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510-ML-Leakproof-Insulated-The

510-ML-Leakproof-Insulated-The

£5.74
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500ml stainless steel - 500ml, thermo

500ml stainless steel - 500ml, thermo

£7.20
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Stainless steel water flask - steel,

Stainless steel water flask - steel,

£9.69
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Andes stainless steel - andes,

Andes stainless steel - andes,

£9.99
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Thermos flask stainless - 2l,

Thermos flask stainless - 2l,

£14.95
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Stainless steel vacuum - stainless,

Stainless steel vacuum - stainless,

£12.64
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1000ml stainless steel - 1000ml, sports

1000ml stainless steel - 1000ml, sports

£5.49
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Stainless steel vacuum flask - vacuum,

Stainless steel vacuum flask - vacuum,

£7.95
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Insulated stainless steel - insulated,

Insulated stainless steel - insulated,

£15.99
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510ml coffee mug cup - mug,

510ml coffee mug cup - mug,

£6.19
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500ml stainless steel water - stainless,

500ml stainless steel water - stainless,

£8.89
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Thermos flask stainless - 2l,

Thermos flask stainless - 2l,

£14.59
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Flask for hot drinks 5l - hot, 1.5l

Flask for hot drinks 5l - hot, 1.5l

£17.21
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Water flask bottle - 1.2l,

Water flask bottle - 1.2l,

£12.89
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Stainless steel double - stainless,

Stainless steel double - stainless,

£9.99
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Klean kanteen classic flip - kanteen,

Klean kanteen classic flip - kanteen,

£7.00
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Vacuum insulated flask gift - vacuum,

Vacuum insulated flask gift - vacuum,

£6.88
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Hot food soup thermos - hot, food/soup

Hot food soup thermos - hot, food/soup

£8.64
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Thermos king flask vacuum - flask,

Thermos king flask vacuum - flask,

£15.95
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Lit stainless steel - 3l/5l,

Lit stainless steel - 3l/5l,

£17.85
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Thermos flask stainless - 2l,

Thermos flask stainless - 2l,

£15.99
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Stainless steel thermal - 1l,

Stainless steel thermal - 1l,

£8.65
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Thermos glass vacuum flask - vacuum,

Thermos glass vacuum flask - vacuum,

£19.99
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Stainless steel vacuum - steel,

Stainless steel vacuum - steel,

£14.59
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500ml thermal flask for - x,

500ml thermal flask for - x,

£11.99
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Trespass stainless steel water - stainless,

Trespass stainless steel water - stainless,

£8.99
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Mebanix food flask hot - food,

Mebanix food flask hot - food,

£10.99
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Vacuum thermos flask - 2l,

Vacuum thermos flask - 2l,

£15.59
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Trespass aluminium drinking - 1l,

Trespass aluminium drinking - 1l,

£8.99
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Hydro flask vacuum - hydro,

Hydro flask vacuum - hydro,

£17.09
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Vacuum thermos flask - 3l,

Vacuum thermos flask - 3l,

£33.99
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500ml stainless steel - stainless, thermo

500ml stainless steel - stainless, thermo

£7.50
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Insulated water bottle - insulated,

Insulated water bottle - insulated,

£5.99
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Coffee mug cup flask 500ml - mug,

Coffee mug cup flask 500ml - mug,

£5.99
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510 leakproof insulated - ml,

510 leakproof insulated - ml,

£5.49
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800ml thermos food flask - food,

800ml thermos food flask - food,

£15.99
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Kombat hot cold vacuum flask - kombat,

Kombat hot cold vacuum flask - kombat,

£9.39
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1000ml stainless steel - 1000ml, sports

1000ml stainless steel - 1000ml, sports

£5.39
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Stainless steel thermos - 1.2l,

Stainless steel thermos - 1.2l,

£14.44
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Hydro flask 40oz - hydro, –

Hydro flask 40oz - hydro, –

£14.59
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150ml mini stainless steel - mini,

150ml mini stainless steel - mini,

£5.99
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Vacuum insulated flask - insulated, set

Vacuum insulated flask - insulated, set

£7.59
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Lifestyl stainless steel water - steel,

Lifestyl stainless steel water - steel,

£9.99
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Stainless steel thermos flask - thermos,

Stainless steel thermos flask - thermos,

£6.40
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Stainless steel water - stainless, flask

Stainless steel water - stainless, flask

£12.69
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500ml 100 pure - 500ml,

500ml 100 pure - 500ml,

£14.99
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Coffee mug cup flask 510ml - ,

Coffee mug cup flask 510ml - ,

£5.19
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750ml 100 copper - 750ml, 100%

750ml 100 copper - 750ml, 100%

£17.49
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Thermos flask stainless - flask,

Thermos flask stainless - flask,

£20.99
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Soup jar food flask - or, &

Soup jar food flask - or, &

£4.96
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Vacuum insulated flask - vacuum,

Vacuum insulated flask - vacuum,

£6.80
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300ml stainless steel - 300ml, water

300ml stainless steel - 300ml, water

£6.89
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Stainless steel vacuum - 2l,

Stainless steel vacuum - 2l,

£11.85
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Thermos flask vacuum - 3l,

Thermos flask vacuum - 3l,

£23.99
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Stainless steel water - steel,

Stainless steel water - steel,

£8.49
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Vacuum insulated flask - vacuum,

Vacuum insulated flask - vacuum,

£6.85
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Vacuum flask tea - flask,

Vacuum flask tea - flask,

£15.99
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Vacuum insulated flask gift - insulated,

Vacuum insulated flask gift - insulated,

£6.80
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Tea coffee air pot - air,

Tea coffee air pot - air,

£20.45
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Insulated travel coffee mug - coffee,

Insulated travel coffee mug - coffee,

£6.99
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Vacuum kettle flask - 2.3l,

Vacuum kettle flask - 2.3l,

£13.65
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Thermos mondial flask - flask, glass

Thermos mondial flask - flask, glass

£20.95
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One hand open 1000ml - open, insulated

One hand open 1000ml - open, insulated

£11.99
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Thermos flask vacuum - flask,

Thermos flask vacuum - flask,

£15.99
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Large capacity flask - large, hot

Large capacity flask - large, hot

£17.21
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Thermos stainless king - thermos,

Thermos stainless king - thermos,

£17.50
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Stainless steel water - steel, bottle

Stainless steel water - steel, bottle

£9.99
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Large hot cold water - water, bottle

Large hot cold water - water, bottle

£8.37
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Kids pink unicorn stainless - pink,

Kids pink unicorn stainless - pink,

£6.51
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500ml insulated stainless - insulated,

500ml insulated stainless - insulated,

£6.24
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Tea coffee air pot - 2l/3l/5l,

Tea coffee air pot - 2l/3l/5l,

£20.45
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Thermos king stainless steel - king,

Thermos king stainless steel - king,

£15.19
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Thermos mondial glass - thermos,

Thermos mondial glass - thermos,

£15.99
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Thermos glass vacuum flask - thermos, hot

Thermos glass vacuum flask - thermos, hot

£18.49
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1000ml stainless steel - 1000ml,

1000ml stainless steel - 1000ml,

£6.73
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Vacuum insulated flask - vacuum,

Vacuum insulated flask - vacuum,

£9.72
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800ml stainless steel - steel, water

800ml stainless steel - steel, water

£8.95
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240ml leakproof insulated - leakproof,

240ml leakproof insulated - leakproof,

£8.89
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Air pot tea flask vacuum - pot,

Air pot tea flask vacuum - pot,

£21.85
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Copper water bottle 800ml - copper,

Copper water bottle 800ml - copper,

£15.96
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Creek leak proof - creek, double

Creek leak proof - creek, double

£7.90
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Thermal travel coffee mug cup - thermal,

Thermal travel coffee mug cup - thermal,

£8.86
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Heftman hot water flask - hot,

Heftman hot water flask - hot,

£26.09
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Nordrok steel flask - nordrok, vacuum

Nordrok steel flask - nordrok, vacuum

£9.99
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Thermos flask stainless - thermos,

Thermos flask stainless - thermos,

£14.99
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Thermal travel mug - thermal,

Thermal travel mug - thermal,

£5.65
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For wd40 insulated coffee - for, mug

For wd40 insulated coffee - for, mug

£8.65
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Pure copper water bottle - pure, 1

Pure copper water bottle - pure, 1

£14.99
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Thermal coffee tea pot - thermal,

Thermal coffee tea pot - thermal,

£11.79
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Lmetjma 8 9 - 9, oz

Lmetjma 8 9 - 9, oz

£4.99
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Coffee mug cup - cup, flask

Coffee mug cup - cup, flask

£5.19
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Coffee mug cup - cup,

Coffee mug cup - cup,

£6.25
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Thermos flask vacuum - thermos,

Thermos flask vacuum - thermos,

£9.99
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510ml stainless steel - 510ml,

510ml stainless steel - 510ml,

£9.95
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Minecraft creeper digital - minecraft,

Minecraft creeper digital - minecraft,

£16.75
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Fellfox soft flask 500ml pack - 500ml,

Fellfox soft flask 500ml pack - 500ml,

£7.05
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📊96 listings · from £4.96 · avg £11.75

Browse 96 flask listings currently in our index. Prices range from £4.96 to £33.99, with an average of £11.75. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about flask →

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< £25 £25 – £50 £50 – £100 £100 – £200 £200 – £500 > £500

Everything you need to know about flask

Whether you are looking for a brand-new or second-hand flask, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £4.96, while premium listings can reach £33.99 — giving you a wide budget spread to work with. The average price of £11.75 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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