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

72 flights are operational weekly from Portugal to Maine as of June 2026. The most popular departure day for this route is Fri, 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 7 as of June 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.

$257 Cheap Flights from Portugal to Maine in 2026

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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.

8:35 am - 9:05 pm

OPO

BOS

17h 30m

1 stop

11:35 pm - 9:20 pm

BOS

OPO

16h 45m

1 stop

$490Iberia

Thu, Sep 3 - Sun, Sep 27

8:35 am - 9:05 pm

OPO

BOS

17h 30m

1 stop

10:55 pm - 8:00 am

BOS

OPO

28h 05m

1 stop

$498Iberia

Thu, Sep 3 - Thu, Sep 24

10:00 pm - 9:05 pm

OPO

BOS

28h 05m

1 stop

11:35 pm - 9:20 pm

BOS

OPO

16h 45m

1 stop

$499Iberia

Wed, Sep 2 - Sun, Sep 27

10:00 pm - 9:05 pm

OPO

BOS

28h 05m

1 stop

10:55 pm - 8:00 am

BOS

OPO

28h 05m

1 stop

$507Iberia

Wed, Sep 2 - Thu, Sep 24

12:45 pm - 3:25 pm

LIS

BOS

7h 40mnonstop

11:25 pm - 10:45 am

BOS

LIS

6h 20mnonstop

$541Virgin Atlantic

Wed, Oct 14 - Sun, Oct 18

11:55 am - 6:30 pm

LIS

BOS

11h 35m

1 stop

7:30 pm - 3:10 pm

BOS

LIS

15h 40m

1 stop

$544Multiple Airlines

Mon, Oct 19 - Mon, Oct 26

7:15 am - 9:05 pm

OPO

BOS

18h 50m

1 stop

10:55 pm - 9:40 pm

BOS

OPO

17h 45m

1 stop

$546Multiple Airlines

Wed, Sep 2 - Wed, Sep 9

11:55 am - 6:30 pm

LIS

BOS

11h 35m

1 stop

10:40 pm - 9:00 am

BOS

LIS

6h 20mnonstop

$548KLM

Mon, Oct 19 - Mon, Oct 26

7:40 pm - 2:45 pm

PDL

BOS

23h 05m

1 stop

10:45 pm - 2:45 pm

BOS

PDL

12h 00m

1 stop

$647TAP AIR PORTUGAL

Thu, Oct 8 - Mon, Oct 12

7:25 pm - 2:40 pm

PDL

BOS

23h 15m

1 stop

10:10 pm - 11:45 pm

BOS

PDL

21h 35m

1 stop

$650TAP AIR PORTUGAL

Fri, Nov 20 - Fri, Nov 27

Delta flights from Portugal to Maine

Our best Delta deals on Portugal to Maine flight tickets

Delta

Oct 10

OPO5:00 amPorto

13h 15m

1 stop

BOS1:15 pmBoston Logan Intl

Oct 16

BOS9:45 pmBoston Logan Intl

12h 40m

1 stop

OPO3:25 pmPorto

$512

Delta

Oct 13

OPO5:00 amPorto

13h 15m

1 stop

BOS1:15 pmBoston Logan Intl

Oct 22

BOS1:10 pmBoston Logan Intl

16h 20m

1 stop

OPO10:30 amPorto

$516

Delta

Oct 14

OPO5:00 amPorto

16h 36m

1 stop

BOS4:36 pmBoston Logan Intl

Oct 23

BOS6:55 pmBoston Logan Intl

10h 45m

1 stop

OPO10:40 amPorto

$517

KLM flights from Portugal to Maine

Our best KLM deals on Portugal to Maine flight tickets

KLM

Oct 12

OPO7:55 pmPorto

22h 20m

1 stop

BOS1:15 pmBoston Logan Intl

Oct 23

BOS4:45 pmBoston Logan Intl

12h 55m

1 stop

OPO10:40 amPorto

$518

KLM

Nov 2

OPO5:40 amPorto

15h 40m

1 stop

BOS4:20 pmBoston Logan Intl

Nov 11

BOS8:55 pmBoston Logan Intl

13h 30m

1 stop

OPO3:25 pmPorto

$524

KLM

Oct 19

LIS11:55 amLisbon Humberto Delgado

11h 35m

1 stop

BOS6:30 pmBoston Logan Intl

Oct 26

BOS10:40 pmBoston Logan Intl

6h 20m

LIS9:00 amLisbon Humberto Delgado

$548

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoBoston

OPO - BOS

OPOBOS

Porto

Thu 9/3

8:35 am-9:05 pm

1 stop17h 30m

Boston Logan Intl

Sun 9/27

11:35 pm-9:20 pm

1 stop16h 45m

$490

PortoBoston

OPO - BOS

OPOBOS

Porto

Thu 9/3

8:35 am-9:05 pm

1 stop17h 30m

Boston Logan Intl

Thu 9/24

10:55 pm-8:00 am

1 stop28h 05m

$498

PortoBoston

OPO - BOS

OPOBOS

Porto

Wed 9/2

10:00 pm-9:05 pm

1 stop28h 05m

Boston Logan Intl

Sun 9/27

11:35 pm-9:20 pm

1 stop16h 45m

$499

PortoBoston

OPO - BOS

OPOBOS

Porto

Wed 9/2

10:00 pm-9:05 pm

1 stop28h 05m

Boston Logan Intl

Thu 9/24

10:55 pm-8:00 am

1 stop28h 05m

$507

Quickest round-trip

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Wed 10/14

12:45 pm-3:25 pm

Nonstop7h 40m

Boston Logan Intl

Sun 10/18

11:25 pm-10:45 am

Nonstop6h 20m

$541

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Mon 10/19

11:55 am-6:30 pm

1 stop11h 35m

Boston Logan Intl

Mon 10/26

7:30 pm-3:10 pm

1 stop15h 40m

$544

PortoBoston

OPO - BOS

OPOBOS

Porto

Wed 9/2

7:15 am-9:05 pm

1 stop18h 50m

Boston Logan Intl

Wed 9/9

10:55 pm-9:40 pm

1 stop17h 45m

$546

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Mon 10/19

11:55 am-6:30 pm

1 stop11h 35m

Boston Logan Intl

Mon 10/26

10:40 pm-9:00 am

Nonstop6h 20m

$548

Ponta DelgadaBoston

PDL - BOS

PDLBOS

Ponta Delgada Nordela

Thu 10/8

7:40 pm-2:45 pm

1 stop23h 05m

Boston Logan Intl

Mon 10/12

10:45 pm-2:45 pm

1 stop12h 00m

$647

Ponta DelgadaBoston

PDL - BOS

PDLBOS

Ponta Delgada Nordela

Fri 11/20

7:25 pm-2:40 pm

1 stop23h 15m

Boston Logan Intl

Fri 11/27

10:10 pm-11:45 pm

1 stop21h 35m

$650

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

Airlines

Other information

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

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

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 7 as of June 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.