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Cheap flights from Porto to Boston from $277

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 4/28. 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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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
6:05 pm - 8:45 pm
OPO
-
BOS
7h 40mnonstop
TAP AIR PORTUGAL Logo
11:15 pm - 10:55 am
BOS
-
OPO
6h 40mnonstop
$412TAP AIR PORTUGAL
Mon, May 4 - Mon, May 11
TAP AIR PORTUGAL Logo
6:05 pm - 8:45 pm
OPO
-
BOS
7h 40mnonstop
TAP AIR PORTUGAL Logo
11:15 pm - 10:55 am
BOS
-
OPO
6h 40mnonstop
$421TAP AIR PORTUGAL
Mon, May 4 - Sun, May 10
TAP AIR PORTUGAL Logo
6:10 pm - 8:45 pm
OPO
-
BOS
7h 35mnonstop
TAP AIR PORTUGAL Logo
10:45 pm - 3:00 pm
BOS
-
OPO
11h 15m
1 stop
$434TAP AIR PORTUGAL
Wed, May 6 - Wed, May 13
TAP AIR PORTUGAL Logo
10:35 pm - 2:40 pm
OPO
-
BOS
21h 05m
1 stop
TAP AIR PORTUGAL Logo
11:15 pm - 10:55 am
BOS
-
OPO
6h 40mnonstop
$435TAP AIR PORTUGAL
Mon, May 4 - Mon, May 11
Lufthansa Logo
6:00 am - 1:35 pm
OPO
-
BOS
12h 35m
1 stop
Lufthansa Logo
8:40 pm - 12:50 pm
BOS
-
OPO
11h 10m
1 stop
$437Lufthansa
Fri, Feb 13 - Sun, Feb 22
Lufthansa Logo
6:00 am - 1:35 pm
OPO
-
BOS
12h 35m
1 stop
Lufthansa Logo
8:40 pm - 12:50 pm
BOS
-
OPO
11h 10m
1 stop
$438Lufthansa
Fri, Feb 13 - Sat, Feb 21
Lufthansa Logo
6:00 am - 1:35 pm
OPO
-
BOS
12h 35m
1 stop
Lufthansa Logo
8:40 pm - 12:50 pm
BOS
-
OPO
11h 10m
1 stop
$439Lufthansa
Thu, Feb 12 - Sat, Feb 21
TAP AIR PORTUGAL Logo
5:05 am - 2:40 pm
OPO
-
BOS
14h 35m
1 stop
TAP AIR PORTUGAL Logo
11:15 pm - 10:55 am
BOS
-
OPO
6h 40mnonstop
$441TAP AIR PORTUGAL
Wed, Apr 22 - Sun, May 3
TAP AIR PORTUGAL Logo
11:55 am - 8:45 pm
OPO
-
BOS
13h 50m
1 stop
TAP AIR PORTUGAL Logo
11:15 pm - 10:55 am
BOS
-
OPO
6h 40mnonstop
$443TAP AIR PORTUGAL
Sun, May 3 - Sun, May 10
TAP AIR PORTUGAL Logo
11:55 am - 8:20 pm
OPO
-
BOS
13h 25m
1 stop
TAP AIR PORTUGAL Logo
11:15 pm - 10:55 am
BOS
-
OPO
6h 40mnonstop
$444TAP AIR PORTUGAL
Mon, May 4 - Sun, May 10

Lufthansa flights from Porto to Boston

Our best Lufthansa deals on Porto to Boston flight tickets
Lufthansa
Feb 13
OPO6:00 amPorto
12h 35m
1 stop
BOS1:35 pmBoston Logan Intl
Feb 22
BOS8:40 pmBoston Logan Intl
11h 10m
1 stop
OPO12:50 pmPorto
$437
Lufthansa
Feb 13
OPO6:00 amPorto
12h 35m
1 stop
BOS1:35 pmBoston Logan Intl
Feb 21
BOS8:40 pmBoston Logan Intl
11h 10m
1 stop
OPO12:50 pmPorto
$438
Lufthansa
Feb 12
OPO6:00 amPorto
12h 35m
1 stop
BOS1:35 pmBoston Logan Intl
Feb 21
BOS8:40 pmBoston Logan Intl
11h 10m
1 stop
OPO12:50 pmPorto
$439

United Airlines flights from Porto to Boston

Our best United Airlines deals on Porto to Boston flight tickets
United Airlines
Mar 6
OPO6:00 amPorto
12h 10m
1 stop
BOS1:10 pmBoston Logan Intl
Mar 9
BOS2:15 pmBoston Logan Intl
15h 15m
2 stops
OPO9:30 amPorto
$458
United Airlines
Feb 12
OPO6:00 amPorto
12h 35m
1 stop
BOS1:35 pmBoston Logan Intl
Feb 21
BOS7:48 amBoston Logan Intl
22h 52m
2 stops
OPO11:40 amPorto
$463
United Airlines
Feb 13
OPO6:00 amPorto
20h 48m
2 stops
BOS9:48 pmBoston Logan Intl
Feb 22
BOS8:11 amBoston Logan Intl
20h 19m
1 stop
OPO9:30 amPorto
$464

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 January 28, 2026.
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

Mon 5/4

6:05 pm-8:45 pm

Nonstop7h 40m

Boston Logan Intl

Mon 5/11

11:15 pm-10:55 am

Nonstop6h 40m

$412

PortoBoston

OPO - BOS

OPOBOS

Porto

Mon 5/4

6:05 pm-8:45 pm

Nonstop7h 40m

Boston Logan Intl

Sun 5/10

11:15 pm-10:55 am

Nonstop6h 40m

$421

PortoBoston

OPO - BOS

OPOBOS

Porto

Wed 5/6

6:10 pm-8:45 pm

Nonstop7h 35m

Boston Logan Intl

Wed 5/13

10:45 pm-3:00 pm

1 stop11h 15m

$434

PortoBoston

OPO - BOS

OPOBOS

Porto

Mon 5/4

10:35 pm-2:40 pm

1 stop21h 05m

Boston Logan Intl

Mon 5/11

11:15 pm-10:55 am

Nonstop6h 40m

$435

PortoBoston

OPO - BOS

OPOBOS

Porto

Fri 2/13

6:00 am-1:35 pm

1 stop12h 35m

Boston Logan Intl

Sun 2/22

8:40 pm-12:50 pm

1 stop11h 10m

$437

PortoBoston

OPO - BOS

OPOBOS

Porto

Fri 2/13

6:00 am-1:35 pm

1 stop12h 35m

Boston Logan Intl

Sat 2/21

8:40 pm-12:50 pm

1 stop11h 10m

$438

PortoBoston

OPO - BOS

OPOBOS

Porto

Thu 2/12

6:00 am-1:35 pm

1 stop12h 35m

Boston Logan Intl

Sat 2/21

8:40 pm-12:50 pm

1 stop11h 10m

$439

PortoBoston

OPO - BOS

OPOBOS

Porto

Wed 4/22

5:05 am-2:40 pm

1 stop14h 35m

Boston Logan Intl

Sun 5/3

11:15 pm-10:55 am

Nonstop6h 40m

$441

PortoBoston

OPO - BOS

OPOBOS

Porto

Sun 5/3

11:55 am-8:45 pm

1 stop13h 50m

Boston Logan Intl

Sun 5/10

11:15 pm-10:55 am

Nonstop6h 40m

$443

PortoBoston

OPO - BOS

OPOBOS

Porto

Mon 5/4

11:55 am-8:20 pm

1 stop13h 25m

Boston Logan Intl

Sun 5/10

11:15 pm-10:55 am

Nonstop6h 40m

$444

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 March instead. Flights to Boston in March, while not as cheap as those in October, still average around $569.

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 $529. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $826.

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 $667 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.

How have Porto to Boston flight prices changed over time?

As of January 2026, prices for Porto to Boston flights are approximately 34% more expensive 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

Best Price Found

$522

Fastest flight time

7h 35m

Direct flights

Mon, Tue, Thu and Sun

Airports in Boston

1 airport
The best one-way flight to Boston from Porto in the past 72 hours is $522. The best round-trip flight deal from Porto to Boston found on momondo in the last 72 hours is $801.
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
TAP AIR PORTUGALPriceFrom $486Free CancellationRating
7.1
2,130 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
Kennebunkport
Plymouth
South Yarmouth
Cambridge
Narragansett
Gloucester
Falmouth
Nashua
Brockton
Laconia
Sturbridge
Chatham
Warwick
Concord

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.

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