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

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 Maine to Porto. 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 Maine to Porto?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from 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 Maine to Porto?

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 to Porto with an airline and back to Maine 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 Maine to Porto?

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 to Porto from 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>

$296 CHEAP FLIGHTS from Maine to Porto

OPO

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Cheap Flights from Maine to Porto

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Maine to Porto

Wed, Aug 26 - Wed, Sep 9

11:15 pm - 10:45 am

BOS

OPO

6h 30mnonstop

9:00 am - 2:45 pm

OPO

BOS

10h 45m

1 stop

$426TAP AIR PORTUGAL

Mon, May 4 - Thu, May 14

6:05 pm - 10:00 am

BOS

OPO

10h 55m

1 stop

12:35 pm - 8:20 pm

OPO

BOS

12h 45m

1 stop

$442TAP AIR PORTUGAL

Mon, Apr 27 - Tue, May 5

10:45 pm - 5:00 pm

BOS

OPO

13h 15m

1 stop

9:00 am - 2:45 pm

OPO

BOS

10h 45m

1 stop

$443TAP AIR PORTUGAL

Sun, Mar 29 - Fri, Apr 10

10:40 pm - 3:00 pm

BOS

OPO

11h 20m

1 stop

5:05 am - 8:20 pm

OPO

BOS

20h 15m

1 stop

$448TAP AIR PORTUGAL

Mon, May 4 - Mon, May 11

10:45 pm - 10:55 pm

BOS

OPO

19h 10m

1 stop

6:00 pm - 8:20 pm

OPO

BOS

31h 20m

1 stop

$450TAP AIR PORTUGAL

Fri, May 15 - Sun, Jun 14

6:00 am - 3:40 pm

PWM

OPO

28h 40m

2 stops

10:45 am - 11:57 pm

OPO

PWM

42h 12m

2 stops

$748Turkish Airlines

Tue, May 12 - Tue, Jun 16

6:00 am - 9:45 am

PWM

OPO

22h 45m

2 stops

10:40 am - 1:29 pm

OPO

PWM

31h 49m

2 stops

$809Turkish Airlines

Tue, Apr 7 - Thu, Apr 23

7:12 pm - 9:45 am

PWM

OPO

9h 33m

1 stop

6:00 am - 9:40 pm

OPO

PWM

20h 40m

2 stops

$817United Airlines

Tue, Apr 7 - Thu, Apr 23

6:04 am - 9:45 am

PWM

OPO

22h 41m

2 stops

6:00 am - 9:40 pm

OPO

PWM

20h 40m

2 stops

$822United Airlines

Wed, May 13 - Thu, Jun 11

2:38 pm - 10:00 pm

PWM

OPO

26h 22m

2 stops

5:00 am - 11:59 pm

OPO

PWM

23h 59m

2 stops

$921Delta

Useful Info

Low season	January
High season	July
Cheapest flight	$296

Best time to beat the crowds with an average 23% drop in price.

Most popular time to fly with an average 25% increase in price.

Flight from Boston to Porto

How does KAYAK find such low prices on flights from Maine to Porto?
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 Maine to Porto.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Maine to Porto?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from 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 Maine to Porto?
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 to Porto with an airline and back to Maine with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Maine to Porto?
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 to Porto from Maine up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Lamego

Guimarães

Chaves

Pinhao

Esposende

Viseu

Arcos de Valdevez

Espinho

Ponte de Lima

Baiao

Santa Maria da Feira

Caminha

Mira

Penafiel

Amares

Curia

Everything you need to know for your flight to Porto

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Information on the airport you'll fly into in Porto

Porto (OPO)

OPO

$296 Find Cheap Flights from Maine to Porto

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

Cheap Flights from Maine to Porto

Recent round-trip flight deals from Maine to Porto

Recent one-way flight deals from Maine to Porto

Recent last minute flight deals from Maine to Porto

Recent direct flight deals from Maine to Porto

Good to know

FAQs for booking flights from Maine to Porto

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

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 Maine to Porto.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from 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 Maine to Porto?

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 to Porto with an airline and back to Maine with another airline.

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

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 to Porto from Maine up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Porto?

Everything you need to know for your flight to Porto

Information on the airport you'll fly into in Porto

Cabin class types available on flights to Maine

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

Find direct flights for Porto

Flights to other popular destinations

Flights from domestic origins to Porto

Choose which airport to fly into in Porto