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

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 Shannon.

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

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

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 Shannon 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 Shannon?

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

$944 CHEAP FLIGHTS from Maine to Shannon

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Cheap Flights from Maine to Shannon

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

Round-trip

Last minute

Recent round-trip flight deals from Maine to Shannon

Tue, Oct 27 - Tue, Nov 3

4:54 pm - 11:30 amPWM Portland-SNN Shannon

14h 36m2 stops Philadelphia London Heathrow

2:00 pm - 11:58 amSNN Shannon-PWM Portland

26h 58m2 stops Boston Logan Intl Chicago O'Hare Intl

$944American Airlines

Tue, Oct 27 - Tue, Nov 3

6:30 am - 6:10 amPWM Portland-SNN Shannon

19h 40m1 stop New York John F Kennedy Intl

2:40 pm - 11:43 pmSNN Shannon-PWM Portland

14h 03m1 stop New York John F Kennedy Intl

$951Multiple Airlines

Tue, Oct 27 - Tue, Nov 3

4:54 pm - 11:30 amPWM Portland-SNN Shannon

14h 36m2 stops Philadelphia London Heathrow

2:40 pm - 11:43 pmSNN Shannon-PWM Portland

14h 03m1 stop New York John F Kennedy Intl

$957Multiple Airlines

Tue, Oct 27 - Tue, Nov 3

10:50 am - 11:30 amPWM Portland-SNN Shannon

20h 40m3 stops Newark Toronto Pearson Intl London Heathrow

7:50 am - 11:21 pmSNN Shannon-PWM Portland

20h 31m3 stops London Heathrow Toronto Pearson Intl Newark

$960Air Canada

Fri, Nov 13 - Fri, Nov 20

11:07 am - 11:30 amPWM Portland-SNN Shannon

19h 23m2 stops Philadelphia London Heathrow

2:00 pm - 9:48 amSNN Shannon-PWM Portland

24h 48m2 stops Boston Logan Intl Washington, D.C. Reagan-National

$985British Airways

Fri, Nov 13 - Fri, Nov 20

6:30 am - 6:10 amPWM Portland-SNN Shannon

18h 40m1 stop New York John F Kennedy Intl

2:00 pm - 9:48 amSNN Shannon-PWM Portland

24h 48m2 stops Boston Logan Intl Washington, D.C. Reagan-National

$1,034Multiple Airlines

Sat, Oct 31 - Sat, Nov 7

9:00 am - 5:50 amPWM Portland-SNN Shannon

16h 50m2 stops Philadelphia Boston Logan Intl

2:40 pm - 11:53 amSNN Shannon-PWM Portland

26h 13m2 stops New York John F Kennedy Intl Chicago O'Hare Intl

$1,170American Airlines

Sat, Oct 31 - Sat, Nov 7

6:30 am - 5:50 amPWM Portland-SNN Shannon

19h 20m2 stops New York John F Kennedy Intl Boston Logan Intl

2:40 pm - 11:43 pmSNN Shannon-PWM Portland

14h 03m1 stop New York John F Kennedy Intl

$1,266Multiple Airlines

Sat, Oct 31 - Sat, Nov 7

6:30 am - 6:10 amPWM Portland-SNN Shannon

19h 40m1 stop New York John F Kennedy Intl

2:40 pm - 11:43 pmSNN Shannon-PWM Portland

14h 03m1 stop New York John F Kennedy Intl

$1,369Multiple Airlines

Fri, Nov 13 - Fri, Nov 20

3:41 pm - 3:45 pmPWM Portland-SNN Shannon

19h 04m3 stops Newark Toronto Pearson Intl London Heathrow

7:50 am - 11:21 pmSNN Shannon-PWM Portland

20h 31m3 stops London Heathrow Toronto Pearson Intl Newark

$1,631Air Canada

Recent last minute flight deals from Maine to Shannon

Fri, Oct 9 - Fri, Oct 16

10:43 am - 10:15 amPWM Portland-SNN Shannon

18h 32m1 stop Newark

12:30 pm - 11:28 pmSNN Shannon-PWM Portland

15h 58m1 stop Newark

$882United Airlines

Fri, Oct 9 - Fri, Oct 16

6:54 pm - 10:15 amPWM Portland-SNN Shannon

10h 21m1 stop Newark

12:30 pm - 10:02 amSNN Shannon-PWM Portland

26h 32m2 stops Newark Washington, D.C. Dulles Intl

$886United Airlines

Thu, Oct 8 - Wed, Oct 14

6:55 pm - 10:15 amPWM Portland-SNN Shannon

10h 20m1 stop Newark

12:30 pm - 11:28 pmSNN Shannon-PWM Portland

15h 58m1 stop Newark

$940United Airlines

Thu, Oct 8 - Wed, Oct 14

5:15 am - 10:15 amPWM Portland-SNN Shannon

48h 00m2 stops Washington, D.C. Dulles Intl Newark

12:30 pm - 11:28 pmSNN Shannon-PWM Portland

15h 58m1 stop Newark

$957United Airlines

Thu, Oct 8 - Wed, Oct 14

6:55 pm - 10:15 amPWM Portland-SNN Shannon

10h 20m1 stop Newark

12:30 pm - 11:28 pmSNN Shannon-PWM Portland

15h 58m1 stop Newark

$989Lufthansa

Thu, Oct 8 - Wed, Oct 14

6:55 pm - 10:15 amPWM Portland-SNN Shannon

10h 20m1 stop Newark

12:30 pm - 8:22 pmSNN Shannon-PWM Portland

12h 52m1 stop Newark

$990United Airlines

Thu, Oct 8 - Wed, Oct 14

5:15 am - 10:15 amPWM Portland-SNN Shannon

48h 00m2 stops Washington, D.C. Dulles Intl Newark

12:30 pm - 11:28 pmSNN Shannon-PWM Portland

15h 58m1 stop Newark

$1,006United Airlines

Thu, Oct 8 - Wed, Oct 14

6:55 pm - 10:15 amPWM Portland-SNN Shannon

10h 20m1 stop Newark

12:30 pm - 11:59 pmSNN Shannon-PWM Portland

40h 29m2 stops Newark Washington, D.C. Dulles Intl

$1,006United Airlines

Thu, Oct 8 - Wed, Oct 14

9:50 am - 10:15 amPWM Portland-SNN Shannon

43h 25m2 stops Washington, D.C. Dulles Intl Newark

12:30 pm - 11:28 pmSNN Shannon-PWM Portland

15h 58m1 stop Newark

$1,007United Airlines

Fri, Oct 9 - Fri, Oct 16

6:00 am - 5:25 amPWM Portland-SNN Shannon

18h 25m2 stops Washington, D.C. Reagan-National Boston Logan Intl

7:30 am - 10:36 pmSNN Shannon-PWM Portland

20h 06m2 stops London Heathrow Charlotte Douglas

$1,334American Airlines

Useful Info

Low season	January
High season	August
Cheapest flight	$944

Best time to beat the crowds with an average 18% drop in price.

Most popular time to fly and prices are also 6% lower on average.

Flight from Portland to Shannon

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