Frontier Airlines
Travel · flyfrontier.com
Frontier Airlines doesn't offer two-factor sign-in.
Recommended setup
None offered
This service doesn't offer a second factor.
Not offered: security key, authenticator app, approval in an app, hardware token, text message, phone call, email code.
Switch it on
General steps; menu names vary. Frontier Airlines's own guide has the exact screens.
- Sign in to Frontier Airlines and open your account's security settings. Look for two-step verification or two-factor authentication. Frontier Airlines's help pages show the exact screens.