Ba & ac j slc-lhr $2,144 amex travel 6/26-7/3
SLC-SEA-LHR on outbound on BA
LHR-YYZ (BA) - SLC (AC) on return
SLC-SEA books into BA codeshare operated by Alaska in Economy.
Sample Date: 6/26-7/3 $2,144 RT
Can rote via YYZ both ways. SLC-YYZ flights on AC metal and YYZ-LHR on BA metal for $2,144 RT.
Options to fly all alliances for $2400 RT as well and stay within an alliance.
Some pretty decent insider fares if paying with points with AMEX PLAT as well.