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

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

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

79 flights are operational weekly from Portugal to Maine as of July 2026. The most popular departure day for this route is Sun, with 19% of flights per week taking off on this day.

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 6 as of July 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.

$244 Cheap Flights from Portugal to Maine in 2026

Find the cheapest flights from Portugal to Maine

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Portugal to Maine

Enter your travel dates to find the best prices.

10:00 pm - 9:45 pm

OPO

BOS

28h 45m

1 stop

11:35 pm - 8:00 am

BOS

OPO

27h 25m

1 stop

$466LEVEL

Sat, Sep 5 - Sun, Sep 13

8:40 pm - 4:10 pm

OPO

BOS

24h 30m

1 stop

6:00 pm - 7:40 am

BOS

OPO

9h 40m

1 stop

$477Multiple Airlines

Wed, Oct 21 - Wed, Oct 28

6:00 am - 8:10 pm

OPO

BOS

19h 10m

1 stop

8:05 pm - 11:25 pm

BOS

OPO

22h 20m

1 stop

$481Lufthansa

Sat, Sep 5 - Sun, Sep 13

6:00 am - 8:10 pm

OPO

BOS

19h 10m

1 stop

8:05 pm - 11:25 pm

BOS

OPO

22h 20m

1 stop

$483Lufthansa

Thu, Oct 1 - Mon, Oct 5

6:00 am - 8:10 pm

OPO

BOS

19h 10m

1 stop

8:05 pm - 11:25 pm

BOS

OPO

22h 20m

1 stop

$485Lufthansa

Sat, Sep 5 - Sun, Sep 13

10:15 am - 7:55 pm

FNC

BOS

14h 40m

1 stop

9:40 pm - 9:30 am

BOS

FNC

30h 50m

1 stop

$521SWISS

Thu, Sep 3 - Mon, Sep 7

10:15 am - 7:55 pm

FNC

BOS

14h 40m

1 stop

9:40 pm - 9:30 am

BOS

FNC

30h 50m

1 stop

$523SWISS

Thu, Sep 3 - Mon, Sep 7

11:00 am - 9:59 pm

PDL

BOS

14h 59m

1 stop

8:30 pm - 8:40 am

BOS

PDL

8h 10m

1 stop

$525Air Canada

Fri, Sep 4 - Thu, Sep 10

5:00 am - 1:25 pm

LIS

BOS

13h 25m

1 stop

9:40 pm - 9:00 am

BOS

LIS

6h 20mnonstop

$528KLM

Thu, Nov 19 - Mon, Nov 30

5:00 am - 10:37 pm

LIS

BOS

22h 37m

2 stops

5:30 am - 9:20 am

BOS

LIS

22h 50m

2 stops

$533Air Canada

Wed, Nov 25 - Tue, Dec 29

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Lufthansa flights from Portugal to Maine

Our best Lufthansa deals on Portugal to Maine flight tickets

Lufthansa

Sep 5

OPO6:00 amPorto

19h 10m

1 stop

BOS8:10 pmBoston Logan Intl

Sep 13

BOS8:05 pmBoston Logan Intl

22h 20m

1 stop

OPO11:25 pmPorto

$481

Lufthansa

Oct 1

OPO6:00 amPorto

19h 10m

1 stop

BOS8:10 pmBoston Logan Intl

Oct 5

BOS8:05 pmBoston Logan Intl

22h 20m

1 stop

OPO11:25 pmPorto

$483

Lufthansa

Sep 5

OPO6:00 amPorto

19h 10m

1 stop

BOS8:10 pmBoston Logan Intl

Sep 13

BOS8:05 pmBoston Logan Intl

22h 20m

1 stop

OPO11:25 pmPorto

$485

American Airlines flights from Portugal to Maine

Our best American Airlines deals on Portugal to Maine flight tickets

American Airlines

Sep 9

OPO12:25 pmPorto

12h 05m

1 stop

BOS7:30 pmBoston Logan Intl

Sep 14

BOS9:20 pmBoston Logan Intl

13h 40m

1 stop

OPO4:00 pmPorto

$500

American Airlines

Sep 16

OPO12:25 pmPorto

12h 05m

1 stop

BOS7:30 pmBoston Logan Intl

Sep 20

BOS1:02 pmBoston Logan Intl

13h 38m

2 stops

OPO7:40 amPorto

$517

American Airlines

Aug 2

LIS6:35 amLisbon Humberto Delgado

14h 35m

1 stop

BOS4:10 pmBoston Logan Intl

Aug 28

BOS8:05 pmBoston Logan Intl

14h 30m

1 stop

LIS3:35 pmLisbon Humberto Delgado

$814

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoBoston

OPO - BOS

OPOBOS

Porto

Sat 9/5

10:00 pm-9:45 pm

1 stop28h 45m

Boston Logan Intl

Sun 9/13

11:35 pm-8:00 am

1 stop27h 25m

$466

PortoBoston

OPO - BOS

OPOBOS

Porto

Wed 10/21

8:40 pm-4:10 pm

1 stop24h 30m

Boston Logan Intl

Wed 10/28

6:00 pm-7:40 am

1 stop9h 40m

$477

PortoBoston

OPO - BOS

OPOBOS

Porto

Sat 9/5

6:00 am-8:10 pm

1 stop19h 10m

Boston Logan Intl

Sun 9/13

8:05 pm-11:25 pm

1 stop22h 20m

$481

PortoBoston

OPO - BOS

OPOBOS

Porto

Thu 10/1

6:00 am-8:10 pm

1 stop19h 10m

Boston Logan Intl

Mon 10/5

8:05 pm-11:25 pm

1 stop22h 20m

$483

PortoBoston

OPO - BOS

OPOBOS

Porto

Sat 9/5

6:00 am-8:10 pm

1 stop19h 10m

Boston Logan Intl

Sun 9/13

8:05 pm-11:25 pm

1 stop22h 20m

$485

FunchalBoston

FNC - BOS

FNCBOS

Funchal Madeira

Thu 9/3

10:15 am-7:55 pm

1 stop14h 40m

Boston Logan Intl

Mon 9/7

9:40 pm-9:30 am

1 stop30h 50m

$521

FunchalBoston

FNC - BOS

FNCBOS

Funchal Madeira

Thu 9/3

10:15 am-7:55 pm

1 stop14h 40m

Boston Logan Intl

Mon 9/7

9:40 pm-9:30 am

1 stop30h 50m

$523

Ponta DelgadaBoston

PDL - BOS

PDLBOS

Ponta Delgada Nordela

Fri 9/4

11:00 am-9:59 pm

1 stop14h 59m

Boston Logan Intl

Thu 9/10

8:30 pm-8:40 am

1 stop8h 10m

$525

Quickest round-trip

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Thu 11/19

5:00 am-1:25 pm

1 stop13h 25m

Boston Logan Intl

Mon 11/30

9:40 pm-9:00 am

Nonstop6h 20m

$528

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Wed 11/25

5:00 am-10:37 pm

2 stops22h 37m

Boston Logan Intl

Tue 12/29

5:30 am-9:20 am

2 stops22h 50m

$533

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

Can stopping save me money on Portugal to Maine flights?

You could potentially save up to 37% on your flight if you consider stops on a Portugal to Maine flight.

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

Frequently asked questions about flying 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 6 as of July 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.