If an airline does not accept PayPal directly, you can often use it through online travel agencies (OTAs). Buy Now Pay Later on Flights | PayPal US
Many airlines allow you to select PayPal as your payment method at checkout, provided you meet certain residency or route requirements. can i use paypal to buy airline tickets
: Accepted for all travel except award tickets for residents of the U.S. and UK. If an airline does not accept PayPal directly,
: Accepted for airfare via their website and mobile apps. can i use paypal to buy airline tickets