Cheap Flights to Castlereagh from $20

View $20 flight on Wed, Aug 12, 2026Opens in a new window

Popular airlines to Castlereagh

  • easyJet

  • British Airways

  • Aer Lingus

  • KLM

  • Ryanair

  • American Airlines

  • Virgin Atlantic

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How much is the cheapest flight to Castlereagh?

Prices were available within the past 7 days and start at $20 for one-way flights and $40 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Wed, Aug 12 - Fri, Aug 28
EDI
Edinburgh
BFS
Belfast
$40 Roundtrip, found 6 hours ago
$40
Roundtrip
found 6 hours ago
Select Ryanair flight, departing Wed, Aug 12 from Edinburgh to Belfast, returning Fri, Aug 28, priced at $40 found 6 hours ago
Ryanair
Wed, Jul 1 - Sat, Jul 4
EDI
Edinburgh
BFS
Belfast
$41 Roundtrip, found 12 hours ago
$41
Roundtrip
found 12 hours ago
Select Ryanair flight, departing Wed, Jul 1 from Edinburgh to Belfast, returning Sat, Jul 4, priced at $41 found 12 hours ago
Ryanair
Wed, Jul 1 - Thu, Jul 2
EDI
Edinburgh
BFS
Belfast
$42 Roundtrip, found 17 hours ago
$42
Roundtrip
found 17 hours ago
Select Ryanair flight, departing Wed, Jul 1 from Edinburgh to Belfast, returning Thu, Jul 2, priced at $42 found 17 hours ago
Ryanair
Wed, Jul 1 - Sat, Jul 4
MAN
Manchester
BFS
Belfast
$43 Roundtrip, found 4 days ago
$43
Roundtrip
found 4 days ago
Select Ryanair flight, departing Wed, Jul 1 from Manchester to Belfast, returning Sat, Jul 4, priced at $43 found 4 days ago
Ryanair
Wed, Jul 15 - Fri, Jul 17
EDI
Edinburgh
BFS
Belfast
$43 Roundtrip, found 1 day ago
$43
Roundtrip
found 1 day ago
Select Ryanair flight, departing Wed, Jul 15 from Edinburgh to Belfast, returning Fri, Jul 17, priced at $43 found 1 day ago
Ryanair
Mon, Jul 20 - Sat, Jul 25
MAN
Manchester
BFS
Belfast
$44 Roundtrip, found 6 days ago
$44
Roundtrip
found 6 days ago
Select Ryanair flight, departing Mon, Jul 20 from Manchester to Belfast, returning Sat, Jul 25, priced at $44 found 6 days ago
easyJet
Tue, Jun 30 - Mon, Jul 20
MAN
Manchester
BHD
Belfast
$81 Roundtrip, found 12 hours ago
$81
Roundtrip
found 12 hours ago
Select easyJet flight, departing Tue, Jun 30 from Manchester to Belfast, returning Mon, Jul 20, priced at $81 found 12 hours ago
Aer Lingus
Thu, Feb 4 - Fri, Feb 5
MAN
Manchester
BHD
Belfast
$132 Roundtrip, found 3 days ago
$132
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Thu, Feb 4 from Manchester to Belfast, returning Fri, Feb 5, priced at $132 found 3 days ago
British Airways
Sat, Jun 13 - Sun, Jun 14
LHR
London
BHD
Belfast
$145 Roundtrip, found 6 days ago
$145
Roundtrip
found 6 days ago
Select British Airways flight, departing Sat, Jun 13 from London to Belfast, returning Sun, Jun 14, priced at $145 found 6 days ago
American Airlines
Wed, Jan 6 - Tue, Jan 12
EWR
New York
BHD
Belfast
$878 Roundtrip, found 6 days ago
$878
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Jan 6 from New York to Belfast, returning Tue, Jan 12, priced at $878 found 6 days ago

Trending flights to Castlereagh

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

American Airlines
Mon, Jan 11 - Thu, Jan 21
CLT
Charlotte
BHD
Belfast
$818 Roundtrip, found 6 days ago
$818
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Jan 11 from Charlotte to Belfast, returning Thu, Jan 21, priced at $818 found 6 days 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. $40 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 $40 and peaked at $878. For one-way trips departing from Edinburgh (EDI), the cheapest seat during this same period was only $20.
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 vacation on a weekend.
How much is a plane ticket to Castlereagh?
Plane tickets ranged from $40 to $878 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.

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Travel information

*Flight schedules are subject to change.

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*Flight schedules are subject to change.

*Available to One Key members.