Do you have a mobile phone through your internet provider? If so it may be possible to tether that to your laptop so that it acts as a dongle. Your provider may then have a "bundle" to enable you to access the internet when away - this may be an extra charge, or not. Some charge only if the internet access is required when you are travelling abroad. I have done this with my Blackberry via orange and have not been charged in this country.
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