Best eSIM for travel in 2026: how to choose the right one
Short answer: The best travel eSIM is the one that covers where you are going, in a data size that matches how long you are away, with hotspot allowed and nothing that renews on its own. For most trips that means a fixed 3 to 5 GB plan for a country, or one regional plan if you are crossing borders. Plans here start at £1.49.
“Best” depends on three things nobody can answer for you: where you are going, for how long, and what you do on your phone. Rather than rank providers, which would be out of date by the time you read it, this page is the method for choosing, followed by guides to the destinations people search for most.
The five things that decide which eSIM is best for you
- Coverage of your actual route. One country, a region, or the whole world. Buying a plan that does not list a country you will visit is the most common and most expensive mistake.
- Data size against trip length. Most travellers use between 1 and 5 GB on a trip. Our destination guides show the cheapest plan that is both big enough and valid long enough for 3, 7, 14 and 30 days.
- Fixed or unlimited. Fixed data stops when it is used. Unlimited plans usually come with a fair-use policy that throttles you past a daily threshold. Read how to compare them fairly before deciding on price.
- Hotspot. If you will share data with a laptop or a companion, check it is allowed, because it is the feature most often limited. It is enabled on every plan we sell.
- What happens when it runs out. Does it stop, throttle, renew, or can you top up? Ours stops, never renews, and eligible plans can be topped up in the app.
Best eSIM by situation
A single-country holiday. A local plan for that country. It is almost always the cheapest and you only pay for what you use.
A trip across several countries. A regional plan, as long as every country you will visit is on its list. See the Europe guide.
A weekend or stopover. The smallest tier. Our short-trip guide covers sizing.
A month or more. A 20 GB plan, with top-up as the safety net. See eSIMs for digital nomads.
Heavy streaming every day. This is the one case where an unlimited plan can win on price. Be honest about whether that is you, and check the fair-use threshold first. We compare the unlimited model here.
Sharing with others. One plan with hotspot is usually cheaper than several eSIMs; see family and group travel.
Destination guides with live prices
Each guide has a sizing table by trip length, the networks our plans use, and the local gotchas that a price list does not tell you.
- USA — from £1.99; 5 GB £6.99
- Europe — from £5.49; 5 GB £19.99
- Japan — from £1.49; 5 GB £5.49
- Thailand — from £2.49; 5 GB £6.99
- Turkey — from £1.49; 5 GB £4.99
- Dubai — from £3.49; 5 GB £15.99
- Mexico — from £3.49; 5 GB £14.99
- Italy — from £1.49; 5 GB £4.99
- Spain — from £1.49; 5 GB £4.99
- France — from £1.49; 5 GB £5.49
- UK — from £1.49; 5 GB £4.99
- Bali — from £2.49; 5 GB £8.99
- Vietnam — from £2.99; 5 GB £10.99
- South Korea — from £1.99; 5 GB £7.49
Compare providers before you buy
We would rather you compared than guessed. These pages walk through each comparison properly, including the cases where the other provider is the better buy:
- How to compare travel eSIM providers fairly
- Airalo, Holafly, Saily, Nomad, Ubigi
- eSIM vs roaming and eSIM vs a local SIM card
Before you buy any eSIM
Check three things on your phone. It must support eSIM (device list), it must be carrier-unlocked, and you should install the eSIM before you travel but only switch it on when you land. Installing on home Wi-Fi is far easier than at an airport.
Disclosure: we sell travel eSIMs, so this is a buyer’s guide from a seller. Every price and plan size on our side comes from our live catalogue when the page is built. We quote no competitor prices, because they change weekly. Last reviewed 7 November 2026.