TSA·WAIT·TIMES

2026 airline guide

Frontier Airlines: check-in, bags & seats

Frontier Airlines quick facts

Online check-in opens24 hours before departure
Domestic bag drop closes60 minutes before departure
First checked bag (main cabin)varies (dynamic pricing — use Bag Price Checker at flyfrontier.com)
Carry-on fee (base fare)varies (dynamic pricing — use Bag Price Checker at flyfrontier.com; price depends on route, travel date, and purchase timing)

What to know before you fly

Related guides

Know exactly when to leave home

The Leave-By calculator factors in your drive time, parking, check-in, bag drop, and security — so you hit the gate with time to spare.

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Data verified 2026-06-28. Always confirm times and fees on the Frontier Airlines website before you fly.