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

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

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

57 flights are operational weekly from Portugal to Maine as of September 2026. The most popular departure day for this route is Fri, with 25% 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 September 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.

$278 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.

12:25 pm - 11:47 pmOPO Porto-BOS Boston Logan Intl

16h 22m2 stops Madrid Barajas New York John F Kennedy Intl

8:00 pm - 8:00 pmBOS Boston Logan Intl-OPO Porto

19h 00m1 stop Madrid Barajas

$472Iberia

Thu, Nov 19 - Sat, Nov 28

8:20 am - 6:25 pmOPO Porto-BOS Boston Logan Intl

15h 05m1 stop Madrid Barajas

9:30 pm - 7:15 pmBOS Boston Logan Intl-OPO Porto

16h 45m1 stop London Heathrow

$497Multiple Airlines

Thu, Nov 19 - Sat, Nov 28

5:35 pm - 8:20 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

7h 45mnonstop

6:05 pm - 5:40 amBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

6h 35mnonstop

$502TAP AIR PORTUGAL

Thu, Oct 8 - Wed, Oct 14

11:40 am - 2:40 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

8h 00mnonstop

6:00 pm - 5:35 amBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

6h 35mnonstop

$503TAP AIR PORTUGAL

Mon, Dec 21 - Sun, Jan 3

5:00 am - 1:15 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

13h 15m1 stop Amsterdam Schiphol

5:10 pm - 8:50 amBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

10h 40m1 stop Paris Charles de Gaulle

$535Delta

Thu, Oct 1 - Sat, Oct 10

5:00 am - 2:20 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

14h 20m1 stop Amsterdam Schiphol

6:20 pm - 11:25 amBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

12h 05m1 stop Paris Charles de Gaulle

$535Delta

Thu, Dec 10 - Mon, Jan 11

5:00 am - 2:20 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

14h 20m1 stop Amsterdam Schiphol

9:20 pm - 8:40 amBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

6h 20mnonstop

$538KLM

Tue, Dec 1 - Wed, Dec 30

5:00 am - 2:13 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

14h 13m1 stop Amsterdam Schiphol

9:35 pm - 9:00 amBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

6h 25mnonstop

$538KLM

Tue, Nov 24 - Fri, Dec 4

5:30 am - 4:05 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

15h 35m1 stop Paris Charles de Gaulle

9:35 pm - 9:00 amBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

6h 25mnonstop

$547Air France

Sat, Nov 21 - Sat, Dec 12

5:30 am - 6:27 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

17h 57m2 stops Paris Charles de Gaulle New York John F Kennedy Intl

6:20 pm - 3:10 pmBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

15h 50m1 stop Paris Charles de Gaulle

$549Air France

Thu, Mar 4 - Tue, Mar 9

Recent last minute flight deals from Portugal to Maine

Enter your travel dates to find the best prices.

8:25 am - 7:50 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

16h 25m1 stop Madrid Barajas

9:30 pm - 5:55 pmBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

15h 25m1 stop London Heathrow

$520American Airlines

Thu, Sep 10 - Fri, Dec 4

8:25 am - 7:50 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

16h 25m1 stop Madrid Barajas

9:30 pm - 5:55 pmBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

15h 25m1 stop London Heathrow

$521American Airlines

Thu, Sep 10 - Fri, Dec 4

11:45 pm - 8:20 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

25h 35m1 stop Porto

6:05 pm - 5:40 amBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

6h 35mnonstop

$744TAP AIR PORTUGAL

Tue, Sep 8 - Tue, Sep 22

5:00 am - 1:19 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

13h 19m1 stop Amsterdam Schiphol

9:35 pm - 9:00 amBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

6h 25mnonstop

$764Delta

Thu, Sep 10 - Fri, Dec 4

5:35 am - 1:39 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

13h 04m1 stop Paris Charles de Gaulle

9:35 pm - 9:00 amBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

6h 25mnonstop

$764Delta

Thu, Sep 10 - Fri, Dec 4

12:45 pm - 3:20 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

7h 35mnonstop

9:45 pm - 2:55 pmBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

12h 10m1 stop Paris Charles de Gaulle

$773Air France

Wed, Sep 9 - Wed, Sep 16

12:45 pm - 3:20 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

7h 35mnonstop

9:35 pm - 9:00 amBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

6h 25mnonstop

$775KLM

Thu, Sep 10 - Fri, Dec 4

12:45 pm - 3:20 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

7h 35mnonstop

9:35 pm - 9:00 amBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

6h 25mnonstop

$776KLM

Thu, Sep 10 - Fri, Dec 4

12:45 pm - 3:20 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

7h 35mnonstop

11:25 pm - 10:45 amBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

6h 20mnonstop

$781Air France

Tue, Sep 8 - Tue, Sep 22

12:00 pm - 8:20 pmOPO Porto-BOS Boston Logan Intl

13h 20m1 stop Lisbon Humberto Delgado

11:15 pm - 10:55 amBOS Boston Logan Intl-OPO Porto

6h 40mnonstop

$1,067TAP AIR PORTUGAL

Fri, Sep 11 - Sat, Sep 19

Recent direct flight deals from Portugal to Maine

Enter your travel dates to find the best prices.

5:35 pm - 8:20 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

7h 45mnonstop

6:05 pm - 5:40 amBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

6h 35mnonstop

$502TAP AIR PORTUGAL

Thu, Oct 8 - Wed, Oct 14

11:40 am - 2:40 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

8h 00mnonstop

6:00 pm - 5:35 amBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

6h 35mnonstop

$503TAP AIR PORTUGAL

Mon, Dec 21 - Sun, Jan 3

11:40 am - 2:40 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

8h 00mnonstop

10:10 pm - 9:45 amBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

6h 35mnonstop

$512JetBlue

Tue, Nov 24 - Fri, Dec 4

11:40 am - 2:40 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

8h 00mnonstop

6:00 pm - 5:35 amBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

6h 35mnonstop

$512JetBlue

Thu, Dec 3 - Wed, Dec 30

11:15 am - 1:59 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

7h 44mnonstop

9:35 pm - 9:00 amBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

6h 25mnonstop

$556KLM

Wed, Nov 25 - Tue, Dec 29

11:15 am - 1:59 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

7h 44mnonstop

9:20 pm - 8:40 amBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

6h 20mnonstop

$556KLM

Wed, Dec 2 - Wed, Dec 30

12:45 pm - 3:28 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

7h 43mnonstop

11:25 pm - 10:45 amBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

6h 20mnonstop

$556Virgin Atlantic

Sat, Oct 3 - Sat, Oct 10

12:45 pm - 3:28 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

7h 43mnonstop

11:25 pm - 10:45 amBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

6h 20mnonstop

$556Virgin Atlantic

Thu, Oct 1 - Sat, Oct 10

12:45 pm - 3:28 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

7h 43mnonstop

11:25 pm - 10:45 amBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

6h 20mnonstop

$556Air France

Fri, Oct 2 - Mon, Oct 12

12:45 pm - 3:28 pmLIS Lisbon Humberto Delgado-BOS Boston Logan Intl

7h 43mnonstop

11:25 pm - 10:45 amBOS Boston Logan Intl-LIS Lisbon Humberto Delgado

6h 20mnonstop

$556Air France

Thu, Oct 1 - Mon, Oct 12

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Azores Airlines flights from Portugal to Maine

Our best Azores Airlines deals on Portugal to Maine flight tickets

Azores Airlines

Jan 18

PDL5:50 pmPonta Delgada Nordela

6h 10m

BOS8:00 pmBoston Logan Intl

Jan 22

BOS9:25 pmBoston Logan Intl

4h 55m

PDL6:20 amPonta Delgada Nordela

$676

Azores Airlines

Oct 22

PDL6:05 pmPonta Delgada Nordela

5h 45m

BOS7:50 pmBoston Logan Intl

Oct 30

BOS10:25 pmBoston Logan Intl

4h 55m

PDL6:20 amPonta Delgada Nordela

$715

Azores Airlines

Oct 22

PDL6:05 pmPonta Delgada Nordela

5h 45m

BOS7:50 pmBoston Logan Intl

Oct 30

BOS10:25 pmBoston Logan Intl

4h 55m

PDL6:20 amPonta Delgada Nordela

$716

American Airlines flights from Portugal to Maine

Our best American Airlines deals on Portugal to Maine flight tickets

American Airlines

Nov 24

LIS6:30 amLisbon Humberto Delgado

16h 55m

1 stop

BOS6:25 pmBoston Logan Intl

Dec 30

BOS7:15 pmBoston Logan Intl

17h 30m

1 stop

LIS5:45 pmLisbon Humberto Delgado

$513

American Airlines

Nov 12

LIS6:30 amLisbon Humberto Delgado

22h 14m

2 stops

BOS11:44 pmBoston Logan Intl

Nov 15

BOS6:45 pmBoston Logan Intl

12h 20m

1 stop

LIS12:05 pmLisbon Humberto Delgado

$519

American Airlines

Sep 10

LIS8:25 amLisbon Humberto Delgado

16h 25m

1 stop

BOS7:50 pmBoston Logan Intl

Dec 4

BOS9:30 pmBoston Logan Intl

15h 25m

1 stop

LIS5:55 pmLisbon Humberto Delgado

$520

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoBoston

OPO Porto - BOS Boston Logan Intl

OPOBOS

Porto

Thu 11/19

12:25 pm-11:47 pm

2 stops16h 22m

Boston Logan Intl

Sat 11/28

8:00 pm-8:00 pm

1 stop19h 00m

$472

PortoBoston

OPO Porto - BOS Boston Logan Intl

OPOBOS

Porto

Thu 11/19

8:20 am-6:25 pm

1 stop15h 05m

Boston Logan Intl

Sat 11/28

9:30 pm-7:15 pm

1 stop16h 45m

$497

Quickest round-trip

LisbonBoston

LIS Lisbon Humberto Delgado - BOS Boston Logan Intl

LISBOS

Lisbon Humberto Delgado

Thu 10/8

5:35 pm-8:20 pm

Nonstop7h 45m

Boston Logan Intl

Wed 10/14

6:05 pm-5:40 am

Nonstop6h 35m

$502

LisbonBoston

LIS Lisbon Humberto Delgado - BOS Boston Logan Intl

LISBOS

Lisbon Humberto Delgado

Mon 12/21

11:40 am-2:40 pm

Nonstop8h 00m

Boston Logan Intl

Sun 1/3

6:00 pm-5:35 am

Nonstop6h 35m

$503

LisbonBoston

LIS Lisbon Humberto Delgado - BOS Boston Logan Intl

LISBOS

Lisbon Humberto Delgado

Thu 10/1

5:00 am-1:15 pm

1 stop13h 15m

Boston Logan Intl

Sat 10/10

5:10 pm-8:50 am

1 stop10h 40m

$535

LisbonBoston

LIS Lisbon Humberto Delgado - BOS Boston Logan Intl

LISBOS

Lisbon Humberto Delgado

Thu 12/10

5:00 am-2:20 pm

1 stop14h 20m

Boston Logan Intl

Mon 1/11

6:20 pm-11:25 am

1 stop12h 05m

$535

LisbonBoston

LIS Lisbon Humberto Delgado - BOS Boston Logan Intl

LISBOS

Lisbon Humberto Delgado

Tue 12/1

5:00 am-2:20 pm

1 stop14h 20m

Boston Logan Intl

Wed 12/30

9:20 pm-8:40 am

Nonstop6h 20m

$538

LisbonBoston

LIS Lisbon Humberto Delgado - BOS Boston Logan Intl

LISBOS

Lisbon Humberto Delgado

Tue 11/24

5:00 am-2:13 pm

1 stop14h 13m

Boston Logan Intl

Fri 12/4

9:35 pm-9:00 am

Nonstop6h 25m

$538

LisbonBoston

LIS Lisbon Humberto Delgado - BOS Boston Logan Intl

LISBOS

Lisbon Humberto Delgado

Sat 11/21

5:30 am-4:05 pm

1 stop15h 35m

Boston Logan Intl

Sat 12/12

9:35 pm-9:00 am

Nonstop6h 25m

$547

LisbonBoston

LIS Lisbon Humberto Delgado - BOS Boston Logan Intl

LISBOS

Lisbon Humberto Delgado

Thu 3/4

5:30 am-6:27 pm

2 stops17h 57m

Boston Logan Intl

Tue 3/9

6:20 pm-3:10 pm

1 stop15h 50m

$549

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 20% 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

Best Price Found	$278
Fastest flight time	5h 45m
Direct flights	Every day
Airports in Maine	49 airports

The best one-way flight to Maine from Portugal in the past 72 hours is $278. The best round-trip flight deal from Portugal to Maine found on momondo in the last 72 hours is $472.

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 September 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.