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.

$334 CHEAP FLIGHTS from Maine to Lisbon

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Flight Deals

Cheap Flights from Maine to Lisbon

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

Round-trip

One-way

Recent round-trip flight deals from Maine to Lisbon

Mon, Dec 7 - Mon, Dec 14

6:00 am - 8:00 amPWM Portland-LIS Lisbon Humberto Delgado

21h 00m1 stop New York John F Kennedy Intl

3:35 pm - 12:21 amLIS Lisbon Humberto Delgado-PWM Portland

37h 46m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$735KLM

Mon, Feb 22 - Thu, Feb 25

8:42 am - 8:10 amPWM Portland-LIS Lisbon Humberto Delgado

18h 28m1 stop Newark

10:15 am - 11:25 pmLIS Lisbon Humberto Delgado-PWM Portland

18h 10m1 stop Newark

$742United Airlines

Mon, Dec 7 - Mon, Dec 14

12:49 pm - 2:40 pmPWM Portland-LIS Lisbon Humberto Delgado

20h 51m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

3:35 pm - 12:21 amLIS Lisbon Humberto Delgado-PWM Portland

37h 46m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$742KLM

Mon, Feb 22 - Thu, Feb 25

9:30 am - 8:10 amPWM Portland-LIS Lisbon Humberto Delgado

17h 40m2 stops Washington, D.C. Dulles Intl Newark

10:15 am - 9:29 pmLIS Lisbon Humberto Delgado-PWM Portland

16h 14m1 stop Newark

$746United Airlines

Sun, Mar 7 - Sun, Mar 14

2:35 pm - 8:00 amPWM Portland-LIS Lisbon Humberto Delgado

12h 25m1 stop New York John F Kennedy Intl

11:30 am - 11:49 pmLIS Lisbon Humberto Delgado-PWM Portland

16h 19m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$781KLM

Sun, Mar 7 - Sun, Mar 14

4:50 pm - 3:10 pmPWM Portland-LIS Lisbon Humberto Delgado

17h 20m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

5:00 am - 10:49 pmLIS Lisbon Humberto Delgado-PWM Portland

22h 49m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$784Multiple Airlines

Mon, Dec 7 - Mon, Dec 14

2:15 pm - 10:20 amPWM Portland-LIS Lisbon Humberto Delgado

15h 05m1 stop Washington, D.C. Dulles Intl

10:15 am - 7:25 pmLIS Lisbon Humberto Delgado-PWM Portland

14h 10m1 stop Newark

$794United Airlines

Thu, Dec 3 - Thu, Dec 10

7:00 am - 8:10 amPWM Portland-LIS Lisbon Humberto Delgado

20h 10m1 stop Newark

5:00 am - 7:25 pmLIS Lisbon Humberto Delgado-PWM Portland

19h 25m2 stops Frankfurt am Main Newark

$797United Airlines

Thu, Dec 3 - Thu, Dec 10

9:51 am - 8:10 amPWM Portland-LIS Lisbon Humberto Delgado

17h 19m2 stops Chicago O'Hare Intl Newark

5:00 am - 7:25 pmLIS Lisbon Humberto Delgado-PWM Portland

19h 25m2 stops Frankfurt am Main Newark

$801United Airlines

Thu, Dec 3 - Thu, Dec 10

9:38 am - 10:20 amPWM Portland-LIS Lisbon Humberto Delgado

19h 42m1 stop Washington, D.C. Dulles Intl

10:15 am - 11:24 pmLIS Lisbon Humberto Delgado-PWM Portland

18h 09m1 stop Newark

$809United Airlines

Useful Info

Low season	January
High season	July

Best time to beat the crowds with an average 29% drop in price.

Most popular time to fly with an average 24% increase in price.

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.