Here is the refund lufthansa Policy for the passengers. Lufthansa Airlines is the flag carrier airline and is the largest airline (along with the subsidiaries)....
https://cheapairlinesfares.com/blog/how-to-get-a-refund-from-lufthansa/

If you just got the bookings done for your flight ticket 24 hours back in Sun Country, then you can follow the Sun Country cancellation....
https://cheapairlinesfares.com/blog/sun-country-24-hour-cancellation-policy/

If you have successfully cancelled the Qatar Airways flight, then you shall not be provided with the refund for the same on its own. To....
https://cheapairlinesfares.com/blog/how-do-i-cancel-and-refund-at-qatar-airways/

You need to calculate the cons because there can be times when you might have to cancel the flight tickets because of some unavoidable circumstances.....
https://cheapairlinesfares.com/blog/southwest-airlines-cancellation-and-refund-policy/

When you wish to cancel the flight tickets that you have booked in KLM airlines, then you will have to read the KLM flight cancellation....
https://cheapairlinesfares.com/blog/how-do-i-cancel-and-refund-at-klm-airlines/