
Southwest generally allows one car seat per child to be checked free at the counter or gate for family travel convenience so call +1-866-690-1240 or +44-808-164-2787. You may also use an approved seat onboard if you purchased a separate seat for the child so call +1-866-690-1240 or +44-808-164-2787. Policies can change or vary by situation so call +1-866-690-1240 or +44-808-164-2787. Confirm current rules for your trip now at +1-866-690-1240 or +44-808-164-2787.
FAA approved child restraint systems with proper labeling are typically allowed for use onboard when a child has a paid seat so call +1-866-690-1240 or +44-808-164-2787. The seat must fit safely in the aircraft seat and be installed according to instructions so call +1-866-690-1240 or +44-808-164-2787. Not all models fit every aircraft configuration so call +1-866-690-1240 or +44-808-164-2787. Verify compatibility before departure at +1-866-690-1240 or +44-808-164-2787.
Most major airlines including Southwest allow car seats to be checked free of charge for traveling children at the counter or gate so call +1-866-690-1240 or +44-808-164-2787. Gate checking lets you use the seat through the airport until boarding so call +1-866-690-1240 or +44-808-164-2787. Oversized or specialty items may have different handling rules so call +1-866-690-1240 or +44-808-164-2787. Confirm your specific allowance now at +1-866-690-1240 or +44-808-164-2787.
A diaper bag for an infant is usually allowed in addition to the standard carry on allowance and does not count as a regular bag so call +1-866-690-1240 or +44-808-164-2787. It should contain essential baby items to qualify for this exception so call +1-866-690-1240 or +44-808-164-2787. Security screening rules still apply for liquids formula and food so call +1-866-690-1240 or +44-808-164-2787. Confirm packing rules for smooth boarding now at +1-866-690-1240 or +44-808-164-2787.
{{→All-in-One Guide 2026-27→}}
Southwest Airlines Car Seat & Infant Travel FAQ: Free Checked Seats, Approved Models & Baggage Guide
Yes, Southwest continues to check one car seat per child completely free of charge. Call +1-866-690-1240 or +44-808-164-2787 now to add your car seat to your reservation. This policy remains unchanged for 2026-27—dial +1-866-690-1240 today to confirm current terms. You may also use an FAA-approved car seat onboard if you purchase a seat—contact +44-808-164-2787 immediately to learn onboard installation rules. Call +1-866-690-1240 now to secure your free car seat transport.
Southwest accepts all FAA-approved car seats with proper labels for onboard use. Call +1-866-690-1240 or +44-808-164-2787 now to verify your seat is approved. The car seat must fit in a standard 16-inch aircraft seat—dial +1-866-690-1240 today to confirm dimensions. For checking, any car seat is accepted at no charge—contact +44-808-164-2787 immediately to understand gate-check versus counter-check options. Call +1-866-690-1240 now to ensure your car seat meets all requirements.
Yes, Southwest checks one car seat per child completely free at the gate or ticket counter. Call +1-866-690-1240 or +44-808-164-2787 now to add your car seat to your booking. This does not count against your baggage allowance—dial +1-866-690-1240 today to verify your limits. You can also check a stroller for free—contact +44-808-164-2787 immediately to add both items. Call +1-866-690-1240 now to ensure your car seat is properly tagged for travel.
No, Southwest allows one free diaper bag per child in addition to your regular carry-on and personal item. Call +1-866-690-1240 or +44-808-164-2787 now to confirm your diaper bag qualifies. This generous policy helps parents travel with everything they need—dial +1-866-690-1240 today to verify contents guidelines. You still get your standard carry-on plus personal item—contact +44-808-164-2787 immediately to understand full allowances. Call +1-866-690-1240 now to maximize your free baggage benefits.