$505 Cheap Flights from Philadelphia (PHL) to Knock (NOC)

View $505 flight on Mon, Jan 5, 2026Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Knock (NOC-Ireland West)

Cheap Flights from Philadelphia to Knock (PHL-NOC)

Prices were available within the past 7 days and start at $505 for one-way flights and $676 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, Jan 5 - Wed, Jan 14
PHL
Philadelphia
NOC
Knock
$676 Roundtrip, found 21 hours ago
$676
Roundtrip
found 21 hours ago
Select Air Canada flight, departing Mon, Jan 5 from Philadelphia to Knock, returning Wed, Jan 14, priced at $676 found 21 hours ago
Air Canada
Mon, Jan 5 - Wed, Jan 14
PHL
Philadelphia
NOC
Knock
$682 Roundtrip, found 21 hours ago
$682
Roundtrip
found 21 hours ago
Select Air Canada flight, departing Mon, Jan 5 from Philadelphia to Knock, returning Wed, Jan 14, priced at $682 found 21 hours ago
Iberia
Wed, Apr 1 - Tue, Apr 7
PHL
Philadelphia
NOC
Knock
$731 Roundtrip, found 1 day ago
$731
Roundtrip
found 1 day ago
Select Iberia flight, departing Wed, Apr 1 from Philadelphia to Knock, returning Tue, Apr 7, priced at $731 found 1 day ago
Iberia
Mon, Jan 5 - Wed, Jan 14
PHL
Philadelphia
NOC
Knock
$735 Roundtrip, found 21 hours ago
$735
Roundtrip
found 21 hours ago
Select Iberia flight, departing Mon, Jan 5 from Philadelphia to Knock, returning Wed, Jan 14, priced at $735 found 21 hours ago
British Airways
Mon, Jan 5 - Wed, Jan 14
PHL
Philadelphia
NOC
Knock
$740 Roundtrip, found 21 hours ago
$740
Roundtrip
found 21 hours ago
Select British Airways flight, departing Mon, Jan 5 from Philadelphia to Knock, returning Wed, Jan 14, priced at $740 found 21 hours ago
American Airlines
Wed, Apr 1 - Tue, Apr 7
PHL
Philadelphia
NOC
Knock
$742 Roundtrip, found 1 day ago
$742
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Apr 1 from Philadelphia to Knock, returning Tue, Apr 7, priced at $742 found 1 day ago
American Airlines
Wed, Apr 1 - Tue, Apr 7
PHL
Philadelphia
NOC
Knock
$746 Roundtrip, found 1 day ago
$746
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Apr 1 from Philadelphia to Knock, returning Tue, Apr 7, priced at $746 found 1 day ago
British Airways
Mon, Jan 5 - Wed, Jan 14
PHL
Philadelphia
NOC
Knock
$749 Roundtrip, found 21 hours ago
$749
Roundtrip
found 21 hours ago
Select British Airways flight, departing Mon, Jan 5 from Philadelphia to Knock, returning Wed, Jan 14, priced at $749 found 21 hours ago
British Airways
Wed, Apr 1 - Tue, Apr 7
PHL
Philadelphia
NOC
Knock
$751 Roundtrip, found 1 day ago
$751
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Apr 1 from Philadelphia to Knock, returning Tue, Apr 7, priced at $751 found 1 day ago
Aer Lingus
Wed, Apr 1 - Tue, Apr 7
PHL
Philadelphia
NOC
Knock
$756 Roundtrip, found 1 day ago
$756
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Wed, Apr 1 from Philadelphia to Knock, returning Tue, Apr 7, priced at $756 found 1 day ago

Alternative airports near Knock

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

Select flight to Ireland West NOC. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $1,137
NOC
Ireland West
CheapestClosest
Average driving time to city center14 min
Flights from $1,137

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Ireland West Airport (NOC) cost?
Get a cheap one-way flight from $505 or cheap return flight from $676 from Philadelphia Intl. Airport (PHL) to Ireland West Airport (NOC) 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 Philadelphia Intl. Airport (PHL) to Ireland West Airport (NOC)?
Planning your getaway for January is a good way to save, as it's the cheapest month for flights between PHL and NOC. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Ireland West Airport (NOC)?
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 see which carrier offers the cheapest PHL to NOC flight.
How many flights per day from Philadelphia Intl. Airport (PHL) to Ireland West Airport (NOC)?
There aren't any daily nonstop flights available from Philadelphia Intl. Airport (PHL) to Ireland West Airport (NOC). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from PHL to NOC?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Ireland West Airport (NOC)?
To land at Ireland West Airport (NOC) without delays, pick a flight that takes off from Philadelphia Intl. Airport (PHL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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.
Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to Ireland West Airport (NOC) last-minute?
Last-minute fares from PHL to NOC are usually more expensive. To secure the best rates, start searching for flights well ahead of time. That being said, if you're flexible with your travel dates, it's possible to land a cheap ticket just before your departure.
Is it cheaper to book a PHL to NOC flight and hotel package?
Securing a PHL to NOC flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our impressive range of accommodations and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Ireland West Airport (NOC)?
It's generally possible to reschedule or cancel your PHL to NOC flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Ireland West
Airlines serving
Aer Lingus, British Airways
Roundtrip price
$675
Distance
3154 mi

Book with confidence

Book with confidence

Philadelphia to Knock Flights

The cheapest times to fly from Philadelphia to Knock

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 Philadelphia to Knock are during the month of January. You can find some of the cheapest flights from Philadelphia to Knock with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Philadelphia to Knock

Sunday is one of the best days to book for cheap flights from Philadelphia to Knock: 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 Philadelphia to Knock

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 Philadelphia to Knock in 2025. You can also book with separate airlines for your outbound and return journeys, from $505 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 Philadelphia to Knock 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 Philadelphia to Knock 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.

 

Philadelphia to Knock Flights

Explore a world of travel with Expedia

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*Available to One Key members.