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Flights to Philadelphia

€248 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 6/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ireland to Philadelphia

Cheap return flights

Enter your travel dates to find the best prices.
JetBlue Logo
10:40 - 17:54
DUB
-
PHL
12h 14m
1 stop
JetBlue Logo
18:33 - 08:20
PHL
-
DUB
8h 47m
1 stop
€407JetBlue
Fri, 1 May - Mon, 4 May
Finnair Logo
13:45 - 16:00
DUB
-
PHL
7h 15mdirect
Finnair Logo
18:30 - 06:30
PHL
-
DUB
7h 00mdirect
€445Finnair
Wed, 3 Jun - Mon, 8 Jun
JetBlue Logo
10:40 - 07:34
DUB
-
PHL
25h 54m
1 stop
JetBlue Logo
16:20 - 08:20
PHL
-
DUB
11h 00m
1 stop
€449JetBlue
Sat, 9 May - Sat, 16 May
Finnair Logo
12:40 - 15:05
DUB
-
PHL
7h 25mdirect
Finnair Logo
18:30 - 06:30
PHL
-
DUB
7h 00mdirect
€450Finnair
Wed, 29 Apr - Sun, 3 May
Finnair Logo
12:40 - 15:05
DUB
-
PHL
7h 25mdirect
Finnair Logo
18:30 - 06:30
PHL
-
DUB
7h 00mdirect
€452Finnair
Tue, 5 May - Sun, 10 May
British Airways Logo
12:40 - 15:05
DUB
-
PHL
7h 25mdirect
British Airways Logo
19:35 - 17:50
PHL
-
DUB
17h 15m
1 stop
€453British Airways
Sat, 25 Apr - Fri, 1 May
Finnair Logo
13:45 - 16:00
DUB
-
PHL
7h 15mdirect
Finnair Logo
18:30 - 06:30
PHL
-
DUB
7h 00mdirect
€453Finnair
Thu, 28 May - Thu, 4 Jun
Delta Logo
06:15 - 20:53
ORK
-
PHL
19h 38m
2 stops
Delta Logo
13:58 - 14:40
PHL
-
ORK
19h 42m
2 stops
€468Delta
Sat, 25 Apr - Wed, 29 Apr
Delta Logo
13:05 - 11:50
SNN
-
PHL
27h 45m
2 stops
Delta Logo
12:36 - 11:10
PHL
-
SNN
17h 34m
2 stops
€476Delta
Wed, 3 Jun - Tue, 9 Jun
British Airways Logo
21:15 - 12:10
SNN
-
PHL
19h 55m
1 stop
British Airways Logo
17:55 - 11:20
PHL
-
SNN
12h 25m
2 stops
€584British Airways
Thu, 23 Apr - Tue, 28 Apr

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 14 April 2026.
Use the filters below to find and compare flights to Philadelphia that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Fri 1/5

10:40-17:54

1 stop12h 14m

Philadelphia

Mon 4/5

18:33-08:20

1 stop8h 47m

€407
Fastest return journey

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 3/6

13:45-16:00

Nonstop7h 15m

Philadelphia

Mon 8/6

18:30-06:30

Nonstop7h 00m

€445

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sat 9/5

10:40-07:34

1 stop25h 54m

Philadelphia

Sat 16/5

16:20-08:20

1 stop11h 00m

€449

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 29/4

12:40-15:05

Nonstop7h 25m

Philadelphia

Sun 3/5

18:30-06:30

Nonstop7h 00m

€450

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Tue 5/5

12:40-15:05

Nonstop7h 25m

Philadelphia

Sun 10/5

18:30-06:30

Nonstop7h 00m

€452

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sat 25/4

12:40-15:05

Nonstop7h 25m

Philadelphia

Fri 1/5

19:35-17:50

1 stop17h 15m

€453

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 28/5

13:45-16:00

Nonstop7h 15m

Philadelphia

Thu 4/6

18:30-06:30

Nonstop7h 00m

€453

CorkPhiladelphia

ORK - PHL

ORKPHL

Cork

Sat 25/4

06:15-20:53

2 stops19h 38m

Philadelphia

Wed 29/4

13:58-14:40

2 stops19h 42m

€468

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Wed 3/6

13:05-11:50

2 stops27h 45m

Philadelphia

Tue 9/6

12:36-11:10

2 stops17h 34m

€476

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Thu 23/4

21:15-12:10

1 stop19h 55m

Philadelphia

Tue 28/4

17:55-11:20

2 stops12h 25m

€584

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 March. Flight prices, which tend to average around €394, are often lower during this time because this is during the off-season. If you don’t want to visit Philadelphia in March, then you should wait until September to fly from Ireland, when ticket prices are also cheap, with an average price of €434.

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 Dublin for €415. This is 4% 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 €582. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around €783. 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 in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as €592 when looking at flights departing in the afternoon. Flights at midday are often more expensive, with an average ticket price of €642.

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 €515 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 €405 on momondo.

Cheapest flights to Philadelphia

Find the cheapest flights to Philadelphia from your nearest city or airport
Find flights from Dublin to Philadelphia
CHEAPEST MONTH TO FLY TO PHILADELPHIA FROM DUBLINMarch24% cheaperFlying from Dublin to Philadelphia costs on average just €394 in March
MOST EXPENSIVE MONTH TO FLY TO PHILADELPHIA FROM DUBLINJuly37% more expensiveIt costs about €710 for flights to Philadelphia from Dublin in July
MOST POPULAR MONTH TO FLY TO PHILADELPHIA FROM DUBLINJune382% 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

€248

Best Round-Trip Price

€407

Fastest flight time

25h 10m

Popular in

July
The best one-way flight price to Philadelphia from Ireland in the last 72 hours is €248 (Dublin to Philadelphia).
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The best round-trip flight price to Philadelphia from Ireland in the last 72 hours is €407 (Dublin to Philadelphia).
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The fastest flight to Philadelphia from Ireland takes 25h 10m (Cork to Philadelphia).
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July has the highest demand for flights to Philadelphia, with a 16% price increase on average.
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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 62 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 €515. 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 €345 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 €120 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?

As of April 2026, there are 5 operators available to choose from 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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Find better results for your trip to Philadelphia

Popular Flights to Philadelphia

Popular routes according to searches in the past day on momondo
Dublin to Philadelphia Flightsfrom €531
Shannon to Philadelphia Flightsfrom €560
Cork to Philadelphia Flightsfrom €791