In-cabin pet carriers that fit Air Transat
The carriers from our list that clear Air Transat's official 17 × 9.5 × 10 in under-seat limit — sorted best-fit first, with the ones that squeeze in when collapsed flagged.
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| Carrier | Size | Fit | Buy |
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No carrier we track clears this limit outright — you'll want a collapsible or flexible-height model and should confirm for your exact seat. Every fit is against the published maximum; real under-seat space varies by aircraft (why). Full rules & fees: Air Transat pet policy →
Citing this policy data? Go ahead — sourced from the official airline page, last verified 2026-08-14. Copy a ready-made reference:
Other airlines: Delta · JetBlue · American · United · Southwest · Alaska