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

32 flights are operational weekly from Portugal to Maine as of March 2026. The most popular departure day for this route is Fri, with 34% of flights per week taking off on this day.

What is the cheapest airline that flies from Portugal to Maine?

TAP AIR PORTUGAL, British Airways, and Azores Airlines are the most popular carriers operating from Portugal to Maine

When did momondo last update prices for flights from Portugal to Maine?

Prices for flights from Portugal to Maine were last updated today.

How many operators does momondo search for flights from Portugal to Maine?

The number of operators available for flights from Portugal to Maine is 7 as of March 2026.

How old do you have to be to fly from Portugal to Maine?

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 Portugal to Maine.

What documentation or ID do you need to fly to Maine?

The required travel and health documents for your Maine 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 Maine. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$230 Cheap Flights from Portugal to Maine in 2026

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Find the cheapest flights from Portugal to Maine

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One-way

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Recent round-trip flight deals from Portugal to Maine

Enter your travel dates to find the best prices.

12:35 pm - 8:20 pm

OPO

BOS

12h 45m

1 stop

11:15 pm - 10:55 am

BOS

OPO

6h 40mnonstop

$458TAP AIR PORTUGAL

Thu, May 21 - Mon, May 25

1:25 pm - 9:05 pm

OPO

BOS

12h 40m

1 stop

10:50 pm - 9:40 pm

BOS

OPO

17h 50m

1 stop

$460Multiple Airlines

Fri, Apr 17 - Fri, Apr 24

9:00 am - 2:45 pm

OPO

BOS

10h 45m

1 stop

11:15 pm - 10:45 am

BOS

OPO

6h 30mnonstop

$463TAP AIR PORTUGAL

Wed, Apr 15 - Wed, Apr 22

1:45 pm - 9:05 pm

OPO

BOS

12h 20m

1 stop

10:50 pm - 1:15 pm

BOS

OPO

33h 25m

1 stop

$467Multiple Airlines

Sat, Apr 18 - Sat, Apr 25

6:20 pm - 3:35 pm

OPO

BOS

26h 15m

1 stop

5:40 pm - 11:10 am

BOS

OPO

12h 30m

1 stop

$501Scandinavian Airlines

Sun, Apr 19 - Sun, Apr 26

5:00 am - 1:13 pm

OPO

BOS

13h 13m

1 stop

9:50 pm - 3:25 pm

BOS

OPO

12h 35m

1 stop

$510KLM

Thu, Apr 9 - Sun, May 31

11:55 am - 6:30 pm

LIS

BOS

11h 35m

1 stop

9:45 pm - 2:55 pm

BOS

LIS

12h 10m

1 stop

$518Delta

Sun, Apr 5 - Mon, Apr 13

11:55 am - 6:30 pm

LIS

BOS

11h 35m

1 stop

5:10 pm - 8:50 am

BOS

LIS

10h 40m

1 stop

$519Delta

Mon, Mar 30 - Mon, Apr 6

2:00 pm - 9:05 pm

LIS

BOS

12h 05m

1 stop

10:50 pm - 8:30 am

BOS

LIS

28h 40m

1 stop

$520LEVEL

Sat, Apr 18 - Sat, Apr 25

9:15 pm - 9:05 pm

LIS

BOS

28h 50m

1 stop

10:50 pm - 8:30 am

BOS

LIS

28h 40m

1 stop

$524LEVEL

Thu, Apr 16 - Sat, Apr 25

TAP AIR PORTUGAL flights from Portugal to Maine

Our best TAP AIR PORTUGAL deals on Portugal to Maine flight tickets

TAP AIR PORTUGAL

May 21

OPO12:35 pmPorto

12h 45m

1 stop

BOS8:20 pmBoston Logan Intl

May 25

BOS11:15 pmBoston Logan Intl

6h 40m

OPO10:55 amPorto

$458

TAP AIR PORTUGAL

Apr 15

OPO9:00 amPorto

10h 45m

1 stop

BOS2:45 pmBoston Logan Intl

Apr 22

BOS11:15 pmBoston Logan Intl

6h 30m

OPO10:45 amPorto

$463

TAP AIR PORTUGAL

Apr 13

OPO12:00 pmPorto

13h 20m

1 stop

BOS8:20 pmBoston Logan Intl

Apr 22

BOS11:15 pmBoston Logan Intl

6h 30m

OPO10:45 amPorto

$474

Iberia flights from Portugal to Maine

Our best Iberia deals on Portugal to Maine flight tickets

Iberia

Apr 18

LIS2:00 pmLisbon Humberto Delgado

12h 05m

1 stop

BOS9:05 pmBoston Logan Intl

Apr 21

BOS10:50 pmBoston Logan Intl

13h 20m

1 stop

LIS5:10 pmLisbon Humberto Delgado

$552

Iberia

Apr 3

LIS10:10 pmLisbon Humberto Delgado

27h 55m

1 stop

BOS9:05 pmBoston Logan Intl

Apr 21

BOS10:50 pmBoston Logan Intl

13h 20m

1 stop

LIS5:10 pmLisbon Humberto Delgado

$577

Iberia

Apr 16

LIS9:10 amLisbon Humberto Delgado

16h 55m

1 stop

BOS9:05 pmBoston Logan Intl

Apr 23

BOS10:50 pmBoston Logan Intl

13h 20m

1 stop

LIS5:10 pmLisbon Humberto Delgado

$582

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoBoston

OPO - BOS

OPOBOS

Porto

Thu 5/21

12:35 pm-8:20 pm

1 stop12h 45m

Boston Logan Intl

Mon 5/25

11:15 pm-10:55 am

Nonstop6h 40m

$458

PortoBoston

OPO - BOS

OPOBOS

Porto

Fri 4/17

1:25 pm-9:05 pm

1 stop12h 40m

Boston Logan Intl

Fri 4/24

10:50 pm-9:40 pm

1 stop17h 50m

$460

Quickest round-trip

PortoBoston

OPO - BOS

OPOBOS

Porto

Wed 4/15

9:00 am-2:45 pm

1 stop10h 45m

Boston Logan Intl

Wed 4/22

11:15 pm-10:45 am

Nonstop6h 30m

$463

PortoBoston

OPO - BOS

OPOBOS

Porto

Sat 4/18

1:45 pm-9:05 pm

1 stop12h 20m

Boston Logan Intl

Sat 4/25

10:50 pm-1:15 pm

1 stop33h 25m

$467

PortoBoston

OPO - BOS

OPOBOS

Porto

Sun 4/19

6:20 pm-3:35 pm

1 stop26h 15m

Boston Logan Intl

Sun 4/26

5:40 pm-11:10 am

1 stop12h 30m

$501

PortoBoston

OPO - BOS

OPOBOS

Porto

Thu 4/9

5:00 am-1:13 pm

1 stop13h 13m

Boston Logan Intl

Sun 5/31

9:50 pm-3:25 pm

1 stop12h 35m

$510

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Sun 4/5

11:55 am-6:30 pm

1 stop11h 35m

Boston Logan Intl

Mon 4/13

9:45 pm-2:55 pm

1 stop12h 10m

$518

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Mon 3/30

11:55 am-6:30 pm

1 stop11h 35m

Boston Logan Intl

Mon 4/6

5:10 pm-8:50 am

1 stop10h 40m

$519

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Sat 4/18

2:00 pm-9:05 pm

1 stop12h 05m

Boston Logan Intl

Sat 4/25

10:50 pm-8:30 am

1 stop28h 40m

$520

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Thu 4/16

9:15 pm-9:05 pm

1 stop28h 50m

Boston Logan Intl

Sat 4/25

10:50 pm-8:30 am

1 stop28h 40m

$524

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 Portugal to Maine

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

Other information

What is the cheapest month to fly to Maine?

The cheapest month to fly to Maine from Portugal is in March. Flight prices, which tend to average around $612, are often lower during this time because this is during the off-season. If you aren’t able to travel to Maine during the month of March, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $646.

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

The cheapest day to depart from Portugal to Maine is on a Monday. Travelers who choose to depart for Maine on a Monday will often find tickets for as low as $661. Flights from Portugal to Maine on a Sunday will generally be more expensive and average around $877. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

The cheapest time of day to fly to Maine is in the afternoon when flights can be purchased for as low as $580. Flights in the morning are often more expensive with an average ticket price of $767.

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

You are more likely to see cheaper flights to Maine from Portugal when booking weeks ahead of your departure date. In general, you can expect to find flights to Maine for around $705 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Maine from Portugal for as low as $645 on momondo.

Cheap Portugal to Maine flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portugal to Maine

Fastest flight time	5h 45m
Direct flights	Every day
Airports in Maine	49 airports

The fastest flight from Portugal to Maine takes 5h 45m

Direct flights go from Portugal to Maine every day.

There are 49 airports in Maine. From Portugal there are direct flights to Boston Logan Intl (BOS).

Search flight deals

When did momondo last update prices for flights from Portugal to Maine?
Prices for flights from Portugal to Maine were last updated today.
How many operators does momondo search for flights from Portugal to Maine?
The number of operators available for flights from Portugal to Maine is 7 as of March 2026.
How old do you have to be to fly from Portugal to Maine?
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 Portugal to Maine.
What documentation or ID do you need to fly to Maine?
The required travel and health documents for your Maine 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 Maine. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Portugal to Maine?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portugal to Maine. momondo saves you time and could save you money on your trip.

Can I find flights from Portugal to Maine with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Maine from Portugal with this policy.

How can momondo help me find flights from Portugal to Maine?

momondo provides multiple filters to help you find the best flight to Maine from Portugal. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Maine from Portugal. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.