hi, how much for the round trip (back and forth), Beijing -Edmonton, within 6 months?' P3 m9 a3 M o# u7 m* K
2 s9 d" p; I o% L" K: J
how much for 1 year open airplane ticket? 2 V5 A4 v, F! }" x- I: G: Y: K : |% i; s0 t f9 B- `. s; UThank you for your information.