Contacts & rights

Where to send it, who to escalate to, and what you're actually owed.

Customer relations form

Frontier's official complaint intake — the paper trail that counts.

Reservations & support

1-801-401-9000 — phone support is limited; chat is the primary channel.

Corporate mail

Frontier Airlines, Attn: Customer Relations, 4545 Airport Way, Denver, CO 80239

U.S. DOT complaint

Airline not responding within 30 days? File federally — this gets attention.

Know your rights

Verify details with the airline or the DOT before relying on them — rules can change.