£248 Find Cheap Flights from Ireland to Philadelphia

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Philadelphia departing on 8/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Philadelphia

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Philadelphia
These are the airlines KAYAK users have selected most often from within our search results for flights to Philadelphia
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Cheap Flights from Ireland to Philadelphia

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Ireland to Philadelphia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Ireland to Philadelphia

Wed, 12 Nov - Sun, 30 Nov
Delta Logo
05:55 - 21:16DUB-PHL
20h 21m2 stops
Delta Logo
09:30 - 09:20PHL-DUB
18h 50m1 stop
£329Delta
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Fri, 26 Sep - Sun, 28 Sep
Delta Logo
05:55 - 21:16DUB-PHL
20h 21m2 stops
Delta Logo
13:15 - 08:15PHL-DUB
14h 00m2 stops
£330Delta
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Wed, 17 Sep - Mon, 29 Sep
British Airways Logo
09:30 - 11:45DUB-PHL
7h 15mdirect
British Airways Logo
18:30 - 11:50PHL-DUB
12h 20m1 stop
£333British Airways
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Wed, 12 Nov - Sun, 30 Nov
British Airways Logo
08:40 - 16:20DUB-PHL
12h 40m1 stop
British Airways Logo
18:40 - 12:10PHL-DUB
12h 30m1 stop
£335British Airways
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Wed, 12 Nov - Sun, 30 Nov
Finnair Logo
11:30 - 13:55DUB-PHL
7h 25mdirect
Finnair Logo
21:10 - 08:40PHL-DUB
6h 30mdirect
£346Finnair
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Wed, 12 Nov - Sun, 30 Nov
Finnair Logo
11:30 - 13:55DUB-PHL
7h 25mdirect
Finnair Logo
21:10 - 08:40PHL-DUB
6h 30mdirect
£347Finnair
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Wed, 10 Sep - Sun, 28 Sep
Iberia Logo
09:30 - 11:45DUB-PHL
7h 15mdirect
Iberia Logo
17:27 - 11:40PHL-DUB
13h 13m1 stop
£349Iberia
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Sat, 26 Jul - Sat, 2 Aug
Iberia Logo
09:30 - 11:45DUB-PHL
7h 15mdirect
Iberia Logo
13:50 - 08:30PHL-DUB
13h 40m2 stops
£432Iberia
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Fri, 25 Jul - Fri, 1 Aug
Aer Lingus Logo
09:30 - 11:45DUB-PHL
7h 15mdirect
Aer Lingus Logo
20:30 - 08:10PHL-DUB
6h 40mdirect
£577Aer Lingus
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Sat, 5 Jul - Sat, 19 Jul
Aer Lingus Logo
16:20 - 19:00DUB-PHL
7h 40mdirect
Aer Lingus Logo
18:45 - 06:30PHL-DUB
6h 45mdirect
£675Aer Lingus
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KAYAK's insights & trends for flights to Philadelphia

Get data-powered insights and trends into flights to Philadelphia to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly to Philadelphia?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights to Philadelphia, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights to Philadelphia is April, where tickets cost £369 on average for return flights. On the other hand, the most expensive months are July and June, where the average cost of tickets from Ireland is £549 and £514 respectively. For one-way flights, the best month to travel is April with an average price of £369.

What is a good deal for flights to Philadelphia?

If you’re looking for cheap airfare to Philadelphia, 25% of our users found tickets to Philadelphia for the following prices or less: From Dublin £427 return.

How far in advance should I book a flight to Philadelphia?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Philadelphia, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

Good to know - Cheap tickets from Ireland to Philadelphia

Low seasonMarch
High seasonJuly
Cheapest flight£248
Best time to beat the crowds (4% less expensive on average)
Most popular time to fly (20% more expensive on average)
Flight from Dublin to Philadelphia

FAQs - booking Philadelphia flights

  • How far is Philadelphia Airport from central Philadelphia?

    There are 7 miles between Philadelphia city centre and Philadelphia Airport.

  • What is the name of Philadelphia’s airport?

    Philadelphia is served by Philadelphia Airport, also commonly referred to as Philadelphia or Philadelphia Intl. The airport code is PHL.

  • How much is a flight to Philadelphia?

    On average, a flight to Philadelphia costs £490. The cheapest price found on KAYAK in the last 2 weeks cost £249 and departed from Dublin Airport.

  • What is the cheapest day to fly to Philadelphia?

    Based on KAYAK data, the cheapest day to fly to Philadelphia is Monday where round-trip tickets can be as cheap as £463. On the other hand, the most expensive day to fly is Sunday, where round-trip prices are £579 on average.

  • How does KAYAK find such low prices on flights to Philadelphia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Philadelphia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Philadelphia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Philadelphia is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights to Philadelphia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Philadelphia with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Philadelphia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Philadelphia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Philadelphia?

    The cheapest time of day to fly to Philadelphia is generally in the morning, when round-trip flights cost £678 on average. The most expensive time of day to fly to Philadelphia is generally in the evening, which is peak travel time and where the average cost of a ticket is £704.

  • How many direct flights to Philadelphia are there each week?

    Each week there are around 28 direct flights from within Ireland to Philadelphia. The most common day for departures is Thursday, with 14% of flights taking off on this day.

Top tips for finding cheap flights to Philadelphia

  • Looking for cheap airfare to Philadelphia? 25% of our users found round-trip tickets to Philadelphia for the following prices or less: Cheap flights to Philadelphia from Dublin £743
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Philadelphia flight deals.

Top 5 airlines serving from Ireland to Philadelphia

 
See real verified KAYAK customer reviews for airlines flying to Philadelphia. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from Ireland to Philadelphia. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with to Philadelphia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.6
FinnairOverall score based on 1290 reviews
6.7Food
7.6Boarding
7.4Comfort
6.9Entertainment
8.1Crew
Airline reviews

Do not use KAYAK or Finair for future travel. Unless you purchase the tickets directly from the airline, you were going to have a difficult time checking in. Kayak canceled my flights twice and ended up causing great difficulty in me getting back from Europe because they double sold my tickets between American Airlines and Finair. The event caused significant delays and led to me having to rebook my flights.

2.0 MediocreAnonymous, May 2025ORD - IND
Read more Finnair reviews

Do not use KAYAK or Finair for future travel. Unless you purchase the tickets directly from the airline, you were going to have a difficult time checking in. Kayak canceled my flights twice and ended up causing great difficulty in me getting back from Europe because they double sold my tickets between American Airlines and Finair. The event caused significant delays and led to me having to rebook my flights.

The staff were all particularly great. The plane was clean and fresh. The bassinet worked great. It was all very nice.

Boarding uncomfortable. Stewardess said I would have to check my carry on as there was no room in the overhead bins. Another passenger helped me find a spot.

Any flight that lands safely is a good flight. However our leg from Helsinki was delayed 1 hour with no explanation. The delay would not allow us to make our connection to Cincinnati. I was informed by American Airlines that our Cincinnati flight was rescheduled for the following day. I immediately made a non refundable hotel reservation in Dallas. Upon exiting the plane at Dallas I was given a hotel voucher. Nice, but I can't get a refund on the hotel I booked. A little communication would have been helpful. Food on Finnair is below quality of Korean Air.

The cabin crew really looked like they wanted to be somewhere else. They weren't really interested in providing an attentive service to full fare paying passengers at all. However the Captiain's in flight announcements were relaxed and very entertaining.

Crew were professional and responsive. Food was mediocre and breakfast could do with revampinmg

Food was very ordinary for premium economy, very small portions.

i dont know WHY they call it business class. the seats are NOT significantly wider than economy seats, they just do not let the middle seats be beepked to give the illusion of more space between passengers. the seats do NOT recline any more than economy seats either. the only real difference is the full meal served to business (vs none for economy). I would rather have a wider, lie flat ACTUAL business class seat with no food for a 3 hr flight. this was pretty disappointing to say the least.

There wore nice leather like sits, in my opinion seats lay out bit tight . Crew was great they did averything possible to make averywone comfortable as possible, food was, think worst I ever head on flight, head chicken and yellow rice. Ice cream was a nic treat.

Our previous flight was delayed but they waited for us to board.

The plane was probably full boarding was easy. We were able to check our carry-on luggage for free. It was a return flight through Philly to LA. Never saw a stewardess do a demonstration of emergency Procedures. I think my flight was pretty full

Overall, a good experience. The food, however, was subpar. The breakfast was a joke.

I was late from Jacksonville, FL but the limited interaction I had with the Philly crew was great.

The delays and cancellations kept me stuck in Miami for an additional 24 hours, and the whole thing seemed extremely disorganized

Everything was great except British airways lost our luggage that was gate checked all the way through to Italy. No one knows currently where one is and the other one may be in route to Amsterdam to meet us but not sure. If you can Hale’s it would be awesome. The website is not helpful.

Seats were roomy. Lavatories were surprisingly big and clean. Plenty of entertainment available. We were fed and offered drinks, multiple times during the flight.

Wonderful as usual except for other guests that were unruly and not kept in check by the Crew.

This was an overnight flight. There was no meal service in first class, just a simple snack basket was offered along with beverages. There should have been some type of continental breakfast prior to arrival in PHL. As an Executive Platinum American Airlines Advantage member, I received no name recognition from the first class flight attendant. When disembarking at PHL, the flight attendants were more interested in their cell phones than saying "thank you" to the passengers as they disembarked.

the pilot that landed this flight in Philadelphia did an amazing job, the weather was absolutely terrible and we landed safely.

The flight was just perfect! We left a few minutes early, had a smooth flight and fortunately had landed before the terrible accident that took off from North Philadelphia airport shortly thereafter.

I would definitely use a Linus again, the price was right, the service is excellent. No delays. Wish I had a direct flight from my hometown Detroit.

At check-in the unmanned machines said QR code was invalid so had to queue for over an hour to check in bags

There was no room in the seats, smallest room we've ever had and the food was awful.

i used to fly aer Lingus regularly but due to price - poor seating etc i have been using other carriers - i now have aer lingus in my state and the price is always the highest - i have flown to Ireland 11 times in last 24 months and have not used Hartford because of price

Nicest staff I’ve experienced on a plane! Good food, great entertainment, and they gave out little blankets that my kids loved. All in all, great experience.

The Glasgow to Dublin route was very efficiently boarded, flight and landing and disembarkation were all super smooth. Dublin to JFK flight I was very pleasantly surprised overall. This was my first time on Aer Lingus and having already come off the short regional flight I was curious to know how the international flight would go. Aircraft was solid, entertainment options were better than expected, flight crew were experienced and operated like clockwork. Main entree left a little something to be desired but the snack was very tasty. Boarding and disembarkation again very smooth and pilots got us in earlier than expected. Would definitely fly again

Unfortunately the flight was delayed for 50 min. Just as we were about to board so that was a drag. The boarding was average. The bag check in process was new to us and efficient. And the flight itself was smooth- basically no turbulence.

It was ok not that much because I always travel with Emirates airlines, Etihad, airlines, Qatar airlines compare to them food and comfortable was too low . Staff was good . Helpful

Noted in last review. Good to know, though air Lingus on European flights does not offer any food or drink, even though we were on the plane for 3 1/2 hours from Naples to Dublin everything you had to purchase even water.

Boarding seemed a bit chaotic and we had to walk outside across the tarmac. Passengers of all ages had to drag carry on luggage up the outside stairway into the aircraft. There was no WiFi. Very uncomfortable crammed seats. Glad in-air time was only an hour!

You get what you pay for. In general I like the service and flight attendants.

Excellent! Outstanding customer service, the best service I have received. Food was served, dinner, snacks, beverages, crew was there to greet you. 10/10

Charging $300 to be able to pick a seat next to your wife was nothing less than extortion.

My carry-on bag was taken from me when I boarded. It was checked through to London at no charge. It took a big of shuffling, but I was glad not to need to mind it until baggage claim.

Great to have power available for every seat in Premium Economy. I do wish the WiFi was less expensive. It was 23-24 Euros for the flight for one device. And there were times it was unavailable.

I’m very mad because I paid an extra $105 to change seats to an exit row with more leg room. The app clearly showed a gap in between the seats in the row I changed my seat to and I paid for it. When I boarded the plane, it wasn’t an exit row seat and no more room than my original seat. I feel like I was ripped off $105.

The crew on AA international flights in my experience are generally lazy, rude, and inefficient. These guys did not disappoint.

I had a great experience , crew was great and enjoyed the entertainment options I will be booking my next International trip with them .

Front desk was closed at 6 pm, I was unable to get my boarding pass and as such missed my connecting flight home.

I wish they could put the pre-tsa check on the tickets or global entry.

Better synchronizing the boarding processes. The audio announcements, the personnel and the digital signage were not saying the same thing. All confusion.

The first class seats were unusable, mine at the end of the flight, my husband's in the middle of the flight, and the one next to me was unusable either, they had to move the person to another seat.

Last minute gate change. Didn’t put our TSA global on our trip even though we asked multiple times to confirm. Did not help with food when could not eat what was served.

Our luggage didn’t arrive with us, that puts a damper on the whole trip.

The cabin was bit colder than I like but the crew members looked after us very well. They did even offer hot water bottle and hot chocolate. I cannot rate the crew enough excellent is not good enough. They really were wonderful.

Boarding is always a challenge as folks in al groups crowd around for no reason, but crew handled it well. I once again applaud the LHR ground baggage staff as they got our bags from a flight at Terminal 5A to a flight in Terminal 5C within 40 minutes...amazing!

This flight from London to Chicago was actually on an AA airline. I did book through BA but the flight was AA. Great flight, hectic in Chicago, I wouldn't choose to fly through Chicago again, but that's not the airlines fault. The flight itself was great.

Push back is not working when I complaint a male staff he told me that most of the seats are like that so we can’t do anything

Seats were way too small. I got claustrophobic waiting for trash from meal to be taken away. I couldn't move to even close my tray until trash was taken.

Was 3 hrs delayed and my poor friend I met in Barcelona was waiting at airport for 3 hrs. Dallas airport was awful

Travelling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Newark
Kennett Square
Dewey Beach
New Castle
Newport
Exton
Pottstown
Elkton
Camden
Vineland
Bird in Hand
Havre de Grace
Wyomissing
Wildwood Crest

Everything you need to know for your flight to Philadelphia

Information on the airport you'll fly into in Philadelphia

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