Where to Find and Catch Togekiss
From Pokemon Go Wiki
Togekiss are found and captured in Nest and Habitat locations.
Nests
Togekiss Nests are locations that consistently spawn Togekiss.
Habitats
Togekiss Habitats are spawn locations where Togekiss is likely to be encountered, but not guaranteed the way a Nest is.
Additional Tips and Information
Best Nests
If you know a really good nest or any of the nests above is really good, list them here: