Cheap Flights to Castleknock from $231

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

How Much Does it Cost To Fly To Castleknock?

The cheapest prices found with in the last 7 days for return flights were $43 and $231 for one-way flights to Castleknock for the period specified. Prices and availability are subject to change. Additional terms apply

OriginDestinationTravel DatesFlights From*
LTNDublinJanuary 24 to January 31$43
BVADublinMarch 24 to March 29$56
FCODublinApril 15 to April 21$135
BOSDublinApril 21 to April 30$344
EWRDublinMarch 3 to March 11$350
JFKDublinMarch 9 to March 17$350
ORDDublinApril 4 to April 11$389
YYZDublinApril 15 to April 23$393
SFODublinMarch 17 to March 29$473
LAXDublinFebruary 3 to February 10$491
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
LTNDublinJanuary 24 to January 31$43
ORYDublinJanuary 23 to January 26$88
FCODublinJanuary 23 to January 25$236
EWRDublinJanuary 24 to January 31$350
JFKDublinJanuary 23 to January 26$355
BOSDublinJanuary 24 to February 3$382
ORDDublinJanuary 25 to February 10$418
YYZDublinJanuary 23 to May 2$481
SFODublinJanuary 24 to February 16$501
LAXDublinJanuary 23 to January 29$545
*Prices include taxes and fees

Castleknock Flight Information

Traveling to
Castleknock
Lowest Price
$43
Number of Airlines Serving
Airlines Serving
Swiss International Air Lines, JetBlue Airways
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
$153 nightly
The price is $174 total per night from Feb 15 to Feb 16
$174 total
Feb 15 - Feb 16
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)
Throughly enjoyed our stay at Castleknock. Such a warm welcome received, a stunning room - super size for our family of 4 and a lovely birthday card, balloon and chocolates for our son whose 9th birthday it was the day we checked in. So thoughtful and hugely appreciated. We enjoyed the leisure facilities, ...

Reviewed on Dec 30, 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
$153 nightly
The price is $174 total per night from Feb 15 to Feb 16
$174 total
Feb 15 - Feb 16
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)
Throughly enjoyed our stay at Castleknock. Such a warm welcome received, a stunning room - super size for our family of 4 and a lovely birthday card, balloon and chocolates for our son whose 9th birthday it was the day we checked in. So thoughtful and hugely appreciated. We enjoyed the leisure facilities, ...

Reviewed on Dec 30, 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
$153 nightly
The price is $174 total per night from Feb 15 to Feb 16
$174 total
Feb 15 - Feb 16
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...
Throughly enjoyed our stay at Castleknock. Such a warm welcome received, a stunning room - super size for our family of 4 and a lovely birthday card, balloon and chocolates for our son whose 9th birthday it was the day we checked in. So thoughtful and hugely appreciated. We enjoyed the leisure facilities, ...

Reviewed on Dec 30, 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.
Premier Inn Dublin Airport
Grand Hotel
Staycity Aparthotels, Dublin, Saint Augustine Street
Don't see what you're looking for?
See all available trips from Chicago to Castleknock
View all trips

Need a Car For After Your Flight?

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.