HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Shannon

$304+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SNN
Apr 13 — Apr 201
Mon 4/13
Mon 4/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia 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 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 March 14, 2026.

This United Airlines deal was found by Cheapflights users on 3/8. 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.
Sun 8/236:00 am
PHL
-
SNN
1 stop20h 30m
United Airlines
Thu 8/279:30 am
SNN
-
PHL
1 stop20h 20m
United Airlines
Deal found 3/8$597
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Mon 8/1011:38 am
PHL
-
SNN
1 stop14h 52m
United Airlines
Wed 8/199:30 am
SNN
-
PHL
1 stop16h 51m
United Airlines
Deal found 3/10$608
This Delta deal was found by Cheapflights users on 3/9. 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.
Tue 8/115:15 pm
PHL
-
SNN
2 stops12h 55m
Delta
Fri 8/211:05 pm
SNN
-
PHL
2 stops27h 45m
Delta
Deal found 3/9$613
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Fri 8/145:15 pm
PHL
-
SNN
1 stop33h 15m
United Airlines
Sun 8/239:30 am
SNN
-
PHL
2 stops29h 16m
United Airlines
Deal found 3/9$618
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Mon 8/1011:38 am
PHL
-
SNN
2 stops17h 37m
United Airlines
Thu 8/209:30 am
SNN
-
PHL
2 stops33h 35m
United Airlines
Deal found 3/10$623
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Wed 4/811:36 am
PHL
-
SNN
2 stops17h 39m
United Airlines
Wed 4/1512:30 pm
SNN
-
PHL
2 stops26h 58m
United Airlines
Deal found 3/9$637
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Sun 8/169:52 am
PHL
-
SNN
1 stop16h 38m
United Airlines
Fri 8/219:30 am
SNN
-
PHL
1 stop13h 12m
United Airlines
Deal found 3/9$647
This United Airlines deal was found by Cheapflights users on 3/9. 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 8/157:55 pm
PHL
-
SNN
2 stops30h 35m
United Airlines
Fri 8/219:30 am
SNN
-
PHL
1 stop13h 12m
United Airlines
Deal found 3/9$652

Find 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 March 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$613
(United Airlines)

One-way from

$304
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$688
Provider with most accurate pricing for Philadelphia-Shannon flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Shannon flights.
Search Deals
From Philadelphia to Shannon
Search Deals
One-way flight from Philadelphia to Shannon
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($202 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 14, 2026.
Use the filters below to find and compare flights from Philadelphia to Shannon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Sun 4/26

6:04 am-10:15 am

2 stops23h 11m

Shannon

Thu 5/7

12:30 pm-12:59 am

2 stops17h 29m

$613

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Fri 4/10

6:17 am-10:15 am

2 stops22h 58m

Shannon

Thu 4/16

12:30 pm-12:59 am

2 stops17h 29m

$663

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Fri 4/10

6:17 am-10:15 am

2 stops22h 58m

Shannon

Fri 4/17

12:30 pm-12:59 am

2 stops17h 29m

$663

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Mon 4/6

6:17 am-10:15 am

2 stops22h 58m

Shannon

Wed 4/15

12:30 pm-10:28 am

2 stops26h 58m

$707

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Mon 4/6

6:17 am-10:15 am

2 stops22h 58m

Shannon

Tue 4/14

12:30 pm-12:59 am

2 stops17h 29m

$707

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Sun 4/5

6:04 am-10:15 am

2 stops23h 11m

Shannon

Tue 4/14

12:30 pm-12:59 am

2 stops17h 29m

$707

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Sun 4/5

2:55 pm-10:15 am

2 stops14h 20m

Shannon

Wed 4/15

12:30 pm-10:28 am

2 stops26h 58m

$707

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Mon 4/6

8:25 pm-8:35 pm

2 stops19h 10m

Shannon

Mon 4/13

9:15 pm-6:55 pm

2 stops26h 40m

$725

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Tue 4/7

7:35 pm-8:35 pm

1 stop20h 00m

Shannon

Mon 4/13

9:15 pm-12:10 pm

1 stop19h 55m

$743

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Thu 4/23

10:05 pm-8:35 pm

1 stop17h 30m

Shannon

Tue 4/28

7:30 am-3:30 pm

1 stop13h 00m

$793

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Philadelphia to Shannon

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Shannon in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Shannon, Clare flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Shannon, Clare flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Shannon, Clare flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Shannon, Clare flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Shannon, Clare flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, November is the cheapest month in which you can book a flight from Philadelphia to Shannon, Clare (average of $340). Flying from Philadelphia to Shannon, Clare in June is currently the most expensive (average of $477). 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.

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 March 14, 2026.
Get a feel of what it's like to fly with United Airlines and American Airlines 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
9,423 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,423 reviews
United Airlines
7.4
Good
9,423 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,464 reviews
United Airlines
7.4
Good
9,423 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 United Airlines fly from Philadelphia to Shannon, Clare in about 23h 11m. 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 $495, was found to be the cheapest airline from Philadelphia to Shannon, Clare. An alternate airline flying to your destination would be United Airlines. American Airlines is priced at 37% 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, November is the cheapest month in which you can book a flight from Philadelphia to Shannon, Clare (average of $340). Flying from Philadelphia to Shannon, Clare in June is currently the most expensive (average of $477). 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

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.

Top 2 airlines flying from Philadelphia to Shannon

Discover the top 2 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 March 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$495Average$836FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$640Average$898FlexibilityNo cancel feeOn-time69%

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.
Site
©2026 Cheapflights