https://www.devex.com/people/how-to-add-your-infant-to-spirit-airlines-flight-booking-2383517
https://www.devex.com/people/how-to-add-an-infant-to-your-spirit-airlines-first-class-reservation-2383494
https://www.devex.com/people/how-to-add-infant-to-an-spirit-airlines-booking-via-an-ota-2383473
https://www.devex.com/people/step-by-step-guide-how-do-i-add-an-infant-to-my-american-flight-2383522
https://www.devex.com/people/is-there-a-fee-for-adding-an-infant-to-reservation-on-turkish-airlines-2383803