hi, how much for the round trip (back and forth), Beijing -Edmonton, within 6 months? 1 {5 @# a" w& t7 [& x+ U3 n5 b * K7 E' C& ^1 Chow much for 1 year open airplane ticket? ) k- e" G+ o+ F# j - ~; F; {0 w' Q% a" p; M A- s4 FThank you for your information.