Flights to Philadelphia

€288 Cheap flights to Philadelphia

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Philadelphia departing on 9/2. 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

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
08:50 - 16:15
DUB
-
PHL
12h 25m1 stop
British Airways Logo
19:50 - 12:10
PHL
-
DUB
11h 20m1 stop
€386British Airways
Wed, 14 Jan - Tue, 20 Jan
American Airlines Logo
16:00 - 13:30
DUB
-
PHL
26h 30m1 stop
American Airlines Logo
19:50 - 12:15
PHL
-
DUB
11h 25m1 stop
€402American Airlines
Mon, 12 Jan - Sun, 18 Jan
American Airlines Logo
11:30 - 14:05
DUB
-
PHL
7h 35mdirect
American Airlines Logo
18:35 - 12:15
PHL
-
DUB
12h 40m1 stop
€405American Airlines
Mon, 12 Jan - Sun, 18 Jan
Multiple Airlines Logo
17:55 - 13:50
DUB
-
PHL
24h 55m1 stop
Multiple Airlines Logo
18:35 - 15:20
PHL
-
DUB
15h 45m1 stop
€406Multiple Airlines
Mon, 26 Jan - Mon, 2 Feb
British Airways Logo
11:30 - 14:05
DUB
-
PHL
7h 35mdirect
British Airways Logo
19:50 - 07:55
PHL
-
DUB
31h 05m1 stop
€407British Airways
Fri, 30 Jan - Sun, 1 Feb
American Airlines Logo
09:30 - 11:45
DUB
-
PHL
7h 15mdirect
American Airlines Logo
22:20 - 15:05
PHL
-
DUB
11h 45m1 stop
€408American Airlines
Fri, 17 Apr - Fri, 24 Apr
Iberia Logo
11:30 - 14:05
DUB
-
PHL
7h 35mdirect
Iberia Logo
21:25 - 08:40
PHL
-
DUB
6h 15mdirect
€410Iberia
Wed, 14 Jan - Tue, 20 Jan
Iberia Logo
09:30 - 11:45
DUB
-
PHL
7h 15mdirect
Iberia Logo
18:50 - 06:30
PHL
-
DUB
6h 40mdirect
€412Iberia
Wed, 20 May - Sun, 31 May
KLM Logo
11:15 - 23:17
ORK
-
PHL
17h 02m2 stops
KLM Logo
17:19 - 16:45
PHL
-
ORK
18h 26m2 stops
€659KLM
Fri, 26 Dec - Tue, 30 Dec
Air Canada Logo
07:40 - 22:46
ORK
-
PHL
20h 06m3 stops
Air Canada Logo
07:50 - 15:25
PHL
-
ORK
26h 35m2 stops
€916Air Canada
Fri, 26 Dec - Tue, 30 Dec

momondo Fare Finder

 
Locate flights to Philadelphia that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 13,528 searches and data was last updated on 13 December 2025.
Use the filters below to find and compare flights to Philadelphia that are best for you.

Fly from

Route

Depart

Return

Price

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 14/1

08:50-16:15

1 stop12h 25m

Philadelphia

Tue 20/1

19:50-12:10

1 stop11h 20m

€386

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Mon 12/1

16:00-13:30

1 stop26h 30m

Philadelphia

Sun 18/1

19:50-12:15

1 stop11h 25m

€402

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Mon 12/1

11:30-14:05

Nonstop7h 35m

Philadelphia

Sun 18/1

18:35-12:15

1 stop12h 40m

€405

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Mon 26/1

17:55-13:50

1 stop24h 55m

Philadelphia

Mon 2/2

18:35-15:20

1 stop15h 45m

€406

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 30/1

11:30-14:05

Nonstop7h 35m

Philadelphia

Sun 1/2

19:50-07:55

1 stop31h 05m

€407

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 17/4

09:30-11:45

Nonstop7h 15m

Philadelphia

Fri 24/4

22:20-15:05

1 stop11h 45m

€408

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 14/1

11:30-14:05

Nonstop7h 35m

Philadelphia

Tue 20/1

21:25-08:40

Nonstop6h 15m

€410

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 20/5

09:30-11:45

Nonstop7h 15m

Philadelphia

Sun 31/5

18:50-06:30

Nonstop6h 40m

€412

CorkPhiladelphia

ORK - PHL

ORKPHL

Cork

Fri 26/12

11:15-23:17

2 stops17h 02m

Philadelphia

Tue 30/12

17:19-16:45

2 stops18h 26m

€659

CorkPhiladelphia

ORK - PHL

ORKPHL

Cork

Fri 26/12

07:40-22:46

3 stops20h 06m

Philadelphia

Tue 30/12

07:50-15:25

2 stops26h 35m

€916

Flights are sorted by cheapest return flights first.

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

Philadelphia flights insights and trends

Explore insights for your Philadelphia flight to craft the best travel plan

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 €429, are often lower during this time because this is during the off-season. If you don’t want to visit Philadelphia in April, then you should wait until September to fly from Ireland, when ticket prices are also cheap, with an average price of €436.

What is the absolute cheapest flight to Philadelphia?

The best deal found on momondo in the last two weeks was a flight to Philadelphia from Cancún for €180. This is 55% cheaper than most flight deals to Philadelphia. To find the cheapest price to Philadelphia from your area, use momondo’s Airport-to-Airport Pricing Tool.

See prices from:

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

The cheapest day to depart from Ireland to Philadelphia is on a Friday. Travellers who choose to depart for Philadelphia on a Friday will often find tickets for as low as €581. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around €704. These prices are subject to change though, so be sure to set up a Price Alert for flights to Philadelphia.

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

Flying to Philadelphia from Ireland at midday is the least expensive time of day to depart. momondo users have found prices as low as €579 when looking at flights departing at midday. Flights in the morning are often more expensive, with an average ticket price of €621.

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 €512 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Ireland for as low as €425 on momondo.

Cheapest flights to Philadelphia

Find the cheapest flights to Philadelphia from your nearest city or airport
CHEAPEST MONTH TO FLY TO PHILADELPHIA FROM DUBLINApril17% cheaperFlying from Dublin to Philadelphia costs on average just €429 in April
MOST EXPENSIVE MONTH TO FLY TO PHILADELPHIA FROM DUBLINJuly19% more expensiveIt costs about €610 for flights to Philadelphia from Dublin in July
MOST POPULAR MONTH TO FLY TO PHILADELPHIA FROM DUBLINJune325% more users visitedMore momondo users searched in flights to Philadelphia from Dublin in June than any other month

Cheap Philadelphia flight deals and tips

Summary info about Philadelphia flight prices, duration and airlines

Best One-Way Price

€287

Best Round-Trip Price

€386

Fastest flight time

33h 37m

Popular in

July
The best one-way flight price to Philadelphia from Ireland in the last 72 hours is €287 (Dublin to Philadelphia).
The best round-trip flight price to Philadelphia from Ireland in the last 72 hours is €386 (Dublin to Philadelphia).
The fastest flight to Philadelphia from Ireland takes 33h 37m (Dublin to Philadelphia).
July has the highest demand for flights to Philadelphia, with a 12% price increase on average.

Frequently asked questions about flying to Philadelphia

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

We recommend purchasing flights from Ireland to Philadelphia 70 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Philadelphia for €512. Keep in mind that you might be able to find cheaper flights to Philadelphia at any time. In fact, our users found flights for as low as €355 in the past 72 hours.

Is there an alternative airport near Philadelphia?

Philadelphia Airport, Trenton-Mercer Airport, Greater Wilmington Airport, Atlantic City Airport or Newark Airport can be an alternative airport used for travel to Philadelphia.

Is there a cheaper alternative to flying into Philadelphia?

New York LaGuardia Airport has an average price of €139 per person and is typically the cheapest airport to fly into when visiting Philadelphia. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

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

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

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

How old do you have to be to fly to Philadelphia Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to Philadelphia Airport.

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

The travel and health documents required for your trip to Philadelphia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Philadelphia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Philadelphia which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to Philadelphia?

Once all potential 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 to Philadelphia right now. Can momondo alert me if prices change?

Yes. momondo can track flight prices for Philadelphia and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Philadelphia trip

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1 adult
Mon 12/1
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Popular Flights to Philadelphia

Popular routes according to searches in the past day on momondo