The month of May brings lower prices and fewer visitors to the Thai island of Koh Phangan, with average daily temperatures of 30C. Departing throughout the month, Tropical Sky has a week's B&B at the Santhiya Resort and Spa for £899pp, with Emirates flights from Heathrow to Bangkok via Dubai. Tucked away on the north coast, the resort has a pool and a private beach, a short boat ride away from Koh Samui. Book by 30 April (tropicalsky.co.uk).
Cathay Pacific's spring sale continues until 1 May. Valid for travel between 13 May and 6 July, return fares are available from Heathrow via Hong Kong to: Bangkok, Singapore and Bali (£859); Hanoi and Ho Chi Minh City (£859); Melbourne and Sydney (£1,059/£1,069); Beijing (£749); Tokyo (£919); and more. There's also the option of departing from Manchester (bit.ly/CathaySale).
In May, Turquoise Holidays has a week in the British Virgin Islands for £1,599pp. Based at the Biras Creek Resort, on the island of Virgin Gorda, it includes half-board meals, water taxi transfers and BA flights from Gatwick. The resort has 31 suites, with a hilltop restaurant and a beachside bar (turquoiseholidays.co.uk).
For a warm spring break, consider Sicily, where Citalia has a week-long stay for £665pp. Departing on 15 May, the deal includes seven nights' half board at the four-star Hotel Ipanema, private transfers and Alitalia flights from Gatwick. The hotel is located in the gorgeous hilltop town of Taormina (citalia.com).