£15
OFF
£15 Saving Per Month on giffgaff's Monthly Rolling Unlimited SIM Plan
- Valid till 2 Oct
Editor's tip:
giffgaff UK Voucher Codes & Promos
Find a great deal on your mobile phone or broadband on giffgaff.com. Use the discount codes and offers below for the price.
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£11
OFF
Save £11 a Month on giffgaff's 18-Month Unlimited SIM Plan
- Valid till 2 Oct
Editor's tip:
£5
OFF
🎓 Students Get 20GB for £10 + £5 Bonus Credit at giffgaff
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£5
OFF
Get Broadband from giffgaff for as Low as £5 a Month
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Explore All of giffgaff's SIM Only Deals
£5
OFF
Cheap Deals with Refurbished Phones from giffgaff - Starting at Less than £5 a Month
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Sell Your Old Phone to giffgaff for Cash
📦 Free Delivery at giffgaff
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Free
Order a giffgaff SIM Card for Free
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Free
Free Calls to Other giffgaff Numbers with a giffgaff SIM
Editor's tip:
£5
OFF
Get £5 When You Refer a Friend to giffgaff
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Buy Now, Pay Later With Klarna at giffgaff - Click Here to Find Out How
🖤 Overview of all giffgaff Black Friday Deals
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Offers:
13
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Total Discounts:
13
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🥇 Best Discount:
£15
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Useful Links
- giffgaff Help Centre
- How to Contact giffgaff
- giffgaff.com Shipping & Returns Information
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Lebara Discount Code: Get SIM Plans Half-Price
- Valid till 24 Jan 2027
£25
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£25 Discount at Affordable Mobiles for NHS & Key Workers
£10
CODE
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iD Mobile Offer Code: £10 Saving on Upfront Costs
- Valid till 31 Aug
Frequently asked questions
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Does giffgaff use discount codes?
giffgaff does not use traditional promo or discount codes at checkout. Instead, promotions and savings are provided through the member referral scheme (£5 bonus credit), student plans, and the bi-annual Payback rewards program.
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Does giffgaff offer free delivery?
Yes, giffgaff provides free delivery on all orders without a minimum spend. Mobile phone orders include free next-business-day delivery to most UK mainland addresses, while SIM cards are delivered free within 1–2 business days in the UK and internationally across Europe and worldwide.
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Where can I buy and redeem a giffgaff top-up voucher?
You can purchase top-up vouchers in denominations such as £10, £15, £20, or £25 at over 100,000 UK retail locations, including supermarkets, Post Offices, and stores with PayPoint, Payzone, or Epay. Vouchers (including O2 vouchers) can be redeemed online at giffgaff.com/buy/redeem, via the mobile app, or by dialing 43430.
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How does the giffgaff refer-a-friend program work?
When you share your personal referral link, your friend receives £5 free bonus credit after ordering and activating their SIM with a purchase or top-up of at least £10. You will also earn 500 Payback points (worth £5) for every successful referral.
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Does giffgaff offer a student discount?
Yes, giffgaff offers exclusive student SIM plans that include boosted data allowances for 12 months. To access these deals, you must register or update your account with a valid academic email address ending in .ac.uk or activate an eligible student pack SIM.
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We're confident that we have all giffgaff coupon codes, up to date until 24 August 2026. If we're wrong, please let us know. Submit a Discount Code.
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