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

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 Lisbon.

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

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

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 Lisbon 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 Lisbon?

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

$739 CHEAP FLIGHTS from Maine to Lisbon

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Cheap Flights from Maine to Lisbon

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

Round-trip

Recent round-trip flight deals from Maine to Lisbon

Wed, Dec 9 - Wed, Dec 16

4:00 pm - 8:00 amPWM Portland-LIS Lisbon Humberto Delgado

11h 00m1 stop New York John F Kennedy Intl

11:30 am - 12:21 amLIS Lisbon Humberto Delgado-PWM Portland

17h 51m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$739Multiple Airlines

Wed, Dec 9 - Wed, Dec 16

4:53 pm - 3:10 pmPWM Portland-LIS Lisbon Humberto Delgado

17h 17m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

11:30 am - 12:21 amLIS Lisbon Humberto Delgado-PWM Portland

17h 51m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$742Multiple Airlines

Wed, Dec 2 - Wed, Dec 9

3:45 pm - 8:00 amBGR Bangor-LIS Lisbon Humberto Delgado

11h 15m1 stop New York John F Kennedy Intl

11:30 am - 3:05 pmLIS Lisbon Humberto Delgado-BGR Bangor

32h 35m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$748KLM

Wed, Dec 9 - Wed, Dec 16

4:00 pm - 8:00 amPWM Portland-LIS Lisbon Humberto Delgado

11h 00m1 stop New York John F Kennedy Intl

10:00 am - 12:21 amLIS Lisbon Humberto Delgado-PWM Portland

19h 21m1 stop New York John F Kennedy Intl

$749Air France

Wed, Dec 2 - Wed, Dec 9

3:45 pm - 11:20 amBGR Bangor-LIS Lisbon Humberto Delgado

14h 35m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

5:00 am - 3:05 pmLIS Lisbon Humberto Delgado-BGR Bangor

39h 05m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$752Delta

Wed, Dec 2 - Wed, Dec 9

10:39 am - 8:30 amBGR Bangor-LIS Lisbon Humberto Delgado

16h 51m1 stop Philadelphia

11:05 am - 5:49 pmLIS Lisbon Humberto Delgado-BGR Bangor

11h 44m1 stop Philadelphia

$759American Airlines

Mon, Feb 15 - Sat, Feb 27

3:13 pm - 8:10 amPWM Portland-LIS Lisbon Humberto Delgado

11h 57m1 stop Newark

5:00 am - 6:50 pmLIS Lisbon Humberto Delgado-PWM Portland

18h 50m2 stops Frankfurt am Main Newark

$778United Airlines

Sat, Jan 30 - Sun, Feb 7

7:45 pm - 8:10 amPWM Portland-LIS Lisbon Humberto Delgado

31h 25m1 stop Newark

10:40 am - 2:33 pmLIS Lisbon Humberto Delgado-PWM Portland

56h 53m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Reagan-National

$782United Airlines

Sat, Jan 30 - Sun, Feb 7

3:12 pm - 5:30 pmPWM Portland-LIS Lisbon Humberto Delgado

45h 18m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

11:30 am - 11:59 pmLIS Lisbon Humberto Delgado-PWM Portland

17h 29m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$784Delta

Sat, Jan 30 - Sat, Feb 6

3:12 pm - 5:30 pmPWM Portland-LIS Lisbon Humberto Delgado

45h 18m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

11:30 am - 4:26 pmLIS Lisbon Humberto Delgado-PWM Portland

33h 56m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$784Delta

Useful Info

Low season	January
High season	July
Cheapest flight	$739

Best time to beat the crowds with an average 31% drop in price.

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

Flight from Portland to Lisbon

How does KAYAK find such low prices on flights from Maine to Lisbon?
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 Lisbon.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Maine to Lisbon?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Lisbon 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 Lisbon?
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 Lisbon 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 Lisbon?
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 Lisbon from Maine up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.