Ryanair has £8 flights for travel between 1 September 2010 and 31 Oct 2010, but you'll have to book before 17 June (midnight) Please find the full details below:

Booking info: Book before midnight Thurs 17 June. Online check-in is included in the price.
Travel between: Any day of the week between Weds 1 Sept and Sun 31 Oct '10.
Airport-by-airport £8 fare destinations

From London Stansted to:
Altenburg, Belfast (City), Berlin, Bremen, Bydgoszcz, Ciudad Real, Cork, Derry, Dublin, Dusseldorf, Eindhoven, Figari, Frankfurt-Hahn, Gdansk, Genoa, Glasgow (Prestwick), Hamburg-Lubeck, Karlsruhe-Baden, Katowice, Kerry, Knock, Linz, Lodz, Memmingen (Munich West), Oslo (Rygge & Torp), Parma, Poznan, Pula, Shannon, Stockholm Skavsta, Szczecin, Turin, Wroclaw, Zadar.

From Edinburgh to:
Bremen, Brussels (Charleroi), Dublin, Frankfurt-Hahn, Hamburg-Lübeck, Oslo (Torp), Shannon.

From East Midlands to:
Belfast (City), Bergerac, Berlin, Carcassone, Dinard, Dublin, Knock, Limoges, Nantes, Pisa, Rimini, Rzeszow, Venice-Treviso, Wroclaw.

From Glasgow (Prestwick) to:
Belfast (City), Derry, Dublin, Girona (Barcelona), London (Stansted), Paris Beauvais.

From Bristol to:
Belfast (City), Bydgoszcz, Dublin, Girona (Barcelona), Knock, Limoges, Milan (Bergamo), Poznan, Reus (Barcelona), Rimini, Venice-Treviso.

From Liverpool to:
Belfast (City), Bremen, Cork, Derry, Dublin, Knock, Krakow, Lodz, Poznan, Rzeszow, Shannon, Szczecin, Wroclaw.

From Leeds to:
Carcassonne, Dublin, Knock, Krakow, Nantes, Pisa, Venice-Treviso.

From London Luton to:
Dublin, Kerry, Knock, Trapani.

From London Gatwick to:
Cork, Dublin, Shannon, Stockholm Skavsta.

From Bournemouth to:
Dublin, Malta, Valencia.

From Newcastle to:
Dublin, Oslo (Rygge).

From Birmingham to:
Derry, Dublin. Dusseldorf (Weeze), Girona (Barcelona), Reus
(Barcelona).

From Aberdeen & Manchester to:
Dublin

Airline Booking and Information