The best eSIM for Austria depends on how much data you need, but for a typical trip eSIM Ahora offers plans from $0.90, activated by QR code in about 30 seconds with no roaming from your home carrier. A 3 GB, 30-day plan costs $2.99. You connect, with top-ups available and nationwide coverage. It includes EU roaming if you continue your trip across Europe. Compatible with iPhone XS or newer, Samsung Galaxy S21+ and Google Pixel 3+.
Full-speed data every day; after the daily cap the speed is reduced.
Full speed up to 500 MB/day, then 512 Kbps.
Every eSIM can be installed within 180 days of purchase. Plan validity starts when you first connect.
Your eSIM picks between these networks on its own. If you see bars and nothing loads, you can pick one by hand.
Your Austria eSIM runs on 3 and A1.net, and your phone picks whichever has the better signal. Other local networks won't carry your data: if you see signal bars and nothing loads, turn off automatic network selection (iPhone: Settings → Cellular → your eSIM → Network Selection; Android: Settings → Network & internet → SIMs → your eSIM) and pick 3 or A1.net by hand.
Austria has three main carriers: A1 Telekom Austria (largest nationwide coverage, 5G in Vienna, Salzburg, Innsbruck, Graz, and Klagenfurt), Magenta Telekom (Deutsche Telekom subsidiary, strong in urban areas), and Drei (Hutchison, best value). Plugs are Type C and F (European Schuko standard, same as Germany), 230V. On the ÖBB Railjet (Vienna-Salzburg-Innsbruck) there's onboard WiFi and 4G/5G coverage is stable along most of the route.
Vienna Schwechat Airport (VIE) offers unlimited free WiFi. The currency is the euro; Erste Bank, BAWAG, and Raiffeisen ATMs charge no commission on foreign cards up to €500. The Vienna U-Bahn has 4G at all stations. Austria is conservative on cash — some traditional restaurants (Heurigen, Beisl) only take cash. Tips are 5-10%, rounding up. For skiing in the Alps (Sölden, Kitzbühel, Zell am See), coverage reaches the cable cars but can drop on remote slopes.