United Cheap Flights from Philadelphia to Shannon

View €356 flight on Sun, 19 Oct 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 15% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Prices were available within the past 7 days and start at €356 for one-way flights and €525 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, 14 Sep - Tue, 23 Sep
PHL
Philadelphia
SNN
Shannon
€525 Return, found 1 day ago
€525
Return
found 1 day ago
Select United flight, departing Sun, 14 Sep from Philadelphia to Shannon, returning Tue, 23 Sep, priced at €525 found 1 day ago
United
Mon, 15 Sep - Tue, 23 Sep
PHL
Philadelphia
SNN
Shannon
€559 Return, found 1 day ago
€559
Return
found 1 day ago
Select United flight, departing Mon, 15 Sep from Philadelphia to Shannon, returning Tue, 23 Sep, priced at €559 found 1 day ago
United
Sun, 14 Sep - Mon, 22 Sep
PHL
Philadelphia
SNN
Shannon
€577 Return, found 1 day ago
€577
Return
found 1 day ago
Select United flight, departing Sun, 14 Sep from Philadelphia to Shannon, returning Mon, 22 Sep, priced at €577 found 1 day ago
United
Mon, 20 Oct - Tue, 4 Nov
PHL
Philadelphia
SNN
Shannon
€600 Return, found 2 days ago
€600
Return
found 2 days ago
Select United flight, departing Mon, 20 Oct from Philadelphia to Shannon, returning Tue, 4 Nov, priced at €600 found 2 days ago
United
Mon, 15 Sep - Mon, 22 Sep
PHL
Philadelphia
SNN
Shannon
€611 Return, found 1 day ago
€611
Return
found 1 day ago
Select United flight, departing Mon, 15 Sep from Philadelphia to Shannon, returning Mon, 22 Sep, priced at €611 found 1 day ago
United
Sat, 11 Oct - Sat, 18 Oct
PHL
Philadelphia
SNN
Shannon
€619 Return, found 2 days ago
€619
Return
found 2 days ago
Select United flight, departing Sat, 11 Oct from Philadelphia to Shannon, returning Sat, 18 Oct, priced at €619 found 2 days ago
Philadelphia to Shannon route information
Origin airport
Philadelphia Intl.
Destination airport
Shannon
Airlines serving
Aer Lingus, Air Canada, American Airlines, British Airways, JetBlue Airways
Popular airline
Aer Lingus
Distance
5066 km

Frequently asked questions

How much is a United Airlines flight from Philadelphia Intl. Airport (PHL) to Shannon Airport (SNN)?
Set the "Price (lowest to highest)" filter on Expedia to search for cheap United Airlines return flights from €525 from PHL to SNN. Affordable one-way options from €356 are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from PHL to SNN with United Airlines?
Search for round-trip or one-way flights to Shannon in January or February. You could find an affordable fare with United Airlines during these quieter months.
Does United Airlines fly nonstop from Philadelphia Intl. Airport (PHL) to Shannon Airport (SNN)?
Fill in your dates, click search and select "Nonstop" on Expedia to browse any direct flights from PHL to SNN with United Airlines or other carriers.
What airports does United Airlines fly into in Shannon?
Shannon Airport (SNN) is the main Shannon gateway for United Airlines flights from Philadelphia Intl. Airport (PHL).
Can I change or cancel my United Airlines flight from Philadelphia Intl. Airport (PHL) to Shannon Airport (SNN)?
Depending on the ticket type you purchased, a fee is typically charged if you modify or cancel your booking more than 24 hours after it's confirmed. To secure flexible fares, select our "No cancel fee" or "Changes included" filter while looking for flights. For more information on cancelling or modifying your reservation, visit "Trips," select your flight and click on "Manage Booking."
*Available to Expedia members.