How much under-seat space each airline allows your pet carrier

Published maximum carrier size (L×W×H), 58 airlines, largest to smallest. Official airline policies read 2026-08-14 to 2026-11-11. Source: CabinPets

Under-seat pet carrier limit by airline, largest to smallestSaudia21×16×13 inContour Airlines24×16×10 inPorter Airlines21.5×15.5×10.5 inPegasus Airlines19.7×12.6×12.6 inairBaltic21.7×15.7×9.1 inAustrian Airlines21.7×15.7×9.1 inBrussels Airlines21.7×15.7×9.1 inDiscover Airlines21.7×15.7×9.1 inEdelweiss21.7×15.7×9.1 inEurowings21.7×15.7×9.1 inITA Airways21.7×15.7×9.1 inLufthansa21.7×15.7×9.1 inSwiss International Air Lines21.7×15.7×9.1 inAvianca22×14×10 inCondor21.6×15.7×9 inFrontier Airlines18×14×11 inFinnair21.7×15.7×7.9 inRoyal Air Maroc21.7×15.7×7.9 inJSX17×13×11 inIberia17.7×13.8×9.8 inAllegiant Air18×12×11 inVueling17.7×15.4×8.3 inAir Europa15.7×11.8×11.8 inAmerican Airlines18×11×11 inAmerican Eagle18×11×11 inCopa Airlines18×11×11 inDelta Air Lines18×11×11 inUnited Airlines18×11×11 inAir Canada17×16×8 inEtihad Airways15.7×15.7×8.7 inGOL Linhas Aéreas16.9×12.6×9.4 inAvelo Airlines17×9×13 inViva Aerobus17.3×13.8×8.3 inSouthwest Airlines18×10.5×10 inTAP Air Portugal17.7×11.8×9 inAir France18.1×11×9.4 inKLM Royal Dutch Airlines18.1×11×9.4 inSun Country Airlines17×12×9 inAsiana Airlines17.7×12.6×8.2 inCape Air17×12.5×8.5 inJetBlue17×12.5×8.5 inAlaska Airlines17×11×9.5 inAlaska Horizon17×11×9.5 inHawaiian Airlines17×11×9.5 inBreeze Airways17×8×13 inTransavia15.7×11.8×9.4 inLATAM Airlines15.7×11×9.8 inTurkish Airlines15.7×11.8×9.1 inLOT Polish Airlines17.7×11.8×7.9 inKorean Air17.5×12.5×7.5 inAzul Linhas Aéreas16.9×12.4×7.8 inNorwegian16.9×12.2×7.9 inAir Transat17×9.5×10 inVolaris17.3×11.8×7.5 inAegean Airlines15.7×9.8×9.8 inSAS Scandinavian Airlines15.7×9.8×9.1 inWestJet16×10×8.5 inEL AL Israel Airlines13×8×7 in

Source: Airline pet fee & carrier-size index 2026 — CabinPets · each figure cited to the airline's own page · CC BY 4.0