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

77 flights are operational weekly from Portugal to Maine as of April 2026. The most popular departure day for this route is Mon, with 17% 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 April 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.

$279 Cheap Flights from Portugal to Maine in 2026

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

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 - 9:05 pm

OPO

BOS

28h 05m

1 stop

10:50 pm - 4:10 pm

BOS

OPO

12h 20m

1 stop

$478Iberia

Fri, May 22 - Tue, May 26

10:00 pm - 9:05 pm

OPO

BOS

28h 05m

1 stop

10:50 pm - 9:20 pm

BOS

OPO

17h 30m

1 stop

$479Iberia

Fri, May 22 - Tue, May 26

5:00 am - 1:10 pm

OPO

BOS

13h 10m

1 stop

8:25 pm - 6:10 pm

BOS

OPO

16h 45m

1 stop

$523KLM

Tue, May 5 - Mon, May 11

8:35 am - 9:05 pm

OPO

BOS

17h 30m

1 stop

10:50 pm - 4:10 pm

BOS

OPO

12h 20m

1 stop

$532Iberia

Fri, May 22 - Tue, May 26

5:00 am - 6:30 pm

OPO

BOS

18h 30m

1 stop

4:35 pm - 10:40 am

BOS

OPO

13h 05m

1 stop

$536KLM

Mon, May 4 - Mon, May 11

12:45 pm - 3:21 pm

LIS

BOS

7h 36mnonstop

11:25 pm - 10:45 am

BOS

LIS

6h 20mnonstop

$547Delta

Thu, Apr 30 - Wed, May 6

12:45 pm - 3:21 pm

LIS

BOS

7h 36mnonstop

11:25 pm - 10:45 am

BOS

LIS

6h 20mnonstop

$548Virgin Atlantic

Thu, Apr 30 - Wed, May 6

10:10 pm - 9:05 pm

LIS

BOS

27h 55m

1 stop

10:50 pm - 5:10 pm

BOS

LIS

13h 20m

1 stop

$553LEVEL

Fri, May 22 - Sat, May 30

1:45 pm - 9:05 pm

OPO

BOS

12h 20m

1 stop

10:50 pm - 4:10 pm

BOS

OPO

12h 20m

1 stop

$632LEVEL

Sat, May 16 - Sat, May 23

5:35 am - 12:46 am

LIS

PWM

24h 11m

2 stops

2:38 pm - 8:00 am

PWM

LIS

12h 22m

1 stop

$1,146Delta

Sun, May 3 - Thu, May 7

Iberia flights from Portugal to Maine

Our best Iberia deals on Portugal to Maine flight tickets

Iberia

May 22

OPO10:00 pmPorto

28h 05m

1 stop

BOS9:05 pmBoston Logan Intl

May 26

BOS10:50 pmBoston Logan Intl

12h 20m

1 stop

OPO4:10 pmPorto

$478

Iberia

May 22

OPO10:00 pmPorto

28h 05m

1 stop

BOS9:05 pmBoston Logan Intl

May 26

BOS10:50 pmBoston Logan Intl

17h 30m

1 stop

OPO9:20 pmPorto

$479

Iberia

May 22

OPO8:35 amPorto

17h 30m

1 stop

BOS9:05 pmBoston Logan Intl

May 26

BOS10:50 pmBoston Logan Intl

12h 20m

1 stop

OPO4:10 pmPorto

$532

KLM flights from Portugal to Maine

Our best KLM deals on Portugal to Maine flight tickets

KLM

May 5

OPO5:00 amPorto

13h 10m

1 stop

BOS1:10 pmBoston Logan Intl

May 11

BOS8:25 pmBoston Logan Intl

16h 45m

1 stop

OPO6:10 pmPorto

$523

KLM

May 4

OPO5:00 amPorto

18h 30m

1 stop

BOS6:30 pmBoston Logan Intl

May 11

BOS4:35 pmBoston Logan Intl

13h 05m

1 stop

OPO10:40 amPorto

$536

KLM

Apr 23

LIS12:45 pmLisbon Humberto Delgado

7h 36m

BOS3:21 pmBoston Logan Intl

Apr 29

BOS8:25 pmBoston Logan Intl

13h 10m

1 stop

LIS2:35 pmLisbon Humberto Delgado

$549

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoBoston

OPO - BOS

OPOBOS

Porto

Fri 5/22

10:00 pm-9:05 pm

1 stop28h 05m

Boston Logan Intl

Tue 5/26

10:50 pm-4:10 pm

1 stop12h 20m

$478

PortoBoston

OPO - BOS

OPOBOS

Porto

Fri 5/22

10:00 pm-9:05 pm

1 stop28h 05m

Boston Logan Intl

Tue 5/26

10:50 pm-9:20 pm

1 stop17h 30m

$479

PortoBoston

OPO - BOS

OPOBOS

Porto

Tue 5/5

5:00 am-1:10 pm

1 stop13h 10m

Boston Logan Intl

Mon 5/11

8:25 pm-6:10 pm

1 stop16h 45m

$523

PortoBoston

OPO - BOS

OPOBOS

Porto

Fri 5/22

8:35 am-9:05 pm

1 stop17h 30m

Boston Logan Intl

Tue 5/26

10:50 pm-4:10 pm

1 stop12h 20m

$532

PortoBoston

OPO - BOS

OPOBOS

Porto

Mon 5/4

5:00 am-6:30 pm

1 stop18h 30m

Boston Logan Intl

Mon 5/11

4:35 pm-10:40 am

1 stop13h 05m

$536

Quickest round-trip

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Thu 4/30

12:45 pm-3:21 pm

Nonstop7h 36m

Boston Logan Intl

Wed 5/6

11:25 pm-10:45 am

Nonstop6h 20m

$547

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Thu 4/30

12:45 pm-3:21 pm

Nonstop7h 36m

Boston Logan Intl

Wed 5/6

11:25 pm-10:45 am

Nonstop6h 20m

$548

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Fri 5/22

10:10 pm-9:05 pm

1 stop27h 55m

Boston Logan Intl

Sat 5/30

10:50 pm-5:10 pm

1 stop13h 20m

$553

PortoBoston

OPO - BOS

OPOBOS

Porto

Sat 5/16

1:45 pm-9:05 pm

1 stop12h 20m

Boston Logan Intl

Sat 5/23

10:50 pm-4:10 pm

1 stop12h 20m

$632

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Sun 5/3

5:35 am-12:46 am

2 stops24h 11m

Portland

Thu 5/7

2:38 pm-8:00 am

1 stop12h 22m

$1,146

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?

Azores Airlines, TAP AIR PORTUGAL, and British Airways 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	Mon, Tue, Thu, Fri, Sat and Sun
Airports in Maine	49 airports

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

Direct flights go from Portugal to Maine on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

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 April 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.