10 Best Thermo Lunch Boxes For Hot Food in The UK

Last updated on 12/08/2025

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Thermos Stainless King Food Flask, 470ml Capacity - Sleek Multi- Purpose Flask for Daily Food Prep - Durable Stainless Steel with Classic Midnight Blue Finish - Ideal for On-the-Go Meals & Drinks

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Why We Love It

Keeps meals perfectly tempered.
Built to last.
Multipurpose insulated lid.

Main Highlights

Thermos Vacuum Insulation: Advanced technology in this thermos food jar keeps your meals hot for 9 hours or cold for 14, ensuring ideal temperature for various activities
Durable Construction: This insulated food container features robust stainless steel interior and exterior that withstand daily use and maintain temperature control
Versatile Lid Design: Insulated lid of this thermos food container doubles as a convenient bowl, reducing the need for extra dishes and making it easy to enjoy your meals anywhere, anytime
Temperature Control: This lunch thermos remains cool to touch with hot contents and sweat-proof with cold, providing safe handling and preventing messy condensation on surfaces
User-Friendly Features: This insulated food jar's wide mouth design allows for easy filling, eating, and cleaning, making it a practical choice for daily meal prep and on-the-go dining

GOOD FOR YOU - Thermal Food flasks for hot food, Soup containers, ideal as a thermal lunch box, soup flask or food warmer lunch box - Stainless Steel insulated hot food flask - Orange

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Why We Love It

Maintains food temperature excellently.
Convenient for on-the-go meals.
Guarantees safe daily use.

Main Highlights

✔ MAINTAINS FOOD TEMPERATURE - Keep those soups hot and those juices cold for longer time periods. This thermal food storage jar can keep food warm for up to 9 hours or cold for 16 to 24 hours.
✔ ENJOY YOUR MEAL ANYWHERE - The food jar's lid serves as a bowl that you can use for enjoying your pasta, soups, cereals, or salads. The lid also features a compartment that houses a foldable spoon.
✔ NO LEAKING OR SWEATING - The lid screws on tightly to prevent liquid from dripping or leaking even while you are in transit. Double wall insulation prevents condensation and sweating.
✔ CREATE A VARIETY OF DISHES - Included in the package is a downloadable e-book, which features a variety of food thermal Food Flask recipes for creating delicious hot and cold meals that you will love.
✔ SAFE FOR DAILY USE - Your health is always our number 1 priority. This insulated food container does not contain any BPA, phthalates, lead, or PVC material that can be harmful to the body.

WayEee Food Flask, Food Flask for Hot Food Stainless Steel Food Jar with Folding Spoon-450ml (Blue)

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Why We Love It

Keeps temperature for hours.
Includes folding meal spoon.
Features release air button.

Main Highlights

✔【Double Insulated Stainless Steel Design】Durable stainless steel interior designs for keeping hot and cold for 6-8 hours. Double vacuum inner design make the food and soup in the food flask insulate from outside temperature completely.
✔【Folding meal Spoon Free】The external lid is made up of food grade material. It can be used for hold soup and food. The internal lid comes with a stainless steel folding spoon.
✔【Release Air Button】An air hole is designed under the folding spoon in the internal lid. The gas pressure will grow when the temperate is different between inside and outside. At the same time, the food flask may not be open easily. Just push the air hole button, all problems are solved.
✔【Leakproof and Easy to Clean】Extra wide mouth and 450ml capacity. Seamless welding food jar can hold any food or soup without leakiness. The size of it fits for children's lunch and adults' meals.
✔【Great After Sale Service】WayEee provides a after sale service on food flask for quality issues. Any problems you would like to solve or any questions you want to ask, please don't hesitate to contact us.

Football FUNtainer Food Flask 290ml

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Why We Love It

Exceptional temperature retention.
Durable stainless construction.
User-friendly design.

Main Highlights

Thermos double wall vacuum insulation for maximum temperature retention, hot or cold
Unbreakable stainless steel interior and exterior, made from bpa free materials
Cool to the touch with hot foods, extra wide mouth enables easy to fill, serve from and clean
Keeps contents cold for up to 7 hours and hot for up to 5 hours
Durable product
Thermax double wall vacuum insulation for maximum temperature retention, hot or cold
TherMax double wall vacuum insulation for maximum temperature retention, hot or cold
Unbreakable stainless steel interior and exterior, Made from BPA free materials
Cool to the touch with hot foods, Extra wide mouth enables easy to fill, serve from and clean
Keeps contents cold for up to 7 hours and hot for up to 5 hours
None slip scratch resistant base, 5 year guarantee

Lille Home 1065ml Lunch Box Set, an Vacuum Insulated Bento/Snack Box Keeping Food Warm for 3-4 Hours, Two BPA-Free Food Containers, A Lunch Bag, A Portable Cutlery Set

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Why We Love It

Keeps meals warm longer.
Eco-friendly premium materials.
Versatile lunch solution.

Main Highlights

All-in-One Lunch Box Set: This lunch box set includes a 22oz vacuum-insulated lunch box made of SS304, two BPA-free food containers, a portable cutlery set of spoon and fork, and a lunch bag.
High-Quality Materials: Made with sustainable, BPA-free, and non-toxic food-grade plastic, this lunch box set keeps your food fresh for a long time. (Note: Not microwave-safe)
Versatile and Convenient: Perfect for bringing both hot and cold food such as soup, salad, pasta, fruit, and more to work, gym, picnic, camping, and any other outing.
Superior Temperature Insulation: The vacuum-insulated lunch box and insulated bag provide up to 3-4 hours of warm retention, making it easy to enjoy tasty homemade food without the need for a microwave.
Ideal for Portion Control and Gifting: With its various compartments, this lunch box set is perfect for portion control. It also makes for a great gift that promotes healthier eating habits.

Omie B8983 OmieBox Kids Bento Lunch Box, Stainless Steel Bowl, Pink Berry

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Why We Love It

Keeps food warm, fresh.
Compact and versatile design.
Durable and easy clean.

Main Highlights

KIDS EAT BETTER -- Your kids will gobble lunch up when it’s their favorite food served warm inside OmieBox. OmieBox has a THERMOS INSERT that lets you easily pack hot food. Send their favorite pasta, soup, or last night’s leftovers - your kids will have more variety and build healthier eating habits
EASIER, FASTER LUNCH PREP -- Now you can send hot soup and chilled strawberries without using a million small containers. OmieBox packs HOT & COLD TOGETHER in one compact bento box.
HIGH QUALITY INVESTMENT - Durable, built to last and saves you the expense of buying a separate thermos! OmieBox weighs a sturdy 1.7 lbs and uses 18/8, 304 grade stainless steel. It’s BPA-Free. Phthalate-free
MULTI-FUNCTIONAL AND VERSATILE - Use only the leak-proof thermos insert for hot food or liquid, or take it out to fit a sandwich. Use the divider to customize the compartments and keep food separate. It even fits a drink and snacks, so you don’t need a separate container. Complete your OmieBox with our utensil set with case and lunch bag!
EASY TO CLEAN - OmieBox comes apart for easy cleaning. The rubber seals are all removable, so you can wash it thoroughly everyday. If the seals get worn or damaged, you can purchase replacement seals instead of throwing the box out.

Thermos - Pink Kids Food Flask (290ml) - BPA Free, Stainless Steel, Spill Proof, Thermal Flask for Lunch Box, 5 Hours Hot & 7 Hours Cold

20% OffFree Shipping

Why We Love It

Stainless steel ensures durability.
Extra-wide mouth provides convenience.
Unmatched temperature retention.

Main Highlights

Keeps Food Just Right: Double-wall vacuum insulation keeps your child’s lunch hot for up to 5 hours or cold for 7 hours, so their meal stays fresh and at the perfect temperature all day long.
Built to Last: Made with tough, high-quality stainless steel inside and out, this flask can handle drops, spills, and everyday use. Plus, it stays cool to the touch even with hot food inside, and won’t sweat when filled with cold treats.
Hassle-Free Cleanup: The wide mouth makes it easy to fill, eat from, and clean, saving you time in the morning and making after-school cleanup a breeze.
Trusted Thermos Quality: Crafted with the legendary Thermos performance you can count on, this flask is lunchtime ready and backed by a 5-year guarantee, ensuring long-lasting reliability for years of school lunches.

Polar Gear Insulated Food Flasks For Hot Food – Triple Layer Stainless Steel Hot Food Flask With Spoon – Keep Meals & Drinks Hot for 6 Hours & Cold for 6 Hours – Soup Flask For Work, School - Blue

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Why We Love It

Keeps meals hot or cold.
Convenient integrated spoon.
Leakproof and condensation-free.

Main Highlights

Fix your lunch time cravings with a nice hot meal. Polar Gear's insulated food container and food flask is perfect for varying your pack-up routine. Use as a soup container as with a 400ml capacity, our insulated flask perfectly fits a tin of soup. Our hot to the last bite container also suits stews, porridge, leftovers and other warm meals to jazz up commuting.
Accommodates all temperatures: Our thermal food container ensures food stays piping hot for up to 6 hours - perfect for hot pot recipes. Simply pre-heat the flask before use by adding hot water 5 minutes before use. Need your food to stay nice and cold? Pre-cool with ice-cold water - it'll stay cool up to 6 hours. Just pour out the hot or cold water and the double-layered stainless steel will do the rest, so your food or drink stays the perfect temperature.
Soup made simple: No more losing cutlery from home, our compact soup containers come with a durable PP spoon which is cleverly held by the silicone band around the container. If you don’t need the spoon, the insulated food flask has an extra wide mouth so you can sip away without making a mess. The non-slip silicone band also allows for easy opening and extra grip, so forget spilling food or drink when on the go!
Zero spills, Leaks or condensation: Thanks to the extra thick double-walled insulation, forget condensation, heat transfer or sweating of your food on the outside of your flask. Your flask will stay at room temperature on the outside and the perfect temp inside, so no burning or freezing your fingers when holding. The vacuum flasks also have a leakproof screw lid so as long as it’s closed properly, no matter how bumpy the road is, there’ll be no sticky mess or stains!
Economical 2-in-1 flask for hot & cold food or drinks: Whether you want food or drink on the go, our thermos flask does it all, eliminating the need for several drink and food containers as well as reducing single-use plastic packaging. Help the environment by saying no to one-use plastics and go for reusable multi-purpose items like our 304-grade, food and drink-safe bottle. Helping the planet has never been so easy… or so sleek!
Hand wash only, not dishwasher safe. Contents will remain very hot, take extra care if consuming hot food directly from the flask.

Cabilock Bento Lunch Box, Stainless Steel Lunch Box, Leak Proof Hot Food Jar, Food Flask Meal Prep Container for Adult Students Office, Microwave Dishwasher Safe, S

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Why We Love It

Versatile and multifunctional use.
Leakproof design enhances portability.
Microwave safe for convenience.

Main Highlights

Stainless steel lunch box: lunch box has a creative design, very practical in use, giving kids a good using experience.
Office food container: the bento lunch box is very suitable for office workers and can be heated in a microwave oven.
Salad container for lunch: lunch box is wonderful for storing fruit, vegetable, snacks, dessert, rice cereal, and other food.
multifunctional use lunch container: this lunch box is storing meals, soups, pasta or other hot foods; it can also be to store salads, fruits and other cold foods.
Leakproof lunch box: the bento lunch box is very suitable for office workers and can be heated in a microwave oven.

520ml Insulated Food Flasks For Hot Food – Double-Wall Stainless Steel Hot Food Flask With Spoon – Thermal Lunch Box keeps Meals Drinks Hot or Cold for 6 Hours – Leakproof Soup Containers (Eucalyptus)

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Why We Love It

Larger, more satisfying portions.
Keeps food hot longer.
No spills or leaks.

Main Highlights

Upgraded 520ml Capacity Soup Flask: Polar Gear's thermal food container now offers a larger 520ml capacity, providing more space for your favourite hot or cold meals, perfect for longer trips or more satisfying portions, ensuring you stay nourished and energized throughout the day.
Up To 6 Hours Hot Or Cold: Our insulated food container ensures food stays piping hot for up to 6 hours - perfect for hot pot recipes. For best results, simply pre-heat the thermal food flask before use by adding hot water 5 minutes before use. Need your food to stay nice and cold? Pre-cool with ice-cold water - it'll stay cool up to 6 hours. Just pour out the hot or cold water and the double-layered stainless steel will do the rest, so your food or drink stays the perfect temperature.
Zero Spills, Leaks Or Condensation: Thanks to the extra thick double-walled insulation, forget condensation, heat transfer or sweating of your food on the outside of your insulated food jars. Your insulated food flask will stay at room temperature on the outside and the perfect temp inside, so no burning or freezing your fingers when holding. The vacuum flasks also have a leakproof screw lid so as long as it’s closed properly, no matter how bumpy the road is, there’ll be no sticky mess or stains!
Soup Made Simple: No more losing cutlery from home, our compact soup container comes with a durable PP spoon which is cleverly held by the silicone band around the hot food containers. If you don’t need the spoon, the hot food lunch box has an extra wide mouth so you can sip away without making a mess. The non-slip silicone band also allows for easy opening and extra grip, so forget spilling food or drink when on the go!
Economical 2-In-1 Flask For Hot & Cold Food Or Drinks: Whether you want food or drink on the go, our thermal lunch box for hot food does it all, eliminating the need for several drink and food containers as well as reducing single-use plastic packaging. Help the environment by saying no to one-use plastics and go for reusable multi-purpose items like our 304-grade, food and drink-safe hot lunch box. Helping the planet has never been so easy… or so sleek!
Hand wash only, not dishwasher safe. Contents will remain very hot, take extra care if consuming hot food directly from the flask.

8.7

Excellent

We scanned 1773 products

We reviewed these offers relevant to the Thermo Lunch Boxes For Hot Food within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Thermos, GOOD FOR YOU, WayEee, Lille Home, Omie, Polar Gear, Cabilock, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Thermo Lunch Boxes For Hot Food in the market, we considered we took a deep dive into 8866 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Thermos Stainless King Food Flask, 470ml Capacity - Sleek Multi- Purpose Flask for Daily Food Prep - Durable Stainless Steel with Classic Midnight Blue Finish - Ideal for On-the-Go Meals & Drinks. We love many things about this product by Thermos. What sets it apart from the competition is Keeps meals perfectly tempered, Built to last, Multipurpose insulated lid.
The best value product for most shoppers and where user satisfaction is continuously the highest is GOOD FOR YOU - Thermal Food flasks for hot food, Soup containers, ideal as a thermal lunch box, soup flask or food warmer lunch box - Stainless Steel insulated hot food flask - Orange by GOOD FOR YOU based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Thermo Lunch Boxes For Hot Food and the best cost-to-value ratio is Thermos - Pink Kids Food Flask (290ml) - BPA Free, Stainless Steel, Spill Proof, Thermal Flask for Lunch Box, 5 Hours Hot & 7 Hours Coldat Thermos with a 20% discount.
Our list of the best Thermo Lunch Boxes For Hot Food is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Thermo Lunch Boxes For Hot Food in The UK

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We scanned 1773 products

We concluded that: