HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Portland (PWM) to Shannon (SNN) from $961

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/8. 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
Apr 30 — May 71
From?
To?
Tue 4/30
Tue 5/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 April 25, 2024.

Round-trip from

$533
From Portland to Shannon
Search Deals

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

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 4% on your flight compared to booking on days when demand is much higher.

When is the cheapest time to fly from Portland, Maine to Shannon (PWM - 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 Delta flights from Portland to Shannon

Explore cheap flight options specifically provided by Delta 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 3,073,952 searches. Data last updated April 25, 2024.
Mon 7/85:05 amPWM - SNN
1 stop24h 45mDelta
Mon 7/2212:50 pmSNN - PWM
1 stop16h 24mDelta
Deal found 4/23$961
Mon 7/85:05 amPWM - SNN
1 stop24h 45mDelta
Mon 7/2212:50 pmSNN - PWM
2 stops15h 34mDelta
Deal found 4/23$966

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 3,073,952 searches. Data last updated April 25, 2024.
Mon 7/85:05 amPWM - SNN
1 stop24h 45mDelta
Mon 7/2212:50 pmSNN - PWM
1 stop16h 24mDelta
Deal found 4/23$961
Mon 7/85:05 amPWM - SNN
1 stop24h 45mDelta
Mon 7/2212:50 pmSNN - PWM
2 stops15h 34mDelta
Deal found 4/23$966
Mon 7/86:15 amPWM - SNN
2 stops20h 15mUnited Airlines
Mon 7/229:30 amSNN - PWM
2 stops30h 02mUnited Airlines
Deal found 4/23$1,035
Mon 7/83:51 pmPWM - SNN
3 stops19h 19mAir Canada
Mon 7/227:40 amSNN - PWM
3 stops31h 20mAir Canada
Deal found 4/23$2,176
Mon 7/811:35 amPWM - SNN
3 stops23h 35mMultiple Airlines
Mon 7/227:40 amSNN - PWM
2 stops15h 46mMultiple Airlines
Deal found 4/23$5,199

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 3,073,952 searches. Data last updated April 25, 2024.
Sun 9/1512:39 pmPWM - SNN
3 stops41h 41mMultiple Airlines
Deal found 4/24$2,272
Sun 9/157:25 pmPWM - SNN
2 stops55h 05mUnited Airlines
Deal found 4/24$2,910
Sun 9/154:50 pmPWM - SNN
1 stop33h 40mUnited Airlines
Deal found 4/24$3,149

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 3,073,952 searches. Data last updated April 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$961 - $5,199

Route

Depart

Return

Price

PortlandShannon

PWM - SNN

PWMSNN

Portland

Mon 7/8

1 stop24h 45m

Shannon

Mon 7/22

1 stop16h 24m

$961

PortlandShannon

PWM - SNN

PWMSNN

Portland

Mon 7/8

1 stop24h 45m

Shannon

Mon 7/22

2 stops15h 34m

$966

PortlandShannon

PWM - SNN

PWMSNN

Portland

Mon 7/8

2 stops20h 15m

Shannon

Mon 7/22

2 stops30h 02m

$1,035

PortlandShannon

PWM - SNN

PWMSNN

Portland

Mon 7/8

3 stops19h 19m

Shannon

Mon 7/22

3 stops31h 20m

$2,176

PortlandShannon

PWM - SNN

PWMSNN

Portland

Mon 7/8

3 stops23h 35m

Shannon

Mon 7/22

2 stops15h 46m

$5,199

Flights are sorted by cheapest first

Deals found on 4/23

When is the cheapest time 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 April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Portland, Maine to Shannon flight should consider departing on Tuesday 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

Average price of flights to Shannon by month

Plan your trip from Portland to Shannon by taking into account the cheapest months to travel. The average price of a one-way flight from Portland to Shannon is currently $2,777 while a round-trip flight costs $2,067. Price data was last updated on April 21, 2024.

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 $1,077). 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.

January

$620

February

$533

March

$614

April

$706

May

$842

June

$1,077

July

$1,042

August

$922

September

$815

October

$662

November

$594

December

$650

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 April 25, 2024.
Delta
8.1
Very good
10,975 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Overall

8.1

Food

7.4

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,975 reviews
Delta
8.1
Very good
10,975 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Overall

8.1

Food

7.4

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,255 reviews
Delta
8.1
Very good
10,975 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Overall

8.1

Food

7.4

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Air Canada
7.0
Good
6,857 reviews
Delta
8.1
Very good
10,975 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Overall

8.1

Food

7.4

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

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 $1,000 on Cheapflights?

    Yes, there are multiple flights from Portland, Maine to Shannon for under $1,000. The cheapest flight booked recently is on Delta for just $961, but on average you can expect to pay $2,067.

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

    According to our current data, Delta ($961), United Airlines ($1,035), and Air Canada ($2,176) offers the cheapest pricing from Portland, Maine to Shannon.

  • 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 4/23.

See more FAQs

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

Portland to Dublin flights
Bangor to Dublin flights

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 3,073,952 searches. Data last updated April 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,074Average$1,410FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
USA to Japan flights
Newark Airport to Miami flights
Chicago to Miami flights
Seattle to Boston flights
San Francisco to Vancouver flights
Houston to London flights
Dallas to Salt Lake City flights
Charlotte to Washington, D.C. flights
USA to Manila flights
Dallas to Dubai flights
Boston to Philadelphia flights
Portland, Maine to South Padre Island flights

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.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Perugia Sant Egidio
Flights to Biarritz Parme
Flights to Argostoli Cephalonia
Flights to Melilla
Flights to Milas–Bodrum
Flights to Girona Costa Brava
Flights to Fez Sais
Flights to Zakynthos Dionsios Salomos
Flights to Bourgas
Flights to Bodø
Flights to Reggio Calabria Tito Menniti
Flights to Bastia Poretta
Flights to Skiathos
Flights to Kalamata
Flights to Batumi
Flights to Menorca/Mahon
Flights to Kristiansand Kjevik
Flights to Champaign University-Willard
Flights to Kagoshima
Flights to Ohrid
Flights to Clermont-Ferrand Aulnat
Flights to Parikia Paros
Flights to Lanzhou Arpt
Flights to Mason City

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.

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.
View all available airlines