How does KAYAK find such low prices on flights from Portugal to Maine?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portugal to Maine. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portugal to Maine?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Portugal to Maine is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Portugal to Maine?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Portugal to Maine with an airline and back with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portugal to Maine?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Portugal to Maine up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$177 CHEAP FLIGHTS from Portugal to Maine

KAYAK searches hundreds of travel sites at once for deals on flights to Maine

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 20% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Useful Info

KAYAK's insights & trends for flights to Maine

Get data-powered insights and trends for flights to Maine to help you find the cheapest flights, the best time to fly and much more.

How long is the flight to Maine?

An average nonstop flight from Portugal to Maine takes 14h 53m, covering a distance of 2964 miles. The shortest route is Ponta Delgada (PDL) to Boston (BOS) with an average flight time of 5h 45m.

What are the most popular destinations in Maine?

Based on KAYAK flight searches, the most popular destination is Boston (99% of total searches to Maine). The next most popular destination is Portland (1%).

Find deals

Low season	January
High season	August
Cheapest flight	$177

Best time to beat the crowds with an average 11% drop in price.

Most popular time to fly with an average 22% increase in price.

Flight from Lisbon to Boston

How does KAYAK find such low prices on flights from Portugal to Maine?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portugal to Maine.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portugal to Maine?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Portugal to Maine is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Portugal to Maine?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Portugal to Maine with an airline and back with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portugal to Maine?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Portugal to Maine up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Book cheap flights from Portugal to Maine

Recent round-trip flight deals

These are the cheapest round-trip flights to Maine found on KAYAK in the last 72 hours.

11/5Wed

1 stop

28h 50mLIS-BOS

11/17Mon

1 stop

33h 40mBOS-LIS

$354

11/5Wed

1 stop

28h 50mLIS-BOS

11/15Sat

1 stop

16h 45mBOS-LIS

$364

9/10Wed

nonstopTAP AIR PORTUGAL

7h 35mOPO-BOS

9/17Wed

nonstopTAP AIR PORTUGAL

6h 40mBOS-OPO

$457

9/10Wed

nonstopTAP AIR PORTUGAL

7h 35mOPO-BOS

9/17Wed

1 stopTAP AIR PORTUGAL

9h 50mBOS-OPO

$479

11/7Fri

1 stopIberia

13h 45mLIS-BOS

11/15Sat

1 stopIberia

16h 45mBOS-LIS

$509

8/27Wed

1 stopDelta

13h 00mLIS-BOS

9/17Wed

1 stopDelta

12h 55mBOS-LIS

$520

9/14Sun

1 stopDelta

13h 10mLIS-BOS

10/25Sat

1 stopDelta

11h 00mBOS-LIS

$524

9/11Thu

1 stopBritish Airways

16h 35mOPO-BOS

9/25Thu

2 stopsBritish Airways

22h 50mBOS-OPO

$527

10/28Tue

1 stopBritish Airways

13h 55mLIS-BOS

11/5Wed

1 stopBritish Airways

14h 45mBOS-LIS

$534

10/28Tue

2 stopsIberia

15h 49mLIS-BOS

11/5Wed

1 stopIberia

15h 45mBOS-LIS

$558

Recent one-way flight deals

Only flying one-way? Below are some of the best deals for one-way flights to Maine found on KAYAK in the last 72 hours.

9/30Tue

1 stop

28h 10mLIS-BOS

$177

9/25Thu

1 stopIberia

28h 05mLIS-BOS

$189

10/15Wed

1 stopVueling

28h 15mOPO-BOS

$236

10/22Wed

1 stopVueling

28h 05mLIS-BOS

$238

10/28Tue

nonstopAzores Airlines

6h 10mPDL-BOS

$287

11/13Thu

nonstopAzores Airlines

6h 10mPDL-BOS

$313

11/13Thu

1 stopTAP AIR PORTUGAL

17h 30mPDL-BOS

$343

11/30Sun

1 stopTAP AIR PORTUGAL

14h 40mPDL-BOS

$355

7/15Tue

1 stopPLAY

25h 45mOPO-BOS

$503

7/15Tue

1 stopPLAY

25h 45mOPO-BOS

$512

Last minute flights to Maine

Last minute flight, train and bus deals

These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights to Maine that are departing in the next 10 days.

6/19Thu

multi-stopAir France

13h 10mLIS-BOS

6/23Mon

multi-stopAir France

10h 30mBOS-LIS

$682

6/21Sat

multi-stopAir France

13h 10mLIS-BOS

7/21Mon

multi-stopAir France

10h 30mBOS-LIS

$683

6/19Thu

multi-stopAmerican Airlines

16h 25mLIS-BOS

6/24Tue

multi-stopAmerican Airlines

18h 55mBOS-LIS

$684

6/21Sat

multi-stop

13h 30mLIS-BOS

7/20Sun

nonstop

6h 20mBOS-LIS

$687

6/20Fri

multi-stopAmerican Airlines

14h 49mLIS-BOS

6/24Tue

multi-stopAmerican Airlines

18h 55mBOS-LIS

$690

6/19Thu

multi-stopKLM

23h 00mLIS-BOS

6/22Sun

multi-stopKLM

13h 20mBOS-LIS

$695

6/23Mon

multi-stop

28h 50mOPO-BOS

6/30Mon

multi-stop

31h 45mBOS-OPO

$697

6/21Sat

nonstopTAP AIR PORTUGAL

7h 40mOPO-BOS

6/30Mon

nonstopTAP AIR PORTUGAL

6h 40mBOS-OPO

$740

6/21Sat

nonstopTAP AIR PORTUGAL

7h 40mOPO-BOS

6/30Mon

multi-stopTAP AIR PORTUGAL

11h 20mBOS-OPO

$756

6/20Fri

multi-stopKLM

16h 00mOPO-BOS

6/29Sun

multi-stopKLM

12h 10mBOS-OPO

$876

Everything you need to know for your flight to Maine

Cabin class

Complete your trip

Flights to other cities

Origins

Popular routes

Return flight deals

Cabin class types available on flights to Maine

First Class flights to Maine

Business Class flights to Maine

Prem Econ Class flights to Maine

Economy Class flights to Maine

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

$177 Find Cheap Flights from Portugal to Maine

KAYAK searches hundreds of travel sites at once for deals on flights to Maine

KAYAK's insights & trends for flights to Maine

Get data-powered insights and trends for flights to Maine to help you find the cheapest flights, the best time to fly and much more.

How long is the flight to Maine?

An average nonstop flight from Portugal to Maine takes 14h 53m, covering a distance of 2964 miles. The shortest route is Ponta Delgada (PDL) to Boston (BOS) with an average flight time of 5h 45m.

What are the most popular destinations in Maine?

Based on KAYAK flight searches, the most popular destination is Boston (99% of total searches to Maine). The next most popular destination is Portland (1%).

Good to know

FAQs for booking flights from Portugal to Maine

How does KAYAK find such low prices on flights from Portugal to Maine?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portugal to Maine.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portugal to Maine?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Portugal to Maine is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Portugal to Maine?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Portugal to Maine with an airline and back with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portugal to Maine?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Portugal to Maine up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Book cheap flights from Portugal to Maine

Recent round-trip flight deals

Search by stops

Search by airline

Search by price

Recent one-way flight deals

Search by stops

Search by airline

Search by price

Last minute flights to Maine

Last minute flight, train and bus deals

Search by stops

Search by airline

Search by price

Everything you need to know for your flight to Maine

Cabin class types available on flights to Maine

Complete your trip to Maine with a hotel stay or car rental

Flights to other popular destinations

Flights from domestic origins to Maine

Flights to popular cities in Maine

Find deals for your return flight