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 week?

As of January 2026, there are 20 flights per week flying from Boston to Portugal. The most common day of the week flights depart is Tue, with 20% of flights taking off on this day.

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 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, Lufthansa, and Azores Airlines 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 2 per day as of January 2026. The most frequent departure time is 6:00PM, with 100% of daily flights leaving in the evening.

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.

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 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.

$176 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.

10:30 pm - 10:10 am

BOS

OPO

6h 40mnonstop

6:10 pm - 8:45 pm

OPO

BOS

7h 35mnonstop

$329TAP AIR PORTUGAL

Sun, Apr 26 - Wed, May 6

10:30 pm - 10:10 am

BOS

OPO

6h 40mnonstop

6:10 pm - 8:45 pm

OPO

BOS

7h 35mnonstop

$333TAP AIR PORTUGAL

Mon, Apr 27 - Wed, May 6

10:30 pm - 10:10 am

BOS

OPO

6h 40mnonstop

6:10 pm - 8:45 pm

OPO

BOS

7h 35mnonstop

$334TAP AIR PORTUGAL

Wed, Apr 29 - Wed, May 6

10:45 pm - 7:00 pm

BOS

OPO

15h 15m1 stop

6:05 pm - 8:45 pm

OPO

BOS

7h 40mnonstop

$336TAP AIR PORTUGAL

Mon, May 4 - Mon, May 18

10:45 pm - 5:00 pm

BOS

OPO

13h 15m1 stop

5:15 pm - 7:55 pm

OPO

BOS

7h 40mnonstop

$342TAP AIR PORTUGAL

Wed, Apr 8 - Wed, Apr 15

5:10 pm - 10:30 am

BOS

FAO

12h 20m1 stop

11:10 am - 6:59 pm

FAO

BOS

12h 49m1 stop

$470Aer Lingus

Mon, Jan 26 - Tue, Feb 10

5:10 pm - 10:30 am

BOS

FAO

12h 20m1 stop

11:10 am - 6:59 pm

FAO

BOS

12h 49m1 stop

$474Aer Lingus

Mon, Jan 26 - Tue, Feb 10

12:35 pm - 8:10 am

BOS

LIS

14h 35m2 stops

10:15 am - 9:48 pm

LIS

BOS

16h 33m2 stops

$512United Airlines

Fri, Feb 20 - Fri, Feb 27

10:15 am - 9:20 am

BOS

LIS

18h 05m2 stops

6:10 am - 10:37 pm

LIS

BOS

21h 27m2 stops

$518Air Canada

Sun, Feb 22 - Wed, Mar 4

9:20 pm - 6:15 am

BOS

TER

4h 55mnonstop

5:45 pm - 7:55 pm

TER

BOS

6h 10mnonstop

$568Azores Airlines

Mon, Feb 2 - Tue, Feb 10

TAP AIR PORTUGAL flights from Boston to Portugal

Our best TAP AIR PORTUGAL deals on Boston to Portugal flight tickets

TAP AIR PORTUGAL

Apr 26

BOS10:30 pmBoston Logan Intl

6h 40m

OPO10:10 amPorto

May 6

OPO6:10 pmPorto

7h 35m

BOS8:45 pmBoston Logan Intl

$329

Find similar

TAP AIR PORTUGAL

Apr 26

BOS10:30 pmBoston Logan Intl

6h 40m

OPO10:10 amPorto

May 6

OPO6:10 pmPorto

7h 35m

BOS8:45 pmBoston Logan Intl

$333

Find similar

TAP AIR PORTUGAL

Apr 29

BOS10:30 pmBoston Logan Intl

6h 40m

OPO10:10 amPorto

May 6

OPO6:10 pmPorto

7h 35m

BOS8:45 pmBoston Logan Intl

$334

Find similar

Iberia flights from Boston to Portugal

Our best Iberia deals on Boston to Portugal flight tickets

Iberia

Jan 15

BOS3:35 pmBoston Logan Intl

15h 10m

2 stops

OPO11:45 amPorto

Jan 21

OPO8:20 amPorto

11h 55m

1 stop

BOS3:15 pmBoston Logan Intl

$451

Find similar

Iberia

Feb 6

BOS12:16 pmBoston Logan Intl

14h 24m

2 stops

LIS7:40 amLisbon Humberto Delgado

Feb 13

LIS8:20 amLisbon Humberto Delgado

16h 30m

1 stop

BOS7:50 pmBoston Logan Intl

$509

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 4/26

10:30 pm-10:10 am

Nonstop6h 40m

Porto

Wed 5/6

6:10 pm-8:45 pm

Nonstop7h 35m

$329

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 4/27

10:30 pm-10:10 am

Nonstop6h 40m

Porto

Wed 5/6

6:10 pm-8:45 pm

Nonstop7h 35m

$333

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 4/29

10:30 pm-10:10 am

Nonstop6h 40m

Porto

Wed 5/6

6:10 pm-8:45 pm

Nonstop7h 35m

$334

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 5/4

10:45 pm-7:00 pm

1 stop15h 15m

Porto

Mon 5/18

6:05 pm-8:45 pm

Nonstop7h 40m

$336

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 4/8

10:45 pm-5:00 pm

1 stop13h 15m

Porto

Wed 4/15

5:15 pm-7:55 pm

Nonstop7h 40m

$342

BostonFaro

BOS - FAO

BOSFAO

Boston Logan Intl

Mon 1/26

5:10 pm-10:30 am

1 stop12h 20m

Faro

Tue 2/10

11:10 am-6:59 pm

1 stop12h 49m

$470

BostonFaro

BOS - FAO

BOSFAO

Boston Logan Intl

Mon 1/26

5:10 pm-10:30 am

1 stop12h 20m

Faro

Tue 2/10

11:10 am-6:59 pm

1 stop12h 49m

$474

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Fri 2/20

12:35 pm-8:10 am

2 stops14h 35m

Lisbon Humberto Delgado

Fri 2/27

10:15 am-9:48 pm

2 stops16h 33m

$512

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 2/22

10:15 am-9:20 am

2 stops18h 05m

Lisbon Humberto Delgado

Wed 3/4

6:10 am-10:37 pm

2 stops21h 27m

$518

BostonLajes

BOS - TER

BOSTER

Boston Logan Intl

Mon 2/2

9:20 pm-6:15 am

Nonstop4h 55m

Lajes

Tue 2/10

5:45 pm-7:55 pm

Nonstop6h 10m

$568

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 $638, 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 $664.

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 $787. 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 $881.

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 $813. 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 $726 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	$267
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 $267. The best round-trip flight deal from Boston to Portugal found on momondo in the last 72 hours is $530.

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 23 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 (44.07% of total bookings). The next most popular plane models are Boeing 767-300 (winglets) (32.00%), Airbus A330-900neo (10.85%), and Airbus A350-900 (2.01%).

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 1,222 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 1,838 reviews	Search SWISS flights
Iberia	PriceFrom $343	Free Cancellation	Rating 7.0 3,074 reviews	Search Iberia flights
British Airways	PriceFrom $374	Free Cancellation	Rating 6.7 7,655 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $381	Free Cancellation	Rating 7.3 1,634 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $386	Free Cancellation	Rating 7.1 593 reviews	Search Icelandair flights
American Airlines	PriceFrom $393	Free Cancellation	Rating 7.2 11,088 reviews	Search American Airlines flights
KLM	PriceFrom $394	Free Cancellation	Rating 7.7 1,434 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 $351

Flights to Portofrom $333

Flights to Funchalfrom $387

Flights to Farofrom $383

Flights to Ponta Delgadafrom $422

Flights to Lajesfrom $429

Flights to Hortafrom $543

Flights to Pico Islandfrom $477

Flights to Porto Santofrom $454

Flights to Velasfrom $555

Cheap flights from Boston to Portugal from $210

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 5/11. 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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TAP AIR PORTUGAL flights from Boston to Portugal

Our best TAP AIR PORTUGAL deals on Boston to Portugal flight tickets

Iberia flights from Boston to Portugal

Our best Iberia deals on Boston to Portugal flight tickets

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See travel insights to Portugal from

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 $813. 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, Lufthansa, and Azores Airlines 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 2 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 20 flights per week flying from Boston to Portugal. The most common day of the week flights depart is Tue, with 20% 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