Allegiant-Sun Country Merger Fuels International Expansion
Locale: UNITED STATES, ARUBA, BAHAMAS, BELIZE, COLOMBIA, COSTA RICA, DOMINICAN REPUBLIC, ECUADOR, JAMAICA, MEXICO, PANAMA, TURKS AND CAICOS ISLANDS

Las Vegas, Nevada - January 14th, 2026 - The merger between Allegiant Air and Sun Country Airlines, finalized in late 2024, is rapidly reshaping the landscape of affordable leisure travel, with a significant expansion into international markets announced this week. Allegiant, bolstered by Sun Country's fleet and international operating licenses, is set to introduce 18 new destinations across Mexico, Costa Rica, Jamaica, and the Dominican Republic, marking a pivotal moment in the company's growth strategy.
Since the acquisition, the focus has been on integrating Sun Country's operational expertise and leveraging its existing infrastructure to swiftly expand Allegiant's geographical footprint. While Allegiant has historically concentrated on domestic routes within the United States, the addition of Sun Country - known for its focus on leisure travel and operation of a sizable Boeing 737 fleet - opens up a considerable opportunity to capture the burgeoning demand for affordable international vacations.
"This isn't just about adding a few routes; it's about fundamentally changing how people access these incredible destinations," stated Allegiant Air CEO Steven Harfst in a press conference earlier today. "Sun Country's experience in international operations, combined with Allegiant's proven model of offering value-driven air travel, creates a compelling proposition for consumers."
Strategic Destination Selection & Projected Rollout
The specific destinations for these new international routes remain under wraps, but Allegiant executives have emphasized a data-driven approach. Markets will be selected based on a rigorous analysis of leisure travel demand, existing airline presence, and potential for unmet needs. The company's research indicates significant pent-up demand for affordable air travel in several regions within Mexico, Costa Rica, Jamaica, and the Dominican Republic. Analysts speculate that cities with strong tourism potential but limited direct flights from US hubs are prime candidates.
"We've been meticulously analyzing travel patterns and demographics for years," Harfst explained. "Our goal is to pinpoint those underserved markets where our low-cost structure can truly make a difference. We're not just looking for popular destinations; we're seeking opportunities to create new markets and connect travelers to places they've always dreamed of visiting."
The initial rollout of these new routes is slated for early 2025, with a phased introduction to ensure smooth integration and operational efficiency. Allegiant is expected to leverage Sun Country's existing maintenance and operational support infrastructure to expedite the process.
Impact on the Competitive Landscape
The expansion puts Allegiant in direct competition with established airlines like Southwest, JetBlue, and occasionally, legacy carriers on these routes. However, Allegiant's business model - emphasizing point-to-point routes and ancillary revenue - allows them to offer significantly lower base fares, attracting budget-conscious travelers.
"We understand the competitive landscape," Harfst acknowledged. "Our strategy isn't about competing head-to-head with the major airlines on every route. It's about identifying underserved markets and offering a compelling alternative for travelers seeking value and flexibility."
Sun Country's Contribution & Future Outlook
The merger has also been viewed positively by Sun Country's former employees and customers, who appreciate the stability and resources Allegiant brings. Sun Country's fleet of 44 Boeing 737 aircraft has been integrated into Allegiant's larger fleet of 107 aircraft, significantly boosting Allegiant's operational capacity. The total number of destinations served by Allegiant is now projected to exceed 200 within the next two years, a testament to the synergistic benefits of the acquisition.
Industry experts predict that this expansion could solidify Allegiant's position as a leading provider of affordable leisure travel, both domestically and internationally. The success will depend on careful route planning, efficient operations, and maintaining its commitment to value pricing.
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