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Cheap flights from Portland (PWM) to Shannon (SNN) from $609

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 7/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PWM — SNN
jun. 4 — jun. 111
From?
To?
mar. 6/4
mar. 6/11
1 adult, Economy
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Cheap flight deals from Portland to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Shannon (SNN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated mayo 30, 2024.

Round-trip from

$533
From Portland to Shannon
Search Deals

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

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

Cheap American Airlines flights from Portland to Shannon

Explore cheap flight options specifically provided by American Airlines for the route between Portland and Shannon. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
Consider these cheap American Airlines flights we've found departing from Portland to Shannon. Be sure to come back soon if the deals available don't appeal to you at this time.
mié. 11/61:14 pmPWM - SNN
2 stops22h 31mAmerican Airlines
mar. 11/122:00 pmSNN - PWM
2 stops14h 46mAmerican Airlines
Deal found 5/28$651
mar. 7/24:13 pmPWM - SNN
2 stops14h 07mAmerican Airlines
sáb. 7/67:40 amSNN - PWM
2 stops20h 06mAmerican Airlines
Deal found 5/29$1,782

Cheap United Airlines flights from Portland to Shannon

Explore cheap flight options specifically provided by United Airlines for the route between Portland and Shannon. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
Have a look at some of the cheapest available United Airlines flights departing from Portland and landing in Shannon. Deals are refreshing constantly so come back soon for more options.
mar. 9/2412:35 pmPWM - SNN
1 stop13h 55mUnited Airlines
mié. 10/1612:30 pmSNN - PWM
1 stop11h 14mUnited Airlines
Deal found 5/30$700
mar. 9/2412:28 pmPWM - SNN
2 stops14h 02mUnited Airlines
mié. 10/1612:30 pmSNN - PWM
2 stops16h 29mUnited Airlines
Deal found 5/30$704

Portland to Shannon 2024 flight deals

Discover exclusive flight deals for travel between Portland and Shannon in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
Scroll through some of the best deals on flights from Portland to Shannon in 2024. Check back regularly for other flight deals.
mié. 11/61:14 pmPWM - SNN
2 stops22h 31mAmerican Airlines
mar. 11/122:00 pmSNN - PWM
2 stops14h 46mAmerican Airlines
Deal found 5/28$651
mar. 9/2412:35 pmPWM - SNN
1 stop13h 55mUnited Airlines
mié. 10/1612:30 pmSNN - PWM
1 stop11h 14mUnited Airlines
Deal found 5/30$700
mar. 9/2412:28 pmPWM - SNN
2 stops14h 02mUnited Airlines
mié. 10/1612:30 pmSNN - PWM
2 stops16h 29mUnited Airlines
Deal found 5/30$704
mar. 9/2412:28 pmPWM - SNN
3 stops17h 52mAir Canada
mié. 10/167:40 amSNN - PWM
3 stops29h 10mAir Canada
Deal found 5/30$1,689
mar. 7/24:13 pmPWM - SNN
2 stops14h 07mAmerican Airlines
sáb. 7/67:40 amSNN - PWM
2 stops20h 06mAmerican Airlines
Deal found 5/29$1,782
mar. 7/22:08 pmPWM - SNN
1 stop15h 42mKLM
sáb. 7/612:50 pmSNN - PWM
1 stop16h 34mKLM
Deal found 5/29$1,983
mar. 7/25:37 amPWM - SNN
2 stops24h 13mDelta
sáb. 7/612:50 pmSNN - PWM
1 stop16h 34mDelta
Deal found 5/29$1,987

One-way flights to Shannon from Portland

Search for one-way flight options from Portland to Shannon. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
Take a look at some of the one-way flights we've detected from Portland to Shannon. Users in need of a round-trip flight from Portland to Shannon instead should update the search form at the top of page.
lun. 7/17:17 amPWM - SNN
2 stops17h 48mAmerican Airlines
Deal found 5/30$609
lun. 7/12:08 pmPWM - SNN
1 stop15h 42mDelta
Deal found 5/30$1,032
lun. 7/110:41 amPWM - SNN
3 stops24h 29mAir Canada
Deal found 5/30$1,034
lun. 7/19:45 amPWM - SNN
1 stop15h 20mMultiple Airlines
Deal found 5/30$3,444
mar. 7/211:07 amPWM - SNN
2 stops19h 13mAmerican Airlines
Deal found 5/30$4,049
lun. 7/16:00 amPWM - SNN
2 stops33h 35mAmerican Airlines
Deal found 5/30$4,299
mar. 7/211:35 amPWM - SNN
3 stops18h 45mAir Canada
Deal found 5/30$4,948
lun. 7/111:35 amPWM - SNN
3 stops18h 45mAir Canada
Deal found 5/30$5,504

Find flights from Portland to Shannon within your budget

Customize your flight search to find flights from Portland 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 2,784,634 searches. Data last updated mayo 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$651 - $1,987

Route

Depart

Return

Price

PortlandShannon

PWM - SNN

PWMSNN

Portland

mié. 11/6

2 stops22h 31m

Shannon

mar. 11/12

2 stops14h 46m

$651

PortlandShannon

PWM - SNN

PWMSNN

Portland

mar. 9/24

1 stop13h 55m

Shannon

mié. 10/16

1 stop11h 14m

$700

PortlandShannon

PWM - SNN

PWMSNN

Portland

mar. 9/24

2 stops14h 02m

Shannon

mié. 10/16

2 stops16h 29m

$704

PortlandShannon

PWM - SNN

PWMSNN

Portland

mar. 9/24

3 stops17h 52m

Shannon

mié. 10/16

3 stops29h 10m

$1,689

PortlandShannon

PWM - SNN

PWMSNN

Portland

mar. 7/2

2 stops14h 07m

Shannon

sáb. 7/6

2 stops20h 06m

$1,782

PortlandShannon

PWM - SNN

PWMSNN

Portland

mar. 7/2

1 stop15h 42m

Shannon

sáb. 7/6

1 stop16h 34m

$1,983

PortlandShannon

PWM - SNN

PWMSNN

Portland

mar. 7/2

2 stops24h 13m

Shannon

sáb. 7/6

1 stop16h 34m

$1,987

Flights are sorted by cheapest first

Deals found on 5/28

What is the cheapest day to fly from Portland, Maine to Shannon?

Use this chart to determine the cheapest time to fly round-trip from Portland to Shannon. Price data was last updated on May 12, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Portland, Maine to Shannon flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Portland to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from Portland 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.

Temperature and rainfall in Shannon by month

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

SNN

Temperature

42.8 - 60.8 °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 mayo 30, 2024.
See what other customers who have flown with American Airlines and United Airlines from Portland to Shannon have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,457 reviews
Check prices

Food

7.4

Overall

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,457 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Food

7.4

Overall

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,520 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Food

7.4

Overall

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
10,777 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Food

7.4

Overall

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,284 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Food

7.4

Overall

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Air Canada
7.0
Good
7,004 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Food

7.4

Overall

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

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

  • Can I find flights from Portland, Maine to Shannon for under $700 on Cheapflights?

    Yes, there are multiple flights from Portland, Maine to Shannon for under $700. The cheapest flight booked recently is on American Airlines for just $651, but on average you can expect to pay $1,356.

  • What are the cheapest airlines flying from Portland, Maine to Shannon round-trip?

    According to our current data, American Airlines ($651), United Airlines ($700), and Air Canada ($1,689) offers the cheapest pricing from Portland, Maine to Shannon.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $609. Delta flights start at $1,032 while deals on Air Canada start at $1,034 one-way.

  • What does PWM to SNN mean?

    This is defined as Portland Airport (PWM) and Shannon Airport (SNN). Codes like Shannon Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Portland to Shannon that include extra baggage allowance?

    The amount of baggage you can bring on your Portland to Shannon flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Portland to Shannon with specific airlines?

    Yes, Cheapflights allows you to browse and filter Portland to Shannon flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland 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.

  • Can I find deals for flights from Portland to Shannon that allow pets onboard?

    Many airlines flying from Portland to Shannon offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Portland to Shannon?

    Yes, you can often find last-minute deals on Portland to Shannon flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Portland, Maine to Shannon flight deals updated?

    The Portland, Maine to Shannon flight deals you see on this page were last updated on 5/30.

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

    Currently, February is the cheapest month in which you can book a flight from Portland, Maine to Shannon (average of $533). Flying from Portland, Maine to Shannon in June is currently the most expensive (average of $1,023). 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.

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Alternative routes for Portland to Shannon
See prices for flight routes from nearby airports that may be better suited for you.

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Top airline flying from Portland to Shannon

Discover the top airline that operate flights from Portland to Shannon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,213Average$1,410FlexibilityNo cancel feeOn-time69%
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Search flights from Portland to Shannon by cabin class

Find flights from Portland to Shannon, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portland to Shannon?

Cheapflights makes it easy to find Portland to Shannon flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Portland to Shannon?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Portland to Shannon for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Portland to Shannon with no change fees?

Need flexible booking options for your flight to Shannon from Portland? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Portland to Shannon become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Shannon from Portland today and book when prices fit your budget.

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