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>

$236 CHEAP FLIGHTS from Maine to Porto

OPO

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Flights Deals

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.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Maine to Porto

KAYAK's recommended round-trip deals from the most popular airlines that fly from Maine to Porto.

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

9:20 pm - 11:40 amBOS-OPO

9h 20m1 stop

8:15 am - 3:00 pmOPO-BOS

11h 45m1 stop

$435Iberia

Find Deal

Wed, Aug 20 - Wed, Sep 10

11:00 pm - 4:15 pmBOS-OPO

12h 15m1 stop

12:20 pm - 7:50 pmOPO-BOS

12h 30m1 stop

$453Iberia

Find Deal

Tue, Jul 1 - Thu, Aug 28

9:20 pm - 11:40 amBOS-OPO

9h 20m1 stop

12:20 pm - 3:00 pmOPO-BOS

31h 40m1 stop

$464American Airlines

Find Deal

Tue, Oct 7 - Mon, Oct 13

9:20 pm - 11:40 amBOS-OPO

9h 20m1 stop

9:10 pm - 10:58 pmOPO-BOS

30h 48m2 stops

$474British Airways

Find Deal

Wed, Aug 6 - Mon, Aug 25

1:43 pm - 11:40 amBOS-OPO

16h 57m2 stops

8:20 am - 4:15 pmOPO-BOS

11h 55m1 stop

$478American Airlines

Find Deal

Tue, Oct 14 - Tue, Oct 28

7:13 am - 11:40 amBOS-OPO

23h 27m2 stops

8:15 am - 7:50 pmOPO-BOS

16h 35m1 stop

$486British Airways

Find Deal

Tue, Jul 1 - Thu, Aug 28

6:10 pm - 9:00 amBOS-OPO

9h 50m1 stop

6:10 pm - 8:45 pmOPO-BOS

7h 35mnonstop

$503TAP AIR PORTUGAL

Find Deal

Wed, Sep 24 - Wed, Oct 8

5:40 pm - 11:00 amBOS-OPO

12h 20m1 stop

11:50 am - 3:35 pmOPO-BOS

32h 45m1 stop

$516Scandinavian Airlines

Find Deal

Tue, Aug 26 - Wed, Sep 10

11:15 pm - 10:55 amBOS-OPO

6h 40mnonstop

6:10 pm - 8:45 pmOPO-BOS

7h 35mnonstop

$522TAP AIR PORTUGAL

Find Deal

Mon, Sep 22 - Wed, Oct 8

5:40 pm - 11:00 amBOS-OPO

12h 20m1 stop

5:55 pm - 3:35 pmOPO-BOS

26h 40m1 stop

$621Scandinavian Airlines

Find Deal

Tue, Aug 12 - Fri, Aug 22

Useful Info

Low season	February
High season	July
Cheapest flight	$236

Best time to beat the crowds with an average 24% drop in price.

Most popular time to fly with an average 26% 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

Pinhao

Viseu

Esposende

Ponte de Lima

Arcos de Valdevez

Baiao

Santa Maria da Feira

Amares

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

$236 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