Use iPad mini as a personal hotspot.
From Apple Where supported, iPad mini can share its high-speed data connection as a personal hotspot.
You can connect up to five devices xe2x80x94 such as a MacBook Air, an iPod touch, or another iPad xe2x80x94 over Wixe2x80x91Fi, Bluetooth, or USB.
Share an Internet connection: Go to Settings > General > Cellular and tap Set Up Personal Hotspot xe2x80x94if it appearsxe2x80x94to set up the service with your carrier. After you turn on Personal Hotspot, other devices can connect in the following ways: xe2x80xa2 W-Fi: On the device, choose your iPad from the list of available Wi-Fi networks.
As @Patrix pointed out, it all depends where your "source" wifi comes from.
There is always a BUT :)
But, since you think you can get only one WiFi connection in the place you are going, try Boingo, to see if they have something there.
In my case, when the hotels are trying to rip me off (like $20 per day for internet use), I use my unlocked phone, go to local store and buy a SIM with Internet for cheep.