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: Go to the Frontier Airlines Check-In Page or open the Frontier Mobile App.

: If you have checked bags, you still need to visit the bag drop counter, but having already checked in online speeds up the process. Check-In Deadlines Online/Mobile : 24 hours to 60 minutes before departure. <img width="678" height="376" src="https://i0.w...

: Verify your flight itinerary and passenger information. : Go to the Frontier Airlines Check-In Page

: During this process, you can add bags or select a seat. Note that buying these during check-in is typically cheaper than doing so at the airport counter. : Verify your flight itinerary and passenger information

: You will need your Last Name and your 6-character Confirmation Code (found in your booking email).

: Once finished, you can print your boarding pass or save a mobile version to your phone. Why You Should Check In Online