In-cabin pet carriers that fit LOT Polish Airlines
The carriers from our list that clear LOT Polish Airlines' official 17.7 × 11.8 × 7.9 in under-seat limit — sorted best-fit first, with the ones that squeeze in when collapsed flagged.
Short answer: 3 of the 15 carriers we track fit LOT Polish Airlines' 17.7 × 11.8 × 7.9 in limit, all only when collapsed or squeezed a little. 12 are too big.
Affiliate link — we may earn a small commission at no extra cost to you. It never changes our specs or which carriers we list.
| Carrier | Size | Fit | Buy |
|---|---|---|---|
Sherpa Original Deluxe (Small) up to ~8 lb · max pet 13″ long × 7.5″ tall 8.5" tall vs a 7.9" limit — 0.6" over, but the flexible-height top compresses down. Verify it squeezes under your actual seat. · collapsible/flex | 15 × 10 × 8.5 in | Flexes — 0.6" over | See on Amazon → |
 Mr. Peanut's Gold Series Mini (Low-Profile) up to ~15 lb · over LOT Polish Airlines's 17.6 lb limit once the bag is counted 9" tall vs a 7.9" limit — 1.1" over, but the flexible-height top compresses down. Verify it squeezes under your actual seat. · collapsible/flex | 17 × 11 × 9 in | Flexes — 1.1" over | See on Amazon → |
Sherpa Original Deluxe (Medium) up to ~16 lb · max pet 16″ long × 9.5″ tall · over LOT Polish Airlines's 17.6 lb limit once the bag is counted 10.5" tall vs a 7.9" limit — 2.6" over, but the flexible-height top compresses down. Verify it squeezes under your actual seat. · collapsible/flex | 17 × 11 × 10.5 in | Flexes — 2.6" over | See on Amazon → |
Every fit is against the published maximum; real under-seat space varies by aircraft (why). Full rules & fees: LOT Polish Airlines pet policy → · how LOT Polish Airlines ranks on fee and space →
Other airlines: Lufthansa · Mokulele Airlines · Norwegian · Pegasus Airlines · Porter Airlines · Royal Air Maroc
Common questions
What size pet carrier does LOT Polish Airlines allow in the cabin?
LOT Polish Airlines' published limit for a carrier under the seat in front of you is 17.7 × 11.8 × 7.9 in. Weight limit: Max 8 kg including the container. We last checked this against LOT Polish Airlines' own pet policy on 2026-10-03.
How many pet carriers fit LOT Polish Airlines' limit?
3 of the 15 carriers we track fit LOT Polish Airlines' 17.7 × 11.8 × 7.9 in limit, all only when collapsed or squeezed a little. 12 are too big.
Which carriers only fit LOT Polish Airlines when collapsed or squeezed?
Sherpa Original Deluxe (Small), Mr. Peanut's Gold Series Mini (Low-Profile), 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 LOT Polish Airlines?
Petmate Soft-Sided Kennel Cab (Medium), Sleepypod Atom, Petsfit (Medium) Expandable Soft-Sided, Bergan Comfort Carrier (Small), Mr. Peanut's Gold Series Standard (Expandable), Sleepypod Air, Diggs Passenger, ibiyaya JetPaw Expandable Backpack, Away The Pet Carrier, Frisco Premium Airline-Compliant Carrier, Sherpa Original Deluxe (Large), SturdiBag Pro (Large, Flexible Height). Each is over the 17.7 × 11.8 × 7.9 in limit.