Bargain Hunter: There's one day left to book a bargain flight with Air Asia

Air Asia is offering flights from Thailand to selected destinations from as little as $4 (Getty Images)

If you're planning a spot of globetrotting next year, now's the time to book bargain flights within Asia and to Australia: Air Asia is offering selected flights from a number of cities including Bangkok, Manila and Singapore to selected destinations across Asia and Australasia from as little as $4 (about £2.40).

You can fly from Bangkok to Chiang Mai or Surat Thani for $10 (£6) or from Kuala Lumpur to Perth for $85 (£51). Phuket to Chiang Mai is $20 (£12) or Phuket to Singapore $36 (£22).

However, you need to act quickly as the sale ends tomorrow. The flights must be taken between 1 March and 24 October 2015.

Back-to-school kit deals

Discount website Voucher Codes lists a raft of deals from F&F clothing, Ryman and Littlewoods to help kit kids out in high-quality purchases for the beginning of the new school term.

You can get 15 per cent off orders over £30 at Ryman by using code SUMMER99 at the till – but the code expires tomorrow. Alternatively use code TD-YN9J to get £1 off selected stationery orders over £5 at Tesco Direct (this code expires on 3 September).

If it's school uniform you're after, you can get 30 per cent off the Topclass school uniform at Littlewoods, using code 4L6DV (which expires on 30 September).

Find more voucher codes at www.vouchercodes.co.uk.

Cleaner teeth for less

Amazon is selling the Philips Sonicare rechargeable toothbrush for just £25.13, down from a RRP of about £90.

Amazon claims it is the number one sonic toothbrush brand recommended by dental professionals.

The brush comes with a sensitive head for those with sensitive teeth and gums, and a long-life, rechargeable battery.

Elsewhere in health and personal care, Amazon is offering up to 40 per cent off diet and nutrition products, and up to 50 per cent off blood-pressure monitors.

Get a new phone contract

If you need a new mobile contract, head to topcashback.co.uk and click through to the Vodafone website.

Deals include £101 cashback on contracts over £22.50 a month, £70.70 cashback on Samsung Galaxy S5 contracts, and up to £60.60 cashback on SIM-only deals.

Topcashback is also offering up to £45.45 cashback at Tesco Mobile and £93.93 on EE mobile contracts.

Free kids' glasses, eye tests

Parents should take their children to Specsavers to pick up two pairs of glasses, alongside a free eyesight test for under-16s.

One pair of glasses is free with under-16s NHS funding, while Specsavers will give you a second pair from the £64 or £85 range free of charge. Both pairs can come with SuperTough Trivex single vision lenses with a scratch-resistant treatment. Or you can choose to have tinted prescription lenses and UV filter free in your second pair.

The Specsavers' children's glasses range includes designs from Moshi Monsters, Disney Princess, Star Wars, Lego and The Simpsons.

Students can also get 25 per cent off at Specsavers and pay only £74.25 for glasses from its £99 designer ranges.