In-cabin pet carriers that fit KLM Royal Dutch Airlines
The carriers from our list that clear KLM Royal Dutch Airlines' official 18.1 × 11 × 9.4 in under-seat limit — sorted best-fit first, with the ones that squeeze in when collapsed flagged.
Short answer: 4 of the 15 carriers we track fit KLM Royal Dutch Airlines' 18.1 × 11 × 9.4 in limit: 1 with room to spare on every side, 1 with no room to spare on at least one side and 2 only when collapsed or squeezed a little. 11 are too big.
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| Carrier | Size | Fit | Buy |
|---|---|---|---|
 Sherpa Original Deluxe (Small) up to ~8 lb · max pet 13″ long × 7.5″ tall 15 × 10 × 8.5 in is within 18.1 × 11 × 9.4 in — 3.1" spare on length, 1" on width, 0.9" on height. · collapsible/flex | 15 × 10 × 8.5 in | Fits | See on Amazon → |
Mr. Peanut's Gold Series Mini (Low-Profile) up to ~15 lb · over KLM Royal Dutch Airlines's 17.6 lb limit once the bag is counted 17 × 11 × 9 in is within 18.1 × 11 × 9.4 in — 1.1" spare on length, 0" on width, 0.4" on height. Tightest margin is 0", so measure before you fly. · collapsible/flex | 17 × 11 × 9 in | Exact fit | Not available on Amazon right now |
Mr. Peanut's Gold Series Standard (Expandable) up to ~20 lb · over KLM Royal Dutch Airlines's 17.6 lb limit once the bag is counted 10" tall vs a 9.4" limit — 0.6" over, but the flexible-height top compresses down. Verify it squeezes under your actual seat. · collapsible/flex | 18 × 11 × 10 in | Flexes — 0.6" over | Not available on Amazon right nowIn stock and fits the same airlines: Petmate Soft-Sided Kennel Cab (Medium) |
Sherpa Original Deluxe (Medium) up to ~16 lb · max pet 16″ long × 9.5″ tall · over KLM Royal Dutch Airlines's 17.6 lb limit once the bag is counted 10.5" tall vs a 9.4" limit — 1.1" over, but the flexible-height top compresses down. Verify it squeezes under your actual seat. · collapsible/flex | 17 × 11 × 10.5 in | Flexes — 1.1" over | See on Amazon → |
Every fit is against the published maximum; real under-seat space varies by aircraft (why). Full rules & fees: KLM Royal Dutch Airlines pet policy → · how KLM Royal Dutch Airlines ranks on fee and space →
Other airlines: Korean Air · LATAM Airlines · LOT Polish Airlines · Lufthansa · Mokulele Airlines · Norwegian
Common questions
What size pet carrier does KLM Royal Dutch Airlines allow in the cabin?
KLM Royal Dutch Airlines' published limit for a carrier under the seat in front of you is 18.1 × 11 × 9.4 in. Weight limit: 8 kg (17.6 lb) including the travel bag or kennel. We last checked this against KLM Royal Dutch Airlines' own pet policy on 2026-08-25.
How many pet carriers fit KLM Royal Dutch Airlines' limit?
4 of the 15 carriers we track fit KLM Royal Dutch Airlines' 18.1 × 11 × 9.4 in limit: 1 with room to spare on every side, 1 with no room to spare on at least one side and 2 only when collapsed or squeezed a little. 11 are too big.
Which carriers only fit KLM Royal Dutch Airlines when collapsed or squeezed?
Mr. Peanut's Gold Series Standard (Expandable), Sherpa Original Deluxe (Medium). Each is over the published size until folded or pressed down, so measure yours and expect it may be checked at the gate.
Which carriers are too big for KLM Royal Dutch Airlines?
Petmate Soft-Sided Kennel Cab (Medium), Sleepypod Atom, Petsfit (Medium) Expandable Soft-Sided, Bergan Comfort Carrier (Small), Frisco Premium Airline-Compliant Carrier, Sleepypod Air, Diggs Passenger, ibiyaya JetPaw Expandable Backpack, Away The Pet Carrier, Sherpa Original Deluxe (Large), SturdiBag Pro (Large, Flexible Height). Each is over the 18.1 × 11 × 9.4 in limit.
How much does KLM Royal Dutch Airlines charge for a pet in the cabin?
EUR 70 to EUR 500 per one-way flight, depending on route. Confirm the current fee with KLM Royal Dutch Airlines when you book.
How many pets does KLM Royal Dutch Airlines allow in the cabin?
1 cat or dog in the cabin, per passenger — Economy Class only, or Business Class within Europe (no cabin pets in Premium Comfort or Business on intercontinental routes). Confirm the current limit with KLM Royal Dutch Airlines when you book.
How do I book a pet in the cabin on KLM Royal Dutch Airlines?
Reserve via My Trip as soon as possible after booking your flight, and no later than 48 hours before departure. Last checked 2026-08-25.