SkyTeam Alliance airlines Delta, Air France and KLM have economy light carry-on-only tickets for San Francisco SFO to Barcelona at $422 round trip and Paris in $450s for travel beginning October 20 into April 2019. One checked bag is additional $40 each way.
Air France San Francisco SFO – Atlanta ATL – Barcelona BCN – Paris CDG – SFO
$442.22 round trip Mon Oct 8 – Mon Oct 15
Air France San Francisco SFO – Paris CDG – Atlanta ATL – SFO
$456.24 round trip Sun Oct 21 – Fri Nov 2
