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The Best Thermos Flasks of 2024

best-thermos-flask

What Is The UK’s Best Thermos Flask?

Which is the best thermos flask for you? That really depends on your needs and what you’re looking for in a thermos. Are you looking for something to keep drinks hot or cold? Do you need a sturdy design that can handle being knocked around? Or are you looking for something with a ton of extra features? No matter what your needs, we’ve got you covered with our list of the best thermos flasks available on the market today.

Thermos Flask Reviews

B001EN21BS
6939236331098

The Thermos Stainless King Flask is a must-have accessory for anyone who likes to take hot drinks out with them.

Its advanced sealing technology helps to keep liquids hot or cold for up to 24 hours, so it’s useful for all the seasons.

The flask also features a convenient twist and pour stopper that allows you to easily dispense liquids without removing the stopper. Plus, it stays cool to the touch with hot liquids and sweat-proof with cold beverages.

Simply put, this flask is perfect for those who want to enjoy their favourite drink anytime, anywhere.

It comes with a serving cup and the 1.2-litre capacity means you’ll have enough to drink while keeping the flask lightweight.

The Thermos Stainless King Flask is a must-have accessory for anyone who likes to take hot drinks out with them.

Its advanced sealing technology helps to keep liquids hot or cold for up to 24 hours, so it’s useful for all the seasons.

The flask also features a convenient twist and pour stopper that allows you to easily dispense liquids without removing the stopper. Plus, it stays cool to the touch with hot liquids and sweat-proof with cold beverages.

Simply put, this flask is perfect for those who want to enjoy their favourite drink anytime, anywhere.

It comes with a serving cup and the 1.2-litre capacity means you’ll have enough to drink while keeping the flask lightweight.

Our Score:
4.9
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B00DGPPY20
5010576848079,0374528363627

If you’re looking for a reliable and durable food flask to keep your meals hot or cold all day long, then the Thermos 184807 Stainless King Food Flask (470 ml) is an excellent option.

With its high quality vacuum insulation, this flask is able to retain heat for up to nine hours, which is perfect for taking hot foods on the go. Plus, with its insulated lid that can be used as a bowl, you can eat your food directly from the flask without needing to dirty another dish.

It can be used for cold foods as well, keeping them cool for up to 14 hours.

The exterior remains cool to the touch even when the contents is hot, and condensation-free when transporting chilled items.

It even comes with a full-size folding spoon, making it easy to eat when you’re out and about.

If you’re looking for a convenient and versatile food storage option, look no further than the Thermos 184807 Stainless King Food Flask. It truly lives up to its name and offers an elegant solution to on-the-go eating.

If you’re looking for a reliable and durable food flask to keep your meals hot or cold all day long, then the Thermos 184807 Stainless King Food Flask (470 ml) is an excellent option.

With its high quality vacuum insulation, this flask is able to retain heat for up to nine hours, which is perfect for taking hot foods on the go. Plus, with its insulated lid that can be used as a bowl, you can eat your food directly from the flask without needing to dirty another dish.

It can be used for cold foods as well, keeping them cool for up to 14 hours.

The exterior remains cool to the touch even when the contents is hot, and condensation-free when transporting chilled items.

It even comes with a full-size folding spoon, making it easy to eat when you’re out and about.

If you’re looking for a convenient and versatile food storage option, look no further than the Thermos 184807 Stainless King Food Flask. It truly lives up to its name and offers an elegant solution to on-the-go eating.

Our Score:
4.85
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B000TAOWC8
9863215410481,0039409222577,5055942975386,5010576810915,5054480156844,5054251500968,9786040418845

The Thermos ThermoCafe Stainless Steel Flask is the ideal companion for anyone who spends a lot of time outdoors. This 1-litre flask is easy to transport and practical to use.

The double wall vacuum insulation keeps your drinks hot or cold for hours, and the durable stainless steel interior and exterior ensure that this flask is built to last.

Its sleek, slimline design makes it easy to carry, and the exterior remains cool to the touch with hot liquids and condensation-proof with cold liquids. It’s therefore a great choice for both summer and winter.

Whether you are headed on a long hike or simply going to work, this flask is sure to be an essential part of your outdoor gear.

Overall, I highly recommend the Thermos ThermoCafe Stainless Steel Flask for anyone seeking a reliable and durable outdoor drinking solution.

The Thermos ThermoCafe Stainless Steel Flask is the ideal companion for anyone who spends a lot of time outdoors. This 1-litre flask is easy to transport and practical to use.

The double wall vacuum insulation keeps your drinks hot or cold for hours, and the durable stainless steel interior and exterior ensure that this flask is built to last.

Its sleek, slimline design makes it easy to carry, and the exterior remains cool to the touch with hot liquids and condensation-proof with cold liquids. It’s therefore a great choice for both summer and winter.

Whether you are headed on a long hike or simply going to work, this flask is sure to be an essential part of your outdoor gear.

Overall, I highly recommend the Thermos ThermoCafe Stainless Steel Flask for anyone seeking a reliable and durable outdoor drinking solution.

Our Score:
4.8
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B075324Z2F
5010576700339

The Thermos 170033 Stainless King Food Flask (710 ml) is an excellent choice for anyone looking for a high-quality, durable food container.

This flask is crafted from premium-quality stainless steel which is durable and suitable for outdoor use. It’s designed to keep hot foods hot for up to 14 hours, and cold foods cold for up to 24 hours. Whether you’re bringing soup or a salad with you on a long day at work, or packing an ice-cold drink for a hike, this Thermos Flask is the ideal companion.

Plus, thanks to its insulated stainless steel lid that doubles as a serving bowl, there’s no need to pack additional dishes.

The Thermos 170033 Stainless King Food Flask (710 ml) is an excellent choice for anyone looking for a high-quality, durable food container.

This flask is crafted from premium-quality stainless steel which is durable and suitable for outdoor use. It’s designed to keep hot foods hot for up to 14 hours, and cold foods cold for up to 24 hours. Whether you’re bringing soup or a salad with you on a long day at work, or packing an ice-cold drink for a hike, this Thermos Flask is the ideal companion.

Plus, thanks to its insulated stainless steel lid that doubles as a serving bowl, there’s no need to pack additional dishes.

Our Score:
4.75
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B008F7O1NM
0798256020704,5010576870117

The Thermos 187011 ThermoCafe Stainless Steel Flask is a small, personal flask that is perfect for taking your favourite hot or cold beverages on the go.

Featuring an attractive hammered-steel grey finish and a 500 ml capacity, the ThermoCafe is great for everyday use. At only 25 cm long, it easily fits into a handbag or backpack, making it ideal for taking to work or for using on outdoor adventures.

This flask stays cool to the touch when filled with hot liquids and doesn’t get covered with condensation when carrying cold liquids. It also comes with an insulated stainless steel serving cup.

Overall, if you’re after a small flask that’s easy to carry fit into a handbag or backpack, this is a great option to consider.

The Thermos 187011 ThermoCafe Stainless Steel Flask is a small, personal flask that is perfect for taking your favourite hot or cold beverages on the go.

Featuring an attractive hammered-steel grey finish and a 500 ml capacity, the ThermoCafe is great for everyday use. At only 25 cm long, it easily fits into a handbag or backpack, making it ideal for taking to work or for using on outdoor adventures.

This flask stays cool to the touch when filled with hot liquids and doesn’t get covered with condensation when carrying cold liquids. It also comes with an insulated stainless steel serving cup.

Overall, if you’re after a small flask that’s easy to carry fit into a handbag or backpack, this is a great option to consider.

Our Score:
4.7
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B001EN21BS
6939236331098

The Stanley Classic Legendary Bottle (1.9L) is a solidly constructed, durable thermos flask, designed to keep your drinks hot or cold for up to 32 hours.

With a tight-fitting lid, leak-proof design, and sturdy carry handle, this portable flask is an excellent choice for anyone who wants to stay hydrated on the go.

What’s more, it comes in a stylish green finish that gives it a classic, traditional feel.

Whether you’re hiking through the wilderness or simply want to keep your coffee hot at work, the Stanley Legendary will easily meet your needs. It’s also dishwasher safe, which is always a bonus!

If you’re looking for a high-quality thermos that can keep up with an active lifestyle, or keep drinks hot and cold at your desk, consider this large Stanley Classic Legendary Bottle.

The Stanley Classic Legendary Bottle (1.9L) is a solidly constructed, durable thermos flask, designed to keep your drinks hot or cold for up to 32 hours.

With a tight-fitting lid, leak-proof design, and sturdy carry handle, this portable flask is an excellent choice for anyone who wants to stay hydrated on the go.

What’s more, it comes in a stylish green finish that gives it a classic, traditional feel.

Whether you’re hiking through the wilderness or simply want to keep your coffee hot at work, the Stanley Legendary will easily meet your needs. It’s also dishwasher safe, which is always a bonus!

If you’re looking for a high-quality thermos that can keep up with an active lifestyle, or keep drinks hot and cold at your desk, consider this large Stanley Classic Legendary Bottle.

Our Score:
4.65
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B000T21JFE
6939236311472

The Stanley Classic Legendary Bottle 1L/1.1QT Hammertone Green is a highly functional, durable thermos flask that is perfect for keeping beverages hot or cold throughout the day.

Made from high-quality stainless steel and featuring a leak-proof lid, this flask is both easy to use and convenient. In addition, its compact size makes it ideal for transporting to work or taking on hike. Plus, its sleek design means it doesn’t add much weight to bags.

Whether you’re using the flask for your morning coffee on your way to work or a piping hot cup of soup at lunch, it’s a great option. It’s great for using on a desk to avoid boiling the kettle more than necessary.

The Stanley Classic Legendary Bottle 1L/1.1QT Hammertone Green is a highly functional, durable thermos flask that is perfect for keeping beverages hot or cold throughout the day.

Made from high-quality stainless steel and featuring a leak-proof lid, this flask is both easy to use and convenient. In addition, its compact size makes it ideal for transporting to work or taking on hike. Plus, its sleek design means it doesn’t add much weight to bags.

Whether you’re using the flask for your morning coffee on your way to work or a piping hot cup of soup at lunch, it’s a great option. It’s great for using on a desk to avoid boiling the kettle more than necessary.

Our Score:
4.6
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Thermos Flask Buyer’s Guide

Whether you’re heading out on an adventure into the wilderness or fancy a hot coffee for your train journey into work, a thermos flask is an essential. Investing in a thermos flask will save you money on coffee while you’re out and about, and they’ll keep your drinks either hot or cool for up to 24 hours. They can even be used for taking your packed lunch into work!

The best thermos flask for you can be tricky to find, as there’s such an enormous range on the market today. Not sure what to look for when it comes to the best thermos flask? This buyer’s guide will tell you what’s what.

Design

What you plan on using your thermos flask for will determine the design you opt for. If you’ll be taking it on hikes or camping trips, it should slot easily and neatly into your bag without bulking it out. If you’re going to be using it while travelling or on the train, it should be easy and comfortable to carry by hand.

The classic cylinder design is perfect for hot teas and coffees, while smaller thermos flasks with a wide opening are great for soups and other foods – as this makes them easier to eat from and clean.

Capacity

Flasks can range from around 300ml to over 1L! Remember that the more you fill your flask and the larger it is, the heavier it’ll be to carry. If you are using the flask for long distance journeys you’ll want one with a larger capacity (so more room for coffee!), while your mid-morning brew at work can fit in a much smaller flask.

Purpose

There’s a range of reasons to buy a thermos flask. If you’re going camping and want a hot drink in the evening, a large flask that fits neatly into your bag is perfect. Go for one with extra insulation to ensure your drink stays hot for as long as possible. The twist and pour opening is good for the outdoors, as you won’t be in danger of losing anything and the lid will double up as a cup.

For food, a small, compact thermos flask with a large opening is ideal. This makes them easy to clean, and they can usually fit a deceptive amount of soup or hard food! Look for one with an included bowl or serving spoon if you won’t have access to these.

Cool Features

It’s essential that your thermos flask stays cool no matter how hot the contents. The best thermos flask will keep the contents hot while staying cool to the touch. This means you can pack it away in your bag or carry it without any chance of getting burned.

Thermos flasks aren’t just a winter product. They will also keep any food or drinks cool for up to 24 hours, making them ideal for carrying cold water, or cold foods on hot summer walks. Unlike regular water bottles they can be left in the sun (although please try not to do this!), without any risk of the contents going warm.

Material

Most thermos flasks are made from stainless steel which is durable, easy to clean and very good at retaining heat. Plastic thermos flasks are available and usually cost a lot less, but these don’t retain heat quite so well and certainly won’t last as long. You’ll pay more upfront for stainless steel but it’s a much more reliable option.

Lid

Ensure the lid of your thermos flask is secure and effective. There should be no leaks, and it should loosen and tighten easily. Screw caps are the best option as they are most likely to stay on, but check reviews before you buy. The best thermos flask will have a lid which doubles up as a cup or bowl, so you don’t have to carry one separately.

FAQ

How does a thermos flask work? 

Thermos flasks are simple inventions that work using insulation. They have a stainless steel case, and usually an inner layer of stainless steel. The air between the 2 layers is sucked out creating a vacuum. As heat is transferred through air, the vacuum stops air from transferring – keeping your food and drinks hot. Heat is also preventing from reaching the inside due to the vacuum, meaning your cold drinks will stay cold no matter how hot it is outside.

How to clean a thermos flask?

Thermos flasks are usually pretty easy to clean, but they must be cleaned after every use. Do not put them in the dishwasher. Instead, use warm water and washing up liquid to clean your flask, rinsing thoroughly with hot water. To remove coffee stains, add a teaspoon of bicarbonate of soda and fill with hot water. Leave this solution overnight then rinse a couple of times.

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