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

The number of flights available between Maine and Portugal is 14 per week as of February 2026. The most frequent departure day is Mon, with 21% of weekly flights leaving on this day.

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

Prices for flights from Maine to Portugal are refreshed on a daily basis.

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

There are 22 operators available for flights from Maine to Portugal as of February 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Maine to Portugal.

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

The travel and health documents you'll need for your trip to Portugal may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portugal. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$201 Cheap Flights from Maine to Portugal in 2026

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Find the cheapest flights from Maine to Portugal

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:11 am - 9:30 am

BOS

OPO

20h 19m

1 stop

12:35 pm - 5:19 pm

OPO

BOS

32h 44m

1 stop

$364United Airlines

Sun, Mar 1 - Tue, Mar 10

10:45 pm - 3:30 pm

BOS

OPO

11h 45m

1 stop

10:35 pm - 2:40 pm

OPO

BOS

21h 05m

1 stop

$365TAP AIR PORTUGAL

Sun, Mar 29 - Mon, Apr 6

8:40 pm - 1:15 pm

BOS

OPO

11h 35m

1 stop

6:00 am - 6:35 pm

OPO

BOS

17h 35m

2 stops

$366Lufthansa

Wed, Feb 18 - Wed, Mar 4

10:50 pm - 6:30 pm

BOS

OPO

15h 40m

1 stop

6:00 am - 2:10 pm

OPO

BOS

12h 10m

1 stop

$367Multiple Airlines

Tue, Mar 10 - Tue, Mar 17

8:40 pm - 1:15 pm

BOS

OPO

11h 35m

1 stop

6:00 am - 6:35 pm

OPO

BOS

17h 35m

2 stops

$368Lufthansa

Wed, Feb 18 - Wed, Mar 4

9:50 pm - 11:10 am

BOS

OPO

32h 20m

1 stop

12:05 pm - 8:20 pm

OPO

BOS

13h 15m

1 stop

$370SWISS

Wed, Feb 18 - Tue, Mar 3

10:50 pm - 6:30 pm

BOS

OPO

15h 40m

1 stop

12:05 pm - 9:20 pm

OPO

BOS

13h 15m

1 stop

$371SWISS

Tue, Mar 10 - Thu, Mar 19

6:55 pm - 6:30 pm

BOS

OPO

42h 35m

2 stops

7:25 pm - 9:20 pm

OPO

BOS

29h 55m

1 stop

$373Multiple Airlines

Sat, Feb 28 - Tue, Mar 10

11:34 am - 7:40 am

BOS

OPO

15h 06m

2 stops

12:25 pm - 8:50 pm

OPO

BOS

12h 25m

1 stop

$374Iberia

Wed, Mar 4 - Wed, Mar 11

4:45 pm - 6:05 pm

BOS

LIS

20h 20m

1 stop

12:30 pm - 8:50 pm

LIS

BOS

12h 20m

1 stop

$508Iberia

Sun, Mar 1 - Wed, Mar 11

Scandinavian Airlines flights from Maine to Portugal

Our best Scandinavian Airlines deals on Maine to Portugal flight tickets

Scandinavian Airlines

Apr 24

BOS5:40 pmBoston Logan Intl

16h 40m

1 stop

FNC3:20 pmFunchal Madeira

May 2

FNC4:10 pmFunchal Madeira

28h 25m

1 stop

BOS3:35 pmBoston Logan Intl

$451

Scandinavian Airlines

May 5

BOS5:40 pmBoston Logan Intl

16h 55m

1 stop

LIS3:35 pmLisbon Humberto Delgado

May 12

LIS4:25 pmLisbon Humberto Delgado

28h 10m

1 stop

BOS3:35 pmBoston Logan Intl

$512

Scandinavian Airlines

Feb 10

BOS5:35 pmBoston Logan Intl

17h 30m

1 stop

LIS4:05 pmLisbon Humberto Delgado

Feb 16

LIS4:55 pmLisbon Humberto Delgado

27h 55m

1 stop

BOS3:50 pmBoston Logan Intl

$582

KLM flights from Maine to Portugal

Our best KLM deals on Maine to Portugal flight tickets

KLM

Jul 20

BOS5:00 pmBoston Logan Intl

12h 30m

1 stop

OPO10:30 amPorto

Sep 1

OPO12:25 pmPorto

23h 57m

1 stop

BOS7:22 amBoston Logan Intl

$418

KLM

Feb 18

BOS7:10 pmBoston Logan Intl

32h 15m

1 stop

FAO8:25 amFaro

Mar 10

FAO7:45 pmFaro

22h 35m

1 stop

BOS2:20 pmBoston Logan Intl

$459

KLM

Mar 2

BOS7:10 pmBoston Logan Intl

33h 20m

1 stop

FAO9:30 amFaro

Mar 17

FAO7:45 pmFaro

25h 30m

2 stops

BOS5:15 pmBoston Logan Intl

$463

Fly from

Fly to

Route

Depart

Return

Price

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 3/1

8:11 am-9:30 am

1 stop20h 19m

Porto

Tue 3/10

12:35 pm-5:19 pm

1 stop32h 44m

$364

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 3/29

10:45 pm-3:30 pm

1 stop11h 45m

Porto

Mon 4/6

10:35 pm-2:40 pm

1 stop21h 05m

$365

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 2/18

8:40 pm-1:15 pm

1 stop11h 35m

Porto

Wed 3/4

6:00 am-6:35 pm

2 stops17h 35m

$366

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 3/10

10:50 pm-6:30 pm

1 stop15h 40m

Porto

Tue 3/17

6:00 am-2:10 pm

1 stop12h 10m

$367

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 2/18

8:40 pm-1:15 pm

1 stop11h 35m

Porto

Wed 3/4

6:00 am-6:35 pm

2 stops17h 35m

$368

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 2/18

9:50 pm-11:10 am

1 stop32h 20m

Porto

Tue 3/3

12:05 pm-8:20 pm

1 stop13h 15m

$370

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 3/10

10:50 pm-6:30 pm

1 stop15h 40m

Porto

Thu 3/19

12:05 pm-9:20 pm

1 stop13h 15m

$371

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sat 2/28

6:55 pm-6:30 pm

2 stops42h 35m

Porto

Tue 3/10

7:25 pm-9:20 pm

1 stop29h 55m

$373

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 3/4

11:34 am-7:40 am

2 stops15h 06m

Porto

Wed 3/11

12:25 pm-8:50 pm

1 stop12h 25m

$374

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 3/1

4:45 pm-6:05 pm

1 stop20h 20m

Lisbon Humberto Delgado

Wed 3/11

12:30 pm-8:50 pm

1 stop12h 20m

$508

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 Maine 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

Airlines

Other information

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

TAP AIR PORTUGAL, SWISS, and KLM are the most popular carriers operating from Maine to Portugal

Cheap Maine to Portugal flight deals and tips

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

Fastest flight time	4h 55m
Direct flights	Every day
Airports in Portugal	99 airports

The fastest flight from Maine to Portugal takes 4h 55m

Direct flights go from Maine to Portugal every day.

There are 99 airports in Portugal. From Maine there are direct flights to Lajes (TER), Ponta Delgada Nordela (PDL).

Search flight deals

When did momondo last update prices for flights from Maine to Portugal?
Prices for flights from Maine to Portugal are refreshed on a daily basis.
How many operators does momondo search for flights from Maine to Portugal?
There are 22 operators available for flights from Maine to Portugal as of February 2026.
How old do you have to be to fly from Maine to Portugal?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Maine to Portugal.
What documentation or ID do you need to fly to Portugal?
The travel and health documents you'll need for your trip to Portugal may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portugal. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Maine to Portugal

Compare and see reviews for airlines that fly from Maine to Portugal with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $578	Free Cancellation	Rating 7.4 9,229 reviews		Search United Airlines flights

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Portugal from Maine which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Maine to Portugal flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Portugal from Maine are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.