Updated on 2025-11-06
Spirit Airlines built its reputation on ultra-low base fares and a pay-only-for-what-you-use approach. Here’s how that model works today, what costs you’ll still face, and the trade-offs in comfort and service to expect.
Spirit is cheap because it’s an ultra-low-cost carrier. It offers bare-bones fares and charges separately for extras like bags, seat selection, and snacks. Dense seating, high aircraft use, and point-to-point routes cut costs further. You’ll likely pay add-on fees and get fewer amenities than on full-service airlines.
Key takeaways
- Ultra-low base fares with à-la-carte fees keep the headline price down.
- Ancillary revenue is a major share of Spirit’s income; dense seating and quick turns boost efficiency.
- Expect trade-offs: tighter legroom, fewer freebies, and leaner customer support.
Spirit at a glance
Founded in 1980 as a charter carrier and pivoting to scheduled service in the 1990s, Spirit focuses on affordable, point-to-point flying across the U.S., Latin America, and the Caribbean. Its single-family fleet (Airbus A320 series) simplifies training and maintenance.
As of November 2025: Spirit is undergoing a court-supervised financial restructuring under Chapter 11 while continuing operations. The airline has communicated plans to streamline costs and optimize its fleet during the process.
The business model behind low fares
Maximizing aircraft time
Keeping planes flying more hours per day spreads fixed costs over more seats. Quick turnarounds and point-to-point routes help Spirit operate more flights with the same fleet.
Eliminating bundled extras
Standard “freebies” on legacy airlines—like a carry-on bag, seat selection, or snacks—are unbundled. You pick (and pay for) only what you use, which keeps base fares low but can raise your final price if you add options.
A shift in market share
The à-la-carte approach resonates with price-sensitive travelers and has helped low-cost and ultra-low-cost carriers win share where passengers prioritize price over amenities.
Minimal frills, maximum savings
Spirit popularized the “Bare Fare” concept, marketing no-frills tickets and transparent add-ons. The idea is simple: advertise a rock-bottom fare, then let travelers build up only the extras they consider worth paying for.
The importance of ancillary revenue
As of 2023, industry research places Spirit among the top airlines worldwide for ancillary revenue share, with more than half of total revenue coming from items like bags, advanced seat assignments, and priority boarding.
| Metric | Figure |
|---|---|
| Ancillary revenue share of total (2023) | ~56.4% |
| Common sources | Baggage fees, seat selection, priority boarding, onboard sales |
| Implication | Allows very low base fares while monetizing optional services |
Airports and routing
Spirit primarily flies a point-to-point network aimed at leisure demand. It serves a mix of large primary airports (e.g., LAS, FLL, MCO) and select secondary airports where costs and congestion can be lower. This mix helps reduce fees and speed turns without relying on a traditional hub-and-spoke system.
High-density seating and fuel efficiency
Dense seating increases seats per flight so costs can be spread across more passengers. Typical Spirit layouts are high-density compared with legacy peers, and the airline’s standardized Airbus A320-family fleet supports efficiency in fuel burn, maintenance, and crew training.
Seat counts (typical): A319 ≈ 145 seats; A320 ≈ 176 seats; A321 ≈ 222–229 seats. Exact layouts can vary by aircraft and interior refresh.
Lean customer service, lower costs
ULCCs, including Spirit, run lean staffing models. That lowers overhead but can mean fewer service touchpoints and longer waits during irregular operations. Most changes, add-ons, and check-in steps are designed for self-service online or in-app.
Competition and pricing
When rivals match or beat prices, fares can fall quickly. Spirit typically responds with promotions while relying on ancillary revenue to support margins. In high-demand periods—or on routes with less competition—total trip cost may resemble that of legacy carriers once add-ons are included.
Pros and cons at a glance
- Pros: very low base fares; pay only for what you need; broad leisure network.
- Cons: tight legroom; fees for most extras; fewer service channels; potential for higher “all-in” price if you add options.
Note on 2025 restructuring
As of November 2025, Spirit is restructuring under Chapter 11 while operating flights. Plans include optimizing fleet and costs. If you’re booking soon, check current schedules and policies before you buy.
Glossary
- ULCC
- Ultra-low-cost carrier: an airline with very low base fares and extensive à-la-carte fees.
- Ancillary revenue
- Money from non-fare items such as bags, seats, and onboard sales.
- Point-to-point
- Flights run directly between city pairs without routing via hubs.
FAQs
What makes Spirit Airlines so cheap?
It unbundles extras from the base fare. You pay separately for bags, seats, food, and other add-ons. Dense seating, high aircraft utilization, and a point-to-point network also reduce costs.
Are there drawbacks to flying Spirit?
Yes. Expect tighter legroom, limited free amenities, and fees for most extras. Service channels are leaner than full-service airlines, which can be frustrating during delays or cancellations.
Does Spirit use secondary airports?
It flies a mix. Many routes use large primary airports, while some markets use secondary airports that can have lower fees and faster turnarounds.
How dense are Spirit’s cabins?
Typical layouts are high-density: about 145 seats on A319s, 176 on A320s, and 222–229 on A321s. Exact seating can vary by aircraft.
Is Spirit safe to fly with?
Yes. Spirit operates under FAA regulations like all U.S. airlines. Safety oversight and maintenance standards are federally mandated across the industry.
Related articles
References