Best Vacuum Flasks of 2025
Last updated on 18/09/2025
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Best Choice
1
Stanley Classic Legendary Thermal Flask 1.9L - Keeps 32 Hours Hot Or Cold - Stainless Steel Insulated Bottle - BPA-Free - Dishwasher Safe - Leakproof Lid Serves As A Cup - Hammertone Green
STANLEY
10% Off
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STANLEY
Stanley Classic Legendary Thermal Flask 1.9L - Keeps 32 Hours Hot Or Cold - Stainless Steel Insulated Bottle - BPA-Free - Dishwasher Safe - Leakproof Lid Serves As A Cup - Hammertone Green
10% Off
Why we love it
- Temperature locked for 32 hours.
- Survives extreme conditions.
- Safe, food-grade materials.
Main Highlights
- HOT OR COLD FOR 32 HOURS: Fill the 1.9L thermal flask with water, coffee, tea, or other drinks, whether at home, work, or outdoors. The double-wall vacuum insulation keeps your drinks hot or cold for 32 hours and iced for 160 hours.
- EXTREMELY DURABLE: Our leak-proof vacuum bottle has withstood speeding bullets, 4000 ft drops and category 5 hurricanes; The iconic style and rugged durability of this insulated bottle means it’s made to go anywhere
- BPA-FREE STAINLESS STEEL: All contact surfaces are guaranteed to be safe and BPA-FREE; The steel we use is 18/8, or grade 304, otherwise known as food-grade stainless steel
- DISHWASHER SAFE: This insulated bottle designed to be cleaned easily; Every piece of this stainless steel vacuum flask is dishwasher safe, top rack only
- BUILT FOR LIFE: 'Built for Life' has been the Stanley promise since 1913, manufacturing rugged, high-performance products that last a lifetime.
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Value for Money
2
Stanley Adventure To-Go Thermal Flask 0.75L - 20 Hours Hot - 25 Hours Cold - Leakproof - Insulated Lid - BPA-Free Insulated Bottle - Dishwasher Safe - Coffee Flask - Abyss
STANLEY
3% OffFree Shipping
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STANLEY
Stanley Adventure To-Go Thermal Flask 0.75L - 20 Hours Hot - 25 Hours Cold - Leakproof - Insulated Lid - BPA-Free Insulated Bottle - Dishwasher Safe - Coffee Flask - Abyss
3% OffFree Shipping
Why we love it
- Leakproof for secure beverage storage.
- Promotes sustainability and reduces waste.
- Maintains hot beverages for hours.
Main Highlights
- LEAKPROOF: The Secured lid with the pour-through stopper makes this vacuum insulated bottle leakproof and secure. The double close of the stopper and insulated lid ensures beverage security.
- SUSTAINABILITY AT STANLEY: We believe in creating a more sustainable world through our Built For Life promise and century-old brand. Stanley looks to eliminate the need for single-use disposables and increase recycled content materials every year.
- KEEPS HOT FOR 20 HOURS: The Adventure to-go bottle preserves the thermal integrity of your beverages for up to 20 hours. It features a leakproof design with a twist-and-pour stopper, an insulated lid that doubles as a cup, and is dishwasher safe.
- DISHWASHER SAFE: This vacuum bottle is designed to clean easily. Throw it into the dishwasher once home, ready to hit tomorrows commute or international adventure. Every piece of this stainless steel vacuum bottle is dishwasher safe.
- BUILT FOR LIFE: 'Built for Life' has been the Stanley promise since 1913, manufacturing rugged, high-performance products that last a lifetime.
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3
Thermos - Stainless King Duck Egg 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
Thermos
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Thermos
Thermos - Stainless King Duck Egg 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
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Why we love it
- Keeps drinks hot or cold.
- Guaranteed quality for five years.
- Easy and mess-free pouring.
Main Highlights
- Thermos Vacuum Insulation: Unrivaled temperature retention for hours in our stainless steel water bottle. Your coffee stays piping hot and your iced tea refreshingly cold
- Hard-as-Nails Construction: Crafted with durable stainless steel inside and out, this metal water bottle withstands drops, dings, and daily wear while keeping your drinks & food optimum
- Comfort in Every Sip: Stay cool and dry with this innovative thermos travel mug for hot drinks. No more burned hands or condensation rings - just pure drinking pleasure, hot or cold
- Built-in Serving Cup: Enjoy your favorite beverages anywhere with the insulated stainless steel cup. Share a toast or savour solo - convenience meets style in this coffee cup travel mug
- Pour with Precision: The clever twist-and-pour stopper lets you serve without removing the lid. No spills, no fuss - just smooth pouring action for your coffee mug travel companion
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4
Thermos - Matt Black Ultimate Flask (500ml), Reusable Insulated Stainless Steel Thermal Coffee Cup for Hot or Cold Drinks, Vacuum Sealed Water Flask with a Leak-Proof Lid, 24hr Hot/24hr Cold
Thermos
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Thermos
Thermos - Matt Black Ultimate Flask (500ml), Reusable Insulated Stainless Steel Thermal Coffee Cup for Hot or Cold Drinks, Vacuum Sealed Water Flask with a Leak-Proof Lid, 24hr Hot/24hr Cold
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Why we love it
- Keeps drinks at ideal temperature.
- Rugged for outdoor adventures.
- Comfortable grip in all weather.
Main Highlights
- Temperature Control - Advanced vacuum insulation maintains drinks steaming hot or refreshingly cold for 24 hours, letting you enjoy your beverage at the ideal temperature all day long
- Rugged Design - Robust stainless steel construction with protective silicone rings withstands drops, bumps, and outdoor adventures while preventing dents and scratches
- Comfort Grip - Double-wall insulation ensures the exterior stays cool with hot drinks and condensation-free with cold beverages, providing comfortable handling in any weather
- Smart Pour System - Two-part stopper design controls liquid flow and prevents spills, while the wide mouth opening makes filling and cleaning quick and simple
- Outdoor Ready - 500ml capacity holds enough liquid for extended adventures, while the lightweight yet durable construction makes it ideal for hiking and camping trips
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5
YETI Rambler Travel Bottle, Vacuum Insulated Stainless Steel Bottle with Leakproof Hotshot Commuter Cap, Black Forest Green, 12 oz (355 ml)
YETI
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YETI
YETI Rambler Travel Bottle, Vacuum Insulated Stainless Steel Bottle with Leakproof Hotshot Commuter Cap, Black Forest Green, 12 oz (355 ml)
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Why we love it
- Durable stainless steel construction.
- Keeps temperatures perfectly maintained.
- Convenient and easy to clean.
Main Highlights
- 18/8 Stainless Steel - Made with kitchen-grade stainless steel, so they’re puncture and rust-resistant.
- Double-Wall Vacuum Insulation - Keeps cold drinks cold and hot drinks hot until the last sip.
- Dishwasher Safe - Because no one needs more work to do.
- 360° Leakproof Cap - Half-twist the lid until it clicks, then sip from any side. And it’s leakproof so you can carry it with confidence.
- All YETI Drinkware is BPA free.
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6
Stanley Aerolight Transit Travel Mug 0.47L - Keeps 6 Hours Hot - 8 Hours Cold - Dishwasher Safe - Leakproof - Car Cup Holder Compatible - Insulated Coffee Cup - Black Metallic
STANLEY
3% OffFree Shipping
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STANLEY
Stanley Aerolight Transit Travel Mug 0.47L - Keeps 6 Hours Hot - 8 Hours Cold - Dishwasher Safe - Leakproof - Car Cup Holder Compatible - Insulated Coffee Cup - Black Metallic
3% OffFree Shipping
Why we love it
- Insulation optimizes temperature retention.
- Promotes sustainability and responsibility.
- Confidence with spill-free lid.
Main Highlights
- KEEPS DRINKS HOT FOR 6 HOURS: This leakproof coffee mug keeps drinks hot for 6 hours and cold for 8. Its lightweight double-wall vacuum insulation ensures durability without sacrificing temperature retention, perfect for hot tea or cold water.
- SUSTAINABLE TRAVEL CUP: At Stanley, we create a more sustainable world through invention and originality. Committed to eliminating single-use disposables, we aim to increase recycled materials yearly, making sustainability accessible for everyone.
- SPILL PROOF DRINK-THROUGH LID: This lid lets you carry your coffee cup travel mug in your bag without spills. Push the lid up to sip and lock it down for secure closure. Enjoy your drink with confidence using the locking drink-through lid.
- DISHWASHER SAFE: This vacuum bottle is designed to clean easily. Throw your Stanley cup into the dishwasher once home, ready to hit tomorrows commute or international adventure. Every piece of this stainless steel vacuum bottle is dishwasher safe.
- BUILT FOR LIFE: 'Built for Life' has been the Stanley promise since 1913, manufacturing rugged, high-performance products that last a lifetime.
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7
Thermos Mondial 061080 Vacuum Flask 1.8 litres Black
Thermos
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Thermos
Thermos Mondial 061080 Vacuum Flask 1.8 litres Black
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Why we love it
- Keeps drinks hot or cold.
- Convenient integrated drinking cup.
- Handy lid storage compartment.
Main Highlights
- Glass inner bottle
- Screw cap with pouring spout
- Lid with storage compartment
- Integrated drinking cup
- Contents stay hot for up to 12 hours and cold for up to 24 hours
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8
LOKPESCO Large Capacity Flask for Hot and Cold Drinks, 2L Stainless Steel Vacuum Insulated Coffee Thermo Flask with 2 Cups, Oversized Hot Water Bottles for Travel, 24hrs Hot/Cold, BPA Free, Leakproof
LOKPESCO
21% OffFree Shipping
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LOKPESCO
LOKPESCO Large Capacity Flask for Hot and Cold Drinks, 2L Stainless Steel Vacuum Insulated Coffee Thermo Flask with 2 Cups, Oversized Hot Water Bottles for Travel, 24hrs Hot/Cold, BPA Free, Leakproof
21% OffFree Shipping
Why we love it
- Keeps drinks hot or cold.
- Two caps design for sharing.
- Leakproof with secure silicone seal.
Main Highlights
- BIG CAPACITY: This Vacuum Insulated Flask has a 2 L big capacity, suitable for both indoors and outdoors, keeps hot over 24 hours, cold over 36 hours
- TWO CAPS DESIGN: BPA Free lids can be used as cup to drink directly, two caps make it convenient for you to share with your family or friends.
- VACUUM & COPPER COATING: Vacuum insulation creates an airless space between two walls，and inner layer is coated with copper，which will keep drink in bottle insulated and stay hot or icy for a longer time than other water bottles.
- LEAKPROOF: Food Grade silicone seal ensure the bottle mouth is sealed, no matter how you place the flask, the drink will not spill out, also guarantee maintaining the drink at original temperature
- COMFORTABLE HANDLE & SHOULDER STRAP: Soft retractable rubber handle is non-slip and easy to hold, will help you carry the bottle much more conveniently, and with the shoulder strap, you can carry it on your back when traveling outdoors
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9
Denny International 5L 5000ml Air-Pot Flask Hot Cold Stainless Steel Pump Action Vacuum Flask Tea Coffee Drinks (Set of 1 Airpot)
Denny International
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Denny International
Denny International 5L 5000ml Air-Pot Flask Hot Cold Stainless Steel Pump Action Vacuum Flask Tea Coffee Drinks (Set of 1 Airpot)
Why we love it
- Large 5Ltr capacity.
- Durable stainless steel.
- Convenient pump action.
Main Highlights
- CAPACITY: 5Ltr Litre Capacity
- STRUCTURE: Double walled Stainless Steel Vacuum Body. NO GLASS: No Glass to Break(Glass Break Safety Proof)
- PUMP ACTION: Elegant & Durable Design With Pump Action Push Button Release. No Need to Lift up Flask for Easy Pouring
- PERFORMANCE: Temperature retentiveness: 73°C - 6 hours, 60°C - 12 hours, 45°C - 24 hours(These are only guidelines which are taken during lab test. Lab test cannot be taken as actual performance because outside weather condition will be different for every user)
- 360° ROTATING BASE: 360° Rotating Base to save Table Top from Scratches. This special feature will allow users to rotate the flask face in any direction without scratching it on the table top due to 360° rotating base. Brand New in Its Coloured Box Packaging
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10
Stanley Aerolight Transit Travel Mug 12oz - Keeps 6 Hours Hot - 8 Hours Cold - Dishwasher Safe - Leakproof - Car Cup Holder Compatible - Insulated Coffee Cup - Hammertone Green
STANLEY
21% Off
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STANLEY
Stanley Aerolight Transit Travel Mug 12oz - Keeps 6 Hours Hot - 8 Hours Cold - Dishwasher Safe - Leakproof - Car Cup Holder Compatible - Insulated Coffee Cup - Hammertone Green
21% Off
Why we love it
- Durable for everyday use.
- Stylish design fits any occasion.
- Portable for on-the-go convenience.
Main Highlights
- KEEPS DRINKS HOT FOR 6 HOURS: This leakproof coffee mug keeps drinks hot for 6 hours and cold for 8. Its lightweight double-wall vacuum insulation ensures durability without sacrificing temperature retention, perfect for hot tea or cold water.
- SUSTAINABLE TRAVEL CUP: At Stanley, we create a more sustainable world through invention and originality. Committed to eliminating single-use disposables, we aim to increase recycled materials yearly, making sustainability accessible for everyone.
- SPILL PROOF DRINK-THROUGH LID: This lid lets you carry your coffee cup travel mug in your bag without spills. Push the lid up to sip and lock it down for secure closure. Enjoy your drink with confidence using the locking drink-through lid.
- DISHWASHER SAFE: This vacuum bottle is designed to clean easily. Throw your Stanley cup into the dishwasher once home, ready to hit tomorrows commute or international adventure. Every piece of this stainless steel vacuum bottle is dishwasher safe.
- BUILT FOR LIFE: 'Built for Life' has been the Stanley promise since 1913, manufacturing rugged, high-performance products that last a lifetime.
Show More