Flight to Castlereagh

View S$57 flight on Tue, 9 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 40% 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 S$57 for one-way flights and S$112 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

easyJet
Tue, 16 Jun - Sat, 20 Jun
STN
London
BFS
Belfast
S$112 Return, found 1 day ago
S$112
Return
found 1 day ago
Select easyJet flight, departing Tue, 16 Jun from London to Belfast, returning Sat, 20 Jun, priced at S$112 found 1 day ago
easyJet
Tue, 16 Jun - Sat, 20 Jun
STN
London
BFS
Belfast
S$114 Return, found 1 day ago
S$114
Return
found 1 day ago
Select easyJet flight, departing Tue, 16 Jun from London to Belfast, returning Sat, 20 Jun, priced at S$114 found 1 day ago
easyJet
Mon, 8 Jun - Tue, 16 Jun
LTN
London
BFS
Belfast
S$114 Return, found 16 hours ago
S$114
Return
found 16 hours ago
Select easyJet flight, departing Mon, 8 Jun from London to Belfast, returning Tue, 16 Jun, priced at S$114 found 16 hours ago
easyJet
Sat, 6 Jun - Mon, 8 Jun
STN
London
BFS
Belfast
S$116 Return, found 1 day ago
S$116
Return
found 1 day ago
Select easyJet flight, departing Sat, 6 Jun from London to Belfast, returning Mon, 8 Jun, priced at S$116 found 1 day ago
easyJet
Mon, 8 Jun - Tue, 16 Jun
LTN
London
BHD
Belfast
S$116 Return, found 16 hours ago
S$116
Return
found 16 hours ago
Select easyJet flight, departing Mon, 8 Jun from London to Belfast, returning Tue, 16 Jun, priced at S$116 found 16 hours ago
easyJet
Mon, 8 Jun - Tue, 16 Jun
STN
London
BFS
Belfast
S$118 Return, found 16 hours ago
S$118
Return
found 16 hours ago
Select easyJet flight, departing Mon, 8 Jun from London to Belfast, returning Tue, 16 Jun, priced at S$118 found 16 hours ago
easyJet
Sat, 13 Jun - Sat, 20 Jun
LGW
London
BFS
Belfast
S$120 Return, found 2 hours ago
S$120
Return
found 2 hours ago
Select easyJet flight, departing Sat, 13 Jun from London to Belfast, returning Sat, 20 Jun, priced at S$120 found 2 hours ago
easyJet
Mon, 8 Jun - Tue, 16 Jun
STN
London
BFS
Belfast
S$120 Return, found 16 hours ago
S$120
Return
found 16 hours ago
Select easyJet flight, departing Mon, 8 Jun from London to Belfast, returning Tue, 16 Jun, priced at S$120 found 16 hours ago
easyJet
Sat, 6 Jun - Mon, 8 Jun
STN
London
BFS
Belfast
S$121 Return, found 1 day ago
S$121
Return
found 1 day ago
Select easyJet flight, departing Sat, 6 Jun from London to Belfast, returning Mon, 8 Jun, priced at S$121 found 1 day ago
British Airways
Sun, 10 May - Sun, 24 May
LGW
London
BHD
Belfast
S$766 Return, found 20 hours ago
S$766
Return
found 20 hours ago
Select British Airways flight, departing Sun, 10 May from London to Belfast, returning Sun, 24 May, priced at S$766 found 20 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.

Etihad Airways
Wed, 11 Nov - Thu, 18 Feb
SIN
Singapore
BHD
Belfast
S$1,284 Return, found 1 day ago
S$1,284
Return
found 1 day ago
Select Etihad Airways flight, departing Wed, 11 Nov from Singapore to Belfast, returning Thu, 18 Feb, priced at S$1,284 found 1 day 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. S$112 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 S$112 and peaked at S$1,284. For one-way trips departing from London (LGW), the cheapest seat during this same period was only S$57.
When is the cheapest time to fly to Castlereagh?
Jet off early on in the week to book a bargain airfare to Castlereagh. Tuesday is normally the most affordable day to depart, with Monday a close second. Saturday typically has the most expensive prices. This is because lots of people prefer to begin their holiday on a weekend.
How much is a plane ticket to Castlereagh?
Plane tickets ranged from S$112 to S$1,284 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

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.

Travel information

Castlereagh Flights Information

Airlines serving
easyJet, British Airways
Roundtrip price
from S$112
Castlereagh Flights Information

Explore a world of travel with Expedia

*Available to Expedia members.