Cheap flights from Philadelphia to Ireland from $235

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Ireland departing on 3/3. 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.

Find the cheapest flights from Philadelphia to Ireland

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
7:50 pm - 4:45 pm
PHL
-
SNN
15h 55m1 stop
British Airways Logo
8:05 pm - 2:05 pm
SNN
-
PHL
23h 00m2 stops
$389British Airways
Mon, Feb 2 - Mon, Feb 9
British Airways Logo
4:51 pm - 4:45 pm
PHL
-
SNN
18h 54m2 stops
British Airways Logo
8:05 pm - 2:05 pm
SNN
-
PHL
23h 00m2 stops
$399British Airways
Mon, Jan 12 - Mon, Jan 19
British Airways Logo
7:50 pm - 7:25 pm
PHL
-
SNN
18h 35m1 stop
British Airways Logo
8:05 pm - 1:30 pm
SNN
-
PHL
22h 25m1 stop
$400British Airways
Mon, Feb 2 - Mon, Feb 9
British Airways Logo
11:50 am - 11:20 am
PHL
-
SNN
18h 30m2 stops
British Airways Logo
9:15 pm - 2:55 pm
SNN
-
PHL
22h 40m2 stops
$401British Airways
Tue, Apr 7 - Tue, Apr 14
British Airways Logo
6:45 pm - 11:20 am
PHL
-
SNN
11h 35m1 stop
British Airways Logo
7:40 am - 7:00 pm
SNN
-
PHL
16h 20m2 stops
$403British Airways
Tue, Apr 7 - Tue, Apr 14
British Airways Logo
4:45 pm - 11:30 am
PHL
-
SNN
13h 45m2 stops
British Airways Logo
7:40 am - 3:30 pm
SNN
-
PHL
12h 50m1 stop
$405British Airways
Mon, Mar 2 - Thu, Apr 2
Air Canada Logo
4:05 pm - 7:10 am
PHL
-
DUB
10h 05m1 stop
Air Canada Logo
9:00 am - 2:47 pm
DUB
-
PHL
34h 47m2 stops
$456Air Canada
Sun, Feb 22 - Sun, Mar 1
United Airlines Logo
7:50 am - 7:10 am
PHL
-
DUB
18h 20m1 stop
United Airlines Logo
9:00 am - 2:24 pm
DUB
-
PHL
34h 24m2 stops
$461United Airlines
Fri, Feb 27 - Fri, Mar 6
Multiple Airlines Logo
8:25 pm - 5:35 pm
PHL
-
KIR
16h 10m1 stop
Multiple Airlines Logo
5:45 pm - 6:55 pm
KIR
-
PHL
30h 10m1 stop
$1,053Multiple Airlines
Thu, Jun 4 - Wed, Jun 10
Multiple Airlines Logo
8:25 pm - 1:45 pm
PHL
-
KIR
12h 20m2 stops
Multiple Airlines Logo
10:40 am - 6:55 pm
KIR
-
PHL
13h 15m1 stop
$1,153Multiple Airlines
Thu, Jun 4 - Wed, Jun 10

United Airlines flights from Philadelphia to Ireland

Our best United Airlines deals on Philadelphia to Ireland flight tickets
United Airlines
Jan 9
PHL10:10 amPhiladelphia
17h 00m
1 stop
DUB8:10 amDublin
Jan 16
DUB9:00 amDublin
34h 31m
2 stops
PHL2:31 pmPhiladelphia
$458
United Airlines
Feb 27
PHL7:50 amPhiladelphia
18h 20m
1 stop
DUB7:10 amDublin
Mar 6
DUB9:00 amDublin
34h 24m
2 stops
PHL2:24 pmPhiladelphia
$461
United Airlines
Jan 9
PHL10:10 amPhiladelphia
16h 20m
2 stops
DUB7:30 amDublin
Jan 14
DUB9:00 amDublin
32h 07m
2 stops
PHL12:07 pmPhiladelphia
$462

Iberia flights from Philadelphia to Ireland

Our best Iberia deals on Philadelphia to Ireland flight tickets
Iberia
Jan 15
PHL7:55 pmPhiladelphia
32h 00m
1 stop
DUB8:55 amDublin
Jan 19
DUB9:40 amDublin
35h 00m
1 stop
PHL3:40 pmPhiladelphia
$508
Iberia
Jan 22
PHL9:10 pmPhiladelphia
6h 30m
DUB8:40 amDublin
Jan 25
DUB11:30 amDublin
7h 35m
PHL2:05 pmPhiladelphia
$520

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Ireland 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 January 8, 2026.
Use the filters below to find and compare flights from Philadelphia to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Mon 2/2

7:50 pm-4:45 pm

1 stop15h 55m

Shannon

Mon 2/9

8:05 pm-2:05 pm

2 stops23h 00m

$389

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Mon 1/12

4:51 pm-4:45 pm

2 stops18h 54m

Shannon

Mon 1/19

8:05 pm-2:05 pm

2 stops23h 00m

$399

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Mon 2/2

7:50 pm-7:25 pm

1 stop18h 35m

Shannon

Mon 2/9

8:05 pm-1:30 pm

1 stop22h 25m

$400

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Tue 4/7

11:50 am-11:20 am

2 stops18h 30m

Shannon

Tue 4/14

9:15 pm-2:55 pm

2 stops22h 40m

$401

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Tue 4/7

6:45 pm-11:20 am

1 stop11h 35m

Shannon

Tue 4/14

7:40 am-7:00 pm

2 stops16h 20m

$403

PhiladelphiaShannon

PHL - SNN

PHLSNN

Philadelphia

Mon 3/2

4:45 pm-11:30 am

2 stops13h 45m

Shannon

Thu 4/2

7:40 am-3:30 pm

1 stop12h 50m

$405

PhiladelphiaDublin

PHL - DUB

PHLDUB

Philadelphia

Sun 2/22

4:05 pm-7:10 am

1 stop10h 05m

Dublin

Sun 3/1

9:00 am-2:47 pm

2 stops34h 47m

$456

PhiladelphiaDublin

PHL - DUB

PHLDUB

Philadelphia

Fri 2/27

7:50 am-7:10 am

1 stop18h 20m

Dublin

Fri 3/6

9:00 am-2:24 pm

2 stops34h 24m

$461

PhiladelphiaMilltown (Kerry)

PHL - KIR

PHLKIR

Philadelphia

Thu 6/4

8:25 pm-5:35 pm

1 stop16h 10m

Milltown (Kerry)

Wed 6/10

5:45 pm-6:55 pm

1 stop30h 10m

$1,053

PhiladelphiaMilltown (Kerry)

PHL - KIR

PHLKIR

Philadelphia

Thu 6/4

8:25 pm-1:45 pm

2 stops12h 20m

Milltown (Kerry)

Wed 6/10

10:40 am-6:55 pm

1 stop13h 15m

$1,153

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to Ireland from

How to get the cheapest flight ticket from Philadelphia to Ireland

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 Ireland?

In general, February is the cheapest month to fly from Philadelphia to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $518. If you aren’t able to travel to Ireland during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $522.

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

The cheapest day to depart on your flight to Ireland is on a Wednesday when prices can be found for as low as $714. This is often the case because there is less demand to fly during this day of the week. Flights from Philadelphia to Ireland on a Saturday will generally be more expensive and average around $880. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Ireland is in the afternoon. momondo users have found flights departing from Philadelphia to Ireland in the afternoon for as low as $776. 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 Ireland is in the evening when prices are around $778.

What is the cheapest Philadelphia to Ireland flight route?

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

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

You are more likely to see cheaper flights to Ireland from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $695 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Philadelphia for as low as $626 on momondo.

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

There are 4 cabin classes available to choose from on Philadelphia to Ireland 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 Philadelphia to Ireland flights?

You could potentially save up to 13% on your flight if you consider stops on a Philadelphia to Ireland flight.

Cheap Philadelphia to Ireland flight deals and tips

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

Best Price Found

$414

Fastest flight time

6h 15m

Direct flights

Every day

Airports in Ireland

77 airports
The best one-way flight to Ireland from Philadelphia in the past 72 hours is $414. The best round-trip flight deal from Philadelphia to Ireland found on momondo in the last 72 hours is $564.
The fastest flight from Philadelphia to Ireland takes 6h 15m
Direct flights go from Philadelphia to Ireland every day.
There are 77 airports in Ireland. From Philadelphia there are direct flights to Dublin (DUB).
  • When did momondo last update prices for flights from Philadelphia Airport to Ireland?

    Prices for flights from Philadelphia Airport to Ireland are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Philadelphia to Ireland

Compare and see reviews for airlines that fly from Philadelphia to Ireland with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $117Free CancellationRating
7.2
2,892 reviews
Search JetBlue flights
DeltaPriceFrom $137Free CancellationRating
7.9
8,032 reviews
Search Delta flights
United AirlinesPriceFrom $454Free CancellationRating
7.4
9,142 reviews
Search United Airlines flights
Aer LingusPriceFrom $455Free CancellationRating
7.2
1,429 reviews
Search Aer Lingus flights
IberiaPriceFrom $457Free CancellationRating
7.0
3,079 reviews
Search Iberia flights
British AirwaysPriceFrom $461Free CancellationRating
6.7
7,659 reviews
Search British Airways flights
FinnairPriceFrom $463Free CancellationRating
7.6
1,346 reviews
Search Finnair flights
American AirlinesPriceFrom $488Free CancellationRating
7.2
11,097 reviews
Search American Airlines flights
Air CanadaPriceFrom $560Free CancellationRating
7.1
10,603 reviews
Search Air Canada flights

Why use momondo?

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

Finding the right flight to Ireland from Philadelphia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ireland quick and easy, saving you time and money.

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

Flights from Philadelphia to Ireland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Philadelphia to Ireland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Philadelphia to Ireland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ireland and let you know when they change.

An easier way to manage your Ireland 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 2/7
Sat 2/14

Find better results for your trip to Ireland

Popular cities in Ireland

Popular flights according to clicks in the last 7 days on momondo