To reach a live person at Frontier Airlines customer service for support, you can call their 24/7 Frontier Airlines Phone number hotline at ( 1-844-767-0476). OTA (Live Person) or 1-800-Frontier Airlines ( 1-844-767-0476). You can also use the live chat feature on their website or reach out to them via email. Speaking with a live representative at Frontier Airlines is straightforward ... https://www.steadyhealth.com/topics/how-do-i-contact-frontier-customer-service-by-phone