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SUN COUNTRY AIRLINES ANNOUNCES NEW NONSTOP ROUTES

Sun Country adds new low-cost service to beautiful vacation destinations this fall.

MINNEAPOLIS. June 29, 2021 – Sun Country Airlines (NASDAQ: SNCY) today announced the addition of two new nonstop routes out of the Twin Cities, welcoming two new airports to its network. Sun Country will offer nonstop service from Minneapolis-St. Paul International Airport (MSP) to Asheville Regional Airport (AVL) and Palm Beach International Airport (PBI) beginning this October.

As part of this announcement, Sun Country also announced it will begin service to Punta Gorda Airport (PGD) in October, earlier than previously planned.

“We’re thrilled to announce the addition of two new airports to our growing network,” said Grant Whitney, Chief Revenue Officer, Sun Country Airlines. “From the sandy beaches of Florida to the Blue Ridge Mountains in North Carolina, there’s something for everyone to enjoy in these exciting vacation destinations.”

“We’re excited to see Sun Country Airlines continue to grow its presence at MSP, with three new routes that offer more choices for travelers,” said Brian Ryks, CEO of the Metropolitan Airports Commission, which operates MSP. “It also signals continued momentum in the industry’s recovery as we enter the second half of 2021.”

Sun Country Airlines currently operates a total of 100 routes across 73 airports in the United States, Mexico, Central America and the Caribbean.

Sun Country’s customer experience includes free in-flight entertainment, complimentary non-alcoholic beverage service, a new mobile-friendly website with more self-service tools, and new interiors on each aircraft. Sun Country provides safe, reliable, hassle-free flights at affordable prices with warm and friendly service. Sun Country’s mission is to connect guests to their favorite people and places, to create lifelong memories and transformative experiences.

These new routes are on sale now at suncountry.com.

From Minneapolis-St. Paul International Airport (MSP)

• Asheville Regional Airport (AVL) o Service begins October 7, 2021 o Operates twice weekly on Thursdays and Sundays o One-way fares as low as $39*

• Palm Beach International Airport (PBI) o Service begins October 7, 2021 o Operates twice weekly on Thursdays and Sundays o One-way fares as low as $49*

• Punta Gorda Airport (PGD) o Service begins October 8, 2021 o Operates twice weekly on Mondays and Fridays o One-way fares as low as $49*

• Fares are valid for one-way travel and are inclusive of all government taxes and fees. • Must be purchased by 11:59 pm CT (Central Time) on July 8, 2021 • Additional baggage and other service fees may apply. • Seats are limited and fare may not be available on all flights or dates within the travel range. • Valid for new bookings only. • Fares, routes and schedules are subject to change without notice. • Restrictions apply.

About Sun Country

Sun Country Airlines is a new breed of hybrid low-cost air carrier that dynamically deploys shared resources across our synergistic scheduled service, charter and cargo businesses. Based in Minnesota, we focus on serving leisure and visiting friends and relatives ("VFR") passengers and charter customers and providing cargo CMI services, with flights throughout the United States and to destinations in Mexico, Central America and the Caribbean.

For photos, b-roll and additional company information, visit www.suncountryview.com/multimedia.

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