United Kingdom
London eSIM plans
Heathrow has the Elizabeth line and the Piccadilly line into the centre, Gatwick and Stansted have express trains, and with the eSIM on before passport control you have the route and the Oyster alternative sorted. The Tube now has 4G and 5G on most lines.
The cheapest London eSIM is $1.57 for 1 GB · 7 days; unlimited data costs $1.49 a day (the first 1 GB each day at high speed, then 512 Kbps under the fair use policy). Plans run on EE and 3, with 5G. Prices checked 9 November 2026.
Cheapest United Kingdom plans for London
Any United Kingdom plan works in London. See all United Kingdom plans →
Prices checked 9 November 2026.
- Unlimited dataFair use policyAfter 1 GB each dayYou get 1 GB at high speed each day. After that, the fair use policy slows data to 512 Kbps until the next day, so you are never cut off.Validity1–30 daysNetwork5GTop-upUp to 9 timesOperatorsEE +1 $1.49per dayView plan
- 1 GB · 7 daysHigh speed1 GBYou get 1 GB at high speed to use within 7 days. When it runs out, you can top up to keep going.Validity7 daysNetwork5GTop-upUp to 9 timesOperatorsEE +1 $1.57View plan
- Unlimited dataFair use policyAfter 1 GB each dayYou get 1 GB at high speed each day. After that, the fair use policy slows data to 1 Mbps until the next day, so you are never cut off.Validity1–30 daysNetwork5GTop-upUp to 9 timesOperatorsEE +1 $1.73per dayView plan
- Unlimited dataFair use policyAfter 2 GB each dayYou get 2 GB at high speed each day. After that, the fair use policy slows data to 500 Kbps until the next day, so you are never cut off.Validity1–30 daysNetwork5GTop-upUp to 9 timesOperatorsEE +1 $2.78per dayView plan
- 2 GB · 15 daysHigh speed2 GBYou get 2 GB at high speed to use within 15 days. When it runs out, you can top up to keep going.Validity15 daysNetwork5GTop-upUp to 9 timesOperatorsEE +1 $2.86View plan
- Unlimited dataFair use policyAfter 2 GB each dayYou get 2 GB at high speed each day. After that, the fair use policy slows data to 1 Mbps until the next day, so you are never cut off.Validity1–30 daysNetwork5GTop-upUp to 9 timesOperatorsEE +1 $3.30per dayView plan
Where you will use it
Around London
Full coverage in Westminster, South Bank, Shoreditch, Camden, Kensington on every plan.
- Tap in and out with your phone wallet on the Tube and buses; it is capped at the daily Oyster fare.
- Citymapper is the best app for London transport, including which end of the platform to stand.
- EE and Vodafone have the most Tube coverage; all four operators are 5G above ground.
Good to know
London eSIM questions
How much does an eSIM for London cost?
Plans start at $1.49; a data plan costs from $1.57 for 1 GB · 7 days. Unlimited daily data costs $1.49 a day (the first 1 GB each day at high speed, then 512 Kbps under the fair use policy). Prices are in US dollars and include everything: no roaming fees, no subscription.
Does the eSIM work on the London Underground?
On most lines yes: the Elizabeth, Central, Northern, Jubilee, Victoria and Piccadilly lines have 4G and 5G in the tunnels, with the rest being added. Stations have coverage everywhere.
Can I use it for a day trip to Paris or Edinburgh?
Edinburgh yes, it is the same country and plan. Paris no: France is a separate plan, or choose a Europe plan that covers both.
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