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Shannon

$224+ Cheap flights from Philadelphia (PHL) 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SNN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Philadelphia to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) 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 September 11, 2025.

Round-trip from

$496
(American Airlines)

One-way from

$224
(Mytrip)

Popular in

January

Cheapest in

November

Average price

$865
From Philadelphia to Shannon
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One-way flight from Philadelphia to Shannon
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Highest demand for flights based on searches. 16% potential increase in price ($183 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($84 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Philadelphia to Shannon

Cheapest flights from Philadelphia to Shannon
Explore the most affordable flight options available from Philadelphia to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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.
Sun 10/198:00 pmPHL - SNN
1 stop10h 20mAmerican Airlines
Tue 11/47:50 amSNN - PHL
1 stop13h 25mAmerican Airlines
Deal found 9/10$497
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 10/268:45 pmPHL - SNN
1 stop10h 45mAmerican Airlines
Sun 11/27:50 amSNN - PHL
2 stops18h 16mAmerican Airlines
Deal found 9/11$556
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 10/910:15 pmPHL - SNN
1 stop17h 20mAmerican Airlines
Thu 10/167:40 amSNN - PHL
1 stop13h 45mAmerican Airlines
Deal found 9/11$636
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Sun 10/196:30 pmPHL - SNN
1 stop16h 40mMultiple Airlines
Tue 11/42:00 pmSNN - PHL
2 stops14h 56mMultiple Airlines
Deal found 9/10$688
This British Airways deal was found by Cheapflights users on 9/10. 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.
Sun 10/194:00 pmPHL - SNN
2 stops14h 20mBritish Airways
Tue 11/47:50 amSNN - PHL
2 stops32h 10mBritish Airways
Deal found 9/10$704
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 9/2010:30 amPHL - SNN
2 stops18h 45mUnited Airlines
Sat 9/2712:30 pmSNN - PHL
2 stops27h 09mUnited Airlines
Deal found 9/10$737

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia 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 September 11, 2025.
Use the filters below to find and compare flights from Philadelphia to Shannon that are best for you.

Fly from

Philadelphia

Fly to

Shannon

Route

Depart

Return

Price

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Wed 2/18

3:35 pm-11:30 am

2 stops14h 55m

Shannon

Tue 2/24

7:50 am-4:15 pm

1 stop13h 25m

$500

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Sun 10/26

8:45 pm-11:30 am

1 stop10h 45m

Shannon

Sun 11/2

7:50 am-9:06 pm

2 stops18h 16m

$556

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Thu 10/9

10:15 pm-8:35 pm

1 stop17h 20m

Shannon

Thu 10/16

7:40 am-4:25 pm

1 stop13h 45m

$636

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Wed 2/18

3:30 pm-11:30 am

2 stops15h 00m

Shannon

Fri 2/27

7:50 am-2:47 pm

2 stops35h 57m

$685

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Tue 2/17

6:35 pm-11:30 am

1 stop11h 55m

Shannon

Tue 2/24

7:50 am-4:15 pm

1 stop13h 25m

$686

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Sun 10/19

6:30 pm-4:10 pm

1 stop16h 40m

Shannon

Tue 11/4

2:00 pm-11:56 pm

2 stops14h 56m

$688

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Wed 2/18

6:35 pm-7:25 pm

1 stop19h 50m

Shannon

Fri 2/27

7:50 am-4:15 pm

1 stop13h 25m

$698

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Wed 2/18

6:35 pm-4:45 pm

1 stop17h 10m

Shannon

Mon 2/23

5:30 pm-1:10 pm

1 stop24h 40m

$698

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Tue 2/17

7:45 pm-11:30 am

1 stop10h 45m

Shannon

Thu 2/26

5:30 pm-4:15 pm

1 stop27h 45m

$698

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Sun 2/15

6:35 pm-11:30 am

1 stop11h 55m

Shannon

Tue 2/24

8:05 pm-4:15 pm

1 stop25h 10m

$698

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 13 results
1
2

Best time to book a flight from Philadelphia to Shannon

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

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

Currently, February is the cheapest month in which you can book a flight from Philadelphia to Shannon, Clare (average of $533). Flying from Philadelphia to Shannon, Clare in June is currently the most expensive (average of $926). 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.

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

Find hourly flight availability from Philadelphia 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 September 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Philadelphia to Shannon, Clare in the afternoon. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the morning.

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 September 11, 2025.
Get a feel of what it's like to fly with United Airlines, American Airlines, and Aer Lingus from Philadelphia to Shannon by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Aer Lingus
7.2
Good
1,271 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

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

  • How long is the flight from Philadelphia to Shannon, Clare?

    Airlines like American Airlines fly from Philadelphia to Shannon, Clare in about 14h 55m. The time it takes to get you to your destination can typically vary by up to . Philadelphia and Shannon, Clare are separated by a distance of 3165 mi.

  • What are the cheapest airlines flying from Philadelphia to Shannon, Clare round-trip?

    American Airlines, at $607, was found to be the cheapest airline from Philadelphia to Shannon, Clare.Alternate airlines to your destination round-trip include United Airlines and Aer Lingus. American Airlines is priced at 35% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia 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 Philadelphia to Shannon, Clare?

    Currently, February is the cheapest month in which you can book a flight from Philadelphia to Shannon, Clare (average of $533). Flying from Philadelphia to Shannon, Clare in June is currently the most expensive (average of $926). 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 Shannon?

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

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Alternative routes for Philadelphia to Shannon

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Top 3 airlines flying from Philadelphia to Shannon

Discover the top 3 airlines that operate flights from Philadelphia 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 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$607Average$870FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$640Average$898FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$732Average$963FlexibilityNo cancel feeOn-timeN/A

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