Porter Airlines in-cabin pet policy — and the carriers that fit
Porter Airlines allows small pets in the cabin in a carrier up to 21.5 × 15.5 × 10.5 in, soft-sided, stowed under the seat in front of you. Already own a carrier? Enter its measurements below to check it against this limit. The in-cabin fee is $50–$57.50 per direction ($50.00 CAD/USD plus applicable taxes) · non-refundable. 8 of the 15 carriers we track clear that published limit.
The Sherpa Original Deluxe (Small) leaves the most room — 2" on its tightest dimension, while the Sherpa Original Deluxe (Medium) only just squeaks in with nothing to spare. Porter's 10.5" height ceiling sits mid-pack among the 77 airlines we track: Air Europa, Allegiant, American and American Eagle (regional, incl. Republic Airways) allow more, while EL AL Israel allows only 7".
Will your carrier fit Porter Airlines?
Measure the outside of your carrier (bulges included) and enter it below. The check uses Porter Airlines’s published 21.5 × 15.5 × 10.5 in limit — height is checked strictly, the footprint may rotate.
Carriers that clear Porter Airlines (21.5 × 15.5 × 10.5 in)
Roomiest margin first. Sized to the airline’s limit, not to your pet — measure your pet first →
| Carrier | Size | Fit | Buy |
|---|---|---|---|
Sherpa Original Deluxe (Small) up to ~8 lb · max pet 13″ long × 7.5″ tall | 15 × 10 × 8.5 in | Fits 2" spare | See on Amazon → |
 Mr. Peanut's Gold Series Mini (Low-Profile) up to ~15 lb | 17 × 11 × 9 in | Fits 1.5" spare | See on Amazon → |
Mr. Peanut's Gold Series Standard (Expandable) up to ~20 lb | 18 × 11 × 10 in | Fits 0.5" spare | See on Amazon → |
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Porter Airlines pet rules
| Max carrier size (published) | 21.5 × 15.5 × 10.5 in |
| Soft-sided required? | Yes |
| In-cabin fee | $50–$57.50 per direction ($50.00 CAD/USD plus applicable taxes) · non-refundable · compare all airlines → |
| Species allowed | small dogs, house cats |
| Pets | 1 carrier per passenger · 1 pet per carrier · up to 2 pets in the cabin per flight |
| Booking | Reserve when booking or call the Porter Call Centre at 1-888-619-8622 — space-available, minimum 24 hours' notice · what to book, buy and pack → |
| Seating restrictions | Not permitted in emergency exit rows, or for unaccompanied minors, passengers travelling with an infant, passengers using a medical device stowed under the seat, or registered travel attendants. Your pet in its carrier counts as your one standard carry-on — you may bring only one additional personal item (13 × 17 × 6 in). |
Source: official Porter Airlines pet policy · verified 2026-08-14 · how Porter Airlines ranks on fee and space →
Carriers that fit Porter Airlines
Matched to Porter Airlines's published 21.5 × 15.5 × 10.5 in limit (height checked strictly; footprint may rotate). See the full Porter Airlines carrier shortlist →
Affiliate link — we may earn a small commission at no extra cost to you. It never changes our specs or which carriers we list.
This table ranks by Porter Airlines’s size limit — not by your pet. The weight under each carrier is what that size is rated to hold. A bag can clear the airline and still be the wrong size for the animal, which is the most common reason one goes back — measure your pet first →
| Carrier | Size | Fit | Buy |
|---|---|---|---|
Sherpa Original Deluxe (Small) up to ~8 lb · max pet 13″ long × 7.5″ tall | 15 × 10 × 8.5 in | Fits 2" spare | See on Amazon → |
Mr. Peanut's Gold Series Mini (Low-Profile) up to ~15 lb | 17 × 11 × 9 in | Fits 1.5" spare | See on Amazon → |
Mr. Peanut's Gold Series Standard (Expandable) up to ~20 lb | 18 × 11 × 10 in | Fits 0.5" spare | See on Amazon → |
Petmate Soft-Sided Kennel Cab (Medium) up to ~10 lb | 17 × 10 × 10 in | Fits 0.5" spare | See on Amazon → |
Sherpa Original Deluxe (Medium) up to ~16 lb · max pet 16″ long × 9.5″ tall | 17 × 11 × 10.5 in | Exact fit 0" spare | See on Amazon → |
Diggs Passenger pet size not published · Diggs discontinued this carrier — link goes to similar carriers | 17 × 12 × 10.5 in | Exact fit 0" spare | Search Amazon → |
ibiyaya JetPaw Expandable Backpack up to ~17 lb | 18 × 12 × 10.5 in | Exact fit 0" spare | See on Amazon → |
Sleepypod Atom up to ~12 lb | 17 × 8.5 × 10.5 in | Exact fit 0" spare | See on Amazon → |
Sleepypod Air up to ~18 lb | 22 × 10.5 × 10.5 in | Squeezes — 0.5" over | See on Amazon → |
Sherpa Original Deluxe (Large) up to ~22 lb · max pet 18″ long × 10.5″ tall | 19 × 11.75 × 11.5 in | Flexes — 1" over | See on Amazon → |
SturdiBag Pro (Large, Flexible Height) pet size not published | 18 × 11.5 × 11.5 in | Flexes — 1" over | See on Amazon → |
4 carriers too big for Porter Airlines
Away The Pet Carrier pets up to ~18 lb | 18.7 × 10.8 × 10.75 in | Too tall (10.75" > 10.5") | Compare similar on Amazon → |
Petsfit (Medium) Expandable Soft-Sided up to ~13 lb | 17 × 11 × 11 in | Too tall (11" > 10.5") | View on Amazon |
Bergan Comfort Carrier (Small) pet size not published | 16 × 8 × 11 in | Too tall (11" > 10.5") | View on Amazon |
Frisco Premium Airline-Compliant Carrier up to ~22 lb | 18 × 11 × 11 in | Too tall (11" > 10.5") | Compare similar on Amazon → |
How to confirm your actual under-seat space
Porter Airlines's number is its published maximum, not a guarantee for your exact seat. Before you buy or fly:
- Check which aircraft operates your flight (in your booking or on a seat-map site).
- Avoid bulkhead and exit rows — bulkheads have no under-seat storage and most airlines ban pets there — and check this airline's seat rules above.
- Call Porter Airlines to confirm under-seat dimensions for that aircraft, or
- Choose a collapsible / flexible-height carrier that adapts to a tighter space.
More airlines: Air Canada · Alaska Airlines · Allegiant Air · American Airlines · Breeze Airways · Delta Air Lines · Frontier Airlines · Southwest Airlines · United Airlines · all →
Common questions
What size pet carrier does Porter Airlines allow in the cabin?
Porter Airlines's recommended maximum in-cabin carrier is 21.5 × 15.5 × 10.5 in. It must fit fully under the seat in front of you. Source: the Porter Airlines pet policy.
How much does Porter Airlines charge for an in-cabin pet?
$50–$57.50 per direction ($50.00 CAD/USD plus applicable taxes) · non-refundable. Always confirm the current fee on the official Porter Airlines pet page before you fly.
Which pet carriers fit Porter Airlines?
8 of the 15 carriers we track clear Porter Airlines's published 21.5 × 15.5 × 10.5 in. The roomiest is the Sherpa Original Deluxe (Small), with 2" to spare on its tightest dimension. The heaviest pet any carrier that clears Porter Airlines is rated for is 20 lb (some fitting carriers publish no pet rating). Full shortlist: /fits/porter/.
Does Porter Airlines require a soft-sided pet carrier?
Yes — Porter Airlines requires a soft-sided carrier in the cabin. Height is what rules carriers out: Porter Airlines publishes 10.5", against 13" at the most generous airline we track.
How many pets can I bring in the cabin on Porter Airlines?
1 carrier per passenger · 1 pet per carrier · up to 2 pets in the cabin per flight. Species accepted: small dogs, house cats. Reserve when booking or call the Porter Call Centre at 1-888-619-8622 — space-available, minimum 24 hours' notice