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

TAP AIR PORTUGAL, KLM, and SWISS are the most popular carriers operating from Boston Logan Intl to Portugal

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

The number of flights available between Boston and Portugal is 4 per day as of January 2026. The most frequent departure time is 6:00PM, with 100% of daily flights leaving in the evening.

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

As of January 2026, there are 28 flights per week flying from Boston to Portugal. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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 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 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 62% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 22 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

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 130 minutes.

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 22 operators available for flights from Boston Logan Intl Airport to Portugal as of January 2026.

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.

$181 Cheap Flights from Boston to Portugal in 2026

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Cheap round-trip flights

Enter your travel dates to find the best prices.

11:45 pm - 6:05 pm

BOS

OPO

14h 20m

1 stop

5:15 pm - 7:55 pm

OPO

BOS

7h 40mnonstop

$336TAP AIR PORTUGAL

Sun, Mar 22 - Wed, Apr 8

10:45 pm - 8:25 pm

BOS

OPO

16h 40m

1 stop

6:05 pm - 8:45 pm

OPO

BOS

7h 40mnonstop

$342TAP AIR PORTUGAL

Wed, May 6 - Mon, May 11

10:45 pm - 3:00 pm

BOS

OPO

11h 15m

1 stop

5:15 pm - 7:55 pm

OPO

BOS

7h 40mnonstop

$347TAP AIR PORTUGAL

Wed, Apr 8 - Wed, Apr 15

10:45 pm - 5:00 pm

BOS

OPO

13h 15m

1 stop

5:15 pm - 7:55 pm

OPO

BOS

7h 40mnonstop

$348TAP AIR PORTUGAL

Mon, Mar 30 - Wed, Apr 15

7:10 pm - 9:35 am

BOS

FAO

33h 25m

1 stop

7:45 pm - 6:55 pm

FAO

BOS

28h 10m

1 stop

$457KLM

Tue, Feb 10 - Tue, Feb 17

9:20 pm - 6:15 am

BOS

PDL

4h 55mnonstop

5:45 pm - 8:55 pm

PDL

BOS

6h 10mnonstop

$477Azores Airlines

Sat, Mar 7 - Mon, Mar 16

9:20 pm - 6:15 am

BOS

PDL

4h 55mnonstop

5:45 pm - 7:55 pm

PDL

BOS

6h 10mnonstop

$479Azores Airlines

Thu, Feb 5 - Sat, Feb 28

8:40 pm - 8:00 am

BOS

LIS

6h 20mnonstop

5:30 am - 4:20 pm

LIS

BOS

15h 50m

1 stop

$504Delta

Fri, Feb 20 - Sat, Feb 28

8:40 pm - 8:00 am

BOS

LIS

6h 20mnonstop

11:25 am - 1:20 pm

LIS

BOS

30h 55m

1 stop

$505Delta

Sun, Feb 22 - Sat, Mar 7

9:40 am - 8:10 am

BOS

LIS

17h 30m

2 stops

6:10 am - 6:35 pm

LIS

BOS

17h 25m

1 stop

$507United Airlines

Tue, Feb 24 - Thu, Mar 5

Aer Lingus flights from Boston to Portugal

Our best Aer Lingus deals on Boston to Portugal flight tickets

Aer Lingus

Jan 21

BOS5:10 pmBoston Logan Intl

12h 00m

1 stop

LIS10:10 amLisbon Humberto Delgado

Feb 24

LIS10:50 amLisbon Humberto Delgado

13h 09m

1 stop

BOS6:59 pmBoston Logan Intl

$514

Aer Lingus

Jan 21

BOS5:10 pmBoston Logan Intl

12h 00m

1 stop

LIS10:10 amLisbon Humberto Delgado

Jan 23

LIS10:50 amLisbon Humberto Delgado

13h 09m

1 stop

BOS6:59 pmBoston Logan Intl

$526

Aer Lingus

Jan 19

BOS5:10 pmBoston Logan Intl

12h 00m

1 stop

LIS10:10 amLisbon Humberto Delgado

Jan 24

LIS10:50 amLisbon Humberto Delgado

13h 09m

1 stop

BOS6:59 pmBoston Logan Intl

$542

Scandinavian Airlines flights from Boston to Portugal

Our best Scandinavian Airlines deals on Boston to Portugal flight tickets

Scandinavian Airlines

Apr 3

BOS5:40 pmBoston Logan Intl

19h 15m

1 stop

FAO5:55 pmFaro

Apr 11

FAO6:45 pmFaro

25h 50m

1 stop

BOS3:35 pmBoston Logan Intl

$408

Scandinavian Airlines

Apr 3

BOS5:40 pmBoston Logan Intl

19h 15m

1 stop

FAO5:55 pmFaro

Apr 11

FAO7:35 pmFaro

25h 00m

2 stops

BOS3:35 pmBoston Logan Intl

$409

Scandinavian Airlines

Apr 3

BOS5:40 pmBoston Logan Intl

19h 15m

1 stop

FAO5:55 pmFaro

Apr 10

FAO7:35 pmFaro

25h 00m

2 stops

BOS3:35 pmBoston Logan Intl

$430

Fly from

Fly to

Route

Depart

Return

Price

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 3/22

11:45 pm-6:05 pm

1 stop14h 20m

Porto

Wed 4/8

5:15 pm-7:55 pm

Nonstop7h 40m

$336

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 5/6

10:45 pm-8:25 pm

1 stop16h 40m

Porto

Mon 5/11

6:05 pm-8:45 pm

Nonstop7h 40m

$342

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 4/8

10:45 pm-3:00 pm

1 stop11h 15m

Porto

Wed 4/15

5:15 pm-7:55 pm

Nonstop7h 40m

$347

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 3/30

10:45 pm-5:00 pm

1 stop13h 15m

Porto

Wed 4/15

5:15 pm-7:55 pm

Nonstop7h 40m

$348

BostonFaro

BOS - FAO

BOSFAO

Boston Logan Intl

Tue 2/10

7:10 pm-9:35 am

1 stop33h 25m

Faro

Tue 2/17

7:45 pm-6:55 pm

1 stop28h 10m

$457

BostonPonta Delgada

BOS - PDL

BOSPDL

Boston Logan Intl

Sat 3/7

9:20 pm-6:15 am

Nonstop4h 55m

Ponta Delgada Nordela

Mon 3/16

5:45 pm-8:55 pm

Nonstop6h 10m

$477

BostonPonta Delgada

BOS - PDL

BOSPDL

Boston Logan Intl

Thu 2/5

9:20 pm-6:15 am

Nonstop4h 55m

Ponta Delgada Nordela

Sat 2/28

5:45 pm-7:55 pm

Nonstop6h 10m

$479

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Fri 2/20

8:40 pm-8:00 am

Nonstop6h 20m

Lisbon Humberto Delgado

Sat 2/28

5:30 am-4:20 pm

1 stop15h 50m

$504

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 2/22

8:40 pm-8:00 am

Nonstop6h 20m

Lisbon Humberto Delgado

Sat 3/7

11:25 am-1:20 pm

1 stop30h 55m

$505

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Tue 2/24

9:40 am-8:10 am

2 stops17h 30m

Lisbon Humberto Delgado

Thu 3/5

6:10 am-6:35 pm

1 stop17h 25m

$507

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 November. Flight prices, which tend to average around $637, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Portugal from Boston during February instead. Flights to Portugal in February, while not as cheap as those in November, still average around $656.

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 $788. 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 $879.

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 in the evening. Flights from Boston to Portugal during this time can be as low as $814. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $834 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 $777 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 $724 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	$279
Fastest flight time	4h 55m
Direct flights	Every day
Airports in Portugal	99 airports

The best one-way flight to Portugal from Boston in the past 72 hours is $279. The best round-trip flight deal from Boston to Portugal found on momondo in the last 72 hours is $457.

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

Direct flights go from Boston to Portugal every day.

There are 99 airports in Portugal. From Boston there are direct flights to Lajes (TER), 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 22 operators available for flights from Boston Logan Intl Airport to Portugal as of January 2026.
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 (43.43% of total bookings). The next most popular plane models are Boeing 767-300 (winglets) (30.31%), Airbus A330-900neo (12.91%), and Airbus A350-900 (1.79%).

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 $78	Free Cancellation	Rating 7.1 1,227 reviews	Search Vueling flights
LEVEL	PriceFrom $232	Free Cancellation	Rating 0.0	Search LEVEL flights
PLAY	PriceFrom $328	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
SWISS	PriceFrom $338	Free Cancellation	Rating 7.5 1,847 reviews	Search SWISS flights
Iberia	PriceFrom $343	Free Cancellation	Rating 7.0 3,086 reviews	Search Iberia flights
British Airways	PriceFrom $374	Free Cancellation	Rating 6.7 7,671 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $381	Free Cancellation	Rating 7.3 1,649 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $386	Free Cancellation	Rating 7.1 596 reviews	Search Icelandair flights
American Airlines	PriceFrom $393	Free Cancellation	Rating 7.2 11,120 reviews	Search American Airlines flights
KLM	PriceFrom $394	Free Cancellation	Rating 7.7 1,437 reviews	Search KLM 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 $371

Flights to Portofrom $336

Flights to Funchalfrom $387

Flights to Farofrom $386

Flights to Ponta Delgadafrom $422

Flights to Lajesfrom $421

Flights to Hortafrom $490

Flights to Pico Islandfrom $470

Flights to Porto Santofrom $693

Flights to Velasfrom $482

Cheap flights from Boston to Portugal from $213

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 3/2. 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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Aer Lingus flights from Boston to Portugal

Our best Aer Lingus deals on Boston to Portugal flight tickets

Scandinavian Airlines flights from Boston to Portugal

Our best Scandinavian Airlines deals on Boston to Portugal flight tickets

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How to get the cheapest flight ticket from Boston to Portugal

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 in the evening. Flights from Boston to Portugal during this time can be as low as $814. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $834 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, KLM, and SWISS 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 130 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 4 per day as of January 2026. The most frequent departure time is 6:00PM, with 100% of daily flights leaving in the evening.

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

As of January 2026, there are 28 flights per week flying from Boston to Portugal. The most common day of the week flights depart is Mon, with 14% 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