hi, how much for the round trip (back and forth), Beijing -Edmonton, within 6 months? 2 E6 g) _& h: O1 g" f ) v9 L- J j4 k( i; Z$ thow much for 1 year open airplane ticket? 5 M# f5 P6 |$ o. {8 ?2 W2 p. V" a % C/ k5 M- H2 D% U/ y; gThank you for your information.