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giffgaff SIM only deals: how their prices compare this June

giffgaff logo with a SIM cardVisit

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We run through each of giffgaff's best SIM only plans this month and compare them on price with every other mobile network in the UK. SIM Sherpa is your trusty guide. Last updated: 1st June 2023.

giffgaff's best SIM only deals

Our highest-rated SIM only deal on giffgaff this month

giffgaff SIM card
20GB data
a month

1-month dealGet this deal

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Looking at what you can get on SIM only with giffgaff this June, our best-rated deal would be their 1‑month plan below, which comes with 20GB data, plus unlimited minutes and texts for £10 a month:

It's definitely one of giffgaff's best. But it's not market-leading. You can get a similar plan on other providers for less, even if you need your SIM to use the O2 network. Here are other networks you can beat it on:

Their £6 for 2GB plan is a decent deal for June

giffgaff SIM card
2GB data
a month

1-month dealGet this deal

(opens in new window)

For less monthly data, our next best pick of giffgaff SIM only plans is their 1‑month £6 deal below, which gets you 2GB data and unlimited minutes and texts:

Even though it's in our pick of giffgaff's best SIM only deals, you can actually beat it on price with other providers, including ones that also use the O2 network. See the networks with cheaper plans here:

They're also offering 26GB for £12 on SIM only currently

giffgaff SIM card
26GB data
a month

1-month dealGet this deal

(opens in new window)

For even more monthly data, giffgaff are also offering this £12 SIM, which includes 26GB data, unlimited minutes and texts on a 1‑month plan. It's another of their best deals:

While this is a good enough deal to make it into the best of giffgaff's SIMs, you can beat it for price (even if you definitely want a provider that uses the O2 network). Here's which other networks can beat it:

Compare all SIM only plans

Compare deals from all networks

How giffgaff's deals compare with other networks

SIM card with magnifying glass



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More about giffgaff's SIM only plans

How giffgaff’s SIM only prices and benefits compare

Finger rating stars with giffgaff logo

What we think about giffgaffRead our full review

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As we show in our full review of giffgaff, we like that you get full access to O2’s network, including 5G, for a much lower price than being on O2 directly. You also get a decent free WiFi hotspot scheme.

giffgaff market their SIM only deals (their “goodybags”) as monthly bundles of minutes, texts and data with no contracts. Compare their plans here to find the best possible deal.

Their best value plans are their mid-range data deals. For these they work out as one of the cheapest providers on the O2 network (alongside Sky Mobile and Tesco Mobile).

giffgaff are pretty much a no-frills network. They do offer £5 free credit on your first £10 top up and if you get a friend to join giffgaff both you and your friend will get £5 free credit. They also offer inclusive EU roaming as standard.

Useful link: Read our full giffgaff review

Useful information about giffgaff’s SIM only deals

Screenshot of giffagff's network map

Try all places you'll use your phoneCheck your signal

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Your giffgaff SIM will be delivered within 2 working days, and you can get it delivered to the EU within 3-5 working days or even to anywhere else in the world around 5+ days after ordering. They don’t offer eSIMs (see the networks that do).

It’s your right as a customer to get your SIM refunded within the first 14 days of receiving it. But you’ll only get back what you haven’t used, so if you used up a little bit of data you won’t get a full refund. Here’s how you do it.

Since you’re paying for your minutes, texts and data up front then you won’t have to pass a credit check for their SIM only plans. You’ll just have to give them some details so they know who you are.

If you want to switch to giffgaff from another network while keeping your old number you can do so by requesting a PAC from your old provider to give to giffgaff. You can read their instructions on how this works here.

Useful link: Compare all giffgaff SIMs

Other giffgaff guides