$297 Find Cheap Flights from Philadelphia to Ireland

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Philadelphia to Ireland departing on 4/21. 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, 0 bags

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Cheap Flights from Philadelphia to Ireland

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Dublin
Dublin1 stop$626
Shannon
Shannon1 stop$658
Cork
Cork2 stops$762
Milltown (Kerry)
Milltown (Kerry)1 stop$1,064
Dublin
Dublin1 stop$626
Shannon
Shannon1 stop$658
Cork
Cork2 stops$762
Milltown (Kerry)
Milltown (Kerry)1 stop$1,064

Book Cheap Philadelphia to Ireland Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Philadelphia to Ireland 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 round-trip flight deals from Philadelphia to Ireland

Fri, May 8 - Wed, May 13
JetBlue Logo
6:33 pm - 8:20 am
PHL
-
DUB
8h 47m
1 stop
JetBlue Logo
10:40 am - 5:38 pm
DUB
-
PHL
11h 58m
1 stop
$626JetBlue
Tue, May 5 - Tue, May 12
United Airlines Logo
7:45 pm - 7:20 am
PHL
-
DUB
30h 35m
1 stop
United Airlines Logo
9:50 am - 9:48 am
DUB
-
PHL
28h 58m
1 stop
$629United Airlines
Sun, May 10 - Tue, May 19
JetBlue Logo
8:24 am - 8:20 am
PHL
-
DUB
18h 56m
1 stop
JetBlue Logo
10:40 am - 5:38 pm
DUB
-
PHL
11h 58m
1 stop
$640JetBlue
Tue, May 5 - Tue, May 12
United Airlines Logo
10:00 am - 9:45 am
PHL
-
DUB
18h 45m
1 stop
United Airlines Logo
9:50 am - 3:38 pm
DUB
-
PHL
10h 48m
1 stop
$646United Airlines
Fri, May 1 - Fri, May 8
United Airlines Logo
7:45 pm - 10:40 am
PHL
-
DUB
9h 55m
1 stop
United Airlines Logo
9:20 am - 3:38 pm
DUB
-
PHL
11h 18m
1 stop
$647United Airlines
Wed, Aug 12 - Thu, Aug 20
Lufthansa Logo
3:25 pm - 10:10 am
PHL
-
SNN
13h 45m
2 stops
Lufthansa Logo
9:30 am - 9:21 pm
SNN
-
PHL
16h 51m
1 stop
$701Lufthansa
Sun, Aug 2 - Tue, Aug 11
Delta Logo
7:17 pm - 4:45 pm
PHL
-
ORK
16h 28m
2 stops
Delta Logo
6:15 am - 6:29 pm
ORK
-
PHL
17h 14m
2 stops
$762Delta
Fri, May 8 - Fri, May 15
Delta Logo
1:44 pm - 2:25 pm
PHL
-
ORK
19h 41m
2 stops
Delta Logo
10:50 am - 11:07 pm
ORK
-
PHL
17h 17m
2 stops
$854Delta
Sun, Aug 2 - Tue, Aug 11
British Airways Logo
7:35 pm - 3:10 pm
PHL
-
ORK
14h 35m
1 stop
British Airways Logo
8:30 pm - 4:10 pm
ORK
-
PHL
24h 40m
2 stops
$945British Airways
Sun, Aug 2 - Tue, Aug 11
British Airways Logo
7:35 pm - 10:45 am
PHL
-
ORK
10h 10m
1 stop
British Airways Logo
7:10 am - 3:35 pm
ORK
-
PHL
13h 25m
1 stop
$955British Airways
Booking Insights

KAYAK's insights & trends for Philadelphia to Ireland flights

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

What is the cheapest Philadelphia to Ireland flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Ireland from Philadelphia found in the last 72 hours was to Dublin, at $523 round-trip. The most popular route is from Philadelphia (PHL) to Dublin (DUB), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $523.

What is the cheapest time of day to fly to Ireland?

The average price for all round-trip flights from Philadelphia to Ireland depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Ireland is generally in the evening, when round-trip flights cost $733 on average. Morning departures are around 100% cheaper than evening flights, on average. The most expensive time of day to fly to Ireland is generally at night, which is peak travel time and where the average cost of a ticket is $746.

Can I save money by flying with a layover from Philadelphia to Ireland?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $685, prices are generally cheapest when you fly direct.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Philadelphia to Ireland, 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 from Philadelphia to Ireland is January, when tickets cost $540 (return) on average. On the other hand, the most expensive months are June and December, when the average cost of round-trip tickets is $986 and $797 respectively.

What’s the cheapest day of the week to fly from Philadelphia to Ireland?

The average price of all round-trip flights from Philadelphia to Ireland clicked on KAYAK for each day over the last 12 months.

For Philadelphia to Ireland, Wednesday is the cheapest day to fly on average and Saturday is the most expensive. Flying from Ireland back to Philadelphia, the best deals are generally found on Thursday, with Sunday being the most expensive.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Philadelphia to Ireland, 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 on the flight from Philadelphia to Ireland, you should book around 7 weeks before departure, which saves you about 14% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 15 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$297
Best time to beat the crowds with an average 22% drop in price.
Most popular time to fly and prices are also 16% lower on average.
Flight from Philadelphia to Dublin

FAQs - booking Ireland flights

  • What is the closest airport to Swords, Ireland?

    Passengers visiting the town of Swords should fly into Dublin Airport. Swords is approximately three miles from Dublin Airport, and going north takes you directly to the city. Your fastest transportation option is by taxi, which are available at the airport.

  • Are there any alternative airports to Philadelphia for flights to Ireland?

    Trenton International Airport offers multiple two-stop flights daily to Dublin. Passengers often find Trenton less congested, depending on the day. In addition, fares might be cheaper if you fly on less-traveled days. Domestic layovers vary in time, so it’s best to use the KAYAK app to check schedules so you can more accurately plan your trip.

  • Are there any places to relax at Dublin Airport after my flight?

    Dublin International Airport has exclusive lounges and many restaurants in Terminals 1 and 2, where you’ll find everything from fast food to more eclectic cuisine to Italian dishes to healthy salads. A relaxing spa treatment at the airport can also help you unwind after a long flight.

  • Is it possible to fly to other international locations from Cork Airport in Ireland?

    Passengers will be glad to know there are multiple one-stop and direct flights to many other locations in Europe from Ireland with a variety of carriers. Cork Airport is an international airport in addition to serving domestic flights. For all your options, check the KAYAK app for everything travel.

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

    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 from Philadelphia to Ireland.

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

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

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

    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 from Philadelphia to Ireland 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 from Philadelphia to Ireland?

    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 from Philadelphia to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Ireland

  • For travel from Philadelphia to Ireland, multiple one-stop flights depart daily from early afternoon to evening. For the return trip, non-stop flights are available, depending on the day you travel.
  • There are three international airports in Ireland receiving flights from Philadelphia. The busiest is Dublin Airport, but Shannon Airport is also popular for transatlantic flights. The choice of three airports gives you flexibility for your trip to Ireland.
  • For passengers wishing to travel domestically once in Ireland, multiple flights are available from Cork Airport to Dublin. Nearly all the flights are one-stop flights, and most leave in the afternoon to late evening.
  • Passengers waiting to fly to Ireland from Philadelphia International Airport can take advantage of the Be Relax health spa in Terminal C, which offers full relaxation spa services like massages and skincare.
  • Passengers flying to Ireland from the Philadelphia area should also consider Atlantic City International Airport. It often is less crowded, and fares may be lower, depending on the day you travel. This airport is also easily accessible. Most of the flights have two or three layovers, departing all day.
  • If you’re flying into Cork Airport for your trip to Ireland, you will have a variety of transportation options that are easily accessible. Buses 226 and 226a will take you from the airport to the city center. You can also rent a car or take a taxi from the airport.
  • Dublin Airport offers business travelers state-of-the-art lounges with full-service business technology. Comfortable couches and tables enable you to enjoy a meal and beverage while tending to business before your flight. Charging stations and business journals are also available in all lounges.

Reviews of the top 5 airlines serving from Philadelphia to Ireland

 
Need help choosing which airline to fly with from Philadelphia to Ireland? 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.
7.7
FinnairOverall score based on 1374 reviews
7.5Comfort
6.7Food
6.9Entertainment
8.2Crew
7.7Boarding
Airline reviews

Great if not for the boarding by bus at Heathrow terminal 3. Medieval disappointing time-consuming and very hard on handicapped flyers. It was awful

10.0 ExcellentFrancesca, Mar 2026
LHR - BOS
Read more Finnair reviews

Great if not for the boarding by bus at Heathrow terminal 3. Medieval disappointing time-consuming and very hard on handicapped flyers. It was awful

Business seating is soooo uncomfortable. You can sit straight up or lay down. You need pillows behind you because the back doesn’t lay down. Those are need to “prop” you up. The chair has no padding whatsoever. Food was gross. I’ve eaten on Finnair before and the food was exceptional. This time it gave 2 people in our party diarrhea. It was the chicken dish. I took 2 bites and didn’t eat anything more. The flight attendants were nice. You needed an additional lounge in Terminal D at DFW Airport. After waiting 40 minutes to enter, we finally gave up and went to a bar across from the club doors. I’m unsure if I’ll ever book a Finnair flight again.

Very good seat, very comfortable, good food, and good service.

It was a good flight, very comfortable seats for sleeping in business class. Probably the most comfortable business class seat I've ever had (20+ times in business class on various airlines). Service was good, but the only downside is my screen didn't work and it had to be reset multiple times to get it to shut off. I had to block my eyes because the screen was white almost the entire flight and I wore an eye mask when I slept. But when eating and reading in my seat, my eyes hurt because the only way to turn the screen off was reset it and the screen would only be off for a few minutes at a time.

Everything was wonderful! AirBus seats are more comfortable to sleep in as compared to the Boeing planes.

All reviews good because...flight from BWI to London ,economy seats was miserable. I usually book 1,step up from economy but this would have added 1500 bucks 1 way. Bit the bullet and upgraded for retun flight, otherwise all ratings would have been rock bottom.

Great. It was awesome to have boarding from the front and back of the plane as it made the process go very quickly

It was okay. The airplane was a little smaller than a flight from Thailand to Helsinki.

Wish that everyone would board the back of the plane first. Also let kids on first. The gate wasn’t open at arrival and we waited 45 minutes to takeoff. They made up for time in the air.

We had an excellent trip with Finnair. This was our first time and we’re very pleased. The only issue was with the boarding - it was a little bit confusing and needs a little bit of streamlining.

I flew economy class. Seats were very good and the crew was excellent

I had a great experience. I would definitely use them again

The pre-check (passport control) for all US flights from Dublin airport is brilliant, meaning these flights come into the domestic airport in the US - it was so quick and easy getting to my hotel once we landed. The plane itself was great, staff were lovely and food was fine.

Punctual, smooth flight. Crew excellent and cabin very clean. Paid for WiFi but once you close out you cannot get back in even if you paid for entire flight.

Flight crew was superb. Meal was one of the meals at altitude I’ve had

One of the best flight experience I have had in along time. Would fly with them again.

Like getting a bus. No great luxury but will get you there

Got us to destination alive, albeit a bit late. Luggage was left behind. No live tracking app available (available on some other airlines). Supposedly going to be delivered in next couple of days.

The trip was mostly nice, till the last moment when they had some issue with opening the flight door. The flight arrived late by 10 minutes, which was ok-ish, but then we got stuck on the plane for 35 minutes at the bridge and that costed our connection flight to LAX which left with 12+ passengers still on our flight. It added 2 days to our trip home, and we had to make lots of rearrangements to deal with the ripple effects. Don't book a 1+ stop trip with a layover time less than 2 hours.

My seat was broken. No sound available and the armrest between my wife and I was broken so it could only fold halfway up. Seats were a big close together so they felt a bit claustrophobic. Boarding was a little frustrating in Dublin as there is not sufficient room to actually queue up. Boarding was also frustrating for people behind me who were unable to use the overhead due to people abusing the privilege and putting more than one item each up there. Staff was friendly and helpful to those people.

I appreciate that I finally got the seat I paid extra for this time. Thank you

Half of the TSA checkpoints at PHL are closed. Also, there is no standby for first class passengers. You can only standby for coach. Very dated policy and inconsistent with peers.

It would have been nice if American tried to care.

Delayed initially because they couldn’t print the flight details. Poor instruction on delay. When I got on the plane the flight attendant argued with me about whether my carry on would fit (it did, although she didn’t acknowledge that). No greeting (other than arguing with me) getting on or off the plane.

Beverage service was not good. Also just one service in 5 hr 30 min flight. No ask fir water ir anything beside one time beverage service.

They are always late and seats was also not having working charger

Broke my luggage and I can't get a resolution yet.

My flight to London from Philadelphia was cancelled due to weather.

This flight captain and crew were amazing, started ahead of time of departure and reached 30 mins before arrival time. Amazing!

Long delays, lack of information about the status of the flight. The flight was delayed 4 times.

Awful. They didn't even show concern that her connecting flight( Dallas to Mardrid) was gone/missing. I don't understand how that is even possible. Rudest answer from one of the crew was that American Airlines sold the tickets to somebody else. My daughter was not in the list.

The flight was canceled on a Thursday last minute. I lost thousands of dollars in hotels and car rental

Excellent lie flat seat for premium economy! Great staff. Bad food . Not so great entertainment. My bag didn’t make it either.

Really like the idea experience on this airline I will use again

Plane delayed due to weather. Plane boarded, then told to unboard due to a maintenance issue.

the seats were so cramped you could barely move. it was difficult to eat when passengers would recline their seats. the seats were so flimsy and unstable that whenever someone got in and out of their seat, it bounced like a spring back in your face. the movies were nice. the food was terrible. even though the conditions were terrible, they tried to pressure passengers to relocate their seats to accommodate adults who were related and wanted to sit next to each other, even after the passengers expressed that they did not want to move for that purpose. on the connecting flight, the “service” consisted of items for purchase. even though the flight was only 45 minutes, once again passengers (including me) were pressured to relocate for people to sit next to each other. they couldn’t be apart for 45 minutes? this was much less compelling than being apart for an 8 hour flight.

Everything went smoothly, and we even arrived 40min earlier than scheduled, on an Orland-Madrid route.

The staff was very nice and helpful. Some of the best crew I have met.

Suddenly, I don't find my flight back on the app Help Ticket 0757345716866 Hoeflich Flight back Sunday ib5333 Ib2629 Ib4268

Was all good.l including a sofdrink. AA improved significantly. There was no entertainment.

WiFi wasn’t available to economy until the end of the flight.

Very good staff members with sincere passion and responsibility in their job.

We paid for Business Class seats, but system did not have us and they were not available.

Very please with the seating that the Kayak staff booked for us!

Worth every penny to upgrade to BC. Treated and felt more like First Class

I paid for a very expensive Business Class seat to and from Cairo Egypt from Charleston SC. There was partnership from states to London using American Airlines. That leg was amazing. The British Airlines leg was a joke. They used the standard no leg room 3 by 3 seats. A tray was put on the middle seat. The trip was 5 hours, from London to Cairo, thus my BC purchase. There was no screen proving tv/movie options, only a small device plug. The fold down tray and the bag of peanuts were typical of normal short run flying. The one toilet was located in the galley. We all got to know each other well. This was my first and last trip with British Airlines. I now understand why they would NEVER give me a seat chart so that I could make a selection.prior to departure. It honestly would not have made a difference, there were less than 50% of occupied seats. Apparently everyone got the memo but me. I have never felt so cheated as with that trip, got to so another going back to London, yeah. I will be sending a letter to customer service and asking for a refund. I will be photos comparing the two BC legs. OH, one more thing. The FC ticket holders got bulkhead and exit row seats. I know they had to be thrilled

Good service, food and comfort in World Traveller Plus. Entertainment was poor - no wifi on the way out and barely working on the way back. Not a great choice of entertainment on the seat back tv.

Late! Late and late! More than 1hr 30mn. This sucks when it is the last of a 4 flight journey. I missed my dinner! Which is not nice on Valentine’s Day!!! But better than the gate next to us, the poor Chinese people were rebooked to the next day flight. AA had to call security as it became very heated with the passengers! It was a mess at DFW that afternoon/evening. I wish they had some food for the people who travel as part of international journey. Indigo does it in India and it is fantastic.

They had us seating down for one hour just waiting on the plane

Flying with BA is always a good experience—even in economy class. It is better if in business and first class. Timely, breeze through security and timely connections

Everything you need to know for your flight from Philadelphia to Ireland

Information on your arrival and departure airports