hi, how much for the round trip (back and forth), Beijing -Edmonton, within 6 months? 3 O2 D# c( P( l4 x$ d* P* P K 2 E: g5 S- i. ?7 Ehow much for 1 year open airplane ticket? # ]% g6 `& Z2 ]# `7 U+ D' M+ n2 {$ Y) w# u l/ @& a! ]3 \/ e! ?! Q! }- x" n' _% ZThank you for your information.