HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Shannon

$282+ Cheap flights from Maine to Shannon (SNN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SNN
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Maine to Shannon with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Maine to Shannon

Keep the following information in mind while searching for Maine to Shannon flight deals. Data was last updated April 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$576
(United Airlines)

One-way from

$342
(Kiwi.com)
Provider with most accurate pricing for Portland-Shannon flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Shannon flights.
Search Deals
From Maine to Shannon
Search Deals
One-way flight from Maine to Shannon
Search Deals

Find flight deals from Maine to Shannon

Cheapest flights from Maine to Shannon
Explore the most affordable flight options available from Maine to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/126:10 amPWM - SNN
1 stop20h 20mUnited Airlines
Wed 8/2012:30 pmSNN - PWM
1 stop10h 56mUnited Airlines
Deal found 4/23$576
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:00 amBOS - SNN
1 stop20h 30mUnited Airlines
Sun 9/219:30 amSNN - BOS
1 stop14h 49mUnited Airlines
Deal found 4/23$597
This FlightHub deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:25 pmBOS - SNN
Nonstop5h 50mAer Lingus
Thu 11/202:00 pmSNN - BOS
1 stop12h 30mAer Lingus
Deal found 4/23$612
This Mytrip deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/307:15 pmBOS - SNN
2 stops19h 35mMultiple Airlines
Wed 5/76:05 amSNN - BOS
2 stops16h 45mMultiple Airlines
Deal found 4/23$635
This American Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/148:05 pmBOS - SNN
1 stop15h 05mAmerican Airlines
Tue 5/209:15 pmSNN - BOS
1 stop20h 35mAmerican Airlines
Deal found 4/23$643
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/75:04 pmBOS - SNN
1 stop13h 06mDelta
Fri 7/181:05 pmSNN - BOS
1 stop23h 16mDelta
Deal found 4/23$668
This Air Canada deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/255:50 amBOS - SNN
2 stops24h 30mAir Canada
Sun 8/247:40 amSNN - BOS
2 stops30h 55mAir Canada
Deal found 4/23$700
This Air Canada deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1210:51 amPWM - SNN
3 stops19h 29mAir Canada
Wed 8/207:40 amSNN - PWM
3 stops20h 21mAir Canada
Deal found 4/23$812
This British Airways deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/147:50 pmBOS - SNN
2 stops15h 20mBritish Airways
Sat 5/247:40 amSNN - BOS
1 stop14h 25mBritish Airways
Deal found 4/23$852
This JetBlue deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/72:15 pmPWM - SNN
1 stop10h 40mJetBlue
Sat 6/142:40 pmSNN - PWM
1 stop14h 12mJetBlue
Deal found 4/23$2,289

Cheapflights Fare Finder

Customize your flight search to find flights from Maine to Shannon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 24, 2025.
Use the filters below to find and compare flights from Maine to Shannon that are best for you.

Fly from

Maine

Fly to

Shannon

Route

Depart

Return

Price

PortlandShannon

PWM - SNN

PWMSNN

Portland

Tue 8/12

6:10 am-7:30 am

1 stop20h 20m

Shannon

Wed 8/20

12:30 pm-6:26 pm

1 stop10h 56m

$576

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Tue 9/16

6:00 am-7:30 am

1 stop20h 30m

Shannon

Sun 9/21

9:30 am-7:19 pm

1 stop14h 49m

$597

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Wed 5/14

8:05 pm-4:10 pm

1 stop15h 05m

Shannon

Tue 5/20

9:15 pm-12:50 pm

1 stop20h 35m

$643

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Fri 9/5

6:35 pm-5:25 am

Nonstop5h 50m

Shannon

Fri 9/12

1:45 pm-3:30 pm

Nonstop6h 45m

$647

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Mon 7/7

5:04 pm-11:10 am

1 stop13h 06m

Shannon

Fri 7/18

1:05 pm-7:21 am

1 stop23h 16m

$668

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Wed 5/14

7:15 pm-7:50 pm

2 stops19h 35m

Shannon

Tue 5/20

7:30 am-5:50 pm

2 stops15h 20m

$692

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Fri 7/25

5:50 am-11:20 am

2 stops24h 30m

Shannon

Sun 8/24

7:40 am-9:35 am

2 stops30h 55m

$700

PortlandShannon

PWM - SNN

PWMSNN

Portland

Tue 8/12

10:51 am-11:20 am

3 stops19h 29m

Shannon

Wed 8/20

7:40 am-11:01 pm

3 stops20h 21m

$812

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Wed 5/14

7:50 pm-4:10 pm

2 stops15h 20m

Shannon

Sat 5/24

7:40 am-5:05 pm

1 stop14h 25m

$852

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Thu 6/5

1:05 pm-11:10 am

1 stop17h 05m

Shannon

Sun 6/15

1:05 pm-7:14 pm

1 stop11h 09m

$906

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 19 results
1
2

Best time to book a flight from Maine to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from Maine with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Maine to Shannon

What is the cheapest time of day to fly from ME to SNN?

Find hourly flight availability from Maine to Shannon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

When flying from Maine to Shannon, Clare, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Shannon by month

Plan your trip to Shannon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Shannon, Clare ranges from 2.3 - 4.1 inches per month. October is typically the wettest month, when rainfall can reach 4.1 in. April is typically the driest time to visit Shannon, Clare when rainfall is around 2.3 in.

Temperature in Shannon by month

Plan your trip to Shannon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Shannon, Clare, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Shannon

Get insights into the airlines that provide service to Shannon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Shannon. Reviews last updated April 24, 2025.
To help decide which airline to fly from Maine to Shannon, see what other customers have to say about Delta, KLM and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.3
Good
2,924 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Maine to Shannon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Shannon from Maine?

    Shannon (SNN) is the airport you will fly into if you book a flight from Maine to Shannon. It is only a 2.1 mi journey from Shannon (SNN) to Shannon’s city center.

  • What are the cheapest airlines to fly from Maine to Shannon, Clare one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $495. However, be on the lookout for offers from Aer Lingus and American Airlines, as they are both options that can get you from Maine to Shannon, Clare for a low price.

  • Can I find deals for flights from Maine to Shannon that include hotel bookings?

    Yes. In addition to deals on Maine to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Maine to Shannon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Maine to Shannon.

  • Can I find deals for business class flights from Maine to Shannon?

    Yes. Cheapflights offers flight deals from Maine to Shannon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Maine to Shannon, Clare?

    Currently, February is the cheapest month in which you can book a flight from Maine to Shannon, Clare (average of $533). Flying from Maine to Shannon, Clare in June is currently the most expensive (average of $1,007). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Maine?

Book flights to Maine if you plan to visit one of these locations
Ennis

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Maine to Shannon

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Dublin flights
John F Kennedy Intl to Dublin flights
O'Hare Intl to Dublin flights
Boston to Dublin flights
Dulles Intl to Dublin flights
LaGuardia to Dublin flights
Dallas/Fort Worth to Dublin flights
Philadelphia to Dublin flights
Seattle to Dublin flights
Los Angeles to Dublin flights
Atlanta to Dublin flights
San Francisco to Dublin flights
Minneapolis to Dublin flights
Baltimore to Dublin flights
Reagan-National to Dublin flights
Charlotte to Dublin flights
Denver to Dublin flights
Orlando to Dublin flights
Stewart to Dublin flights
Midway to Dublin flights
Boston to Shannon flights
Cleveland to Dublin flights
John F Kennedy Intl to Shannon flights
Newark to Shannon flights
Detroit to Dublin flights
Hartford to Dublin flights
Raleigh to Dublin flights
Nashville to Dublin flights
Love Field to Dublin flights
Indianapolis to Dublin flights
Portland to Dublin flights
Austin to Dublin flights
Sky Harbor Intl to Dublin flights
Hobby to Dublin flights
Kansas City to Dublin flights
LaGuardia to Shannon flights
Cincinnati to Dublin flights
Pittsburgh to Dublin flights
Miami to Dublin flights
George Bush Intcntl to Dublin flights
Ontario to Dublin flights
Tampa to Dublin flights
St. Louis to Dublin flights
Oakland to Dublin flights
Santa Ana to Dublin flights
Columbus to Dublin flights
San Jose to Dublin flights
O'Hare Intl to Shannon flights
San Diego to Dublin flights
Burbank to Dublin flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.