How to Reach Priceline Customer Service by Phone or Email? To reach a live person at Priceline customer service for support, you can call their 24/7 Priceline Phone number hotline at US☎️+1(877) (908) (69→60). OTA (Live Person) or 1-800-Priceline 📞1↝877--908--6960 . You can also use the live chat