F9Frontier Airlines (F9)
United States
Everything you need to know about flying with Frontier Airlines. Check-in deadlines, boarding times, and expert tips to make your Frontier Airlines flight smooth and stress-free.
Check-in & Boarding Timeline
Online Check-in
Opens24hbefore departure
Closes1hbefore departure
Airport Check-in
Opens2hbefore departure
Closes1hbefore departure
Boarding
Opens45mbefore departure
Closes20mbefore departure
Travel Tips
Self Service
Use the online check-in system and mobile boarding pass to avoid airport lines and save on fees.
Bag Drop
If you complete online check-in and have no checked bag, proceed directly to security and your departure gate.
Bag Drop
Only a personal item is included for free. Strictly adhere to personal item size limits to avoid fees. Add carry-on or checked bags at booking for the lowest price.
Frequently Asked Questions
Track your Frontier Airlines flight
Get real-time updates, check-in reminders, and personalized tips for your Frontier Airlines journey.
