The Best Coffee Flask
Overview
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Whether you prefer your coffee steaming hot or refreshing and iced, the best coffee flask will keep your drink at the perfect temperature for many hours.
With plenty of affordable options available, choosing the best coffee travel flask boils down to your preference and needs.
Are you in search of a lid that allows sipping while driving or a spill-proof bottle you can confidently carry?
For coffee lovers on the move, here are our top recommendations for thermal coffee flasks.
What Makes A Good Coffee Flask?
The best thermos flasks for coffee are easy to open, pour and use.
A good flask will not spill and be lightweight.
A flask that has all of these qualities can come at a cost, but we have found the best options to accommodate your budget.
Size
Before you buy your coffee flask ask yourself, what will I be using a coffee flask for and why do I need one?
Are you wanting an insulated coffee flask, a small coffee flask or a travel flask?
Are you looking to keep your coffee deliciously warm whilst on the move?
Or are you wanting a coffee flask for a family camping trip?
By knowing what you will use your coffee flask for the most, will help you determine the size of the flask you need.
Heat retention
The best thermal coffee flask will keep your coffee warm for as long as you need.
Look for a coffee flask that is built with good quality double walled stainless steel thermos.
If you’re on a budget, you could opt for a plastic thermos. However, it will not keep your coffee warm for as long.
Flasks can also keep cold drinks cool.
So if a cold brew or iced coffee is more for you then see our list of recommendations.
Design
Coffee flasks come in all different kinds of shapes, sizes and designs.
Finding the right one can be tricky but it depends on your preference.
Do you prefer a flask with a detachable cup or a drinkable lid?
Best Coffee For Aeropress (2023)
Do you need an easy to carry coffee flask or a family sized design?
The best design for you will vary depending on your needs.
Top 6 Coffee Flasks
1. Fellow Carter Wide Mug
Dimensions: 77x146mm or 77x178mm
Capacity: 350ml or 450ml
Material: Plastic, Stainless Steel, Ceramic Coated
Features: Ceramic Coated, Oderless.
The Fellow Cater Wide Mug was built with great design in mind.
Designed to enhance your sensory experience and to fit most manual brewing devices, you can savour the true essence of coffee wherever you go.
This coffee flask features a drinkable thin lip and aromatic wide mouth allowing you to fully experience your delightful and rich brew without any restrictions.
Unlike stainless steel alternatives, the Fellow Carter Wide Mug is coated with a smooth and sealed ceramic layer.
This special coating ensures that your brew remains odour-free and tastes great.
With a wide diameter rim, this wide coffee flask allows most brewing devices direct access.
This coffee flask is great for both hot and cold brews. With a double wall vacuum, you can keep your coffee warm for 12 hours or cold for 24.
This insulated coffee flask is cost effective and offers a range of cool features that sets it apart from others on the market.
2. Hydro Flask
Dimensions: 72x199mm or 73x237mm
Capacity: 350ml or 450ml
Material: Plastic, Stainless Steel
Features: Leak Proof, Dishwasher Friendly
This vacuum-insulated stainless steel travel mug is an excellent choice for coffee enthusiasts who are constantly on the move.
Its double-wall design ensures that your coffee remains hot for 12 hours, effectively preventing any heat from escaping outside the flask.
This flask keeps cold beverages refreshing for up to 24 hours, making it one of the best coffee travel flasks.
Crafted with pro-grade stainless steel, this travel flask is not only eco-friendly but also known for its durability and ability to preserve the rich flavours of coffee.
Equipped with a leak-proof flex sip lid and a wide mouth, you can savour your coffee without worrying about spills or mess.
Compatible with other lids from Hydro, you can choose from a wide range of options that suits your preference.
Designed with a powder coat, this insulated coffee flask offers an easy grip and can accommodate up to 354 ml of coffee.
If you're in search of a convenient solution for enjoying freshly brewed hot or cold beverages while on your travels, this cup holder-compatible hydro flask is the perfect choice.
3. Thermos Stainless King Flask
Dimensions: 130x305mm
Capacity: 1.2 Litres
Material: Stainless Steel
Features: Large Capacity.
If you're seeking to supply beverages for the entire family, then this thermal flask might be just what you need.
With a capacity of up to 1.2l, the Thermos Stainless King Flask has a vacuum insulation technology to maintain the heat of your coffee for 24 hours!
The vacuum insulation of the thermos creates an airless space between two walls, preventing any alteration in temperature.
Designed using robust stainless steel, this flask includes an insulated stainless steel serving cup that is ideal for travel.
This flask makes our list for the best coffee flask uk due to its user-friendly twist and pour stopper, allowing you to pour the coffee without having to remove the lid.
Crafted with top-notch materials, this is one of the best thermos flasks for coffee on the UK market for coffee enthusiasts and families.
4. Thermos King Food Flask
Dimensions: 94x142mm
Capacity: 470ml
Material: Stainless Steel
Features: Great Heat Retention
This Thermos King Flask is truly a versatile companion for all your outdoor adventures.
Although it is sold as a food flask, keeping your meals warm for up to 7 hours or cold for 12 hours, it can also keep your coffee piping hot or refreshing iced drinks chilled.
With its double-walled stainless steel core, this flask is designed to maintain optimal temperature retention, ensuring that your food and beverages stay at their desired temperature for extended periods.
And that's not all! The thoughtful inclusion of a folding spoon adds an extra touch of convenience, allowing you to enjoy your meals wherever you are.
The stainless steel lid serves a dual purpose as a handy cup, making it perfect for sipping your favourite brew or enjoying a hot soup on the go.
Whether you're embarking on a travel adventure or setting up camp in the great outdoors, the Thermos King Flask has got you covered.
With a capacity of up to 470ml and a lightweight design of just 380g, this flask offers the perfect balance of size and portability.
Get ready to embrace the beauty of nature with the Thermos King Flask as your trusted companion.
5. Hydro Flask - Water Bottle
Dimensions: 90x230mm or 118x315mm
Capacity: 946ml or 1.9litres
Material: Plastic, Stainless Steel
Features: Large Volume, Lightweight
Are you looking for a coffee flask perfect for daily adventures?
Well this hydro flask coffee may be the one for you.
Made with pro-grade stainless steel materials, you can ensure no flavour transfers and enjoy pure long lasting coffee.
This wide mouth flask provides a wide opening for a quicker fill and better comfort.
And its double walled vacuum installation keeps your coffee cold for 24 hours or hot for 12 hours.
This hydro flask is more on the expensive side.
However, with more high quality features it is definitely worth the money.
Featuring a tight seal lid, this flask is leakproof when sealed so there is no need to worry about spillages or messes.
You can even swap out the lid for other lid accessories with a straw cap.
Built with a powder coat, this coffee flask stays slip free, clean and colourful.
Choose from a capacity of 591 ml, 946 ml, 1180 ml, and 1893 ml based on your needs and preferences.
This durable and eco-friendly flask is convenient for any kind of travel and activities.
Experience an immerse drinking experience today.
6. Chilly's Series 2 Coffee Cup
Dimensions: 110x158mm or 110x208mm
Capacity: 340ml or 500ml
Material: Plastic, Stainless Steel
Features: Spill Proof
The Chilly’s Series 2 Coffee flask has evolved to provide an unmatched drinking experience.
This double walled flask protects your hand from the heat and keeps your coffee warm for up to 4 hours.
Perfect for short trips and coffee and on the go, the Chilly’s Coffee Cup has a sleek and modern rubber design.
With an innovative rotating lock and soft to touch lid, drinking on the go has been made easier.
The lid contains a Biocote additive that gets rid of odours and protects the flask from staining.
This twist mechanism also provides a tight seal preventing leaks.
This small coffee flask is available in multiple colours to your liking and holds 340ml of coffee.
Its advanced stainless steel core and double wall design is rust resistant and eliminates condensation for fresh tasting coffee.
Experience long lasting coffee with Chilly’s best thermos flask for coffee.
AVOID - EcoBrew Glass Reusable Coffee Cups
The EcoBrew Glass Reusable Coffee Cups are designed for a comfortable grip.
Although this flask features a spill-proof lid and a drip stopper, some people have reported of unwanted spillages from the spill-proof lid leaking.
If you’re wanting to keep your coffee hot for longer than a few hours, this may not be the best flask for you as it’s made of glass.
This means that the flask cannot be properly insulated and will lose heat quicker than stainless steel coffee flasks.
This EcoBrew is also not as durable as other stainless steel and rubber coffee flasks.
Some buyers have reported of the flask breaking and cracking, commenting on its poor durability.
So, if you’re looking for a durable and insulated coffee flask then take a look at our other recommendations.
FAQs
What flask keeps coffee hot for 12 hours?
If you're looking to keep your coffee piping hot for a solid 12 hours, you'll want to get your hands on a thermos with excellent heat retention.
Check out options like the Hydro Flask or the Fellow Carter Wide Mug which are known for their exceptional insulation qualities.
How do I choose a good coffee flask
When choosing a good flask for your coffee, look at the type of material, design and heat retention.
The type of material will help you to understand how insulted the flask is.
A stainless steel coffee flask will keep your coffee hot for longer than a glass coffee flask.
Look at other features such as the size of the flask, the capacity, the cleaning process, accessories and the lid.
The feature you need will depend on why you need a coffee flask.
If you’re wanting a coffee flask whilst commuting to work then ensure you buy a flask with a tight seal and easy to open lid.
If you’re buying a flask for camping, then look at the length of heat retention, size and capacity.
See our list of recommendations where we list a range of the best stainless steel flask products.
Is ThermoFlask good for hot coffee?
Yes, the ThermoFlask is an excellent choice for keeping your coffee hot.
With its double-wall vacuum insulation, it can maintain the temperature of your brew for hours on end.
Plus, ThermoFlask comes in various sizes and styles, so you can find one that suits your coffee-drinking habits perfectly.
How long will coffee last in a flask?
A good-quality flask can keep your coffee hot for around 12 hours.
This does depend on factors like the flask's insulation technology, the size of the flask, the starting temperature of your coffee, and how frequently you open the flask.
Check out our list of recommendations for a range of insulated flasks that keeps your coffee warm for 4, 12 and 24 hours!
What is the best material for a flask
It depends what you need the flask for.
But typically, the best material for a flask is stainless steel due to its excellent durability qualities.
Stainless steel is also cost effective and helps to prevent unwanted odours seeping into your delicious coffee drink.
A well designed stainless steel coffee flask is also rust and corrosion resistant.
Plus, you don’t have to worry about staining your newly bought flask.
What is a good quality thermos?
A good quality thermos should have great insulation, a durable design, and user-friendly features.
Look for flasks with excellent heat retention, sturdy materials like stainless steel, and are known to be long lasting.
Pay attention to details like leak-proof seals, insulation technology, comfortable grips, and easy-to-use lids.
All of which we have covered in our list of recommendations.
Will coffee stay hot in a Hydro Flask?
Absolutely! Hydro Flask is known for its excellent insulation technology.
A properly sealed and insulated Hydro Flask can keep your coffee hot for typically 6-12 hours.
However this does depend on the brand, design and starting temperature of your coffee.
But with a Hydro Flask by your side, you can be confident that your coffee will stay warm and comforting throughout your day.
