eSIMFlag Alternatives
Telefonica's direct-to-consumer travel eSIM competing head-on with Holafly, promoted via O2 Spain. Here are 6 providers worth weighing against it, and the reason each one might suit you better.
First, what eSIMFlag does well
Telefonica's direct-to-consumer travel eSIM competing head-on with Holafly, promoted via O2 Spain. It covers around 170 destinations. Pricing: data-only unlimited plans from about $3.40/day, 1 to 30 days in 170 countries.
Swapping only makes sense if one of those points does not match your trip. The list below is ordered by how closely each provider replaces eSIMFlag.
The best eSIMFlag alternatives
Airalo
The global pioneer. Coverage in 200+ countries.
Airalo is also strong in Europe, and offers unlimited data like eSIMFlag.
- Coverage
- 200+ destinations
- Unlimited
- Yes
- Since
- 2019
Firsty
Free basic data, forever. Pay only for speed.
Firsty offers per-day pricing like eSIMFlag, and adds a free tier or trial, which eSIMFlag does not offer.
- Coverage
- 200+ destinations
- Unlimited
- Yes
- Since
- 2023
Three UK Pay As You Go eSIM
UK PAYG eSIM ordered online with the digital SIM emailed; popular with visitors to the UK
Three UK Pay As You Go eSIM offers unlimited data like eSIMFlag, and adds pay-as-you-go billing, which eSIMFlag does not offer.
- Coverage
- 71+ destinations
- Unlimited
- Yes
- Since
- n/a
Nomad
Built for digital nomads and power users.
Nomad adds a free tier or trial, which eSIMFlag does not offer, and covers more destinations (200+ against 170+).
- Coverage
- 200+ destinations
- Unlimited
- Yes
- Since
- 2020
RedteaGO
Consumer brand of a GSMA-member eSIM technology company that owns more of the connectivity stack than typical resellers
RedteaGO adds budget per-GB rates, which eSIMFlag does not offer, and throws in carrier-grade networks.
- Coverage
- 180+ destinations
- Unlimited
- Varies
- Since
- 2019
Vodafone Travel eSIM
Big-carrier reliability, no Vodafone contract needed.
Vodafone Travel eSIM is the closest like-for-like carrier-backed eSIM, and covers more destinations (200+ against 170+).
- Coverage
- 200+ destinations
- Unlimited
- No
- Since
- 2025
The Sherpa take
There is no provider that beats eSIMFlag everywhere: coverage, price per GB, and whether you need unlimited data pull in different directions. Put your actual destination and trip length into the calculator and the shortlist above narrows itself down fast.
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