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>

$239 CHEAP FLIGHTS from Maine to Porto

OPO

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Cheap Flights from Maine to Porto

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Maine to Porto that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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, Oct 22 - Sun, Nov 9

5:05 pm - 11:25 amBOS-OPO

13h 20m1 stop

6:15 am - 6:35 pmOPO-BOS

17h 20m1 stop

$417Multiple Airlines

Find Deal

Thu, Nov 6 - Tue, Nov 11

1:30 pm - 9:30 amBOS-OPO

15h 00m1 stop

12:05 pm - 8:20 pmOPO-BOS

13h 15m1 stop

$418Multiple Airlines

Find Deal

Mon, Jan 5 - Thu, Jan 15

4:20 pm - 11:40 amBOS-OPO

14h 20m1 stop

2:05 pm - 6:35 pmOPO-BOS

33h 30m1 stop

$420Lufthansa

Find Deal

Wed, Nov 5 - Tue, Nov 18

9:50 pm - 6:35 pmBOS-OPO

15h 45m1 stop

9:10 am - 8:20 pmOPO-BOS

16h 10m2 stops

$422SWISS

Find Deal

Tue, Jan 6 - Thu, Jan 15

9:50 pm - 11:15 amBOS-OPO

32h 25m1 stop

9:10 am - 8:00 pmOPO-BOS

39h 50m2 stops

$423SWISS

Find Deal

Thu, Oct 30 - Tue, Nov 4

12:03 pm - 7:40 amBOS-OPO

15h 37m2 stops

8:20 am - 3:15 pmOPO-BOS

11h 55m1 stop

$424American Airlines

Find Deal

Thu, Nov 6 - Wed, Nov 12

5:30 am - 9:30 amBOS-OPO

23h 00m2 stops

12:35 pm - 10:34 amOPO-BOS

26h 59m2 stops

$428United Airlines

Find Deal

Thu, Nov 13 - Tue, Dec 2

9:40 am - 9:30 amBOS-OPO

18h 50m2 stops

6:00 am - 1:25 pmOPO-BOS

12h 25m1 stop

$434United Airlines

Find Deal

Mon, Nov 3 - Sun, Nov 9

8:40 pm - 12:50 pmBOS-OPO

11h 10m1 stop

6:15 am - 6:35 pmOPO-BOS

17h 20m1 stop

$443Lufthansa

Find Deal

Thu, Oct 30 - Thu, Nov 6

12:03 pm - 7:40 amBOS-OPO

15h 37m2 stops

12:25 pm - 10:47 pmOPO-BOS

15h 22m2 stops

$460American Airlines

Find Deal

Cheapest round-trip

$417

Overall average: $577

Multiple Airlines

Wed 10/22Sun 11/9

BOS - OPO • 1 stop

Cheapest non-stop

$540

Typical prices: $485-699

TAP AIR PORTUGAL

Wed 10/15Wed 10/22

BOS - OPO • Non-stop

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KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Porto!

Useful Info

Low season	February
High season	July
Cheapest flight	$239

Best time to beat the crowds with an average 21% 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

Arcos de Valdevez

Viseu

Espinho

Ponte de Lima

Caminha

Mira

Baiao

Penafiel

Santa Maria da Feira

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)

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OPO

$239 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

Everything you should know

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