Is there a penalty to cancel a United flight allows passengers to cancel or change their flights by calling for a fee. Typically, the cancellation fee is $200 for domestic flights and $400 for international flights. How easy is it to get a refund from If you purchased a refundable ticket, the refund process is straightforward. You can initiate it by calling. For non-refundable tickets, refunds may still be possible in certain situations, like flight cancellations or significant delays.
Source: https://community.lumivero.com/s/question/0D5Jw00000dM47HKAS/travel-full-guides-united-