Sydney: £487
Olympic Airlines from Gatwick via Athens. Must be booked by April 17. Valid for departures until June 30. No minimum stay, maximum one year. Thomas Cook Flights Direct (0870 7520066).

Hong Kong: £389.50
Cathay Pacific from Heathrow. Valid for departures until June 30. Minimum stay three nights, maximum one month. Lunn Poly Direct (0870 3334400).

Los Angeles: £241
Northwest Airlines from Gatwick via Detroit or Minneapolis. Must be booked by April 18. Valid for departures until April 30. Minimum stay one Saturday night, maximum one month. Quest Travel (0870 4445552).

New York: £198
Air India from Heathrow. Tickets must be bought at least three weeks before departure. Valid for departures until May 31. No minimum stay, maximum 60 days. Trailfinders (020-7937 5400).

Amsterdam: £94
British Airways from Gatwick. Valid for midweek departures July 1- September 8 (weekends £107). Minimum stay one Saturday night or two other nights, maximum one month. Thomas Cook Flights Direct (0870 7520066).

Paris: £105
Air France from Heathrow. Valid for departures until 31 December. Minimum stay one Saturday night, maximum one month. Trailfinders (020-7937 1234).

Perth: £534
Royal Brunei from Manchester via Brunei. Must be booked by May 30. Valid for departures April 21 - June 14. Minimum stay three days, maximum 30 days. All travel must be completed by June 30. Thomas Cook Flights Direct (0870 7520066).

Munich: £77
Lufthansa from Heathrow. Valid for departures until December 31. No minimum stay, maximum one year. Travellers must be under 26 or have valid international student cards. usit Campus (0870 2401010).

Mumbai: £299
KLM and Northwest Airlines from London City Airport via Amsterdam. Tickets must be purchased by April 15. Valid for departures until July 31. Minimum stay one Saturday night, maximum one month. Bridge The World (0870 4447474).

Buenos Aires: £436
Alitalia from Heathrow via Rome or Milan. Valid for departures April 19 - May 26. Minimum stay one Saturday night, maximum two months. Journey Latin America (020-8747 3108).

And the rail alternative:

Paris/Brussels: £70. Lille £60
Eurostar from Waterloo. Must be bought at least 14 days before departure. Valid for departures until March 22. Minimum stay one Saturday night or two other nights. Eurostar (08705 186186).