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

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

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

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

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

Saturday 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.

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 February 2026. The most frequent departure time is 9:00PM, with 100% of daily flights leaving in the evening.

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

As of February 2026, there are 31 flights per week flying from Boston to Portugal. The most common day of the week flights depart is Fri, with 23% of flights taking off on this day.

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 64% 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 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 131 minutes.

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.

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 February 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.

$214 Cheap Flights from Boston to Portugal in 2026

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Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:11 am - 9:30 am

BOS

OPO

20h 19m

1 stop

12:35 pm - 5:19 pm

OPO

BOS

32h 44m

1 stop

$364United Airlines

Sun, Mar 1 - Tue, Mar 10

10:45 pm - 7:00 pm

BOS

OPO

15h 15m

1 stop

10:35 pm - 2:40 pm

OPO

BOS

21h 05m

1 stop

$365TAP AIR PORTUGAL

Sun, Mar 29 - Mon, Apr 6

9:50 pm - 11:15 am

BOS

OPO

32h 25m

1 stop

12:05 pm - 9:20 pm

OPO

BOS

13h 15m

1 stop

$366SWISS

Tue, Mar 3 - Thu, Mar 12

8:50 pm - 6:55 pm

BOS

FAO

17h 05m

1 stop

7:15 pm - 2:20 pm

FAO

BOS

23h 05m

1 stop

$459KLM

Mon, Mar 2 - Mon, Mar 9

1:00 pm - 9:30 am

BOS

FAO

16h 30m

2 stops

7:15 pm - 2:20 pm

FAO

BOS

23h 05m

1 stop

$464KLM

Tue, Mar 17 - Mon, Mar 23

8:40 pm - 8:00 am

BOS

LIS

6h 20mnonstop

5:30 am - 2:30 pm

LIS

BOS

13h 00m

1 stop

$505Delta

Mon, Mar 2 - Mon, Mar 9

4:45 pm - 6:05 pm

BOS

LIS

20h 20m

1 stop

12:30 pm - 8:50 pm

LIS

BOS

12h 20m

1 stop

$508Iberia

Sun, Mar 1 - Wed, Mar 11

6:53 pm - 9:00 am

BOS

LIS

9h 07m

1 stop

5:30 am - 1:30 pm

LIS

BOS

13h 00m

1 stop

$510Delta

Sat, Feb 28 - Sat, Mar 7

5:40 pm - 12:40 pm

BOS

FNC

14h 00m

1 stop

1:35 pm - 4:10 pm

FNC

BOS

31h 35m

1 stop

$521Iberia

Sun, Apr 26 - Wed, May 6

9:20 pm - 6:15 am

BOS

TER

4h 55mnonstop

5:45 pm - 7:55 pm

TER

BOS

6h 10mnonstop

$559Azores Airlines

Mon, Feb 23 - Tue, Mar 3

Delta flights from Boston to Portugal

Our best Delta deals on Boston to Portugal flight tickets

Delta

Mar 2

BOS8:40 pmBoston Logan Intl

6h 20m

LIS8:00 amLisbon Humberto Delgado

Mar 9

LIS5:30 amLisbon Humberto Delgado

13h 00m

1 stop

BOS2:30 pmBoston Logan Intl

$505

Delta

Feb 28

BOS6:53 pmBoston Logan Intl

9h 07m

1 stop

LIS9:00 amLisbon Humberto Delgado

Mar 7

LIS5:30 amLisbon Humberto Delgado

13h 00m

1 stop

BOS1:30 pmBoston Logan Intl

$510

Delta

Feb 6

BOS11:30 amBoston Logan Intl

18h 00m

2 stops

OPO10:30 amPorto

Feb 9

OPO11:25 amPorto

15h 57m

2 stops

BOS10:22 pmBoston Logan Intl

$593

Lufthansa flights from Boston to Portugal

Our best Lufthansa deals on Boston to Portugal flight tickets

Lufthansa

Feb 6

BOS8:40 pmBoston Logan Intl

11h 10m

1 stop

OPO12:50 pmPorto

Feb 9

OPO1:45 pmPorto

33h 50m

1 stop

BOS6:35 pmBoston Logan Intl

$523

Lufthansa

Apr 14

BOS8:05 pmBoston Logan Intl

21h 40m

1 stop

LIS10:45 pmLisbon Humberto Delgado

Apr 30

LIS6:15 amLisbon Humberto Delgado

16h 25m

1 stop

BOS5:40 pmBoston Logan Intl

$524

Fly from

Fly to

Route

Depart

Return

Price

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 3/1

8:11 am-9:30 am

1 stop20h 19m

Porto

Tue 3/10

12:35 pm-5:19 pm

1 stop32h 44m

$364

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 3/29

10:45 pm-7:00 pm

1 stop15h 15m

Porto

Mon 4/6

10:35 pm-2:40 pm

1 stop21h 05m

$365

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 3/3

9:50 pm-11:15 am

1 stop32h 25m

Porto

Thu 3/12

12:05 pm-9:20 pm

1 stop13h 15m

$366

BostonFaro

BOS - FAO

BOSFAO

Boston Logan Intl

Mon 3/2

8:50 pm-6:55 pm

1 stop17h 05m

Faro

Mon 3/9

7:15 pm-2:20 pm

1 stop23h 05m

$459

BostonFaro

BOS - FAO

BOSFAO

Boston Logan Intl

Tue 3/17

1:00 pm-9:30 am

2 stops16h 30m

Faro

Mon 3/23

7:15 pm-2:20 pm

1 stop23h 05m

$464

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Mon 3/2

8:40 pm-8:00 am

Nonstop6h 20m

Lisbon Humberto Delgado

Mon 3/9

5:30 am-2:30 pm

1 stop13h 00m

$505

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 3/1

4:45 pm-6:05 pm

1 stop20h 20m

Lisbon Humberto Delgado

Wed 3/11

12:30 pm-8:50 pm

1 stop12h 20m

$508

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sat 2/28

6:53 pm-9:00 am

1 stop9h 07m

Lisbon Humberto Delgado

Sat 3/7

5:30 am-1:30 pm

1 stop13h 00m

$510

BostonFunchal

BOS - FNC

BOSFNC

Boston Logan Intl

Sun 4/26

5:40 pm-12:40 pm

1 stop14h 00m

Funchal Madeira

Wed 5/6

1:35 pm-4:10 pm

1 stop31h 35m

$521

BostonLajes

BOS - TER

BOSTER

Boston Logan Intl

Mon 2/23

9:20 pm-6:15 am

Nonstop4h 55m

Lajes

Tue 3/3

5:45 pm-7:55 pm

Nonstop6h 10m

$559

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, Wednesday is the cheapest day to fly to Portugal from Boston. The lowest ticket price found for a Wednesday 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 $860.

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 $810. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $821 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 $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 $723 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 17% 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	$266
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 $266. The best round-trip flight deal from Boston to Portugal found on momondo in the last 72 hours is $546.

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 February 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 (42.24% of total bookings). The next most popular plane models are Boeing 767-300 (winglets) (24.14%), Airbus A330-900neo (18.77%), and Boeing 737-900 (2.08%).

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 1,238 reviews	Search Vueling flights
LEVEL	PriceFrom $226	Free Cancellation	Rating 0.0	Search LEVEL flights
Iberia	PriceFrom $260	Free Cancellation	Rating 7.0 3,101 reviews	Search Iberia flights
PLAY	PriceFrom $333	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
SWISS	PriceFrom $338	Free Cancellation	Rating 7.6 1,864 reviews	Search SWISS flights
Icelandair	PriceFrom $370	Free Cancellation	Rating 7.1 606 reviews	Search Icelandair flights
British Airways	PriceFrom $374	Free Cancellation	Rating 6.7 7,711 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $385	Free Cancellation	Rating 7.3 1,676 reviews	Search Scandinavian Airlines flights
KLM	PriceFrom $394	Free Cancellation	Rating 7.7 1,448 reviews	Search KLM flights
American Airlines	PriceFrom $395	Free Cancellation	Rating 7.2 11,212 reviews	Search American 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

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 $367

Flights to Portofrom $350

Flights to Funchalfrom $377

Flights to Farofrom $373

Flights to Ponta Delgadafrom $392

Flights to Lajesfrom $391

Flights to Hortafrom $559

Flights to Pico Islandfrom $587

Flights to Porto Santofrom $392

Flights to Velasfrom $588

Cheap flights from Boston to Portugal from $214

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 5/4. 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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Delta flights from Boston to Portugal

Our best Delta deals on Boston to Portugal flight tickets

Lufthansa flights from Boston to Portugal

Our best Lufthansa 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 $810. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $821 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 17% 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, Azores Airlines, and Lufthansa 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 131 minutes.

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

Generally, flights departing in the early afternoon 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?

Saturday 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 February 2026. The most frequent departure time is 9:00PM, with 100% of daily flights leaving in the evening.

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

As of February 2026, there are 31 flights per week flying from Boston to Portugal. The most common day of the week flights depart is Fri, 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