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Cheap flights from Shannon to Philadelphia from £391

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — PHL
10 Apr — 17 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Shannon to Philadelphia

Enter your travel dates to find the best prices.

Cheapest flights from Shannon to Philadelphia
Explore the most affordable flight options available from Shannon to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 March 2026.

Fri 3/407:30
SNN
-
PHL
1 stop13h 00m
British Airways
Tue 7/417:55
PHL
-
SNN
2 stops12h 25m
British Airways
Deal found 6/3£463
Thu 7/521:15
SNN
-
PHL
1 stop19h 55m
British Airways
Mon 11/517:55
PHL
-
SNN
2 stops12h 25m
British Airways
Deal found 7/3£463
Thu 16/421:15
SNN
-
PHL
1 stop19h 55m
British Airways
Sun 19/411:50
PHL
-
SNN
2 stops18h 30m
British Airways
Deal found 8/3£469
Thu 16/412:30
SNN
-
PHL
2 stops17h 29m
United Airlines
Sun 19/406:04
PHL
-
SNN
2 stops23h 11m
United Airlines
Deal found 10/3£583
Thu 25/609:30
SNN
-
PHL
1 stop13h 12m
United Airlines
Mon 6/706:10
PHL
-
SNN
2 stops20h 20m
United Airlines
Deal found 7/3£624
Fri 26/609:30
SNN
-
PHL
1 stop14h 48m
United Airlines
Sun 5/713:31
PHL
-
SNN
1 stop12h 59m
United Airlines
Deal found 7/3£653

Find flight deals from Shannon to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Shannon (SNN) to Philadelphia (PHL). 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 11 March 2026.

Round-trip from

£463

One-way from

£391
British Airways
  • British Airways
  • 7/5-11/5
  • 2 total stops
  • 34h 50m total
  • Shannon to Philadelphia
Search Deals
British Airways
  • British Airways
  • 20/5
  • 1 total stop
  • 27h 35m total
  • Shannon to Philadelphia
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Shannon to Philadelphia 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 858,174 searches. Data last updated 11 March 2026.
Use the filters below to find and compare flights from Shannon to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Thu 7/5

21:15-15:30

1 stop23h 15m

Philadelphia

Mon 11/5

18:45-11:20

1 stop11h 35m

£463

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Mon 20/4

21:15-15:30

1 stop23h 15m

Philadelphia

Mon 27/4

14:45-11:20

2 stops15h 35m

£463
Fastest return journey

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Fri 3/4

07:30-15:30

1 stop13h 00m

Philadelphia

Tue 7/4

17:55-11:20

2 stops12h 25m

£463

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Thu 16/4

21:15-15:30

1 stop23h 15m

Philadelphia

Sun 19/4

22:05-11:20

1 stop32h 15m

£463

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Thu 25/6

09:30-19:18

1 stop14h 48m

Philadelphia

Tue 7/7

10:32-07:30

2 stops15h 58m

£624
Cheapest one-way

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Wed 20/5

16:50-16:40

1 stop28h 50m

£391
Fastest single journey

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Thu 19/3

07:50-23:54

2 stops20h 04m

£641

Flights are sorted by cheapest return flights first.

Deals found on 6/3

Sorted by cheapest first

Best time to book a flight from Shannon to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Shannon with our price prediction graph.
Estimated return 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 Shannon to Philadelphia

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

Currently, November is the cheapest month in which you can book a flight from Shannon, Clare to Philadelphia (average of £310). Flying from Shannon, Clare to Philadelphia in January is currently the most expensive (average of £569). 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.

Related info for your journey

Find useful and relevant information for your journey from Shannon to Philadelphia. 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 Shannon, Clare to Philadelphia?

    There are many flights that can get you from Shannon, Clare to Philadelphia in 23h 15m. Fly via British Airways to get the fastest option. The distance from Shannon, Clare to Philadelphia is about 3165 mi.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Shannon, Clare to Philadelphia (average of £310). Flying from Shannon, Clare to Philadelphia in January is currently the most expensive (average of £569). 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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Can Cheapflights find flights from Shannon to Philadelphia with no change fees?

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

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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