Best O2 Pay As You Go Sim Cards No Contract of 2026

Last updated on 03/04/2026
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1
O2 PAY AS YOU GO SIM CARD WITH £10 BUNDLE - 8 GB AND UNLIMITED CALLS AND TEXTS - ROAM IN EUROPE

O2 PAY AS YOU GO SIM CARD WITH £10 BUNDLE - 8 GB AND UNLIMITED CALLS AND TEXTS - ROAM IN EUROPE

talk all day
Why we love it
  • Automatically converts into a bundle.
  • Lasts for 30 days.
  • Easy claim instructions included.
Main Highlights
  • credit will be automatically converted into a bundle
  • the £10 will be exchanged into the bundle which lasts for 30 days
  • before you can use for roaming, the sim HAS to be used in the UK
  • have to claim the credit via the instructions enclosed in the package
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9.8
Exceptional
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9.8
Exceptional
talk all day

O2 PAY AS YOU GO SIM CARD WITH £10 BUNDLE - 8 GB AND UNLIMITED CALLS AND TEXTS - ROAM IN EUROPE

Why we love it
  • Automatically converts into a bundle.
  • Lasts for 30 days.
  • Easy claim instructions included.
Main Highlights
  • credit will be automatically converted into a bundle
  • the £10 will be exchanged into the bundle which lasts for 30 days
  • before you can use for roaming, the sim HAS to be used in the UK
  • have to claim the credit via the instructions enclosed in the package
Show More
Value for Money
2
O2 SIM Card UK & EUROPE PREPAID PAYG £10 Bundle 8GB data, unlimited minutes & texts
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O2 SIM Card UK & EUROPE PREPAID PAYG £10 Bundle 8GB data, unlimited minutes & texts

love 2 surf
Why we love it
  • Convenient prepaid bundle.
  • Roaming within EU zone.
  • Affordable international calls.
Main Highlights
  • Quick & Easy Sim Activation
  • Included in the bundle 8GB data, unlimited voice minutes and texts
  • Bundle lasts 30 days from activation. Trio SIM fits any unlocked 4G and above phone or devices locked to O2 network. Personal hotspot/tethering allowed.
  • MUST USE SIM IN UK PRIOR TO USE IN EUROPE – data is limited to 8GB while roaming (calls & texts allowance is for UK numbers only)
  • INTERNATIONAL CALLING SERVICE TO USE WITH SIM - E.g. USA - 0.3p/min and EU - 0.3p/min (optional extra)
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9.6
Superb
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9.6
Superb
love 2 surf

O2 SIM Card UK & EUROPE PREPAID PAYG £10 Bundle 8GB data, unlimited minutes & texts

Why we love it
  • Convenient prepaid bundle.
  • Roaming within EU zone.
  • Affordable international calls.
Main Highlights
  • Quick & Easy Sim Activation
  • Included in the bundle 8GB data, unlimited voice minutes and texts
  • Bundle lasts 30 days from activation. Trio SIM fits any unlocked 4G and above phone or devices locked to O2 network. Personal hotspot/tethering allowed.
  • MUST USE SIM IN UK PRIOR TO USE IN EUROPE – data is limited to 8GB while roaming (calls & texts allowance is for UK numbers only)
  • INTERNATIONAL CALLING SERVICE TO USE WITH SIM - E.g. USA - 0.3p/min and EU - 0.3p/min (optional extra)
Show More
3
O2 SIM Card UK & EUROPE PREPAID PAYG £15 Bundle 25GB data, unlimited minutes & texts
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O2 SIM Card UK & EUROPE PREPAID PAYG £15 Bundle 25GB data, unlimited minutes & texts

love 2 surf
17% Off
Why we love it
  • Flexible with any unlocked phone.
  • Allows cheap international calls.
  • Includes generous data allowance.
Main Highlights
  • Quick & Easy Sim Activation
  • Included in the bundle 25GB data, unlimited voice minutes and texts
  • Bundle lasts 30 days from activation. Trio SIM fits any unlocked 4G and above phone or devices locked to O2 network. Personal hotspot/tethering allowed.
  • MUST USE SIM IN UK PRIOR TO USE IN EUROPE – data is limited to 25GB while roaming (calls & texts allowance is for UK numbers only)
  • INTERNATIONAL CALLING SERVICE TO USE WITH SIM - E.g. USA - 0.3p/min and EU - 0.3p/min (optional extra)
Show More
9.4
Superb
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9.4
Superb
love 2 surf

O2 SIM Card UK & EUROPE PREPAID PAYG £15 Bundle 25GB data, unlimited minutes & texts

17% Off
Why we love it
  • Flexible with any unlocked phone.
  • Allows cheap international calls.
  • Includes generous data allowance.
Main Highlights
  • Quick & Easy Sim Activation
  • Included in the bundle 25GB data, unlimited voice minutes and texts
  • Bundle lasts 30 days from activation. Trio SIM fits any unlocked 4G and above phone or devices locked to O2 network. Personal hotspot/tethering allowed.
  • MUST USE SIM IN UK PRIOR TO USE IN EUROPE – data is limited to 25GB while roaming (calls & texts allowance is for UK numbers only)
  • INTERNATIONAL CALLING SERVICE TO USE WITH SIM - E.g. USA - 0.3p/min and EU - 0.3p/min (optional extra)
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4
Lebara Mobile SIM Card: 100GB Data Plan for £10, Half Price for First 3 Months, No Contract, UK Calls, Texts, International Minutes, EU and India Roaming Included, Fits All Devices
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Lebara Mobile SIM Card: 100GB Data Plan for £10, Half Price for First 3 Months, No Contract, UK Calls, Texts, International Minutes, EU and India Roaming Included, Fits All Devices

Lebara
Why we love it
  • No contracts or commitments needed.
  • Hassle-free sign-up process.
  • Total control over spending.
Main Highlights
  • Plan Features: 30-day rolling plan with no contract commitment, option to change or cancel at any time.
  • No Credit Check or Bill Shocks: Sign up hassle free in less than 60 seconds, with total control on your spend.
  • Number Portability: Transfer your existing mobile number or use the included new Lebara number.
  • Free roaming in the EU & India up to 30GB: Use your UK plan allowance in the EU and India as you would at home.
  • Pay As You Go - SIM card is pre-loaded with a month's data. Renew online at the end of 30 days to keep your plan.
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9.2
Superb
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9.2
Superb
Lebara

Lebara Mobile SIM Card: 100GB Data Plan for £10, Half Price for First 3 Months, No Contract, UK Calls, Texts, International Minutes, EU and India Roaming Included, Fits All Devices

Why we love it
  • No contracts or commitments needed.
  • Hassle-free sign-up process.
  • Total control over spending.
Main Highlights
  • Plan Features: 30-day rolling plan with no contract commitment, option to change or cancel at any time.
  • No Credit Check or Bill Shocks: Sign up hassle free in less than 60 seconds, with total control on your spend.
  • Number Portability: Transfer your existing mobile number or use the included new Lebara number.
  • Free roaming in the EU & India up to 30GB: Use your UK plan allowance in the EU and India as you would at home.
  • Pay As You Go - SIM card is pre-loaded with a month's data. Renew online at the end of 30 days to keep your plan.
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5
EIOTCLUB Data Only SIM Card 2GB Pay As You Go, SIM Card No Contract, Compatible with O2, Vodafone, 3, Manx Networks for 4G LTE Security Camera/Wildlife Camera/router/mobile wifi
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EIOTCLUB Data Only SIM Card 2GB Pay As You Go, SIM Card No Contract, Compatible with O2, Vodafone, 3, Manx Networks for 4G LTE Security Camera/Wildlife Camera/router/mobile wifi

EIOTCLUB
Why we love it
  • Great for IoT devices.
  • No extra fees involved.
  • Wide network coverage available.
Main Highlights
  • 👉Great Data Service Solution: Our SIM Card offers 2GB data for 90 days. Can't call and text, has no phone number. Sim Card Compatible with unlocked 2G 3G & 4G IoT Devices.This SIM kit is pre-cut in 3 sizes to fit any device: Standard, Micro and Nano sizes.
  • 👉Plug & Play: The sim card activated by inserting it into the device.(Please select the right size and insert in the correct direction) No Contracts. No extra fees. No hidden fees. No activation fees. You can top-up for more data, Pay as you go.
  • 👉A great choice of IoT devices: EIOTCLUB data only SIM cards are designed specifically for IoT devices. Suitable for 4G surveillance cameras, hunting cameras,mifi devices , 4G routers, wifi dongle, POC radio ect., ideal for monitoring homes, farms, construction sites and caravans.
  • 👉Wide Network Coverage: EIOTCLUB SIM card is compatible with Vodafone and O2 networks in UK,. The SIM card can Roam for Free in 30 European countries and multi-carrier networks, it can automatically switch to the local operator's network.
  • 👉Our service: If you need to recharge, please visit our official website at https://www.eiotclub.com/ and navigate to the 'Refill' page. We also provide 24/7 online customer support, so please don't hesitate to contact us if you have any questions.
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9.2
Superb
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9.2
Superb
EIOTCLUB

EIOTCLUB Data Only SIM Card 2GB Pay As You Go, SIM Card No Contract, Compatible with O2, Vodafone, 3, Manx Networks for 4G LTE Security Camera/Wildlife Camera/router/mobile wifi

Why we love it
  • Great for IoT devices.
  • No extra fees involved.
  • Wide network coverage available.
Main Highlights
  • 👉Great Data Service Solution: Our SIM Card offers 2GB data for 90 days. Can't call and text, has no phone number. Sim Card Compatible with unlocked 2G 3G & 4G IoT Devices.This SIM kit is pre-cut in 3 sizes to fit any device: Standard, Micro and Nano sizes.
  • 👉Plug & Play: The sim card activated by inserting it into the device.(Please select the right size and insert in the correct direction) No Contracts. No extra fees. No hidden fees. No activation fees. You can top-up for more data, Pay as you go.
  • 👉A great choice of IoT devices: EIOTCLUB data only SIM cards are designed specifically for IoT devices. Suitable for 4G surveillance cameras, hunting cameras,mifi devices , 4G routers, wifi dongle, POC radio ect., ideal for monitoring homes, farms, construction sites and caravans.
  • 👉Wide Network Coverage: EIOTCLUB SIM card is compatible with Vodafone and O2 networks in UK,. The SIM card can Roam for Free in 30 European countries and multi-carrier networks, it can automatically switch to the local operator's network.
  • 👉Our service: If you need to recharge, please visit our official website at https://www.eiotclub.com/ and navigate to the 'Refill' page. We also provide 24/7 online customer support, so please don't hesitate to contact us if you have any questions.
Show More
6
Lebara Mobile SIM Card: 30GB Data Plan for £5, Half Price for First 3 Months, No Contract, UK Calls, Texts, International Minutes, EU and India Roaming Included, Fits All Devices
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Lebara Mobile SIM Card: 30GB Data Plan for £5, Half Price for First 3 Months, No Contract, UK Calls, Texts, International Minutes, EU and India Roaming Included, Fits All Devices

Lebara
Why we love it
  • 50% Off for three months.
  • Pre-loaded plan for convenience.
  • No contract, change anytime easily.
Main Highlights
  • Plan Features: 30-day rolling plan with no contract commitment, option to change or cancel at any time.
  • No Credit Check or Bill Shocks: Sign up hassle free in less than 60 seconds, with total control on your spend.
  • Number Portability: Transfer your existing mobile number or use the included new Lebara number.
  • Free roaming in the EU & India up to 30GB: Use your UK plan allowance in the EU and India as you would at home.
  • Pay As You Go - SIM card is pre-loaded with a month's data. Renew online at the end of 30 days to keep your plan.
Show More
9.2
Superb
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9.2
Superb
Lebara

Lebara Mobile SIM Card: 30GB Data Plan for £5, Half Price for First 3 Months, No Contract, UK Calls, Texts, International Minutes, EU and India Roaming Included, Fits All Devices

Why we love it
  • 50% Off for three months.
  • Pre-loaded plan for convenience.
  • No contract, change anytime easily.
Main Highlights
  • Plan Features: 30-day rolling plan with no contract commitment, option to change or cancel at any time.
  • No Credit Check or Bill Shocks: Sign up hassle free in less than 60 seconds, with total control on your spend.
  • Number Portability: Transfer your existing mobile number or use the included new Lebara number.
  • Free roaming in the EU & India up to 30GB: Use your UK plan allowance in the EU and India as you would at home.
  • Pay As You Go - SIM card is pre-loaded with a month's data. Renew online at the end of 30 days to keep your plan.
Show More
7
Pay As You Go SIM Card, £5 Preloaded Credit, Ready to use
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Pay As You Go SIM Card, £5 Preloaded Credit, Ready to use

PathfinderGTM Ltd
Why we love it
  • £5 Credit Ready to Use.
  • Extensive Vodafone Network Coverage.
  • Compatible with All Phone Types.
Main Highlights
  • INSTANT ACTIVATION: Ready to use upon completion of simple registration process with your personal details
  • NETWORK COVERAGE: Access to extensive UK mobile network with nationwide coverage for calls, texts, and data
  • COMPATIBILITY: Standard SIM card that can be easily converted to micro or nano size to fit all mobile phone types
  • PAY AS YOU GO: Flexible top-up options with no contract commitment, allowing you to manage your mobile expenses
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9.1
Superb
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9.1
Superb
PathfinderGTM Ltd

Pay As You Go SIM Card, £5 Preloaded Credit, Ready to use

Why we love it
  • £5 Credit Ready to Use.
  • Extensive Vodafone Network Coverage.
  • Compatible with All Phone Types.
Main Highlights
  • INSTANT ACTIVATION: Ready to use upon completion of simple registration process with your personal details
  • NETWORK COVERAGE: Access to extensive UK mobile network with nationwide coverage for calls, texts, and data
  • COMPATIBILITY: Standard SIM card that can be easily converted to micro or nano size to fit all mobile phone types
  • PAY AS YOU GO: Flexible top-up options with no contract commitment, allowing you to manage your mobile expenses
Show More
8
O2 Standard Pay and Go Combi Sim Card
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O2 Standard Pay and Go Combi Sim Card

O2
70% Off
Main Highlights
  • New SIM with mobile phone number
Show More
9.0
Superb
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9.0
Superb
O2

O2 Standard Pay and Go Combi Sim Card

70% Off
Main Highlights
  • New SIM with mobile phone number
Show More
9
O2 Classic Pay as you go Classic PAYG
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O2 Classic Pay as you go Classic PAYG

Telefonica
Why we love it
  • Fits all device sizes.
  • Includes data, texts, minutes.
  • Access O2 Priority perks.
Main Highlights
  • 3 in 1 sim card (nano, micro and standard sim size)
  • O2 offer 30 day Bundles of data, texts and minutes if used frequently
  • Access O2 Priority (requires Top-up)
  • Access O2 Wifi Hotpoints
  • Top up to activate and lock in the tariff
  • Fits all devices with the 3 in 1 sim
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8.9
Excellent
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8.9
Excellent
Telefonica

O2 Classic Pay as you go Classic PAYG

Why we love it
  • Fits all device sizes.
  • Includes data, texts, minutes.
  • Access O2 Priority perks.
Main Highlights
  • 3 in 1 sim card (nano, micro and standard sim size)
  • O2 offer 30 day Bundles of data, texts and minutes if used frequently
  • Access O2 Priority (requires Top-up)
  • Access O2 Wifi Hotpoints
  • Top up to activate and lock in the tariff
  • Fits all devices with the 3 in 1 sim
Show More
10
O2 Big Bundle SIM Card Pay As You Go - Contract Free - 30 Days - £10 - Unlimited Minutes - Unlimited SMS - 3GB DATA - Tri-SIM - Standard/Micro/Nano - (£10 Bundle)

O2 Big Bundle SIM Card Pay As You Go - Contract Free - 30 Days - £10 - Unlimited Minutes - Unlimited SMS - 3GB DATA - Tri-SIM - Standard/Micro/Nano - (£10 Bundle)

O2
Why we love it
  • Flexible 30-day plan available.
  • Unlimited calls and texts included.
  • No long-term contract required.
Main Highlights
  • O2 Bundle Last 30 days
  • Unlimited UK minutes and texts
  • Contract Free
  • O2 Priority Access - Top-up required(not included)
  • Latest pack sent * tariff subject to change by the network
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8.8
Excellent
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8.8
Excellent
O2

O2 Big Bundle SIM Card Pay As You Go - Contract Free - 30 Days - £10 - Unlimited Minutes - Unlimited SMS - 3GB DATA - Tri-SIM - Standard/Micro/Nano - (£10 Bundle)

Why we love it
  • Flexible 30-day plan available.
  • Unlimited calls and texts included.
  • No long-term contract required.
Main Highlights
  • O2 Bundle Last 30 days
  • Unlimited UK minutes and texts
  • Contract Free
  • O2 Priority Access - Top-up required(not included)
  • Latest pack sent * tariff subject to change by the network
Show More

We scanned 1036 products

We reviewed these offers relevant to the O2 Pay As You Go Sim Cards No Contract 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 talk all day, love 2 surf, Lebara, EIOTCLUB, PathfinderGTM Ltd, O2, Telefonica, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.
For the best O2 Pay As You Go Sim Cards No Contract in the market, we considered we took a deep dive into 5181 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: