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

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

Which layover airport has the shortest travel time from Boston to Porto?

Flights connecting via Lajes (TER) have the shortest average one-way travel time: 8h 40m.

Which layover airport has the shortest connection time from Boston to Porto?

Paris (CDG) has the shortest average layover time for this route: 1h 28m.

Which airport is the most popular layover for flights between Boston and Porto?

Madrid (MAD) was the most common stop: 37% of momondo users choosing 1-stop flights on this route connected there.

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

Air Canada and Lufthansa are the most popular carriers operating from Boston Logan Intl to Porto

Which airline has the best punctuality record on Boston to Porto 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 3% of their flights experiencing any sort of delay.

Which layover airport offers the lowest fares from Boston to Porto?

Flights via Paris (CDG) offer the lowest average round-trip price of $533.

How often are flights from Boston to Porto delayed?

Historically, on average around 3% of flights between Boston and Porto have experienced a delay on any given week. The average delay length over the past 12 months has been 125 minutes.

What airlines fly to Porto?

TAP AIR PORTUGAL, Iberia and United Airlines are the top three most popular airlines that fly to Porto from Boston according to our data. TAP AIR PORTUGAL is the first choice among our users, with 74% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 11 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.

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

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

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

Prices for flights from Boston Logan Intl Airport to Porto Airport are updated daily.

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

There are 11 operators available for flights from Boston Logan Intl Airport to Porto Airport as of January 2026.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Porto Airport.

What documentation or ID do you need to fly to Porto Airport?

The required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$227 Cheap Flights from Boston to Porto in 2026

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Find the cheapest flights from Boston to Porto

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

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 - 7:00 pm

BOS

OPO

15h 15m1 stop

5:15 pm - 7:55 pm

OPO

BOS

7h 40mnonstop

$342TAP AIR PORTUGAL

Wed, Apr 8 - Wed, Apr 15

10:50 pm - 11:15 am

BOS

OPO

32h 25m1 stop

7:20 pm - 9:20 pm

OPO

BOS

30h 00m1 stop

$348SWISS

Tue, Mar 10 - Mon, Mar 16

10:45 pm - 7:00 pm

BOS

OPO

15h 15m1 stop

6:10 pm - 8:45 pm

OPO

BOS

7h 35mnonstop

$349TAP AIR PORTUGAL

Mon, Apr 27 - Wed, May 6

10:45 pm - 3:30 pm

BOS

OPO

11h 45m1 stop

10:30 pm - 2:40 pm

OPO

BOS

21h 10m1 stop

$352TAP AIR PORTUGAL

Sun, May 10 - Sun, May 17

10:45 pm - 5:00 pm

BOS

OPO

13h 15m1 stop

5:15 pm - 7:55 pm

OPO

BOS

7h 40mnonstop

$356TAP AIR PORTUGAL

Mon, Mar 30 - Wed, Apr 8

10:45 pm - 3:00 pm

BOS

OPO

11h 15m1 stop

11:00 am - 8:45 pm

OPO

BOS

14h 45m1 stop

$358TAP AIR PORTUGAL

Wed, Apr 8 - Wed, Apr 15

8:40 pm - 1:15 pm

BOS

OPO

11h 35m1 stop

12:10 pm - 8:20 pm

OPO

BOS

13h 10m1 stop

$359Multiple Airlines

Wed, Jan 21 - Wed, Feb 4

8:40 pm - 1:15 pm

BOS

OPO

11h 35m1 stop

12:10 pm - 8:20 pm

OPO

BOS

13h 10m1 stop

$361Multiple Airlines

Wed, Feb 4 - Wed, Feb 11

7:05 pm - 5:00 pm

BOS

OPO

17h 55m1 stop

5:15 pm - 7:55 pm

OPO

BOS

7h 40mnonstop

$362TAP AIR PORTUGAL

Tue, Mar 24 - Mon, Apr 13

TAP AIR PORTUGAL flights from Boston to Porto

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

TAP AIR PORTUGAL

May 4

BOS10:45 pmBoston Logan Intl

15h 15m

1 stop

OPO7:00 pmPorto

May 18

OPO6:05 pmPorto

7h 40m

BOS8:45 pmBoston Logan Intl

$336

TAP AIR PORTUGAL

Apr 8

BOS10:45 pmBoston Logan Intl

13h 15m

1 stop

OPO5:00 pmPorto

Apr 15

OPO5:15 pmPorto

7h 40m

BOS7:55 pmBoston Logan Intl

$342

TAP AIR PORTUGAL

Apr 27

BOS10:45 pmBoston Logan Intl

15h 15m

1 stop

OPO7:00 pmPorto

May 6

OPO6:10 pmPorto

7h 35m

BOS8:45 pmBoston Logan Intl

$349

SWISS flights from Boston to Porto

Our best SWISS deals on Boston to Porto flight tickets

SWISS

Mar 10

BOS10:50 pmBoston Logan Intl

32h 25m

1 stop

OPO11:15 amPorto

Mar 16

OPO7:20 pmPorto

30h 00m

1 stop

BOS9:20 pmBoston Logan Intl

$348

SWISS

Jan 20

BOS9:50 pmBoston Logan Intl

32h 25m

1 stop

OPO11:15 amPorto

Jan 27

OPO12:05 pmPorto

13h 15m

1 stop

BOS8:20 pmBoston Logan Intl

$367

SWISS

Jan 21

BOS9:50 pmBoston Logan Intl

32h 20m

1 stop

OPO11:10 amPorto

Feb 5

OPO12:05 pmPorto

12h 55m

1 stop

BOS8:00 pmBoston Logan Intl

$368

Fly from

Fly to

Route

Depart

Return

Price

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-7:00 pm

1 stop15h 15m

Porto

Wed 4/15

5:15 pm-7:55 pm

Nonstop7h 40m

$342

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 3/10

10:50 pm-11:15 am

1 stop32h 25m

Porto

Mon 3/16

7:20 pm-9:20 pm

1 stop30h 00m

$348

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 4/27

10:45 pm-7:00 pm

1 stop15h 15m

Porto

Wed 5/6

6:10 pm-8:45 pm

Nonstop7h 35m

$349

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 5/10

10:45 pm-3:30 pm

1 stop11h 45m

Porto

Sun 5/17

10:30 pm-2:40 pm

1 stop21h 10m

$352

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 3/30

10:45 pm-5:00 pm

1 stop13h 15m

Porto

Wed 4/8

5:15 pm-7:55 pm

Nonstop7h 40m

$356

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 4/8

10:45 pm-3:00 pm

1 stop11h 15m

Porto

Wed 4/15

11:00 am-8:45 pm

1 stop14h 45m

$358

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 1/21

8:40 pm-1:15 pm

1 stop11h 35m

Porto

Wed 2/4

12:10 pm-8:20 pm

1 stop13h 10m

$359

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 2/4

8:40 pm-1:15 pm

1 stop11h 35m

Porto

Wed 2/11

12:10 pm-8:20 pm

1 stop13h 10m

$361

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 3/24

7:05 pm-5:00 pm

1 stop17h 55m

Porto

Mon 4/13

5:15 pm-7:55 pm

Nonstop7h 40m

$362

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 Porto

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

Layovers

What is the typical price of a round-trip flight between Boston and Porto?

What is the cheapest month to fly to Porto?

The month of February is, on average, the cheapest month to fly to Porto from Boston, with most prices found around $464. If you aren’t able to travel during the month of February, then book flights to Porto from Boston during November instead. Flights to Porto in November, while not as cheap as those in February, still average around $519.

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

The cheapest day to depart on your flight to Porto is on a Tuesday when prices can be found for as low as $715. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $841. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

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

Fly from Boston Logan Intl to Porto for the best Boston Logan Intl - Porto flight prices

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

You are more likely to see cheaper flights to Porto from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $638 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Boston for as low as $627 on momondo.

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

There are 3 cabin classes available to choose from on Boston Logan Intl to Porto 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 Porto flights?

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

How have Boston to Porto flight prices changed over time?

As of January 2026, prices for Boston to Porto flights are approximately 21% more expensive when compared to flights at the same time last year.

When to book flights from Boston to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Porto according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boston to Porto (BOS to OPO) flight deals and tips

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

Best Price Found	$279
Fastest flight time	6h 40m
Direct flights	Mon, Tue, Thu and Sun
Airports in Porto	1 airport

The best one-way flight to Porto from Boston in the past 72 hours is $279. The best round-trip flight deal from Boston to Porto found on momondo in the last 72 hours is $557.

The fastest flight from Boston to Porto takes 6h 40m

Direct flights go from Boston to Porto on Monday, Tuesday, Thursday and Sunday. The only airline offering direct flights is TAP AIR PORTUGAL.

There is 1 airport in Porto. From Boston there are direct flights to Porto (OPO).

Search flight deals

How far is Boston Logan Intl to Porto by plane?
The straight-line distance from Boston Logan Intl to Porto is 3141.4 mi. A reasonable flight in good conditions will take 6h 40m.
When did momondo last update prices for flights from Boston Logan Intl Airport to Porto Airport?
Prices for flights from Boston Logan Intl Airport to Porto Airport are updated daily.
How many operators does momondo search for flights from Boston Logan Intl Airport to Porto Airport?
There are 11 operators available for flights from Boston Logan Intl Airport to Porto Airport as of January 2026.
How old do you have to be to fly from Boston Logan Intl Airport to Porto Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Boston to Porto?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Boston to Porto is Airbus A321neo (60.91% of total bookings). The next most popular plane models are Airbus A330-900neo (11.32%), Airbus A350-900 (5.97%), and Airbus A321-100/200 (4.32%).
What is the most popular airline from Boston to Porto?
Based on momondo bookings for flights between Boston and Porto, the leading airline is TAP AIR PORTUGAL, making up 64% of the total bookings. Other popular airlines include Iberia with 11%, United Airlines with 7%, and Azores Airlines with 5%.

Best airlines flying from Boston to Porto

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

Airline	Rating	Free Cancellation	Price
SWISS	PriceFrom $338	Free Cancellation	Rating 7.5 1,843 reviews	Search SWISS flights
Iberia	PriceFrom $373	Free Cancellation	Rating 7.0 3,079 reviews	Search Iberia flights
British Airways	PriceFrom $374	Free Cancellation	Rating 6.7 7,659 reviews	Search British Airways flights
KLM	PriceFrom $394	Free Cancellation	Rating 7.7 1,434 reviews	Search KLM flights
United Airlines	PriceFrom $407	Free Cancellation	Rating 7.4 9,142 reviews	Search United Airlines flights
American Airlines	PriceFrom $424	Free Cancellation	Rating 7.2 11,097 reviews	Search American Airlines flights
Delta	PriceFrom $426	Free Cancellation	Rating 7.9 8,032 reviews	Search Delta flights
Air Canada	PriceFrom $434	Free Cancellation	Rating 7.1 10,603 reviews	Search Air Canada flights
Lufthansa	PriceFrom $449	Free Cancellation	Rating 6.8 7,698 reviews	Search Lufthansa flights
Azores Airlines	PriceFrom $456	Free Cancellation	Rating 7.4 90 reviews	Search Azores Airlines flights

Vila Nova de Gaia

Coimbra

Braga

Matosinhos

Aveiro

Esposende

Lamego

Guimarães

Chaves

Espinho

Viseu

Pinhao

Arcos de Valdevez

Ponte de Lima

Curia

Penafiel

Mesao Frio

Mira

Baiao

Why use momondo?

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

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

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

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

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

Once all potential Boston to Porto flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Porto, momondo offers a useful price alert feature which will track prices for flights to Porto from Boston and alert you when they change.

An easier way to manage your Porto 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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Airports servicing Portugal

Faro Airport

Lisbon Humberto Delgado Airport

Azores Airport

Madeira Airport

Algarve Airport

Cheap flights from Boston to Porto from $227

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 Porto departing on 3/28. 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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Filter for what you want

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TAP AIR PORTUGAL flights from Boston to Porto

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

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Our best SWISS deals on Boston to Porto flight tickets

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See travel insights to Porto from

How to get the cheapest flight ticket from Boston to Porto

What is the typical price of a round-trip flight between Boston and Porto?

What is the cheapest month to fly to Porto?

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

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

Fly from Boston Logan Intl to Porto for the best Boston Logan Intl - Porto flight prices

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

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

There are 3 cabin classes available to choose from on Boston Logan Intl to Porto 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 Porto flights?

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

How have Boston to Porto flight prices changed over time?

As of January 2026, prices for Boston to Porto flights are approximately 21% more expensive when compared to flights at the same time last year.

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

Air Canada and Lufthansa are the most popular carriers operating from Boston Logan Intl to Porto

What airlines fly to Porto?

How often are flights from Boston to Porto delayed?

Historically, on average around 3% of flights between Boston and Porto have experienced a delay on any given week. The average delay length over the past 12 months has been 125 minutes.

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

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

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

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

Which airline has the best punctuality record on Boston to Porto 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 3% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Boston and Porto?

Madrid (MAD) was the most common stop: 37% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Boston to Porto?

Flights via Paris (CDG) offer the lowest average round-trip price of $533.

Which layover airport has the shortest travel time from Boston to Porto?

Flights connecting via Lajes (TER) have the shortest average one-way travel time: 8h 40m.

Which layover airport has the shortest connection time from Boston to Porto?

Paris (CDG) has the shortest average layover time for this route: 1h 28m.

When to book flights from Boston to Porto

Cheap Boston to Porto (BOS to OPO) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Porto

How far is Boston Logan Intl to Porto by plane?

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

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

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

What documentation or ID do you need to fly to Porto Airport?

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

What is the most popular airline from Boston to Porto?

Best airlines flying from Boston to Porto

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

Traveling to a place near Porto?

Why use momondo?

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

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

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

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

An easier way to manage your Porto 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.