PHL - SNN

€267 Find Cheap Flights from Philadelphia to Shannon – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
€621
Typical prices: €628-€972
Aer Lingus, Iberia
Fri 2/3Mon 12/3
PHL - SNN • 1 stop
Cheapest one-way flight
€267
Typical prices: €348-€505
Multiple Airlines
Wed 7/11
PHL - SNN • 3 stops
Direct flights
Not available
There are currently no direct flights between Philadelphia and Shannon. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
February
Cheapest • 47% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Boston Logan Intl (BOS)
Cheapest • Avg €762 (return)
London Heathrow (LHR)
Shortest trip • 12h 10m (one-way)
Insights
Insights
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We hope you enjoy your trip to Shannon!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Philadelphia to Shannon (PHL-SNN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Philadelphia to Shannon

Tue, 2 Mar - Fri, 12 Mar
Multiple Airlines Logo
09:54 - 05:50PHL  Philadelphia-SNN Shannon
14h 56m1 stop Boston Logan Intl
Multiple Airlines Logo
14:00 - 20:17SNN  Shannon-PHL Philadelphia
11h 17m1 stop Boston Logan Intl
€621Multiple Airlines
Wed, 4 Nov - Fri, 13 Nov
Multiple Airlines Logo
10:27 - 05:50PHL  Philadelphia-SNN Shannon
14h 23m1 stop Boston Logan Intl
Multiple Airlines Logo
14:00 - 21:11SNN  Shannon-PHL Philadelphia
12h 11m1 stop Boston Logan Intl
€622Multiple Airlines
Wed, 4 Nov - Sun, 8 Nov
Aer Lingus Logo
06:30 - 05:50PHL  Philadelphia-SNN Shannon
18h 20m1 stop Boston Logan Intl
Aer Lingus Logo
14:00 - 22:36SNN  Shannon-PHL Philadelphia
13h 36m1 stop Boston Logan Intl
€628Aer Lingus
Wed, 4 Nov - Sun, 8 Nov
Aer Lingus Logo
06:30 - 05:50PHL  Philadelphia-SNN Shannon
18h 20m1 stop Boston Logan Intl
Aer Lingus Logo
20:05 - 16:10SNN  Shannon-PHL Philadelphia
25h 05m2 stops London Heathrow Dublin
€636Aer Lingus
Fri, 30 Oct - Thu, 12 Nov
Aer Lingus Logo
06:30 - 05:50PHL  Philadelphia-SNN Shannon
19h 20m1 stop Boston Logan Intl
Aer Lingus Logo
14:00 - 14:45SNN  Shannon-PHL Philadelphia
29h 45m1 stop Boston Logan Intl
€646Aer Lingus
Fri, 6 Nov - Tue, 10 Nov
Aer Lingus Logo
15:30 - 05:50PHL  Philadelphia-SNN Shannon
9h 20m1 stop Boston Logan Intl
Aer Lingus Logo
14:00 - 22:36SNN  Shannon-PHL Philadelphia
13h 36m1 stop Boston Logan Intl
€647Aer Lingus
Fri, 30 Oct - Thu, 12 Nov
Multiple Airlines Logo
15:35 - 05:50PHL  Philadelphia-SNN Shannon
10h 15m1 stop Boston Logan Intl
Multiple Airlines Logo
17:30 - 13:40SNN  Shannon-PHL Philadelphia
25h 10m1 stop London Heathrow
€648Multiple Airlines
Tue, 2 Mar - Fri, 12 Mar
Aer Lingus Logo
09:54 - 05:50PHL  Philadelphia-SNN Shannon
14h 56m1 stop Boston Logan Intl
Aer Lingus Logo
07:50 - 07:11SNN  Shannon-PHL Philadelphia
28h 21m2 stops London Heathrow Pittsburgh
€650Aer Lingus
Wed, 2 Dec - Sun, 20 Dec
Aer Lingus Logo
09:30 - 05:50PHL  Philadelphia-SNN Shannon
15h 20m1 stop Boston Logan Intl
Aer Lingus Logo
14:00 - 08:39SNN  Shannon-PHL Philadelphia
23h 39m1 stop Boston Logan Intl
€653Aer Lingus
Tue, 3 Nov - Tue, 10 Nov
Aer Lingus Logo
10:27 - 05:50PHL  Philadelphia-SNN Shannon
14h 23m1 stop Boston Logan Intl
Aer Lingus Logo
14:00 - 21:11SNN  Shannon-PHL Philadelphia
12h 11m1 stop Boston Logan Intl
€664Aer Lingus
Booking Insights

Price, demand, and travel trends for Philadelphia to Shannon flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Philadelphia to Shannon with more confidence.

What's the cheapest day of the week to fly from Philadelphia to Shannon?

Monday is the cheapest day of the week to fly from Philadelphia to Shannon and is 38% cheaper than the average day. Tuesday is the most expensive day with flight prices 49% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Philadelphia to Shannon?

  • February is the cheapest month to fly from Philadelphia to Shannon at €377 return.
  • December (€1,541) and January (€1,270) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 309% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Philadelphia to Shannon flights

Low season

January

Cheapest flight

€267
Best time to beat the crowds but there is an average 77% increase in price.
Most popular time to fly (67% more expensive on average)
Flights from Philadelphia to Shannon

When to book flights from Philadelphia to Shannon

Are your dates flexible? Find out the best times to travel from Philadelphia to Shannon based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Philadelphia to Shannon flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from Philadelphia to Shannon?

    Flights from Philadelphia to Shannon usually depart from Philadelphia (PHL) and arrive at Shannon (SNN).

  • Which airports do connecting flights from Philadelphia to Shannon pass through?

    One-stop flights from Philadelphia to Shannon most commonly connect through:

    • London Heathrow (LHR) – 62% of one-stop connections
    • Boston Logan Intl (BOS) – 33% of one-stop connections
    • Chicago O'Hare Intl (ORD) – 5% of one-stop connections

    London Heathrow (LHR) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Philadelphia to Shannon?

    Yes. Being flexible with your travel dates can save you up to 59% on the Philadelphia to Shannon route. Monday is the cheapest departure day at €448 return on average, while Tuesday is the most expensive at €1,073, a difference of €625. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How long is a flight from Philadelphia to Shannon?

    A direct flight from Philadelphia to Shannon takes 0h 00m, covering 8,196 km.

  • Do I need a passport to fly from Philadelphia to Shannon?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Philadelphia to Shannon changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about €621 to €2,034. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Philadelphia to Shannon looking right now?

    One-way fares from Philadelphia to Shannon are currently lower than usual. Average one-way flight prices are about €330, which is 32% below the typical average for this route.

  • How much time can I save by choosing a different stopover airport from Philadelphia to Shannon?

    Flying via Boston Logan Intl (BOS) gives the shortest average 1-stop total travel time of 10h 33m, compared to 12h 10m via London Heathrow (LHR) and 13h 10m via Chicago O'Hare Intl (ORD).

  • What is the time difference between Philadelphia and Shannon?

    Shannon is 5 hours ahead of Philadelphia (Irish Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which car hire options are available at Shannon Airport (SNN)?

    Shannon Airport (SNN) hosts 5 major car hire companies, with daily rates starting from around €3 for economy cars. Top options include:
    • Budget
    • Sixt
    • Europcar
    • Thrifty
    • Easirent

  • How much should I expect to pay for a Philadelphia to Shannon flight?

    Return flights from Philadelphia to Shannon range from €628 to €972, with an average of €717 over the past 12 months. Anything below €628 counts as a good deal.

Your guide to booking Philadelphia to Shannon flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure instead of Tuesday. On this route, Monday flights average €448 – about €625 less than Tuesday (58% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Philadelphia to Shannon trip for February. Fares historically average €377 return in that month – typically €1,165 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Shannon Airport.
    - Park Inn by Radisson Shannon Airport
    - Treacys Oakwood Hotel

More options for your flight from Philadelphia to Shannon

Complete your trip to Shannon with a hotel stay or car hire

Car hire in Shannon
Hotels in Shannon
Holidays in Shannon