
Noting comments by
bubulle and
Debian-uk preparations, I've started looking at flights for Debconf8 with an eye to actually making a booking.
There appears that there will be a variety of Debian-ites hanging around Madrid airport and catching an apparently very limited number of flights to Buenos Aires as I seem to only be able to find 2 flights a day between Madrid and Buenos Aires.
Bubulle notes a connection from Paris to Madrid, I (and most of the UK team) would need a connection from London to Madrid. For some bizarre reason, leaving from Gatwick is more expensive than leaving from Heathrow. That's a PITA for me because my return flight home leaves from Gatwick.
More annoying is that the evening flight is much more expensive than the (very) early morning flight. So much so that it comes out at almost double the cost of even a relatively expensive hotel for the night.
My current ruminations revolve around:
flight 780.62 - Expedia Special Fare
07:25 Depart London (LHR)
Arrive Buenos Aires (EZE) 19:25 Fri 1-Aug
13:25 Depart Buenos Aires (EZE)
Arrive London (LHR) 10:05 tip+1 day Sun 17-Aug
The arrival back in London is good for me because it provides plenty of time to get between Heathrow and Gatwick, even on a Sunday.

I guess London is a little further from Madrid than Paris - my trip comes out at over 1,000 compared to 900 from Paris. Can't really justify a return Eurostar for that difference.
(Yes, I'm travelling out for DebCamp too.)