If you wish to carry more than your allotted baggage allowance, you can purchase excess baggage on qatarairways.com, city offices, ticketing offices and call centres up to 3 hours prior to departure.
You can also purchase excess baggage at the time of check-in at the check in counter at the airport.
Click here to learn more about excess baggage rates. https://www.qatarairways.com/en/baggage/excess.html
Rates mentioned in the link apply to Qatar Airways' operated flights only. If your itinerary includes flights operated by other airlines, different baggage rules may apply. Please contact your nearest Qatar Airways ticketing office, or our call centre to verify the rules and charges applicable to your baggage allowance.
To purchase excess baggage login to Manage Booking (you will require PNR/ticket number/Privilege Club number and passenger's last name).
Once you retrieve your booking, then click on "Purchase Excess baggage" on the right panel to purchase excess baggage online.
For other enquiries contact your local offices, contact details can be found in the following link https://www.qatarairways.com/en/worldwide-offices.html