Skip to main content
Sun Country Airlines Logo

Sun Country Airlines·None

Sun Country Seat Selection & Upgrades

AI Travel Summary & Overview

Sun Country Seat Selection & Upgrades — Summary

How Sun Country 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

  • Choosing a seat: Seat assignments are paid on Standard fares; free assignment at check-in if declined..
  • Extra legroom: Exit row and forward seats are sold at a premium below First Class pricing..
  • Upgrades: First Class upgrades are sold at booking and check-in where available..
  • Seating children with a parent: Children 13 and under are seated with an accompanying adult at no cost under DOT rules..
AirlineSun Country Airlines
IATA CodeSY
TopicSeats & Upgrades
Last reviewed2026-07-31

Choosing a seat

Seat assignments are paid on Standard fares; free assignment at check-in if declined.

Extra legroom

Exit row and forward seats are sold at a premium below First Class pricing.

Upgrades

First Class upgrades are sold at booking and check-in where available.

Seating children with a parent

Children 13 and under are seated with an accompanying adult at no cost under DOT rules.

Cabins available

Sun Country operates: Standard, Best Value Bundle, First Class.

Sun Country seats & upgrades — common questions

Do I have to pay to choose a seat on Sun Country?

Seat assignments are paid on Standard fares; free assignment at check-in if declined.

Can my child sit with me on Sun Country?

Children 13 and under are seated with an accompanying adult at no cost under DOT rules.

How do I upgrade on Sun Country?

First Class upgrades are sold at booking and check-in where available.

More Sun Country help

All Sun Country policies and guides

Booking Sun Country? Talk to a US travel consultant.

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.