Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ireland to Philadelphia from $304

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 8/28. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ireland to Philadelphia

Recent round-trip flight deals from Ireland to Philadelphia

Aer Lingus Logo
4:20 pm - 7:00 pmDUB-PHL
7h 40mnonstop
Aer Lingus Logo
8:30 pm - 8:10 amPHL-DUB
6h 40mnonstop
$417Aer Lingus
Find Deal
Mon, Sep 15 - Mon, Sep 22
Aer Lingus Logo
4:20 pm - 7:00 pmDUB-PHL
7h 40mnonstop
Aer Lingus Logo
8:30 pm - 8:10 amPHL-DUB
6h 40mnonstop
$421Aer Lingus
Find Deal
Mon, Sep 15 - Mon, Sep 22
British Airways Logo
7:25 pm - 2:15 pmDUB-PHL
22h 50m1 stop
British Airways Logo
7:45 pm - 2:20 pmPHL-DUB
13h 35m1 stop
$429British Airways
Find Deal
Sun, Oct 26 - Sun, Nov 2
British Airways Logo
8:35 am - 3:30 pmDUB-PHL
11h 55m1 stop
British Airways Logo
10:15 pm - 7:35 pmPHL-DUB
16h 20m1 stop
$431British Airways
Find Deal
Fri, Sep 5 - Sun, Sep 14
American Airlines Logo
1:10 pm - 4:15 pmDUB-PHL
32h 05m1 stop
American Airlines Logo
7:45 pm - 5:05 pmPHL-DUB
16h 20m1 stop
$437American Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
American Airlines Logo
10:30 am - 1:10 pmDUB-PHL
31h 40m1 stop
American Airlines Logo
7:45 pm - 12:35 pmPHL-DUB
11h 50m1 stop
$439American Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
Iberia Logo
9:30 am - 11:45 amDUB-PHL
7h 15mnonstop
Iberia Logo
6:50 pm - 6:30 amPHL-DUB
6h 40mnonstop
$448Iberia
Find Deal
Thu, Sep 4 - Thu, Sep 11
Iberia Logo
9:30 am - 11:45 amDUB-PHL
7h 15mnonstop
Iberia Logo
6:50 pm - 6:30 amPHL-DUB
6h 40mnonstop
$451Iberia
Find Deal
Fri, Sep 5 - Sun, Sep 14
Finnair Logo
9:30 am - 11:45 amDUB-PHL
7h 15mnonstop
Finnair Logo
6:50 pm - 6:30 amPHL-DUB
6h 40mnonstop
$460Finnair
Find Deal
Thu, Sep 4 - Thu, Sep 11
Finnair Logo
9:30 am - 11:45 amDUB-PHL
7h 15mnonstop
Finnair Logo
6:50 pm - 6:30 amPHL-DUB
6h 40mnonstop
$462Finnair
Find Deal
Fri, Sep 5 - Sun, Sep 14

Aer Lingus flights from Ireland to Philadelphia

Our best Aer Lingus deals on Ireland to Philadelphia flight tickets
Aer Lingus
Sep 15
DUB4:20 pmDublin
7h 40m
PHL7:00 pmPhiladelphia
Sep 22
PHL8:30 pmPhiladelphia
6h 40m
DUB8:10 amDublin
$417
Find similar
Aer Lingus
Sep 15
DUB4:20 pmDublin
7h 40m
PHL7:00 pmPhiladelphia
Sep 22
PHL8:30 pmPhiladelphia
6h 40m
DUB8:10 amDublin
$421
Find similar
Aer Lingus
Sep 3
DUB4:20 pmDublin
7h 40m
PHL7:00 pmPhiladelphia
Sep 12
PHL8:30 pmPhiladelphia
6h 40m
DUB8:10 amDublin
$424
Find similar

American Airlines flights from Ireland to Philadelphia

Our best American Airlines deals on Ireland to Philadelphia flight tickets
American Airlines
Dec 4
DUB1:10 pmDublin
32h 05m
1 stop
PHL4:15 pmPhiladelphia
Dec 8
PHL7:45 pmPhiladelphia
16h 20m
1 stop
DUB5:05 pmDublin
$437
Find similar
American Airlines
Dec 4
DUB10:30 amDublin
31h 40m
1 stop
PHL1:10 pmPhiladelphia
Dec 8
PHL7:45 pmPhiladelphia
11h 50m
1 stop
DUB12:35 pmDublin
$439
Find similar
American Airlines
Sep 4
DUB8:35 amDublin
11h 55m
1 stop
PHL3:30 pmPhiladelphia
Sep 13
PHL10:15 pmPhiladelphia
11h 10m
1 stop
DUB2:25 pmDublin
$440
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 August 2, 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

Mon 9/15

4:20 pm-7:00 pm

Nonstop7h 40m

Philadelphia

Mon 9/22

8:30 pm-8:10 am

Nonstop6h 40m

$417

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Mon 9/15

4:20 pm-7:00 pm

Nonstop7h 40m

Philadelphia

Mon 9/22

8:30 pm-8:10 am

Nonstop6h 40m

$421

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sun 10/26

7:25 pm-2:15 pm

1 stop22h 50m

Philadelphia

Sun 11/2

7:45 pm-2:20 pm

1 stop13h 35m

$429

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 9/5

8:35 am-3:30 pm

1 stop11h 55m

Philadelphia

Sun 9/14

10:15 pm-7:35 pm

1 stop16h 20m

$431

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 12/4

1:10 pm-4:15 pm

1 stop32h 05m

Philadelphia

Mon 12/8

7:45 pm-5:05 pm

1 stop16h 20m

$437

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 12/4

10:30 am-1:10 pm

1 stop31h 40m

Philadelphia

Mon 12/8

7:45 pm-12:35 pm

1 stop11h 50m

$439

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 9/4

9:30 am-11:45 am

Nonstop7h 15m

Philadelphia

Thu 9/11

6:50 pm-6:30 am

Nonstop6h 40m

$448

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 9/5

9:30 am-11:45 am

Nonstop7h 15m

Philadelphia

Sun 9/14

6:50 pm-6:30 am

Nonstop6h 40m

$451

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 9/4

9:30 am-11:45 am

Nonstop7h 15m

Philadelphia

Thu 9/11

6:50 pm-6:30 am

Nonstop6h 40m

$460

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 9/5

9:30 am-11:45 am

Nonstop7h 15m

Philadelphia

Sun 9/14

6:50 pm-6:30 am

Nonstop6h 40m

$462

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $502, are often lower during this time because this is during the off-season. The month of February is another great option to travel to Philadelphia, with average flight prices from Ireland averaging around $510.

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 $696. On the other hand, Friday 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 $786.

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 $736. 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 $763.

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 $518 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

$304

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 $304. The best round-trip flight deal from Ireland to Philadelphia found on momondo in the last 72 hours is $417.
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
Aer LingusPriceFrom $399Free CancellationRating
7.1
1,193 reviews
Search Aer Lingus flights
FinnairPriceFrom $406Free CancellationRating
7.6
1,317 reviews
Search Finnair flights
American AirlinesPriceFrom $416Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom $443Free CancellationRating
7.0
2,862 reviews
Search Iberia flights
British AirwaysPriceFrom $604Free CancellationRating
6.6
7,224 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
Rehoboth Beach
Cape May
Ocean City
Wildwood Crest
King of Prussia
Reading
Dewey Beach
Newark
Dover
North Wildwood
Cherry Hill
Lewes
Avalon
Stone Harbor
Vineland
Exton
Essington
New Castle
Pottstown

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.

An easier way to manage your Philadelphia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 8/7
Thu 8/14
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States