Originally Posted by dakaix

Have just built a similar itinerary (albeit with 40hrs in SEA):
GVA-MAD-MIA-LAX-SFO//SFO-SEA-SFO//SFO-LAX-JFK-HEL-ZRH
£1190 for GVA-SFO and 720TP
£188 for SFO-SEA, AA codeshare operated by AS, and 15TP (subject to BAEC wrangling)

Lots of other routings available via MAD (JFK, PHL, CLT, MIA), we've done the HEL option on the return as my friend wanted to avoid the IB A330's we're forced on due to the schedule.