portugal

Best Price Found

Fastest flight time

Direct flights

Airports in Portugal

When did momondo last update prices for flights from Boston Logan Intl Airport to Portugal?

How many operators does momondo search for flights from Boston Logan Intl Airport to Portugal?

How old do you have to be to fly from Boston Logan Intl Airport to Portugal?

What documentation or ID do you need to fly to Portugal?

What is the most popular plane model from Boston to Portugal?

Best airlines flying from Boston to Portugal

Compare and see reviews for airlines that fly from Boston to Portugal with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Portugal?

Can I find flights from Boston to Portugal with flexible booking policies on momondo?

How can momondo help me find flights from Boston to Portugal?

I’m not ready to book a flight from Boston to Portugal right now. Can momondo alert me if prices change?

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo