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Frontier Airlines·None
How Frontier seat selection works by fare, extra legroom options, upgrade routes, and the family seating rules that let children sit with a parent free.
Key Travel Facts & Insights
All seat assignments are paid on Basic fares. Declining a paid seat gets a free random assignment at check-in.
Stretch seating adds several inches of pitch. UpFront Plus blocks the adjacent middle seat in the first rows, giving a two-across experience.
Stretch and UpFront Plus can be bought at booking, check-in or the gate.
Frontier seats children 13 and under with an accompanying adult at no cost under DOT rules.
Frontier operates: Basic, Economy Bundle, Premium Bundle, Business Bundle.
All seat assignments are paid on Basic fares. Declining a paid seat gets a free random assignment at check-in.
Frontier seats children 13 and under with an accompanying adult at no cost under DOT rules.
Stretch and UpFront Plus can be bought at booking, check-in or the gate.
Fare rules, baggage allowances and change policies differ by route and fare brand. Our consultants confirm the exact terms attached to your itinerary before you pay — and handle the change or refund if plans move.