Cheap Flights to Castleknock from $191

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How Much Does it Cost To Fly To Castleknock?

The cheapest prices found with in the last 7 days for return flights were $42 and $191 for one-way flights to Castleknock for the period specified. Prices and availability are subject to change. Additional terms apply

OriginDestinationTravel DatesFlights From*
LTNDublinJanuary 17 to January 18$42
BVADublinDecember 10 to February 25$48
FCODublinJanuary 17 to January 18$70
BOSDublinDecember 7 to December 14$348
EWRDublinJanuary 30 to February 8$349
JFKDublinJanuary 18 to February 3$349
ORDDublinJanuary 26 to February 3$380
YYZDublinMarch 4 to March 12$381
SFODublinJanuary 25 to January 28$430
LAXDublinJanuary 24 to February 9$438
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
STNDublinDecember 5 to December 7$111
CDGDublinDecember 6 to December 9$153
FCODublinDecember 5 to December 6$330
BOSDublinDecember 7 to December 14$348
JFKDublinDecember 5 to December 7$350
EWRDublinDecember 5 to December 12$350
ORDDublinDecember 7 to December 14$469
YYZDublinDecember 6 to December 13$553
LAXDublinDecember 5 to December 12$557
SFODublinDecember 7 to December 14$558
*Prices include taxes and fees

Castleknock Flight Information

Traveling to
Castleknock
Lowest Price
$42
Number of Airlines Serving
Airlines Serving
Lufthansa, Air Canada
Number of Daily Flights
Airlines with Direct Flights

Find The Perfect Hotel For After Your Flight

Amazing Castleknock Accommodation Deals

Travelodge Dublin Phoenix Park Hotel

Travelodge Dublin Phoenix Park Hotel

3 out of 5
Aurburn Avenue Roundabout Dublin Dublin
Stay at this hotel in Dublin. Enjoy free WiFi, free parking, and breakfast (surcharge). Popular attractions Guinness Storehouse and Phoenix Park are located ...
A very good budget hotel that was clean and comfortable. Staff were helpful and friendly. The hotel is pleasantly located but on a main route into Dublin with regular, frequent public transport passing the door.

Reviewed on Mar 10, 2020

Opens in a new windowTravelodge Dublin Phoenix Park Hotel
Castleknock Hotel

Castleknock Hotel

4 out of 5
Porterstown Road Diswellstown Dublin
$148 nightly
The price is $168 total per night from Dec 14 to Dec 15
$168 total
Dec 14 - Dec 15
Total with taxes and fees
Book a stay at this spa hotel in Diswellstown. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the property condition ...
9/10 Wonderful! (1,002 reviews)
Amazing hotel , staff are fantastic , breakfast is really good and lovely grounds for a walk

Reviewed on Nov 25, 2025

Opens in a new windowCastleknock Hotel
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Luxury Hotels in Castleknock

Castleknock Hotel

Castleknock Hotel

4 out of 5
Porterstown Road Diswellstown Dublin
$148 nightly
The price is $168 total per night from Dec 14 to Dec 15
$168 total
Dec 14 - Dec 15
Total with taxes and fees
Book a stay at this spa hotel in Diswellstown. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the property condition ...
9/10 Wonderful! (1,002 reviews)
Amazing hotel , staff are fantastic , breakfast is really good and lovely grounds for a walk

Reviewed on Nov 25, 2025

Opens in a new windowCastleknock Hotel
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Family Friendly Hotels in Castleknock

Travelodge Dublin Phoenix Park Hotel

Travelodge Dublin Phoenix Park Hotel

3 out of 5
Aurburn Avenue Roundabout Dublin Dublin
Stay at this hotel in Dublin. Enjoy free WiFi, free parking, and breakfast (surcharge). Popular attractions Guinness Storehouse and Phoenix Park are located ...
A very good budget hotel that was clean and comfortable. Staff were helpful and friendly. The hotel is pleasantly located but on a main route into Dublin with regular, frequent public transport passing the door.

Reviewed on Mar 10, 2020

Opens in a new windowTravelodge Dublin Phoenix Park Hotel
Castleknock Hotel
Great for families

Castleknock Hotel

4 out of 5
Porterstown Road Diswellstown Dublin
$148 nightly
The price is $168 total per night from Dec 14 to Dec 15
$168 total
Dec 14 - Dec 15
Total with taxes and fees
Book a stay at this spa hotel in Diswellstown. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the property condition ...
9/10 Wonderful! (1,002 reviews)

Families like: Kids pool, playground, babysitting, free breakfast for the whole family

Travelers say...
Amazing hotel , staff are fantastic , breakfast is really good and lovely grounds for a walk

Reviewed on Nov 25, 2025

Opens in a new windowCastleknock Hotel
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Best Castleknock Flight and Hotel Packages

Castleknock flight + hotel packages - economy flights

Price found within the past 48 hours. Click for updated prices.
Temple Bar District Apartments
The Keadeen Hotel
Tom Dick and Harriet's
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See all available trips from New York to Castleknock
View all trips

Castleknock flight + hotel packages - business class flights

Price found within the past 48 hours. Click for updated prices.
Grafton Street Studios
Hotel Riu Plaza The Gresham Dublin
Dylan Hotel
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See all available trips from New York to Castleknock
View all trips

Need a Car For After Your Flight?

Lowest prices found within the past 22 hours. Prices and availability subject to change. Additional terms may apply.

Plane Tickets To Castleknock

Although you may try and resist the urge, you know that when the travel bug comes, there is only one way to get rid of it. Thankfully, Travelocity is here to help nip that travel bug in the bud with great deals on flights to Castleknock. Browse through our inventory to explore a wide range of cheap flights to Castleknock to solidify your next big trip out of town. Whether you are heading out on a business trip, exploring a place you have never been for pleasure or are bringing the family on the annual vacation, we have the perfect getaway waiting for you. In no time, you will be day dreaming of your plane landing in Castleknock as you anxiously await to exit the plane and explore what Castleknock has to offer. Considering all the amazing local food and culture in Castleknock, we won't hold this against you.

When you are ready to embark on your next big adventure, Travelocity will be right here waiting to open the doors to the garden so that you can go and smell the roses. When you decide to book and travel is entirely up to you, but don't wait too long because we have some of the best deals on the web and they won't last long. Take time to go through our huge selection of cheap flights to Castleknock to find the best deals that fit into your budget. If browsing on your phone while your boss isn't looking is more your thing (we promise we won't tell), consider checking out Travelocity's mobile app which allows you to take advantage of all our flights to Castleknock without having to compromise your work computer's search history. If you are looking to save even more, you can easily save up to $537 when you bundle one of our cheap flights to Castleknock with one of our hotels. So why are you waiting around? There is no better time than now to start booking that next trip. Start your search now to book one of our flights to Castleknock today!

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.