← Airline rules

Car seats on planes: rules by airline

Whether you can check a car seat free, and whether your baby can sit in it on board, depends on the airline. Onboard use usually needs a booked seat and an approved seat. Compare the rules below.

AirlineCar seat ruleSource
British AirwaysCounts towards the two free items above.Official page
easyJetIf the infant has their own seat, a suitable forward-facing car seat is needed for take-off and landing.Official page
RyanairOnboard use requires a booked seat. Seats must be forward-facing, aircraft-approved, max 43 cm wide, with a 5-point harness.Official page
Jet2Included in the two free items.Official page
TUI AirwaysChecked free, as above.Official page
Virgin AtlanticOne car seat or booster seat free, on top of the allowance.Official page
Aer LingusOne car seat, booster seat or travel cot free.Official page
KLMOne car seat or CARES free. Onboard use requires a booked seat, air certification, max 42 cm wide, and a reservation at least 48 hours ahead.Official page
Air FranceOne car seat checked free. Onboard: an approved seat or CARES, max 44 cm wide.Official page
LufthansaCar seat or baby basket free. Onboard use requires a child ticket and a certified seat secured with the lap belt.Official page
EmiratesOnboard in a separate seat: aircraft-approved and forward-facing, secured with the lap belt. Emirates doesn't provide child restraints.Official page
Qatar AirwaysOne car seat free only if the infant has their own seat.Official page
American AirlinesOne car seat checked free.Official page
DeltaOnboard needs a purchased seat and an FAA-approved or foreign-government/UN-approved restraint, or CARES. Boosters not allowed. Window seat preferred.Official page
UnitedNot verified yetOfficial page

Summarised from each airline's official page, checked 2026-10-14. Rules change: confirm with your airline before you fly.

Lightest infant car seats we list

ProductWeightSuitable forPriceBuy
Joie i-Snug 23.35 kgBirth to 75 cm£105 RRPCheck price at Joie
CYBEX Cloud T i-Size4.5 kg45–87 cm, up to 13 kg£199.95 RRPCheck price at CYBEX
Maxi-Cosi Pebble 360 Pro²4.7 kg40–87 cm, up to 13 kg£259.99 RRPCheck price at Maxi-Cosi

Blank cells: not yet verified from the maker's official page.

FAQ

Can my baby sit in their car seat on the plane?

Usually only if you book them their own seat and the car seat meets the airline's rules. Ryanair: Onboard use requires a booked seat. Seats must be forward-facing, aircraft-approved, max 43 cm wide, with a 5-point harness.

Do car seats fly free?

Many airlines carry one free. easyJet, for example, includes it in its free child items; see the table for each airline.

Related guides

Some links may be affiliate links, which means we may earn a commission at no extra cost to you. Learn more. Specs and prices come from makers' official UK pages (checked 2026-10-14). Always check before you buy.

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