Best High-Speed 5G/4G Travel eSIM Packages for Europe Compare the best travel eSIM plans for Europe. Find cheap per-GB rates, unlimited daily 5G passes, instant QR delivery, and zero-KYC activation from Airalo, Nomad, Ubigi, and more. Provider Data Allowance Validity Network Carrier Price (USD) Airalo 5 GB 30 Days Vodafone / O2 (4G LTE) $20.00 Airalo 10 GB 30 Days Vodafone / O2 (5G) $37.00 📲 How to Install & Activate your Europe eSIM (3 Simple Steps) Choose & Purchase: Pick your ideal data pass on EsimTao. Your instant QR Code arrives within seconds via email.Scan QR Code: Open your smartphone Settings > Cellular / Mobile Service > Add eSIM, then scan the QR code.Turn on Roaming at Destination: Upon landing in Europe, switch on Data Roaming for your eSIM to connect to local 5G.