Is Frontier Group Holdings (ULCC) Undervalued Following Its Push Into Spirit Airlines Routes?
Frontier Group Holdings (NasdaqGS:ULCC) is in the spotlight after Spirit Airlines shut down in May 2026, with management pushing an expansion into Spirit’s former routes and eyeing its aircraft and airport slots.
Recent trading has been choppy for Frontier Group Holdings, with the share price falling 16.1% over the past 30 days and 10.1% over 90 days, yet still showing a 23% year to date share price return and an 8.5% one year total shareholder return. This suggests that earlier optimism around the Spirit expansion is now being reassessed as investors weigh execution risks and the path back to profitability.
Compare Frontier Group Holdings' expansion story with other airlines and travel operators that screen well on balance sheet strength and fundamentals in our hand picked list of solid balance sheet and fundamentals (23 results).
Frontier Group Holdings is trying to turn Spirit’s absence into a win, yet the stock’s recent pullback raises a blunt question: Does the current share price fairly reflect that expansion risk and the push back toward profitability?
Most Popular Narrative: 15.7% Undervalued
Frontier Group Holdings closed at $5.62, while the most followed narrative pegs fair value at $6.67, putting the recent Spirit-linked pullback under a sharper spotlight.
The expansion of premium product offerings (e.g., first-class seating, UpFront Plus), increased loyalty cardholder engagement, and enhanced ancillary service monetization are driving higher non-fare revenue per passenger, supporting both top-line growth and margin expansion over the medium term. Ongoing fleet modernization to A320neo and A321neo aircraft is reducing per-seat fuel and operating costs. This positions Frontier to capitalize on fuel efficiency and regulatory compliance trends, which should support improved net margins and earnings scalability as the fleet mix continues to shift.
Want to see the math behind that $6.67 fair value for Frontier Group Holdings? The narrative leans on faster sales growth, rising margins and a future profit multiple that sits below many peers. Curious which specific revenue forecasts and earnings targets have to hold for that to make sense.
Result: Fair Value of $6.67 (UNDERVALUED)
Have a read of the narrative in full and understand what's behind the forecasts.
Still, the Frontier Group Holdings story frays quickly if domestic capacity stays elevated or if leisure demand softens, which could keep profitability and cash generation under pressure.
Find out about the key risks to this Frontier Group Holdings narrative.
Next Steps
Sentiment on Frontier Group Holdings is clearly split, with concerns around risk sitting right alongside optimism about potential upside. Move quickly, test the numbers yourself and weigh the 2 key rewards and 2 important warning signs.
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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.
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