Best Thermos Food Flasks of 2025

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Thermos food flasks are a reliable and practical solution for keeping your meals hot or cold on the go. These food flasks are designed with high-quality insulation technology to maintain the temperature of your food for hours. Whether you're packing a hearty soup or a refreshing salad, Thermos food flasks are perfect for enjoying a hot or chilled meal wherever you are. With a durable construction and a wide range of sizes and designs, Thermos food flasks are a convenient choice for anyone looking to enjoy a delicious meal on the move.
At a Glance: Our Top Picks
Top 10 Thermos Food Flasks
Thermos Stainless King Food Flask, 470ml
The Thermos Food Flask offers advanced vacuum insulation that keeps your meals hot for up to 14 hours and cold for 24 hours, making it perfect for all your daily activities. Its durable stainless steel construction withstands everyday use while maintaining optimal temperature control. The versatile lid doubles as a bowl, allowing you to enjoy your meals without needing extra dishes. Additionally, the flask remains cool to the touch with hot contents, ensuring safe handling and preventing condensation on surfaces.
Thermos Stainless King Food Flask, 710ml
The Thermos Food Flask is designed to keep your meals at the perfect temperature, whether hot or cold. With advanced vacuum insulation, it retains heat for up to 14 hours and keeps food cold for 24 hours. Its durable stainless steel construction ensures that it can withstand daily use while maintaining effective temperature control. The versatile lid also serves as a bowl, allowing you to enjoy your meals anywhere without needing to carry additional dishes. This user-friendly flask is perfect for those who are always on the go.
THERMOcafè 0.5 Litre Stainless Steel Food Flask
The THERMOcafè Food Flask features robust stainless steel construction with vacuum insulation, ensuring your meals stay hot for up to 6 hours and cold for up to 10 hours. Its wide mouth design allows you to eat directly from the flask, providing ultimate convenience when you're on the go. Additionally, it comes with a stainless steel folding spoon, so you won’t need to carry extra utensils. This food flask meets and exceeds the EN12546-1:2000 standard, giving you peace of mind about its quality and performance.
Thermos Pink Kids Food Flask 290ml
The Thermos Kids Food Flask is designed to keep your child's meals at the perfect temperature. With double-wall vacuum insulation, it keeps food hot for up to 5 hours and cold for 7 hours, ensuring freshness all day. Its durable stainless steel construction makes it tough enough to withstand daily use, while remaining cool to the touch when filled with hot food. The wide mouth opening allows for easy filling and cleaning, making lunchtime hassle-free for busy parents and children alike.
Thermos Curved Food Flask with Spoon, 400 ml
The Thermos Food Flask is designed with double wall vacuum insulation, keeping your food hot or cold for longer periods. You can enjoy hot meals without burning your hands, as the exterior remains cool to the touch. When filled with cold items, it is sweat-proof, ensuring your bag stays dry. The wide mouth makes it easy for you to fill, eat from, and clean, providing convenience for your on-the-go lifestyle.
Thermos Football FUNtainer Food Flask 290ml
The Thermos Food Flask is designed for maximum temperature retention, whether you want to keep your drinks hot or cold. Its double wall vacuum insulation ensures that your contents stay hot for up to five hours or cold for up to seven hours, perfect for outings or school lunches. The unbreakable stainless steel construction means you don’t have to worry about it breaking easily, while the extra wide mouth allows for easy filling, serving, and cleaning. You’ll appreciate how cool it remains to the touch, even with hot foods inside.
Thermocafe 400ml Food Flask by Thermos
The Thermocafe Food Flask is perfect for taking meals with you to work, picnics, or outdoor adventures. With double wall vacuum insulation, it keeps your food hot or cold, ensuring that your meals are enjoyable whenever you are ready to eat. The durable stainless steel interior and exterior make it reliable for daily use while being lightweight for easy transport. Its wide mouth design allows you to fill it up easily, eat directly from it, and clean it without hassle, providing utmost convenience for your busy lifestyle.
Thermos Disney Frozen Food Flask for Kids
The Thermos Frozen Food Flask is designed to keep your child's meals at the ideal temperature for hours. With double-wall vacuum insulation, it keeps food hot for up to 5 hours and cold for 7 hours, ensuring freshness throughout the day. Made from tough stainless steel, this flask is durable and will withstand daily use, while remaining cool to the touch. The wide mouth makes filling, eating, and cleaning easy, providing convenience for busy parents and children alike.
Thermos Stainless King Food Jar, 0.47l
The Thermos Food Jar is ideal for those seeking a reliable way to enjoy meals on the go. With its impressive insulation, it keeps your food hot for up to 9 hours or cold for 14 hours, ensuring you can savour your favourite dishes at the perfect temperature. The jar is designed to be absolutely tight, preventing any leaks or drips, so you can carry soup without worry. Additionally, it includes a foldable stainless steel spoon stored conveniently in the lid, and the lid doubles as a serving bowl, making it easy to enjoy your meal wherever you are.
Thermos Stainless Steel Food Jar 0.71L
The Thermos Food Jar is a practical solution for keeping your meals warm or cold. With a volume of 0.71 litres, it has ample space for your favourite dishes, making it perfect for lunches at work or picnics. Its stainless steel construction ensures durability, giving you peace of mind during transport. The compact dimensions of 10.2 x 10 x 19.5 cm make it easy to store in bags or lunchboxes, enhancing your on-the-go dining experience.
During our Thermos food flask research, we found 110 Thermos food flask products and shortlisted 10 quality products. We collected and analyzed 159,632 customer reviews through our big data system to write the Thermos food flasks list. We found that most customers choose Thermos food flasks with an average price of £22.79.
The Thermos food flasks are available for purchase. The top 10 picks range in price from a low of £9.00 to a high of £29.00, find the one that fits your budget.

Mohammed Clark is an architect and a contractor. His architectural skills are not limited to designing the plan for structures alone, but it extends to aesthetics and home décor. Before establishing his firm, he worked under a construction firm for eight years. Mohammed has gathered enough experience from his time practicing as a professional architect and now has vast knowledge in home designs and aesthetics.