Cheap flights from Shannon to Philadelphia from £431

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 21/12. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — PHL
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Find flight deals from Shannon to Philadelphia

One-way flights from Shannon to Philadelphia
Search for one-way flight options from Shannon to Philadelphia. Find affordable one-way fares based on user searches. Data last updated 18 September 2025.

Sat 20/1217:25SNN - PHL
1 stop24h 45mBritish Airways
Deal found 16/9£431

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 18 September 2025.
Use the filters below to find and compare flights from Shannon to Philadelphia that are best for you.

Fly from

Shannon

Fly to

Philadelphia

Route

Depart

Return

Price

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Sun 21/12

20:05-13:10

1 stop22h 05m

£431

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Mon 22/12

17:30-16:15

1 stop27h 45m

£431

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Sat 20/12

17:25-13:10

1 stop24h 45m

£431

Flights are sorted by cheapest return flights first.

Deals found on 16/9

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, March is the cheapest month in which you can book a flight from Shannon, Clare to Philadelphia (average of £648). Flying from Shannon, Clare to Philadelphia in July is currently the most expensive (average of £839). 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.

  • 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, March is the cheapest month in which you can book a flight from Shannon, Clare to Philadelphia (average of £648). Flying from Shannon, Clare to Philadelphia in July is currently the most expensive (average of £839). 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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