Advertising Disclosure Thermos Flask Comparison - September 2025
6 Best Thermos Flask In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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| 1 Best Choice  9.8Exceptional | 2 Best Value  9.5Excellent | 3  9.4Excellent | 4  9.2Excellent | 5  9.1Excellent | 6  8.9Very Good |
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ModelThermos - Stainless King Red Travel Flask (1.2L) - Premium Leak Proof Insulated Tea & Coffee Flask for Hot & Cold Drinks, Built-in Cup, Twist-Pour Stopper, BPA-Free, Durable Steel, Dishwasher Safe | Model Thermos Thermo Cafe S/S Flask - 181109, Silver, 0.5 Litre | Model Milton Vacuum Flask for Hot Drink 1 Litre (34 oz), Stainless Steel Double Walled Insulated Water Bottle for 24 Hour Hot and Cold Drinks with Cover, Leak Proof, BPA Free, Thermosteel Flip Lid 1000 ml | Model Thermos Stainless Steel Flask, Hammertone Blue, 1 l | Model Thermos Stainless King 470ml Multi-Purpose Thermos Flask - Original-Style Flask can be used as Travel Mug or Insulated Water Bottle for Daily Commute & Weekend Adventures – Matt Black, 5-Year Warranty | Model Andes 1 Litre Stainless Steel Insulated Vacuum Travel Tea/Coffee Thermos Flask Bottle |
BrandThermos | Brand Thermos | Brand MILTON | Brand THERMOcafé by THERMOS 170694 ThermoCafé Stainless Steel Flask, Hammertone Blue, 1 L | Brand Thermos | Brand Andes |
Reviews | Reviews  | Reviews | Reviews | Reviews | Reviews  |
Features | |||||
Watertight 9.9 | Watertight 9.8 | Watertight 8.9 | Watertight 9.8 | Watertight 9.9 | Watertight 8.6 |
Simple to clean 9.6 | Simple to clean 9.6 | Simple to clean 9.1 | Simple to clean 9.6 | Simple to clean 9.6 | Simple to clean 9.1 |
Lasts a long time 9.6 | Lasts a long time 9.6 | Lasts a long time 8.6 | Lasts a long time 9.4 | Lasts a long time 9.3 | Lasts a long time 8.6 |
Durability 9.8 | Durability 9.6 | Durability 9.1 | Durability 9.6 | Durability 9.9 | Durability 8.6 |
Worth the money 9.8 | Worth the money 9.6 | Worth the money 9.1 | Worth the money 9.3 | Worth the money 8.9 | Worth the money 7.9 |
Tech Specs | |||||
product dimensions 32.41 x 15.01 x 9.8 cm 289.99 g | product dimensions 2.76 x 2.76 x 9.84 cm 290.3 g | product dimensions 33.27 x 9.78 x 9.78 cm 530 g | product dimensions 8.7 x 8.7 x 31 cm 520 g | product dimensions 25.2 x 8.41 x 5.99 cm 320 g | product dimensions 32 x 8 x 32 cm 1 kg |
item weight 289 g | item weight 0.64 Pounds | item weight 530 Grams | item weight 520 g | item weight 320 g | item weight 1 kg |
customer reviews4.7 4.7 out of 5 stars 21, 761 ratings 4.7 out of 5 stars | customer reviews 4.6 4.6 out of 5 stars 20, 429 ratings 4.6 out of 5 stars | customer reviews 4.2 4.2 out of 5 stars 93, 886 ratings 4.2 out of 5 stars | customer reviews 4.6 4.6 out of 5 stars 11, 441 ratings 4.6 out of 5 stars | customer reviews 4.7 4.7 out of 5 stars 4, 271 ratings 4.7 out of 5 stars | customer reviews 4.1 4.1 out of 5 stars 165 ratings 4.1 out of 5 stars |
material Stainless Steel | material - | material - | material Stainless Steel | material Stainless Steel | material Stainless Steel |
special features Cold 24 Hours, Warm | special features - | special features - | special features Durable, Lightweight | special features Hot 12 Hours, Cold 24 Hours | special features Leakproof, Double Wall |
capacity 1.2 litres | capacity - | capacity - | capacity 1000 Millilitres | capacity 470 Millilitres | capacity 1 litres |
color Cranberry Red | color - | color - | color Hammertone Blue | color Black | color Silver |
Available On | Available On | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.8
1ThermosThermos - Stainless King Red Travel Flask (1.2L) - Premium Leak Proof Insulated Tea & Coffee Flask for Hot & Cold Drinks, Built-in Cup, Twist-Pour Stopper, BPA-Free, Durable Steel, Dishwasher Safe
9.9 Watertight9.8 Durability9.8 worth the moneyWhy we love it
Keeps drinks hot or cold for 24 hours.
Durable stainless steel build.
Easy to pour without removing stopper.
-
9.4
3MILTON
Milton Vacuum Flask for Hot Drink 1 Litre (34 oz), Stainless Steel Double Walled Insulated Water Bottle for 24 Hour Hot and Cold Drinks with Cover, Leak Proof, BPA Free, Thermosteel Flip Lid 1000 ml
9.1 Simple to clean9.1 Durability9.1 worth the moneyWhy we love it
Keeps drinks hot or cold for 24 hours.
Durable and leak-proof design.
BPA-free and safe for use.
Our ranking system
The TopChoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria.We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. TopChoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.
Features
Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.
Consumer Reviews
We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.
Popularity
Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
