Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Boston to Portugal from $210

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 5/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Boston to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
10:45 pm - 7:00 pm
BOS
-
OPO
15h 15m1 stop
TAP AIR PORTUGAL Logo
6:05 pm - 8:45 pm
OPO
-
BOS
7h 40mnonstop
$336TAP AIR PORTUGAL
Mon, May 4 - Mon, May 18
TAP AIR PORTUGAL Logo
10:45 pm - 7:00 pm
BOS
-
OPO
15h 15m1 stop
TAP AIR PORTUGAL Logo
5:15 pm - 7:55 pm
OPO
-
BOS
7h 40mnonstop
$342TAP AIR PORTUGAL
Wed, Apr 8 - Wed, Apr 15
SWISS Logo
10:50 pm - 11:15 am
BOS
-
OPO
32h 25m1 stop
SWISS Logo
7:20 pm - 9:20 pm
OPO
-
BOS
30h 00m1 stop
$348SWISS
Tue, Mar 10 - Mon, Mar 16
Iberia Logo
12:16 pm - 7:40 am
BOS
-
LIS
14h 24m2 stops
Iberia Logo
7:45 am - 7:50 pm
LIS
-
BOS
17h 05m1 stop
$509Iberia
Fri, Feb 6 - Sun, Feb 15
United Airlines Logo
5:30 am - 8:55 am
BOS
-
LIS
22h 25m1 stop
United Airlines Logo
10:15 am - 11:57 pm
LIS
-
BOS
18h 42m2 stops
$511United Airlines
Sat, Feb 7 - Sat, Feb 14
United Airlines Logo
2:20 pm - 8:10 am
BOS
-
LIS
12h 50m2 stops
United Airlines Logo
10:15 am - 7:08 pm
LIS
-
BOS
13h 53m2 stops
$512United Airlines
Thu, Feb 19 - Wed, Feb 25
KLM Logo
7:10 pm - 5:50 pm
BOS
-
FNC
17h 40m1 stop
KLM Logo
10:25 am - 1:25 pm
FNC
-
BOS
32h 00m1 stop
$538KLM
Fri, Feb 6 - Mon, Feb 9
KLM Logo
4:58 pm - 5:50 pm
BOS
-
FNC
19h 52m2 stops
KLM Logo
10:25 am - 1:25 pm
FNC
-
BOS
32h 00m1 stop
$543KLM
Fri, Feb 6 - Mon, Feb 9
Azores Airlines Logo
9:25 pm - 7:25 pm
BOS
-
PXO
17h 00m2 stops
Azores Airlines Logo
8:30 am - 8:00 pm
PXO
-
BOS
16h 30m2 stops
$906Azores Airlines
Sun, Feb 22 - Sun, Mar 1
Azores Airlines Logo
9:25 pm - 7:35 pm
BOS
-
PXO
17h 10m2 stops
Azores Airlines Logo
8:30 am - 8:00 pm
PXO
-
BOS
16h 30m2 stops
$951Azores Airlines
Fri, Feb 6 - Fri, Feb 13

Aer Lingus flights from Boston to Portugal

Our best Aer Lingus deals on Boston to Portugal flight tickets
Aer Lingus
Jan 26
BOS5:10 pmBoston Logan Intl
12h 20m
1 stop
FAO10:30 amFaro
Feb 10
FAO11:10 amFaro
12h 49m
1 stop
BOS6:59 pmBoston Logan Intl
$470
Aer Lingus
Jan 26
BOS5:10 pmBoston Logan Intl
12h 20m
1 stop
FAO10:30 amFaro
Feb 10
FAO11:10 amFaro
12h 49m
1 stop
BOS6:59 pmBoston Logan Intl
$474
Aer Lingus
Jan 17
BOS5:10 pmBoston Logan Intl
20h 05m
1 stop
LIS6:15 pmLisbon Humberto Delgado
Jan 24
LIS10:50 amLisbon Humberto Delgado
13h 09m
1 stop
BOS6:59 pmBoston Logan Intl
$525

Iberia flights from Boston to Portugal

Our best Iberia deals on Boston to Portugal flight tickets
Iberia
Feb 6
BOS12:16 pmBoston Logan Intl
14h 24m
2 stops
LIS7:40 amLisbon Humberto Delgado
Feb 15
LIS7:45 amLisbon Humberto Delgado
17h 05m
1 stop
BOS7:50 pmBoston Logan Intl
$509
Iberia
Jan 18
BOS10:40 pmBoston Logan Intl
16h 45m
1 stop
LIS8:25 pmLisbon Humberto Delgado
Jan 29
LIS1:55 pmLisbon Humberto Delgado
12h 00m
1 stop
BOS8:55 pmBoston Logan Intl
$578
Iberia
Jan 18
BOS10:40 pmBoston Logan Intl
16h 45m
1 stop
LIS8:25 pmLisbon Humberto Delgado
Jan 29
LIS1:55 pmLisbon Humberto Delgado
12h 00m
1 stop
BOS8:55 pmBoston Logan Intl
$579

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Portugal 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 8, 2026.
Use the filters below to find and compare flights from Boston to Portugal that are best for you.

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

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Fri 2/6

12:16 pm-7:40 am

2 stops14h 24m

Lisbon Humberto Delgado

Sun 2/15

7:45 am-7:50 pm

1 stop17h 05m

$509

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sat 2/7

5:30 am-8:55 am

1 stop22h 25m

Lisbon Humberto Delgado

Sat 2/14

10:15 am-11:57 pm

2 stops18h 42m

$511

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 2/19

2:20 pm-8:10 am

2 stops12h 50m

Lisbon Humberto Delgado

Wed 2/25

10:15 am-7:08 pm

2 stops13h 53m

$512

BostonFunchal

BOS - FNC

BOSFNC

Boston Logan Intl

Fri 2/6

7:10 pm-5:50 pm

1 stop17h 40m

Funchal Madeira

Mon 2/9

10:25 am-1:25 pm

1 stop32h 00m

$538

BostonFunchal

BOS - FNC

BOSFNC

Boston Logan Intl

Fri 2/6

4:58 pm-5:50 pm

2 stops19h 52m

Funchal Madeira

Mon 2/9

10:25 am-1:25 pm

1 stop32h 00m

$543

BostonPorto Santo

BOS - PXO

BOSPXO

Boston Logan Intl

Sun 2/22

9:25 pm-7:25 pm

2 stops17h 00m

Porto Santo

Sun 3/1

8:30 am-8:00 pm

2 stops16h 30m

$906

BostonPorto Santo

BOS - PXO

BOSPXO

Boston Logan Intl

Fri 2/6

9:25 pm-7:35 pm

2 stops17h 10m

Porto Santo

Fri 2/13

8:30 am-8:00 pm

2 stops16h 30m

$951

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Portugal from

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

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 $638, 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 $664.

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

According to our data, Monday is the cheapest day to fly to Portugal from Boston. The lowest ticket price found for a Monday departure recently was $787. 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 $881.

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 $834 per ticket.

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

Fly from Boston Logan Intl to Lisbon Humberto Delgado 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 $726 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?

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

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

Every day

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 $530.
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?

  • 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?

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
VuelingPriceFrom $78Free CancellationRating
7.1
1,222 reviews
Search Vueling flights
LEVELPriceFrom $232Free CancellationRating
0.0
Search LEVEL flights
PLAYPriceFrom $328Free CancellationRating
7.0
103 reviews
Search PLAY flights
SWISSPriceFrom $338Free CancellationRating
7.5
1,840 reviews
Search SWISS flights
IberiaPriceFrom $343Free CancellationRating
7.0
3,076 reviews
Search Iberia flights
British AirwaysPriceFrom $374Free CancellationRating
6.7
7,657 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $381Free CancellationRating
7.3
1,635 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $386Free CancellationRating
7.1
593 reviews
Search Icelandair flights
American AirlinesPriceFrom $393Free CancellationRating
7.2
11,095 reviews
Search American Airlines flights
KLMPriceFrom $394Free CancellationRating
7.7
1,434 reviews
Search KLM 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 2/7
Sat 2/14
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo
Flights to Lisbonfrom $351
Flights to Portofrom $333
Flights to Funchalfrom $387
Flights to Farofrom $383
Flights to Ponta Delgadafrom $422
Flights to Lajesfrom $429
Flights to Hortafrom $490
Flights to Pico Islandfrom $477
Flights to Porto Santofrom $454
Flights to Velasfrom $555