How often are flights from Boston to Portugal delayed?

Historically, on average around 24% 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 132 minutes.

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

As of January 2026, there are 30 flights per week flying from Boston to Portugal. The most common day of the week flights depart is Thu, with 23% of flights taking off on this day.

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

TAP AIR PORTUGAL, SWISS, and Austrian 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 4 per day as of January 2026. The most frequent departure time is 6:00PM, with 100% of daily flights leaving in the evening.

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 17% of their flights experiencing any sort of delay.

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.

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 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.

$196 Cheap Flights from Boston to Portugal in 2026

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One-way

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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

11:00 am - 8:45 pm

OPO

BOS

14h 45m

1 stop

$341TAP AIR PORTUGAL

Mon, Mar 30 - Sun, Apr 5

10:10 pm - 11:15 am

BOS

OPO

32h 05m

1 stop

7:20 pm - 8:00 pm

OPO

BOS

29h 40m

1 stop

$346SWISS

Sun, Feb 8 - Wed, Feb 25

10:30 pm - 10:10 am

BOS

OPO

6h 40mnonstop

9:15 pm - 2:40 pm

OPO

BOS

22h 25m

1 stop

$347TAP AIR PORTUGAL

Mon, Mar 30 - Mon, Apr 6

7:10 pm - 9:10 am

BOS

FAO

33h 00m

1 stop

8:30 am - 4:25 pm

FAO

BOS

12h 55m

1 stop

$456KLM

Tue, Mar 3 - Thu, Apr 2

8:50 pm - 8:25 am

BOS

FAO

30h 35m

1 stop

6:55 pm - 2:20 pm

FAO

BOS

23h 25m

1 stop

$457KLM

Wed, Mar 4 - Wed, Mar 11

9:20 pm - 6:15 am

BOS

PDL

4h 55mnonstop

5:45 pm - 7:55 pm

PDL

BOS

6h 10mnonstop

$482Azores Airlines

Sat, Feb 7 - Sat, Feb 14

9:25 pm - 6:20 am

BOS

PDL

4h 55mnonstop

5:45 pm - 8:55 pm

PDL

BOS

6h 10mnonstop

$497Azores Airlines

Sun, Mar 1 - Mon, Mar 9

4:15 pm - 8:10 am

BOS

LIS

10h 55m

1 stop

11:20 am - 7:42 pm

LIS

BOS

13h 22m

1 stop

$500United Airlines

Tue, Feb 17 - Tue, Feb 24

10:15 am - 7:55 am

BOS

LIS

16h 40m

1 stop

6:10 am - 7:35 pm

LIS

BOS

17h 25m

1 stop

$501United Airlines

Thu, Feb 19 - Tue, Mar 10

8:40 pm - 8:00 am

BOS

LIS

6h 20mnonstop

5:30 am - 4:20 pm

LIS

BOS

15h 50m

1 stop

$504Delta

Sun, Feb 22 - Sat, Mar 7

KLM flights from Boston to Portugal

Our best KLM deals on Boston to Portugal flight tickets

KLM

Mar 3

BOS7:10 pmBoston Logan Intl

33h 00m

1 stop

FAO9:10 amFaro

Apr 2

FAO8:30 amFaro

12h 55m

1 stop

BOS4:25 pmBoston Logan Intl

$456

KLM

Mar 4

BOS7:10 pmBoston Logan Intl

32h 15m

1 stop

FAO8:25 amFaro

Mar 11

FAO10:20 amFaro

13h 35m

1 stop

BOS7:55 pmBoston Logan Intl

$457

KLM

Mar 3

BOS10:03 amBoston Logan Intl

18h 27m

2 stops

FAO9:30 amFaro

Apr 2

FAO8:30 amFaro

12h 55m

1 stop

BOS4:25 pmBoston Logan Intl

$460

TAP AIR PORTUGAL flights from Boston to Portugal

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

TAP AIR PORTUGAL

Mar 30

BOS10:30 pmBoston Logan Intl

6h 40m

OPO10:10 amPorto

Apr 5

OPO11:00 amPorto

14h 45m

1 stop

BOS8:45 pmBoston Logan Intl

$341

TAP AIR PORTUGAL

Mar 30

BOS10:30 pmBoston Logan Intl

6h 40m

OPO10:10 amPorto

Apr 6

OPO9:15 pmPorto

22h 25m

1 stop

BOS2:40 pmBoston Logan Intl

$347

TAP AIR PORTUGAL

Mar 24

BOS7:05 pmBoston Logan Intl

11h 05m

1 stop

OPO10:10 amPorto

Apr 13

OPO7:00 amPorto

12h 40m

1 stop

BOS2:40 pmBoston Logan Intl

$351

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

Sun 4/5

11:00 am-8:45 pm

1 stop14h 45m

$341

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 2/8

10:10 pm-11:15 am

1 stop32h 05m

Porto

Wed 2/25

7:20 pm-8:00 pm

1 stop29h 40m

$346

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 3/30

10:30 pm-10:10 am

Nonstop6h 40m

Porto

Mon 4/6

9:15 pm-2:40 pm

1 stop22h 25m

$347

BostonFaro

BOS - FAO

BOSFAO

Boston Logan Intl

Tue 3/3

7:10 pm-9:10 am

1 stop33h 00m

Faro

Thu 4/2

8:30 am-4:25 pm

1 stop12h 55m

$456

BostonFaro

BOS - FAO

BOSFAO

Boston Logan Intl

Wed 3/4

8:50 pm-8:25 am

1 stop30h 35m

Faro

Wed 3/11

6:55 pm-2:20 pm

1 stop23h 25m

$457

BostonPonta Delgada

BOS - PDL

BOSPDL

Boston Logan Intl

Sat 2/7

9:20 pm-6:15 am

Nonstop4h 55m

Ponta Delgada Nordela

Sat 2/14

5:45 pm-7:55 pm

Nonstop6h 10m

$482

BostonPonta Delgada

BOS - PDL

BOSPDL

Boston Logan Intl

Sun 3/1

9:25 pm-6:20 am

Nonstop4h 55m

Ponta Delgada Nordela

Mon 3/9

5:45 pm-8:55 pm

Nonstop6h 10m

$497

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Tue 2/17

4:15 pm-8:10 am

1 stop10h 55m

Lisbon Humberto Delgado

Tue 2/24

11:20 am-7:42 pm

1 stop13h 22m

$500

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 2/19

10:15 am-7:55 am

1 stop16h 40m

Lisbon Humberto Delgado

Tue 3/10

6:10 am-7:35 pm

1 stop17h 25m

$501

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 2/22

8:40 pm-8:00 am

Nonstop6h 20m

Lisbon Humberto Delgado

Sat 3/7

5:30 am-4:20 pm

1 stop15h 50m

$504

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 $654.

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

According to our data, Wednesday is the cheapest day to fly to Portugal from Boston. The lowest ticket price found for a Wednesday departure recently was $784. 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 $872.

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 $830 per ticket.

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

Fly from Boston Logan Intl to Porto 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 $774 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 $725 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?

You could potentially save up to 14% on your flight if you consider stops on a Boston to Portugal flight.

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	Mon, Wed, Thu, Fri, Sat and Sun
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 $511.

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

Direct flights go from Boston to Portugal on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: TAP AIR PORTUGAL and Azores Airlines.

There are 99 airports in Portugal. From Boston there are direct flights to 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 (43.00% of total bookings). The next most popular plane models are Boeing 767-300 (winglets) (27.84%), Airbus A330-900neo (15.66%), and Airbus A350-900 (1.73%).

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 1,235 reviews	Search Vueling flights
LEVEL	PriceFrom $225	Free Cancellation	Rating 0.0	Search LEVEL flights
Iberia	PriceFrom $283	Free Cancellation	Rating 7.0 3,098 reviews	Search Iberia flights
PLAY	PriceFrom $328	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
SWISS	PriceFrom $338	Free Cancellation	Rating 7.5 1,856 reviews	Search SWISS flights
Icelandair	PriceFrom $370	Free Cancellation	Rating 7.1 602 reviews	Search Icelandair flights
British Airways	PriceFrom $374	Free Cancellation	Rating 6.7 7,690 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $385	Free Cancellation	Rating 7.3 1,660 reviews	Search Scandinavian Airlines flights
KLM	PriceFrom $394	Free Cancellation	Rating 7.7 1,442 reviews	Search KLM flights
United Airlines	PriceFrom $398	Free Cancellation	Rating 7.4 9,194 reviews	Search United Airlines 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

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Find better results for your trip to Portugal

Popular cities in Portugal

Flights to Lisbonfrom $346

Flights to Portofrom $327

Flights to Funchalfrom $406

Flights to Farofrom $386

Flights to Ponta Delgadafrom $422

Flights to Lajesfrom $421

Flights to Hortafrom $490

Flights to Pico Islandfrom $459

Flights to Porto Santofrom $592

Flights to Velasfrom $462

Cheap flights from Boston to Portugal from $196

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 5/6. 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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Find the cheapest flights from Boston to Portugal

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KLM flights from Boston to Portugal

Our best KLM deals on Boston to Portugal flight tickets

TAP AIR PORTUGAL flights from Boston to Portugal

Our best TAP AIR PORTUGAL 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 $813. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $830 per ticket.

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

Fly from Boston Logan Intl to Porto 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?

You could potentially save up to 14% on your flight if you consider stops on a Boston to Portugal flight.

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

TAP AIR PORTUGAL, SWISS, and Austrian 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 24% 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 132 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 17% 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 30 flights per week flying from Boston to Portugal. The most common day of the week flights depart is Thu, with 23% 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