30 day SIM only deals

Use our SIM only search to find the cheapest 30 day SIM only deals on the market

  • Compare 30 day SIM only deals, updated hourly.
  • Switch to a new network and keep your existing number, simply and quickly!

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  • 1pMobile
  • Asda Mobile
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  • iD Mobile
  • Lebara
  • Lycamobile
  • Mozillion
  • O2
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  • Sky Mobile
  • Smarty
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Spusu SIM Card 5G
Spusu SIM or eSIM
1 month contract
Unlimited
Minutes
Unlimited
Texts

1 GB Data
You pay
£2.90
per month
Powered By: EE Free EU Roaming No Annual Price Rise No Credit Check
Spusu SIM Card 5G
Spusu SIM or eSIM
1 month contract
500
Minutes
500
Texts

3 GB Data
You pay
£3.90
per month
Powered By: EE Free EU Roaming No Annual Price Rise No Credit Check
Mozillion SIM Card 5G
Mozillion SIM or eSIM
1 month contract
Data Only

1 GB Data
You pay
£4.00
per month
Powered By: EE EU roaming included No Credit Check
Asda Mobile SIM Card
Asda Mobile SIM
1 month contract
Unlimited
Minutes
Unlimited
Texts

0 GB Data
You pay
£4.00
per month
Powered By: Vodafone Free EU roaming No Credit Check
Spusu SIM Card 5G
Spusu SIM or eSIM
1 month contract
Unlimited
Minutes
Unlimited
Texts

5 GB Data
You pay
£4.50
per month
Powered By: EE Free EU Roaming No Annual Price Rise No Credit Check
Lebara SIM Card 5G
Lebara SIM
1 month contract
1000
Minutes
1000
Texts

5 GB Data
You pay
£4.50
per month

3 Months at £2.25
Powered By: Vodafone 50% off for 3 months with code LEBARA3M Free EU roaming 100 International minutes No Credit Check
Lycamobile SIM Card 5G
Lycamobile SIM or eSIM
1 month contract
Unlimited
Minutes
Unlimited
Texts

5 GB Data
You pay
£5.00
per month

1 Month at £2.50
Powered By: EE No Credit Check
Choose a retailer
    Lycamobile SIM Card 5G
    Lycamobile SIM or eSIM
    1 month contract
    1000
    Minutes
    1000
    Texts

    5 GB Data
    You pay
    £5.00
    per month

    2 Months at £2.50
    Powered By: EE 100 International minutes No Credit Check
    Choose a retailer
      Lebara SIM Card 5G
      Lebara SIM
      1 month contract
      1000
      Minutes
      1000
      Texts

      5 GB Data
      You pay
      £5.00
      per month

      3 Months at £0.99
      Powered By: Vodafone 3 Months at £0.99 with promo code LEBARA5 Free EU roaming 100 International minutes No Credit Check
      Asda Mobile SIM Card
      Asda Mobile SIM
      1 month contract
      Unlimited
      Minutes
      Unlimited
      Texts

      3 GB Data
      You pay
      £5.00
      per month
      Powered By: Vodafone Free EU roaming No Credit Check
      Mozillion SIM Card 5G
      Mozillion SIM or eSIM
      1 month contract
      Data Only

      3 GB Data
      You pay
      £5.00
      per month
      Powered By: EE EU roaming included No Credit Check
      EXCLUSIVE DEAL
      Smarty SIM Card 5G
      Smarty SIM
      1 month contract
      Data Only

      2 GB Data
      You pay
      £5.00
      per month
      Powered By: Three Free EU roaming No Credit Check
      Choose a retailer
        Mozillion SIM Card 5G
        Mozillion SIM or eSIM
        1 month contract
        Unlimited
        Minutes
        Unlimited
        Texts

        1 GB Data
        You pay
        £5.00
        per month
        Powered By: EE EU roaming included No Credit Check
        Spusu SIM Card 5G
        Spusu SIM or eSIM
        1 month contract
        Unlimited
        Minutes
        Unlimited
        Texts

        10 GB Data
        You pay
        £5.90
        per month
        Powered By: EE Free EU Roaming No Annual Price Rise No Credit Check
        EXCLUSIVE DEAL
        Talkmobile SIM Card 5G
        Talkmobile SIM
        1 month contract
        Unlimited
        Minutes
        Unlimited
        Texts

        12 GB Data
        You pay
        £5.95
        per month
        Powered By: Vodafone Free EU Roaming No Credit Check
        ParentShield SIM Card 5G
        ParentShield SIM or eSIM
        1 month contract
        100
        Minutes
        100
        Texts

        0 GB Data
        You pay
        £5.99
        per month
        Powered By: EE Unlimited calls to any 2 numbers of your choice No Credit Check
        iD Mobile SIM Card 5G
        iD Mobile SIM or eSIM
        1 month contract
        Unlimited
        Minutes
        Unlimited
        Texts

        15 GB Data
        You pay
        £6.00
        per month
        Powered By: Three Free EU roaming
        Choose a retailer
          iD Mobile SIM Card 5G
          iD Mobile SIM
          1 month contract
          Unlimited
          Minutes
          Unlimited
          Texts

          15 GB Data
          You pay
          £6.00
          per month
          Powered By: Three Free EU roaming
          Smarty SIM Card 5G
          Smarty SIM
          1 month contract
          Unlimited
          Minutes
          Unlimited
          Texts

          10 GB Data
          You pay
          £6.00
          per month
          Powered By: Three Free EU roaming No Credit Check
          Choose a retailer
            Smarty SIM Card 5G
            Smarty SIM
            1 month contract
            Unlimited
            Minutes
            Unlimited
            Texts

            5 GB Data
            You pay
            £6.00
            per month
            Powered By: Three Free EU roaming No Credit Check
            Choose a retailer
              Can't find what you are looking for?
              Deals last updated: 5 hours 25 minutes ago

              Find the best 30 day SIM only deal for you

              SIM Only Finder compares 30 day sim only deals and tariffs from all the UK’s leading mobile networks and MVNOs. These include 3 Mobile, O2, EE, Vodafone, ID Mobile, Virgin Mobile, Smarty, VOXI, Sky Mobile, Lebara Mobile and Tesco Mobile.

              What is a 30 day SIM only deal?

              A 30 day SIM only or a one month SIM only, is pay monthly SIM Only deal. Unlike 12 month sim only deals or 24 month sim only deals, a 30 day sim only deal usually provides much better value for money.

              As the name suggests not only do you get better value for money, but you also are not committed to any long term contracts. Most 30 day sim only deals allow you to cancel by giving 30 days notice. Some allow you to cancel just by not paying for the next month, these include the likes or GiffGaff or Smarty Mobile.

              Otherwise 30 day or 1 month sim only deals are the same as every other SIM only deal, whereby you pay a fee for a set allowance of data, calls and texts. Longer term SIM Only deals may come with bigger benefits or incentives, but there are also some very good 30 day sim only deals too.

              How do 30 day SIM Only deals work?

              30 day SIM Only deals work identically to their longer 12 month and 24 month counterparts. 

              The key difference is in the name, and that is that you are only legally committee to stay with them for 30 days, and can leave by giving 30 days notice. 

              30 day SIM Only deals offer much better value for money that pay as you go SIM cards and you do not need to worry about remembering to top up or converting your top up into a bundle. At the end of each month your 30 day or 1 month SIM card automatically renews or rolls over for another month unless you have explicity asked your network to cancel.

              What happens after 30 days?

              After your intial 30 days your sim only deal will automatically renew. This will continue to happen until you ask your network to cancel, this can be done usually by giving them a call or doing so via the networks mobile app. Most 30 day SIM only deals will require 30 days notice in order to cancel your monthly subscription.

              Don't forget you can also port your number onto your SIM only deal and then off to another network once done. There is no limit on how many times you can do this. Read our handy guide here for more info.

              Do I need to pass a credit check for a 30 day SIM only?

              This largely depends on the network. Smaller networks such as Smarty, Lebara, VOXI and GiffGaff don't apply credit checks, some other networks may still check your credit score.

              Although there are credit checks, this are much lighter, less stringent and easier to pass than if you were applying for a pay monthly, 12 month SIM only deal or 24 month SIM only deal due to less risk for the networks.

              Pros and cons of 30-day SIM only deals

              Pros

              • Much more flexbility than a longer term deal, meaning you are free to leave and change your deal whenever you want.
              • There are a lot of great value plans to choose from
              • Credit checks are generally easier to pass
              • Good for when you don't want to be tied into a longer contract
              • Can use your old handset but with a better value deal

              Cons

              • Included allowances will not be as good as on longer term deals
              • Signing up for longer can give you better value for money

              SIM only Networks

              1pMobile SIM Only Deals
              Asda Mobile SIM Only Deals
              Boshhh Mobile SIM Only Deals
              Giffgaff SIM Only Deals
              Grade Mobile SIM Only Deals
              Honest Mobile SIM Only Deals
              iD Mobile SIM Only Deals
              Lebara SIM Only Deals
              Lycamobile SIM Only Deals
              Mozillion SIM Only Deals
              O2 SIM Only Deals
              ParentShield SIM Only Deals
              Sky Mobile SIM Only Deals
              Smarty SIM Only Deals
              Spusu SIM Only Deals
              Talk Home SIM Only Deals
              Talkmobile SIM Only Deals
              Tesco Mobile SIM Only Deals
              Three SIM Only Deals
              Vodafone SIM Only Deals
              Voxi SIM Only Deals

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              1pMobile
              Asda Mobile
              Carphone Warehouse
              Fonehouse
              Giffgaff
              Grade Mobile
              Honest Mobile
              ID Mobile
              Lebara
              Lycamobile
              Tesco Mobile
              Reward Mobile
              Sky Mobile
              mobiles.co.uk
              Mozillion
              O2
              ParentShield
              Smarty
              Spusu
              Talkmobile
              Three
              Vodafone
              VOXI