Airline category
US Ultra-Low-Cost Carriers
Frontier, Allegiant, and the budget US airlines compared on bag fees, seat pitch, and the real all-in price.
4 comparisons in this category.
Breeze Airways vs Spirit 2026: Upstart Outlasted the Incumbent
Spirit ceased all operations May 2, 2026 (Chapter 7) and is no longer bookable. Breeze flies A220s point-to-point on routes nobody else serves, fares compared.
Read the comparisonSpirit vs Allegiant 2026: Only One Is Still Flying
Spirit ceased operations May 2, 2026 (Chapter 7) and is no longer bookable. Allegiant is the ultra-low-cost option with the lowest US cancellation rate.
Read the comparisonFrontier vs Allegiant 2026
Frontier: lower base fares, major-metro routes. Allegiant: 0.47% cancel rate (lowest in the US), lower carry-on fees, and a 50 lb checked bag versus Frontier's 40. 2026 verdict.
Read the comparisonSpirit vs Frontier 2026
Spirit ceased operations May 2, 2026 (Chapter 7) and is no longer bookable. Frontier is the ultra-low-cost flyer left standing. Fees, seats, and what changed.
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