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Cheap flights from Ireland to Philadelphia from $264

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Philadelphia departing on 10/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ireland to Philadelphia

Recent round-trip flight deals from Ireland to Philadelphia

Aer Lingus Logo
1:00 pm - 4:00 pmDUB-PHL
8h 00mnonstop
Aer Lingus Logo
5:30 pm - 5:05 amPHL-DUB
6h 35mnonstop
$410Aer Lingus
Find Deal
Fri, Nov 14 - Mon, Nov 17
Aer Lingus Logo
4:20 pm - 7:00 pmDUB-PHL
7h 40mnonstop
Aer Lingus Logo
5:30 pm - 5:05 amPHL-DUB
6h 35mnonstop
$411Aer Lingus
Find Deal
Thu, Oct 16 - Wed, Nov 5
Aer Lingus Logo
4:20 pm - 7:00 pmDUB-PHL
7h 40mnonstop
Aer Lingus Logo
8:30 pm - 8:10 amPHL-DUB
6h 40mnonstop
$413Aer Lingus
Find Deal
Tue, Oct 7 - Mon, Oct 20
British Airways Logo
11:30 am - 2:45 pmDUB-PHL
7h 15mnonstop
British Airways Logo
6:35 pm - 9:50 amPHL-DUB
10h 15m1 stop
$431British Airways
Find Deal
Fri, Oct 31 - Thu, Nov 6
British Airways Logo
8:35 am - 3:30 pmDUB-PHL
11h 55m1 stop
British Airways Logo
10:15 pm - 2:35 pmPHL-DUB
11h 20m1 stop
$434British Airways
Find Deal
Thu, Sep 25 - Wed, Oct 1
American Airlines Logo
1:25 pm - 2:15 pmDUB-PHL
28h 50m1 stop
American Airlines Logo
6:35 pm - 12:10 pmPHL-DUB
12h 35m1 stop
$441American Airlines
Find Deal
Tue, Oct 28 - Tue, Dec 2
American Airlines Logo
11:30 am - 1:55 pmDUB-PHL
7h 25mnonstop
American Airlines Logo
3:08 pm - 9:35 amPHL-DUB
13h 27m2 stops
$442American Airlines
Find Deal
Fri, Dec 19 - Tue, Dec 30
Iberia Logo
11:30 am - 2:45 pmDUB-PHL
7h 15mnonstop
Iberia Logo
9:15 pm - 8:40 amPHL-DUB
6h 25mnonstop
$450Iberia
Find Deal
Fri, Oct 31 - Thu, Nov 6
Iberia Logo
11:30 am - 1:55 pmDUB-PHL
7h 25mnonstop
Iberia Logo
9:10 pm - 8:40 amPHL-DUB
6h 30mnonstop
$456Iberia
Find Deal
Sat, Dec 27 - Thu, Jan 8
Finnair Logo
11:30 am - 1:55 pmDUB-PHL
7h 25mnonstop
Finnair Logo
9:10 pm - 8:40 amPHL-DUB
6h 30mnonstop
$485Finnair
Find Deal
Fri, Dec 19 - Thu, Jan 1

Aer Lingus flights from Ireland to Philadelphia

Our best Aer Lingus deals on Ireland to Philadelphia flight tickets
Aer Lingus
Nov 14
DUB1:00 pmDublin
8h 00m
PHL4:00 pmPhiladelphia
Nov 17
PHL5:30 pmPhiladelphia
6h 35m
DUB5:05 amDublin
$410
Find similar
Aer Lingus
Oct 16
DUB4:20 pmDublin
7h 40m
PHL7:00 pmPhiladelphia
Nov 5
PHL5:30 pmPhiladelphia
6h 35m
DUB5:05 amDublin
$411
Find similar
Aer Lingus
Oct 7
DUB4:20 pmDublin
7h 40m
PHL7:00 pmPhiladelphia
Oct 20
PHL8:30 pmPhiladelphia
6h 40m
DUB8:10 amDublin
$413
Find similar

Delta flights from Ireland to Philadelphia

Our best Delta deals on Ireland to Philadelphia flight tickets
Delta
Oct 31
DUB5:55 amDublin
18h 09m
2 stops
PHL8:04 pmPhiladelphia
Nov 6
PHL5:40 pmPhiladelphia
10h 40m
1 stop
DUB9:20 amDublin
$466
Find similar
Delta
Sep 25
DUB5:55 amDublin
15h 57m
2 stops
PHL4:52 pmPhiladelphia
Oct 1
PHL1:35 pmPhiladelphia
13h 40m
2 stops
DUB8:15 amDublin
$467
Find similar
Delta
Oct 29
DUB1:25 pmDublin
24h 05m
2 stops
PHL9:30 amPhiladelphia
Nov 5
PHL1:42 pmPhiladelphia
17h 58m
2 stops
DUB12:40 pmDublin
$468
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ireland 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, momondo users made 832,500 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Ireland to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 11/14

1:00 pm-4:00 pm

Nonstop8h 00m

Philadelphia

Mon 11/17

5:30 pm-5:05 am

Nonstop6h 35m

$410

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 10/16

4:20 pm-7:00 pm

Nonstop7h 40m

Philadelphia

Wed 11/5

5:30 pm-5:05 am

Nonstop6h 35m

$411

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Tue 10/7

4:20 pm-7:00 pm

Nonstop7h 40m

Philadelphia

Mon 10/20

8:30 pm-8:10 am

Nonstop6h 40m

$413

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 10/31

11:30 am-2:45 pm

Nonstop7h 15m

Philadelphia

Thu 11/6

6:35 pm-9:50 am

1 stop10h 15m

$431

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 9/25

8:35 am-3:30 pm

1 stop11h 55m

Philadelphia

Wed 10/1

10:15 pm-2:35 pm

1 stop11h 20m

$434

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Tue 10/28

1:25 pm-2:15 pm

1 stop28h 50m

Philadelphia

Tue 12/2

6:35 pm-12:10 pm

1 stop12h 35m

$441

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 12/19

11:30 am-1:55 pm

Nonstop7h 25m

Philadelphia

Tue 12/30

3:08 pm-9:35 am

2 stops13h 27m

$442

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 10/31

11:30 am-2:45 pm

Nonstop7h 15m

Philadelphia

Thu 11/6

9:15 pm-8:40 am

Nonstop6h 25m

$450

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sat 12/27

11:30 am-1:55 pm

Nonstop7h 25m

Philadelphia

Thu 1/8

9:10 pm-8:40 am

Nonstop6h 30m

$456

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 12/19

11:30 am-1:55 pm

Nonstop7h 25m

Philadelphia

Thu 1/1

9:10 pm-8:40 am

Nonstop6h 30m

$485

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Philadelphia from

How to get the cheapest flight ticket from Ireland to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Ireland is in April. Flight prices, which tend to average around $504, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Philadelphia, with average flight prices from Ireland averaging around $529.

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from Ireland to Philadelphia is on a Thursday. Travelers who choose to depart for Philadelphia on a Thursday will often find tickets for as low as $673. On the other hand, Saturday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $783.

What is the cheapest time of day to depart on your flight to Philadelphia?

According to our data, the cheapest time of day to fly to Philadelphia is in the morning. momondo users have found flights departing from Ireland to Philadelphia in the morning for as low as $730. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is at noon when prices are around $755.

What is the cheapest Ireland to Philadelphia flight route?

Fly from Dublin to Philadelphia for the best Ireland - Philadelphia flight prices

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

You are more likely to see cheaper flights to Philadelphia from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $621 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Ireland for as low as $524 on momondo.

What cabin class options are available on Ireland to Philadelphia flights?

There are 4 cabin classes available to choose from on Ireland to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ireland to Philadelphia flights?

No. A direct flight is the cheapest option for a flight between Ireland to Philadelphia.

Cheap Ireland to Philadelphia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Philadelphia

Best Price Found

$580

Fastest flight time

7h 15m

Direct flights

Every day

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from Ireland in the past 72 hours is $580. The best round-trip flight deal from Ireland to Philadelphia found on momondo in the last 72 hours is $522.
The fastest flight from Ireland to Philadelphia takes 7h 15m
Direct flights go from Ireland to Philadelphia every day.
There is 1 airport near Philadelphia: Philadelphia (PHL)
Search flight deals

  • When did momondo last update prices for flights from Ireland to Philadelphia Airport?

    Prices for flights from Ireland to Philadelphia Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ireland to Philadelphia Airport?

  • How old do you have to be to fly from Ireland to Philadelphia Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Philadelphia Airport.

  • What documentation or ID do you need to fly to Philadelphia Airport?

    The required travel and health documents for your Philadelphia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Philadelphia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Ireland to Philadelphia?

Best airlines flying from Ireland to Philadelphia

Compare and see reviews for airlines that fly from Ireland to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
FinnairPriceFrom $406Free CancellationRating
7.6
1,323 reviews
Search Finnair flights
American AirlinesPriceFrom $416Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Aer LingusPriceFrom $451Free CancellationRating
7.2
1,270 reviews
Search Aer Lingus flights
IberiaPriceFrom $463Free CancellationRating
7.0
2,924 reviews
Search Iberia flights
British AirwaysPriceFrom $604Free CancellationRating
6.6
7,361 reviews
Search British Airways flights

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Cape May
Rehoboth Beach
Ocean City
Wildwood Crest
King of Prussia
Dewey Beach
Reading
Newark
Cherry Hill
North Wildwood
Dover
Avalon
Lewes
Stone Harbor
Vineland
Essington
Pottstown
New Castle
West Chester

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Philadelphia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ireland to Philadelphia for you.

Can I find flights from Ireland to Philadelphia with flexible booking policies on momondo?

Yes. All flights to Philadelphia from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ireland to Philadelphia?

Once all potential Ireland to Philadelphia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ireland to Philadelphia right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Philadelphia from Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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