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.

$705 CHEAP FLIGHTS from Maine to Lisbon

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Cheap Flights from Maine to Lisbon

Cheap flights from Maine to Lisbon with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Round-trip

Last minute

Tue, Dec 1 - Tue, Dec 8

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

20h 10m1 stop Newark

12:50 pm - 7:25 pmLIS Lisbon Humberto Delgado-PWM Portland

35h 35m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$705United Airlines

Tue, Dec 1 - Tue, Dec 8

7:55 pm - 6:55 amPWM Portland-LIS Lisbon Humberto Delgado

30h 00m2 stops Newark Montreal Pierre Elliott Trudeau Intl

12:50 pm - 9:29 pmLIS Lisbon Humberto Delgado-PWM Portland

37h 39m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$708United Airlines

Tue, Dec 1 - Tue, Dec 8

6:47 pm - 9:05 amPWM Portland-LIS Lisbon Humberto Delgado

9h 18m1 stop Philadelphia

11:05 am - 6:14 pmLIS Lisbon Humberto Delgado-PWM Portland

12h 09m1 stop Philadelphia

$725American Airlines

Tue, Jan 19 - Mon, Jan 25

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

20h 00m1 stop Newark

6:00 am - 11:32 pmLIS Lisbon Humberto Delgado-PWM Portland

46h 32m2 stops Munich Franz Josef Strauss Newark

$731United Airlines

Tue, Jan 19 - Mon, Jan 25

7:50 pm - 9:20 amPWM Portland-LIS Lisbon Humberto Delgado

32h 30m2 stops Newark Montreal Pierre Elliott Trudeau Intl

6:00 am - 1:34 pmLIS Lisbon Humberto Delgado-PWM Portland

60h 34m2 stops Munich Franz Josef Strauss Newark

$734United Airlines

Thu, Dec 3 - Thu, Dec 10

11:23 am - 8:10 amBGR Bangor-LIS Lisbon Humberto Delgado

15h 47m1 stop Newark

5:00 am - 10:39 amLIS Lisbon Humberto Delgado-BGR Bangor

34h 39m2 stops Frankfurt am Main Newark

$763United Airlines

Thu, Dec 3 - Thu, Dec 10

11:23 am - 10:20 amBGR Bangor-LIS Lisbon Humberto Delgado

17h 57m2 stops Newark Washington, D.C. Dulles Intl

5:00 am - 10:39 amLIS Lisbon Humberto Delgado-BGR Bangor

34h 39m2 stops Frankfurt am Main Newark

$767United Airlines

Sat, Jan 23 - Sun, Jan 31

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

31h 25m1 stop Newark

10:50 am - 6:53 pmLIS Lisbon Humberto Delgado-PWM Portland

37h 03m2 stops Toronto Pearson Intl Newark

$771United Airlines

Sat, Jan 23 - Sun, Jan 31

7:45 pm - 11:30 pmPWM Portland-LIS Lisbon Humberto Delgado

46h 45m2 stops Newark Munich Franz Josef Strauss

10:50 am - 6:53 pmLIS Lisbon Humberto Delgado-PWM Portland

37h 03m2 stops Toronto Pearson Intl Newark

$773United Airlines

Thu, Dec 3 - Thu, Dec 10

10:39 am - 9:05 amBGR Bangor-LIS Lisbon Humberto Delgado

17h 26m1 stop Philadelphia

10:25 am - 11:07 pmLIS Lisbon Humberto Delgado-BGR Bangor

17h 42m1 stop Philadelphia

$775American Airlines

Low season	January
High season	July
Cheapest flight	$705

Best time to beat the crowds with an average 32% 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.