The AHRC promotes international links at many levels: from policy through to researcher and researcher links. Funding for international research is delivered in various ways:
The AHRC often works in partnership with other organisations when funding internationally. When this is the case, an organisation other than the AHRC may lead the application process. Please check the guidelines for the funding opportunity you are applying to.
Research beyond borders - the blog

The AHRC's international team have set up a new blog, 'Research beyond borders (opens in a new window)', to help disseminate wider funding opportunities for international research collaboration specific to UK arts and humanities researchers.