Online retailers:
* [Musicnotes.com](https://www.musicnotes.com/sheet-music/mtdf2/a-thousand-years-ft-christina-perri/flute-solo): This website offers a flute solo arrangement of "A Thousand Years" for purchase and download.
* [Sheet Music Plus](https://www.sheetmusicplus.com/title/a-thousand-years-sheet-music/20504629): This website offers a variety of flute arrangements of "A Thousand Years," including solos, duets, and trios.
* [Amazon.com](https://www.amazon.com/Thousand-Years-Flute-Solo-Sheet/dp/B0082W3L2Q): This website offers a collection of "A Thousand Years" sheet music for the flute, including solos and duets.
Music stores:
Sheet music for "A Thousand Years" for the flute can also be found at local music stores and music education centers. These stores may have physical copies of the sheet music for purchase or may be able to special order it for you.
Public libraries:
Some public libraries have collections of sheet music that may include "A Thousand Years" for the flute. You may be able to borrow these copies for free with a library card.
Please note that the availability of sheet music for "A Thousand Years" for the flute may vary depending on the resources available in your area. You may need to search through multiple sources to find the arrangement that you're looking for.