In-cabin pet carriers that fit Avelo Airlines
The carriers from our list that clear Avelo Airlines' official 17 × 9 × 13 in under-seat limit — sorted best-fit first, with the ones that squeeze in when collapsed flagged.
Short answer: 2 of the 15 carriers we track fit Avelo Airlines' 17 × 9 × 13 in limit: 1 with room to spare on every side and 1 with no room to spare on at least one side. 13 are too big.
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| Carrier | Size | Fit | Buy |
|---|---|---|---|
 Bergan Comfort Carrier (Small) pet size not published 16 × 8 × 11 in is within 17 × 9 × 13 in — 1" spare on length, 1" on width, 2" on height. | 16 × 8 × 11 in | Fits | See on Amazon → |
Sleepypod Atom up to ~12 lb 17 × 8.5 × 10.5 in is within 17 × 9 × 13 in — 0" spare on length, 0.5" on width, 2.5" on height. Tightest margin is 0", so measure before you fly. | 17 × 8.5 × 10.5 in | Exact fit | See on Amazon → |
Every fit is against the published maximum; real under-seat space varies by aircraft (why). Full rules & fees: Avelo Airlines pet policy → · how Avelo Airlines ranks on fee and space →
Other airlines: Avianca · Azul Linhas Aéreas · Breeze Airways · Brussels Airlines · Cape Air · Condor
Common questions
What size pet carrier does Avelo Airlines allow in the cabin?
Avelo Airlines' published limit for a carrier under the seat in front of you is 17 × 9 × 13 in. Weight limit: not published. We last checked this against Avelo Airlines' own pet policy on 2026-09-05.
How many pet carriers fit Avelo Airlines' limit?
2 of the 15 carriers we track fit Avelo Airlines' 17 × 9 × 13 in limit: 1 with room to spare on every side and 1 with no room to spare on at least one side. 13 are too big.
Which carriers are too big for Avelo Airlines?
Sherpa Original Deluxe (Small), Mr. Peanut's Gold Series Mini (Low-Profile), Mr. Peanut's Gold Series Standard (Expandable), Petmate Soft-Sided Kennel Cab (Medium), Sherpa Original Deluxe (Medium), Sleepypod Air, Diggs Passenger, ibiyaya JetPaw Expandable Backpack, Away The Pet Carrier, Petsfit (Medium) Expandable Soft-Sided, Frisco Premium Airline-Compliant Carrier, Sherpa Original Deluxe (Large), SturdiBag Pro (Large, Flexible Height). Each is over the 17 × 9 × 13 in limit.
How much does Avelo Airlines charge for a pet in the cabin?
$125 pet fare each way per pet carrier. Confirm the current fee with Avelo Airlines when you book.