$425 Cheap Flights from Dublin (DUB) to Philadelphia (PHL)

View $425 flight on Tue, Jan 20, 2026Opens in a new window

Popular airlines from Dublin Airport (DUB) to Philadelphia Intl. Airport (PHL)

Cheap Flights from Dublin to Philadelphia (DUB-PHL)

Prices were available within the past 7 days and start at $425 for one-way flights and $421 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Thu, Dec 4 - Mon, Dec 8
DUB
Dublin
PHL
Philadelphia
$421 Roundtrip, just found
$421
Roundtrip
just found
Select Aer Lingus flight, departing Thu, Dec 4 from Dublin to Philadelphia, returning Mon, Dec 8, priced at $421 just found
Aer Lingus
Thu, Dec 11 - Tue, Dec 16
DUB
Dublin
PHL
Philadelphia
$422 Roundtrip, found 4 days ago
$422
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Thu, Dec 11 from Dublin to Philadelphia, returning Tue, Dec 16, priced at $422 found 4 days ago
Aer Lingus
Thu, Nov 6 - Tue, Nov 11
DUB
Dublin
PHL
Philadelphia
$424 Roundtrip, found 3 days ago
$424
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Thu, Nov 6 from Dublin to Philadelphia, returning Tue, Nov 11, priced at $424 found 3 days ago
American Airlines
Mon, Mar 2 - Sun, Mar 8
DUB
Dublin
PHL
Philadelphia
$437 Roundtrip, found 6 days ago
$437
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Mar 2 from Dublin to Philadelphia, returning Sun, Mar 8, priced at $437 found 6 days ago
British Airways
Tue, Dec 2 - Mon, Dec 15
DUB
Dublin
PHL
Philadelphia
$439 Roundtrip, found 5 days ago
$439
Roundtrip
found 5 days ago
Select British Airways flight, departing Tue, Dec 2 from Dublin to Philadelphia, returning Mon, Dec 15, priced at $439 found 5 days ago
American Airlines
Wed, Nov 19 - Mon, Nov 24
DUB
Dublin
PHL
Philadelphia
$440 Roundtrip, just found
$440
Roundtrip
just found
Select American Airlines flight, departing Wed, Nov 19 from Dublin to Philadelphia, returning Mon, Nov 24, priced at $440 just found
British Airways
Fri, Feb 27 - Sun, Mar 8
DUB
Dublin
PHL
Philadelphia
$442 Roundtrip, found 1 day ago
$442
Roundtrip
found 1 day ago
Select British Airways flight, departing Fri, Feb 27 from Dublin to Philadelphia, returning Sun, Mar 8, priced at $442 found 1 day ago
Iberia
Tue, Dec 16 - Sun, Jan 4
DUB
Dublin
PHL
Philadelphia
$457 Roundtrip, found 4 days ago
$457
Roundtrip
found 4 days ago
Select Iberia flight, departing Tue, Dec 16 from Dublin to Philadelphia, returning Sun, Jan 4, priced at $457 found 4 days ago
Lufthansa
Thu, Dec 4 - Mon, Dec 8
DUB
Dublin
PHL
Philadelphia
$562 Roundtrip, just found
$562
Roundtrip
just found
Select Lufthansa flight, departing Thu, Dec 4 from Dublin to Philadelphia, returning Mon, Dec 8, priced at $562 just found
Air Canada
Sun, Nov 9 - Tue, Nov 18
DUB
Dublin
PHL
Philadelphia
$565 Roundtrip, found 3 days ago
$565
Roundtrip
found 3 days ago
Select Air Canada flight, departing Sun, Nov 9 from Dublin to Philadelphia, returning Tue, Nov 18, priced at $565 found 3 days ago

Find the cheapest month to fly from Dublin (DUB) to Philadelphia (PHL)

November is typically the cheapest month to fly

From $409 - $792 per traveler.

Alternative airports near Philadelphia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Philadelphia Intl. PHL. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $728
PHL
Philadelphia Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $728
Flights from Dublin (DUB) to Philadelphia (PHL)
Origin airport
Dublin
Destination airport
Philadelphia Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Swiss International Air Lines, TAP Portugal, United
Roundtrip price
$421
Distance
3264 mi
Average flight time
2 hours 27 mins

Dublin to Philadelphia Flights

The cheapest times to fly from Dublin to Philadelphia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Dublin to Philadelphia are during the month of December. You can find some of the cheapest flights from Dublin to Philadelphia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Dublin to Philadelphia

Sunday is one of the best days to book for cheap flights from Dublin to Philadelphia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Dublin to Philadelphia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Dublin to Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from $425 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Dublin to Philadelphia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Dublin to Philadelphia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Dublin Airport (DUB) to Philadelphia Intl. Airport (PHL) cost?
Lock in a cheap one-way flight from $425 or cheap return flight from $421 from Dublin Airport (DUB) to Philadelphia Intl. Airport (PHL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Dublin Airport (DUB) to Philadelphia Intl. Airport (PHL)?
Flying in December can help you save, as it's the cheapest month for flights between DUB and PHL. You'll usually find the lowest prices during the off-season.
Which airlines fly direct from Dublin Airport (DUB) to Philadelphia Intl. Airport (PHL)?
If you're departing from Dublin Airport (DUB), you can hop on a direct flight to Philadelphia Intl. Airport (PHL) with American Airlines.
What is the cheapest airline that flies from Dublin Airport (DUB) to Philadelphia Intl. Airport (PHL)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest DUB to PHL flight.
How many flights per day from Dublin Airport (DUB) to Philadelphia Intl. Airport (PHL)?
On average, just 1 direct flight departs each day from Dublin Airport (DUB) to Philadelphia Intl. Airport (PHL). Need more options? Use Expedia's filter tool to find flights with layovers and add a new stop to your trip.
What are the most popular departure times for flights from Dublin Airport (DUB) to Philadelphia Intl. Airport (PHL)?
The 2 PM departures from DUB to PHL see the highest demand. These flights can come with a higher price due to their popularity. If you want to save money, book during off-peak hours.
What day of the week has the most flights from DUB to PHL?
If you travel on a Friday, you'll get the biggest range of choices for flights from Dublin Airport (DUB) to Philadelphia Intl. Airport (PHL).
What is the earliest flight from Dublin Airport (DUB) to Philadelphia Intl. Airport (PHL)?
Dublin Airport (DUB)'s first flight to Philadelphia Intl. Airport (PHL) leaves at approximately 2:05PM UTC+0. With a total journey time of 7h 35m, you'll arrive at around 4:40PM UTC-5.
How long does it take to fly from Dublin Airport (DUB) to Philadelphia Intl. Airport (PHL)?
Flights from DUB to PHL have an average travel time of 7 hours and 35 minutes. The distance between the two airports is 3,300 mi.
What airline has the least delays from DUB to PHL?
With 88% of flights usually arriving on time, British Airways has the best on-time performance for direct flights from Dublin Airport (DUB) to Philadelphia Intl. Airport (PHL). To check your flight status and receive notifications if anything changes, use the Expedia App.
What is the best time to fly from Dublin Airport (DUB) to Philadelphia Intl. Airport (PHL)?
Opt for a flight from Dublin Airport (DUB) to Philadelphia Intl. Airport (PHL) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Philadelphia from Dublin Airport (DUB)?
If you're taking a direct flight from Dublin Airport (DUB) to Philadelphia, Philadelphia Intl. Airport (PHL) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Dublin Airport (DUB) to Philadelphia Intl. Airport (PHL) last-minute?
Booking your plane ticket from DUB to PHL shortly before your journey is usually more expensive. But if you're flexible with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book a DUB to PHL flight and hotel package?
Securing a DUB to PHL flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our impressive range of accommodations and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Dublin Airport (DUB) to Philadelphia Intl. Airport (PHL)?
Generally, it's possible to cancel or reschedule your DUB to PHL flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.