If you need to get a refund from Finnair for a canceled or delayed flight, you can follow these steps:

1. Visit Finnair's website and go to the "Customer Service" section.
2. Select "Refunds" from the options provided.
3. Scroll down to the "Submit a refund request" section and click on the link provided.
4. Fill out the refund request form with your personal information, flight details, and the reason for the refund.
5. Attach any necessary supporting documents, such as your booking confirmation or a copy of your ticket.
6. Submit the refund request form.

Once you have submitted your refund request, it may take some time for Finnair to process it. You should receive a confirmation email once your request has been received, and another email once your refund has been processed.

If you have any questions or concerns about your refund request, you can contact Finnair's customer service department for assistance.