Cheap flights to Castlereagh

View €31 flight on Thu, 4 Jun 2026Opens in a new window

Popular airlines to Castlereagh

  • easyJet

  • British Airways

  • Aer Lingus

  • KLM

  • Ryanair

  • American Airlines

  • Virgin Atlantic

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 15% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Castlereagh

Prices were available within the past 7 days and start at €31 for one-way flights and €58 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

easyJet
Thu, 4 Jun - Wed, 10 Jun
GLA
Glasgow
BHD
Belfast
€58 Return, found 1 day ago
€58
Return
found 1 day ago
Select easyJet flight, departing Thu, 4 Jun from Glasgow to Belfast, returning Wed, 10 Jun, priced at €58 found 1 day ago
easyJet
Thu, 4 Jun - Sun, 7 Jun
GLA
Glasgow
BFS
Belfast
€61 Return, found 12 hours ago
€61
Return
found 12 hours ago
Select easyJet flight, departing Thu, 4 Jun from Glasgow to Belfast, returning Sun, 7 Jun, priced at €61 found 12 hours ago
easyJet
Sun, 5 Jul - Thu, 30 Jul
BHX
Birmingham
BFS
Belfast
€61 Return, found 6 days ago
€61
Return
found 6 days ago
Select easyJet flight, departing Sun, 5 Jul from Birmingham to Belfast, returning Thu, 30 Jul, priced at €61 found 6 days ago
easyJet
Thu, 4 Jun - Sun, 7 Jun
GLA
Glasgow
BFS
Belfast
€63 Return, found 12 hours ago
€63
Return
found 12 hours ago
Select easyJet flight, departing Thu, 4 Jun from Glasgow to Belfast, returning Sun, 7 Jun, priced at €63 found 12 hours ago
easyJet
Thu, 4 Jun - Sun, 7 Jun
GLA
Glasgow
BFS
Belfast
€64 Return, found 12 hours ago
€64
Return
found 12 hours ago
Select easyJet flight, departing Thu, 4 Jun from Glasgow to Belfast, returning Sun, 7 Jun, priced at €64 found 12 hours ago
easyJet
Sun, 2 Aug - Sun, 9 Aug
GLA
Glasgow
BFS
Belfast
€66 Return, found 6 hours ago
€66
Return
found 6 hours ago
Select easyJet flight, departing Sun, 2 Aug from Glasgow to Belfast, returning Sun, 9 Aug, priced at €66 found 6 hours ago
easyJet
Tue, 2 Jun - Wed, 3 Jun
GLA
Glasgow
BFS
Belfast
€67 Return, found 6 days ago
€67
Return
found 6 days ago
Select easyJet flight, departing Tue, 2 Jun from Glasgow to Belfast, returning Wed, 3 Jun, priced at €67 found 6 days ago
Aer Lingus
Sun, 10 May - Wed, 20 May
BHX
Birmingham
BHD
Belfast
€94 Return, found 3 days ago
€94
Return
found 3 days ago
Select Aer Lingus flight, departing Sun, 10 May from Birmingham to Belfast, returning Wed, 20 May, priced at €94 found 3 days ago
British Airways
Thu, 4 Jun - Sun, 7 Jun
LHR
London
BHD
Belfast
€124 Return, found 1 day ago
€124
Return
found 1 day ago
Select British Airways flight, departing Thu, 4 Jun from London to Belfast, returning Sun, 7 Jun, priced at €124 found 1 day ago
KLM
Thu, 24 Dec - Sat, 9 Jan
DUB
Dublin
BHD
Belfast
€202 Return, found 19 hours ago
€202
Return
found 19 hours ago
Select KLM flight, departing Thu, 24 Dec from Dublin to Belfast, returning Sat, 9 Jan, priced at €202 found 19 hours ago

Trending flights to Castlereagh

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Thu, 24 Dec - Sat, 9 Jan
DUB
Dublin
BHD
Belfast
€202 Return, found 19 hours ago
€202
Return
found 19 hours ago
Select KLM flight, departing Thu, 24 Dec from Dublin to Belfast, returning Sat, 9 Jan, priced at €202 found 19 hours ago

Frequently asked questions

How do I find cheap flights to Castlereagh that have flexible change policies?
At Expedia, we've been channeling our inner acrobat to get you the most flexible fares in town. Just click on "No change fee" right under the "Flexible change policies" heading to find your dream flight to Castlereagh.
How can I find cheap tickets to Castlereagh?
You'll always nab a fabulous deal with Expedia, but our "flexible dates" feature makes it that much easier. Enter your preferred travel date, then click on the flexible dates box above to see a list of prices for nearby days. €58 was the lowest price for a flight to Castlereagh in the last seven days.
How much is a flight to Castlereagh?
In the last seven days, return flights to Castlereagh sold for as little as €58 and peaked at €202. For one-way trips departing from Glasgow (GLA), the cheapest seat during this same period was only €31.
How much is a plane ticket to Castlereagh?
Plane tickets ranged from €58 to €202 over the last seven days. When you're ready to book, we're ready to help you pick up the best price to Castlereagh.
What months are the cheapest to book a flight to Castlereagh?
The perfect month to book well-priced airfares to Castlereagh is February. Bear in mind that in the USA, the most expensive time to secure a ticket is during the month of December.

Book with confidence

About Castlereagh

Expedia offers flights to Castlereagh to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Castlereagh or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About Castlereagh
*Available to Expedia members.