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Cheap flights from Porto to Boston from $349

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto to Boston departing on 5/13. 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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0 bags

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Find the cheapest flights from Porto to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
6:00 pm - 8:40 pm
OPO
-
BOS
7h 40mnonstop
TAP AIR PORTUGAL Logo
10:45 pm - 6:55 pm
BOS
-
OPO
15h 10m1 stop
$502TAP AIR PORTUGAL
Sun, May 3 - Thu, May 14
Multiple Airlines Logo
9:55 pm - 8:55 pm
OPO
-
BOS
28h 00m1 stop
Multiple Airlines Logo
11:40 pm - 8:10 am
BOS
-
OPO
28h 30m1 stop
$510Multiple Airlines
Mon, Mar 2 - Mon, Mar 16
Multiple Airlines Logo
9:55 pm - 8:55 pm
OPO
-
BOS
28h 00m1 stop
Multiple Airlines Logo
11:40 pm - 8:10 am
BOS
-
OPO
28h 30m1 stop
$512Multiple Airlines
Mon, Mar 2 - Mon, Mar 16
Multiple Airlines Logo
9:55 pm - 8:55 pm
OPO
-
BOS
28h 00m1 stop
Multiple Airlines Logo
11:40 pm - 8:10 am
BOS
-
OPO
28h 30m1 stop
$513Multiple Airlines
Mon, Mar 2 - Mon, Mar 16
TAP AIR PORTUGAL Logo
7:00 am - 8:10 pm
OPO
-
BOS
18h 10m1 stop
TAP AIR PORTUGAL Logo
6:05 pm - 7:00 pm
BOS
-
OPO
19h 55m1 stop
$522TAP AIR PORTUGAL
Thu, Jan 15 - Wed, Jan 21
TAP AIR PORTUGAL Logo
5:05 am - 2:40 pm
OPO
-
BOS
14h 35m1 stop
TAP AIR PORTUGAL Logo
10:45 pm - 6:55 pm
BOS
-
OPO
15h 10m1 stop
$523TAP AIR PORTUGAL
Sun, May 3 - Thu, May 14
TAP AIR PORTUGAL Logo
10:20 am - 8:10 pm
OPO
-
BOS
14h 50m1 stop
TAP AIR PORTUGAL Logo
6:05 pm - 1:05 pm
BOS
-
OPO
14h 00m1 stop
$525TAP AIR PORTUGAL
Thu, Jan 15 - Wed, Jan 21
Multiple Airlines Logo
8:45 am - 8:55 pm
OPO
-
BOS
17h 10m1 stop
Multiple Airlines Logo
11:40 pm - 9:15 pm
BOS
-
OPO
17h 35m1 stop
$531Multiple Airlines
Tue, Mar 3 - Tue, Mar 17
Multiple Airlines Logo
8:45 am - 8:55 pm
OPO
-
BOS
17h 10m1 stop
Multiple Airlines Logo
11:40 pm - 9:15 pm
BOS
-
OPO
17h 35m1 stop
$533Multiple Airlines
Tue, Mar 3 - Tue, Mar 17
Multiple Airlines Logo
8:45 am - 8:55 pm
OPO
-
BOS
17h 10m1 stop
Multiple Airlines Logo
11:40 pm - 9:15 pm
BOS
-
OPO
17h 35m1 stop
$536Multiple Airlines
Thu, Mar 5 - Tue, Mar 17

TAP AIR PORTUGAL flights from Porto to Boston

Our best TAP AIR PORTUGAL deals on Porto to Boston flight tickets
TAP AIR PORTUGAL
May 3
OPO6:00 pmPorto
7h 40m
BOS8:40 pmBoston Logan Intl
May 14
BOS10:45 pmBoston Logan Intl
15h 10m
1 stop
OPO6:55 pmPorto
$502
Find similar
TAP AIR PORTUGAL
Jan 15
OPO10:20 amPorto
14h 50m
1 stop
BOS8:10 pmBoston Logan Intl
Jan 21
BOS6:05 pmBoston Logan Intl
19h 55m
1 stop
OPO7:00 pmPorto
$521
Find similar
TAP AIR PORTUGAL
Jan 15
OPO7:00 amPorto
18h 10m
1 stop
BOS8:10 pmBoston Logan Intl
Jan 21
BOS6:05 pmBoston Logan Intl
19h 55m
1 stop
OPO7:00 pmPorto
$522
Find similar

American Airlines flights from Porto to Boston

Our best American Airlines deals on Porto to Boston flight tickets
American Airlines
Dec 24
OPO12:25 pmPorto
12h 25m
1 stop
BOS7:50 pmBoston Logan Intl
Oct 9
BOS1:01 pmBoston Logan Intl
13h 39m
2 stops
OPO7:40 amPorto
$691
Find similar
American Airlines
Dec 18
OPO12:25 pmPorto
12h 25m
1 stop
BOS7:50 pmBoston Logan Intl
Jan 10
BOS3:35 pmBoston Logan Intl
15h 10m
2 stops
OPO11:45 amPorto
$726
Find similar
American Airlines
Dec 18
OPO12:25 pmPorto
15h 22m
2 stops
BOS10:47 pmBoston Logan Intl
Jan 10
BOS3:35 pmBoston Logan Intl
15h 10m
2 stops
OPO11:45 amPorto
$736
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Porto to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from Porto to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortoBoston

OPO - BOS

OPOBOS

Porto

Sun 5/3

6:00 pm-8:40 pm

Nonstop7h 40m

Boston Logan Intl

Thu 5/14

10:45 pm-6:55 pm

1 stop15h 10m

$502

PortoBoston

OPO - BOS

OPOBOS

Porto

Mon 3/2

9:55 pm-8:55 pm

1 stop28h 00m

Boston Logan Intl

Mon 3/16

11:40 pm-8:10 am

1 stop28h 30m

$510

PortoBoston

OPO - BOS

OPOBOS

Porto

Mon 3/2

9:55 pm-8:55 pm

1 stop28h 00m

Boston Logan Intl

Mon 3/16

11:40 pm-8:10 am

1 stop28h 30m

$512

PortoBoston

OPO - BOS

OPOBOS

Porto

Mon 3/2

9:55 pm-8:55 pm

1 stop28h 00m

Boston Logan Intl

Mon 3/16

11:40 pm-8:10 am

1 stop28h 30m

$513

PortoBoston

OPO - BOS

OPOBOS

Porto

Thu 1/15

7:00 am-8:10 pm

1 stop18h 10m

Boston Logan Intl

Wed 1/21

6:05 pm-7:00 pm

1 stop19h 55m

$522

PortoBoston

OPO - BOS

OPOBOS

Porto

Sun 5/3

5:05 am-2:40 pm

1 stop14h 35m

Boston Logan Intl

Thu 5/14

10:45 pm-6:55 pm

1 stop15h 10m

$523

PortoBoston

OPO - BOS

OPOBOS

Porto

Thu 1/15

10:20 am-8:10 pm

1 stop14h 50m

Boston Logan Intl

Wed 1/21

6:05 pm-1:05 pm

1 stop14h 00m

$525

PortoBoston

OPO - BOS

OPOBOS

Porto

Tue 3/3

8:45 am-8:55 pm

1 stop17h 10m

Boston Logan Intl

Tue 3/17

11:40 pm-9:15 pm

1 stop17h 35m

$531

PortoBoston

OPO - BOS

OPOBOS

Porto

Tue 3/3

8:45 am-8:55 pm

1 stop17h 10m

Boston Logan Intl

Tue 3/17

11:40 pm-9:15 pm

1 stop17h 35m

$533

PortoBoston

OPO - BOS

OPOBOS

Porto

Thu 3/5

8:45 am-8:55 pm

1 stop17h 10m

Boston Logan Intl

Tue 3/17

11:40 pm-9:15 pm

1 stop17h 35m

$536

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Boston from

How to get the cheapest flight ticket from Porto to Boston

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

What is the cheapest month to fly to Boston?

In general, October is the cheapest month to fly from Porto to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $500. If you aren’t able to travel during the month of October, then book flights to Boston from Porto during February instead. Flights to Boston in February, while not as cheap as those in October, still average around $543.

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

The cheapest day to depart from Porto to Boston is on a Monday when prices can be found for as low as $507. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Saturday is $772.

What is the cheapest time of day to depart on your flight to Boston?

According to our data, the cheapest time of day to fly to Boston is in the evening. momondo users have found flights departing from Porto to Boston in the evening for as low as $505. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Boston, so prices are often more expensive at around $655 per ticket.

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

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

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

You are more likely to see cheaper flights to Boston from Porto when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $666 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Porto for as low as $494 on momondo.

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

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

You could potentially save up to 15% on your flight if you consider stops on a Porto to Boston flight.

How have Porto to Boston flight prices changed over time?

As of December 2025, prices for Porto to Boston flights are approximately 0% cheaper when compared to flights at the same time last year.

When to book flights from Porto to Boston

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

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

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

Fastest flight time

7h 35m

Direct flights

Mon, Tue, Thu and Sun

Airports in Boston

1 airport
The fastest flight from Porto to Boston takes 7h 35m
Direct flights go from Porto to Boston on Monday, Tuesday, Thursday and Sunday. The only airline offering direct flights is TAP AIR PORTUGAL.
There is 1 airport in Boston. From Porto there are direct flights to Boston Logan Intl (BOS).
Search flight deals

  • How far is Porto to Boston Logan Intl by plane?

    The straight-line distance from Porto to Boston Logan Intl is 3141.4 mi. Typically, this will take 7h 35m by plane in normal conditions.

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

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

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

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

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The required travel and health documents for your Boston Logan Intl 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 Boston Logan Intl 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 Porto to Boston?

  • What is the most popular airline from Porto to Boston?

Best airlines flying from Porto to Boston

Compare and see reviews for airlines that fly from Porto to Boston with momondo
Airline
Rating
Free Cancellation
Price
Azores AirlinesPriceFrom $370Free CancellationRating
7.5
88 reviews
Search Azores Airlines flights
TAP AIR PORTUGALPriceFrom $486Free CancellationRating
7.2
2,089 reviews
Search TAP AIR PORTUGAL flights

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Old Orchard Beach
Hampton
York Beach
Plymouth
Kennebunkport
South Yarmouth
Cambridge
Narragansett
Gloucester
Nashua
Falmouth
Laconia
Brockton
Concord
Sturbridge
Everett
Chatham

Why use momondo?

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

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

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

Flights from Porto to Boston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Boston from Porto.

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

If you are not ready to book a flight from Porto to Boston now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Boston and let you know when they change.

An easier way to manage your Boston trip

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