Frontier Airlines (F9) — Complete Travel Guide
Everything you need to know about flying with Frontier Airlines: baggage policy, carry-on rules, online check-in, cancellation policy, seat selection, and expert tips to save money. This guide is updated regularly to reflect the latest Frontier Airlines policies.
Quick Facts About Frontier Airlines
- IATA Code: F9
- Carry-On: 24x16x10 inches, 35 lbs max
- First Checked Bag: $39-$49 during booking, up to $89 at gate
- Check-In Opens: 24 hours before departure
- Last Updated: May 2026
Frontier Airlines Travel Guides
Explore our detailed guides for Frontier Airlines:
- Frontier Airlines Baggage Policy — Checked bag fees, weight limits, oversized items, and tips to avoid fees.
- Frontier Airlines Carry-On Rules — Carry-on dimensions (24x16x10 in), personal item size, and enforcement.
- Frontier Airlines Online Check-In — Check-in opens 24 hours before departure, mobile app, boarding pass options.
- Frontier Airlines Cancellation Policy — 24-hour rule, refund eligibility, change fees, and credit options.
- Frontier Airlines Seat Selection — Free vs paid seats, upgrade options, and best seat tips.
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