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5 Best Vacuum Flasks of 2025

Last Updated - 05/05/2025

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

STANLEY

Stanley Classic Legendary Thermal Flask 1L - Keeps 24 Hours Hot or Cold - Stainless Steel Flask for Hot Drink - BPA-Free - Dishwasher Safe - Leak-proof Lid Serves As A Cup - Hammertone Green

STANLEY

£44.99

More Details
Main highlights
- HOT OR COLD FOR 24 HOURS: Fill the 1L thermal flask with water, coffee, tea, or other drinks, whether at home, work, or outdoors. The double-wall vacuum insulation keeps your drinks hot or cold for 24 hours and iced for 120 hours.
- EXTREMELY DURABLE: Our leak-proof vacuum bottle has withstood speeding bullets, 4000 ft drops and category 5 hurricanes; The iconic style and rugged durability of this insulated bottle means it’s made to go anywhere
- DISHWASHER SAFE: This insulated bottle designed to be cleaned easily; Every piece of this stainless steel vacuum flask is dishwasher safe, top rack only
- BUILT FOR LIFE: 'Built for Life' has been the Stanley promise since 1913, manufacturing rugged, high-performance products that last a lifetime; Stanley products have a lifetime warranty against manufacturing defects
- BPA-FREE STAINLESS STEEL: All contact surfaces are guaranteed to be safe and BPA-FREE; The steel we use is 18/8, or grade 304, otherwise known as food-grade stainless steel
£44.99
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

STANLEY

Stanley Classic Legendary Thermal Flask 1L - Keeps Hot Or Cold For 24 Hours - BPA-Free Insulated Bottle - Stainless Steel Coffee Flask - Leakproof - Dishwasher Safe - Hammertone Green

STANLEY

£43.99

More Details
Main highlights
- SUSTAINABILITY AT STANLEY: We believe in creating a more sustainable world through our Built For Life promise and century-old brand. Stanley looks to eliminate the need for single-use disposables and increase recycled content materials every year.
- MULTI-PURPOSE LEAK PROOF LID: The Stanley thermos is designed with a leak-resistant lid, so you can put it in your backpack without worrying about any spills. The wide mouth of the thermos helps with easy pouring into the lid that doubles as a cup
- KEEP DRINKS HOT OR COLD FOR 24 HOURS: The Stanley Classic Thermos Flask features superior insulation that keeps drinks hot or cold for 24 hours. Add ice to keep it cold for up to 5 days. Available in sizes from 0.47L to 2.3L.
- DISHWASHER SAFE: This thermos is designed to clean easily. Every piece of this stainless steel vacuum bottle is dishwasher safe.
- BUILT FOR LIFE: 'Built for Life' has been the Stanley promise since 1913, manufacturing rugged, high-performance products that last a lifetime; Stanley products have a lifetime warranty against manufacturing defects
£43.99
3
Best Value
16% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Thermos
16% Off

Thermos Stainless King 1.2L Multi- Purpose Thermos Flask - Original-Style Flask can be used as Travel Mug or Insulated Water Bottle for Daily Commute & Weekend Adventures – Red, 5- Year Warranty

Thermos

£24.99

£30.00
(16% Off)

More Details
Main highlights
- Thermos Vacuum Insulation: Unrivaled temperature retention for hours in our stainless steel water bottle. Your coffee stays piping hot and your iced tea refreshingly cold
- Thermos Stainless King 1.2L Flask
- Thermos Stainless King 1.2L Flask
- Pour with Precision: The clever twist-and-pour stopper lets you serve without removing the lid. No spills, no fuss - just smooth pouring action for your coffee mug travel companion
- Offers Thermos' excellent temperature retention technology.
- Keeps your beverages hot whilst you are on the move.
- Hard-as-Nails Construction: Crafted with durable stainless steel inside and out, this metal water bottle withstands drops, dings, and daily wear while keeping your drinks & food optimum
- Easy to clean, just use warm soapy water.
- Easy pour lid makes this a practical yet easy-to-use piece of your kit.
- Comfort in Every Sip: Stay cool and dry with this innovative thermos travel mug for hot drinks. No more burned hands or condensation rings - just pure drinking pleasure, hot or cold
£24.99
£30.00 (16% Off)
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

STANLEY

Stanley Aerolight Transit Travel Mug 0.35L - Keeps 4 Hours Hot - 6 Hours Cold - Dishwasher Safe - Leakproof - Car Cup Holder Compatible - Thermal Coffee Mug - Rose Quartz

STANLEY

£30.00

£32.95
(8% Off)

More Details
Main highlights
- SUSTAINABLE TRAVEL CUP: At Stanley, we create a more sustainable world through invention and originality. Committed to eliminating single-use disposables, we aim to increase recycled materials yearly, making sustainability accessible for everyone.
- SPILL PROOF DRINK-THROUGH LID: This lid lets you carry your coffee cup travel mug in your bag without spills. Push the lid up to sip and lock it down for secure closure. Enjoy your drink with confidence using the locking drink-through lid.
- KEEPS DRINKS HOT FOR 4 HOURS: This leakproof coffee mug keeps drinks hot for 4 hours and cold for 6. Its lightweight double-wall vacuum insulation ensures durability without sacrificing temperature retention, perfect for hot tea or cold water.
- DISHWASHER SAFE: This vacuum bottle is designed to clean easily. Throw your Stanley cup into the dishwasher once home, ready to hit tomorrows commute or international adventure. Every piece of this stainless steel vacuum bottle is dishwasher safe.
- BUILT FOR LIFE: 'Built for Life' has been the Stanley promise since 1913, manufacturing rugged, high-performance products that last a lifetime; Stanley products have a lifetime warranty against manufacturing defects
£30.00
£32.95 (8% Off)
5
11% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

LOKPESCO
11% Off

LOKPESCO Flask for Hot Drink 1.5L, Stainless Steel Flask for Hot and Cold Drinks, Vacuum Insulated Water Bottle, Coffee Thermo Flask, Double Wall Large Travel Flask for Outdoor Home Office (Green)

LOKPESCO

£24.69

£27.99
(11% Off)

More Details
Main highlights
- PORTABLE AND CONVENIENT: soft rubber handle of this vacuum flask is retractable and non-slip, help to carry the water bottle much more conveniently, and with the shoulder strap, you can carry it on your back when traveling outdoor
- LEAKPROOF AND CUP LID: the inner plug sealing insulation cover can isolate the external temperature and achieve insulation and leak prevention effects. The inside of the lid is made of food-grade 304 stainless steel, rust resistant, can be used as cup to drink directly
- KEEP HOT AND KEEP COLD: this coffee thermo flask is made of food-grade 304 stainless steel, double-walled, vacuum insulated, and the inner layer is coated with copper, all these give this steel water bottle a very good insulation performance that keep hot or cold both for more than 24 hours
- INDOOR AND OURDOOR USE: this insulated water bottle is ideal for all type of drinks, such as hot water, coffee, tea, milk, soup, beverage, suitable for indoor and outdoor activities, such as hiking, camping, fishing, taking some drinks to office, working outdoors all day
- 1.5 L BIG CAPACITY: this flask for hot and cold drinks has a 1.5 L capacity, can meet your daily water needs for human body, and If you want to take a good amount of coffee out, the volume of this coffee flask is just right
£24.69
£27.99 (11% Off)

5 Best Vacuum Flasks of 2025

Stanley Classic Legendary Thermal Flask 1L - Keeps 24 Hours Hot or Cold - Stainless Steel Flask for Hot Drink - BPA-Free - Dishwasher Safe - Leak-proof Lid Serves As A Cup - Hammertone Green

Stanley Classic Legendary Thermal Flask 1L - Keeps Hot Or Cold For 24 Hours - BPA-Free Insulated Bottle - Stainless Steel Coffee Flask - Leakproof - Dishwasher Safe - Hammertone Green

Thermos Stainless King 1.2L Multi- Purpose Thermos Flask - Original-Style Flask can be used as Travel Mug or Insulated Water Bottle for Daily Commute & Weekend Adventures – Red, 5- Year Warranty

Stanley Aerolight Transit Travel Mug 0.35L - Keeps 4 Hours Hot - 6 Hours Cold - Dishwasher Safe - Leakproof - Car Cup Holder Compatible - Thermal Coffee Mug - Rose Quartz

LOKPESCO Flask for Hot Drink 1.5L, Stainless Steel Flask for Hot and Cold Drinks, Vacuum Insulated Water Bottle, Coffee Thermo Flask, Double Wall Large Travel Flask for Outdoor Home Office (Green)

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