Need help to locate cheap flights or rewards redemption for a couple of flights:
1. Return SGN-DAD: 27/04/17 afternoon - 01/05/17 evening for 1 pax
2. Return SGN-DAD: 26/04/17 morning flight - 01/05/17evening for 1 pax
3. One-way DAD-SGN: 01/05/17 evening for 2 pax
All flights returning to Ho...