Flights to Philadelphia

€271 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 25/2. 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

Discover deals from 900+ travel sites with momondo.

Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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 Ireland to Philadelphia

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:40 - 14:55
DUB
-
PHL
7h 15mdirect
Multiple Airlines Logo
18:45 - 17:50
PHL
-
DUB
18h 05m
1 stop
€325Multiple Airlines
Fri, 17 Apr - Fri, 24 Apr
Finnair Logo
12:40 - 14:50
DUB
-
PHL
7h 10mdirect
Finnair Logo
18:50 - 06:30
PHL
-
DUB
6h 40mdirect
€329Finnair
Thu, 7 May - Thu, 4 Jun
Finnair Logo
12:40 - 14:50
DUB
-
PHL
7h 10mdirect
Finnair Logo
18:50 - 06:30
PHL
-
DUB
6h 40mdirect
€330Finnair
Mon, 4 May - Tue, 2 Jun
Finnair Logo
13:45 - 16:00
DUB
-
PHL
7h 15mdirect
Finnair Logo
18:50 - 06:30
PHL
-
DUB
6h 40mdirect
€332Finnair
Wed, 10 Jun - Sat, 20 Jun
Multiple Airlines Logo
20:40 - 14:35
DUB
-
PHL
21h 55m
1 stop
Multiple Airlines Logo
21:50 - 08:40
PHL
-
DUB
6h 50mdirect
€335Multiple Airlines
Mon, 16 Mar - Sun, 22 Mar
British Airways Logo
17:35 - 13:30
ORK
-
PHL
24h 55m
1 stop
British Airways Logo
10:25 - 15:25
PHL
-
ORK
24h 00m
2 stops
€497British Airways
Wed, 4 Feb - Sun, 8 Feb
British Airways Logo
07:50 - 15:25
SNN
-
PHL
36h 35m
2 stops
British Airways Logo
16:43 - 11:30
PHL
-
SNN
14h 47m
2 stops
€500British Airways
Mon, 2 Mar - Sun, 8 Mar
American Airlines Logo
14:45 - 20:34
SNN
-
PHL
10h 49m
1 stop
American Airlines Logo
21:31 - 06:20
PHL
-
SNN
27h 49m
1 stop
€514American Airlines
Sun, 1 Feb - Fri, 6 Feb
American Airlines Logo
13:45 - 09:06
SNN
-
PHL
24h 21m
2 stops
American Airlines Logo
22:00 - 05:25
PHL
-
SNN
26h 25m
1 stop
€553American Airlines
Fri, 1 May - Tue, 5 May
United Airlines Logo
12:30 - 00:45
SNN
-
PHL
17h 15m
2 stops
United Airlines Logo
11:32 - 10:15
PHL
-
SNN
17h 43m
2 stops
€643United Airlines
Fri, 1 May - Tue, 5 May

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 19 January 2026.
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

Fri 17/4

12:40-14:55

Nonstop7h 15m

Philadelphia

Fri 24/4

18:45-17:50

1 stop18h 05m

€325

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 7/5

12:40-14:50

Nonstop7h 10m

Philadelphia

Thu 4/6

18:50-06:30

Nonstop6h 40m

€329

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Mon 4/5

12:40-14:50

Nonstop7h 10m

Philadelphia

Tue 2/6

18:50-06:30

Nonstop6h 40m

€330

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 10/6

13:45-16:00

Nonstop7h 15m

Philadelphia

Sat 20/6

18:50-06:30

Nonstop6h 40m

€332

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Mon 16/3

20:40-14:35

1 stop21h 55m

Philadelphia

Sun 22/3

21:50-08:40

Nonstop6h 50m

€335

CorkPhiladelphia

ORK - PHL

ORKPHL

Cork

Wed 4/2

17:35-13:30

1 stop24h 55m

Philadelphia

Sun 8/2

10:25-15:25

2 stops24h 00m

€497

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Mon 2/3

07:50-15:25

2 stops36h 35m

Philadelphia

Sun 8/3

16:43-11:30

2 stops14h 47m

€500

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Sun 1/2

14:45-20:34

1 stop10h 49m

Philadelphia

Fri 6/2

21:31-06:20

1 stop27h 49m

€514

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Fri 1/5

13:45-09:06

2 stops24h 21m

Philadelphia

Tue 5/5

22:00-05:25

1 stop26h 25m

€553

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Fri 1/5

12:30-00:45

2 stops17h 15m

Philadelphia

Tue 5/5

11:32-10:15

2 stops17h 43m

€643

Flights are sorted by cheapest return flights first.

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

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 February. Flight prices, which tend to average around €405, are often lower during this time because this is during the off-season. If you don’t want to visit Philadelphia in February, then you should wait until January to fly from Ireland, when ticket prices are also cheap, with an average price of €414.

What is the absolute cheapest flight to Philadelphia?

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 €586. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around €727. 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 €587 when looking at flights departing in the afternoon. Flights in the morning are often more expensive, with an average ticket price of €618.

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 €499 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 €423 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 DUBLINFebruary19% cheaperFlying from Dublin to Philadelphia costs on average just €405 in February
MOST EXPENSIVE MONTH TO FLY TO PHILADELPHIA FROM DUBLINJuly24% more expensiveIt costs about €620 for flights to Philadelphia from Dublin in July
MOST POPULAR MONTH TO FLY TO PHILADELPHIA FROM DUBLINJune320% 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

€271

Best Round-Trip Price

€325

Fastest flight time

32h 09m

Popular in

July
The best one-way flight price to Philadelphia from Ireland in the last 72 hours is €271 (Dublin to Philadelphia).
The best round-trip flight price to Philadelphia from Ireland in the last 72 hours is €325 (Dublin to Philadelphia).
The fastest flight to Philadelphia from Ireland takes 32h 09m (Shannon to Philadelphia).
July has the highest demand for flights to Philadelphia, with a 15% 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 27 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 €499. 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 €360 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 €130 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

We make it super easy to schedule, organise 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
Wed 18/2
Wed 25/2

Find better results for your trip to Philadelphia

Popular Flights to Philadelphia

Popular routes according to searches in the past day on momondo