$328 Cheap Flights from Philadelphia (PHL) to Shannon (SNN)

View $328 flight on Wed, Nov 12, 2025Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Shannon Airport (SNN)

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Cheap Flights from Philadelphia to Shannon (PHL-SNN)

Prices were available within the past 7 days and start at $328 for one-way flights and $480 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, Aug 12 - Thu, Aug 20
PHL
Philadelphia
SNN
Shannon
$480 Roundtrip, found 5 days ago
$480
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Wed, Aug 12 from Philadelphia to Shannon, returning Thu, Aug 20, priced at $480 found 5 days ago
United
Tue, Aug 18 - Tue, Aug 25
PHL
Philadelphia
SNN
Shannon
$487 Roundtrip, found 4 days ago
$487
Roundtrip
found 4 days ago
Select United flight, departing Tue, Aug 18 from Philadelphia to Shannon, returning Tue, Aug 25, priced at $487 found 4 days ago
United
Tue, Apr 7 - Tue, Apr 21
PHL
Philadelphia
SNN
Shannon
$492 Roundtrip, found 2 days ago
$492
Roundtrip
found 2 days ago
Select United flight, departing Tue, Apr 7 from Philadelphia to Shannon, returning Tue, Apr 21, priced at $492 found 2 days ago
United
Sun, Apr 5 - Tue, Apr 14
PHL
Philadelphia
SNN
Shannon
$497 Roundtrip, found 3 days ago
$497
Roundtrip
found 3 days ago
Select United flight, departing Sun, Apr 5 from Philadelphia to Shannon, returning Tue, Apr 14, priced at $497 found 3 days ago
Lufthansa
Wed, Aug 12 - Thu, Aug 20
PHL
Philadelphia
SNN
Shannon
$501 Roundtrip, found 5 days ago
$501
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Wed, Aug 12 from Philadelphia to Shannon, returning Thu, Aug 20, priced at $501 found 5 days ago
United
Tue, Aug 18 - Tue, Aug 25
PHL
Philadelphia
SNN
Shannon
$520 Roundtrip, found 4 days ago
$520
Roundtrip
found 4 days ago
Select United flight, departing Tue, Aug 18 from Philadelphia to Shannon, returning Tue, Aug 25, priced at $520 found 4 days ago
United
Sun, Apr 5 - Tue, Apr 14
PHL
Philadelphia
SNN
Shannon
$525 Roundtrip, found 3 days ago
$525
Roundtrip
found 3 days ago
Select United flight, departing Sun, Apr 5 from Philadelphia to Shannon, returning Tue, Apr 14, priced at $525 found 3 days ago
Air Canada
Wed, Aug 12 - Thu, Aug 20
PHL
Philadelphia
SNN
Shannon
$527 Roundtrip, found 5 days ago
$527
Roundtrip
found 5 days ago
Select Air Canada flight, departing Wed, Aug 12 from Philadelphia to Shannon, returning Thu, Aug 20, priced at $527 found 5 days ago
American Airlines
Tue, Mar 24 - Thu, Apr 2
PHL
Philadelphia
SNN
Shannon
$721 Roundtrip, found 1 hour ago
$721
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Tue, Mar 24 from Philadelphia to Shannon, returning Thu, Apr 2, priced at $721 found 1 hour ago
British Airways
Wed, Apr 1 - Tue, Apr 7
PHL
Philadelphia
SNN
Shannon
$723 Roundtrip, just found
$723
Roundtrip
just found
Select British Airways flight, departing Wed, Apr 1 from Philadelphia to Shannon, returning Tue, Apr 7, priced at $723 just found

Find the cheapest month to fly from Philadelphia (PHL) to Shannon (SNN)

August is typically the cheapest month to fly

From $532 - $1,394 per traveler.

Alternative airports near Shannon

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Shannon Airport SNN. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $720
SNN
Shannon Airport
CheapestClosest
Average driving time to city center7 min
Flights from $720

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Shannon Airport (SNN) cost?
Grab a cheap one-way flight from $328 or cheap return flight from $480 from Philadelphia Intl. Airport (PHL) to Shannon Airport (SNN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Philadelphia Intl. Airport (PHL) to Shannon Airport (SNN)?
Planning your getaway for August is a great way to save, as it's the cheapest month for flights between PHL and SNN. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Shannon Airport (SNN)?
To find the cheapest airline that'll fly you from PHL to SNN, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Philadelphia Intl. Airport (PHL) to Shannon Airport (SNN)?
You'll need to take a flight with a layover when traveling from Philadelphia Intl. Airport (PHL) to Shannon Airport (SNN). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from PHL to SNN?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on various factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from PHL to SNN?
British Airways has the strongest track record for on-time direct flights from Philadelphia Intl. Airport (PHL) to Shannon Airport (SNN), with an on-time rating of 81%. Use the Expedia App to see your flight status before you take off and get real-time alerts about any changes.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Shannon Airport (SNN)?
To land at Shannon Airport (SNN) on time, opt for a flight that leaves Philadelphia Intl. Airport (PHL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to Shannon Airport (SNN) last-minute?
Waiting until just before your trip to book your flight from PHL to SNN generally means paying more. Although you may find some last-minute deals, they aren't always guaranteed. Be flexible with your itinerary for a better chance of getting a bargain.
Is it cheaper to book a PHL to SNN flight and hotel package?
Compared with arranging hotels and flights separately, booking a PHL to SNN flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place will take the stress out of travel planning. Just secure your flights and select from our wide range of stays, then personalize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Shannon Airport (SNN)?
If you booked your PHL to SNN flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Shannon
Airlines serving
Aer Lingus, Air Canada, American Airlines, British Airways, Delta, JetBlue Airways, United
Roundtrip price
$479
Distance
3166 mi

Book with confidence

Philadelphia to Shannon Flights

The cheapest times to fly from Philadelphia to Shannon

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Philadelphia to Shannon are during the month of August. You can find some of the cheapest flights from Philadelphia to Shannon with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Philadelphia to Shannon

Sunday is one of the best days to book for cheap flights from Philadelphia to Shannon: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Philadelphia to Shannon

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Philadelphia to Shannon in 2025. You can also book with separate airlines for your outbound and return journeys, from $328 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Philadelphia to Shannon flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Philadelphia to Shannon airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Philadelphia to Shannon Flights

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*Available to One Key members.