Flight ticket booking for 13 people

[dapatale]

Guys I have to book flight ticket for 13 people round trip Mumbai to Delhi for last week of Nov
What can be the best cheap way to book flight ticket.
Thanks in advance

 

[cardoptimizer]

What all cards you got?

 

[dapatale]

DCB
Neu infinity
PINNACLE
ICICI AMAZON
ICICI RUBXY
SCB DIGISMART
Axis Airtel
Sbi simplycliq
Bob select
Hsbc platinum

 

[cardoptimizer]

Buy tickets from smartbuy using DCB - one way this month. Return - start of next month. This way you get avoid the limit and get around 12-15% points.