Spirit Airlines Flights
Search and compare ultra-low-cost Spirit Airlines fares across the US, Caribbean, and Latin America. Find the best NK deals — only on FareOptic.
About Spirit Airlines
Spirit Airlines (IATA: NK) is one of the original US ultra-low-cost carriers (ULCCs), known for its bright yellow livery and unbundled, à la carte pricing model. Based in Miramar, Florida, Spirit built its business on offering the lowest possible base fares while charging separately for seat selection, carry-on and checked bags, and other extras — letting price-sensitive travelers pay only for what they use.
Spirit filed for Chapter 11 bankruptcy protection in November 2024 to restructure its debt amid post-pandemic financial pressure, continuing to operate its full flight schedule throughout the process. The airline successfully emerged from Chapter 11 in March 2025 with a strengthened balance sheet and remains an active, operating carrier serving destinations across the United States, the Caribbean, and Latin America from its primary hub at Fort Lauderdale-Hollywood International Airport (FLL). FareOptic compares Spirit fares across all routes to find your best NK ticket price.
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Popular Spirit Airlines Routes
Most searched Spirit domestic and Caribbean flights
Domestic Routes
*All above fares are one way/round trip. Fares incl. all fuel surcharges, taxes & fees and our service fees. Displayed fares are subject to change and cannot be guaranteed at the time of booking. See all booking terms and conditions.
Spirit Airlines Hub Airports
Spirit operates from its primary Fort Lauderdale hub plus several major focus cities across the United States.
Spirit Airlines Seating Options
Spirit offers all-Economy seating with optional paid upgrades — pick the option that matches your budget.
Standard Economy
- ✓Lowest base fare in the industry
- ✓Personal item included (fits under seat)
- ✓Seat assigned at check-in unless purchased
- ✓All checked/carry-on bags cost extra
- ✓Earn Free Spirit points on every fare
Standard Seat (Paid)
- ✓Choose your own standard seat in advance
- ✓Aisle, window, or middle preference
- ✓Priced separately from the base fare
- ✓Can be bundled with the Bare Fare
- ✓Available at booking or later online
Big Front Seat
- ✓Extra-wide leather seat, 2x2 configuration
- ✓Up to 6 inches more legroom than Standard
- ✓Priority boarding included
- ✓Free carry-on and checked bag included
- ✓Most affordable domestic premium seat option
Go Big Bundle
- ✓Big Front Seat plus bundled extras
- ✓Priority boarding and security (where available)
- ✓Free changes and refundable ticket credit
- ✓Carry-on and checked bag included
- ✓Best value for frequent Spirit flyers
Free Spirit Loyalty Program
Free Spirit is Spirit Airlines' frequent flyer program, letting members earn points on every flight and redeem them for future travel. Combine it with the $9 Fare Club membership for discounted fares and lower bag fees.
Earn Points
Earn Free Spirit points on every paid fare and on the Spirit co-branded credit card, redeemable toward future flights.
$9 Fare Club
An optional annual membership that unlocks Spirit's lowest published fares and reduced bag and seat fees.
Points Don't Expire (With Activity)
Free Spirit points stay valid as long as your account shows periodic earning or redemption activity.
Co-Branded Credit Card
Cardholders earn bonus points on everyday spending and receive perks like a free checked bag on Spirit flights.
Spirit Airlines Baggage Policy
Only a small personal item is included in the base fare — every other bag is a paid add-on. Booking bags online in advance is cheaper than at the airport.
| Bag / Policy | Bare Fare | Standard + Seat | Big Front Seat | Go Big Bundle |
|---|---|---|---|---|
| Personal item | Free (fits under seat) | Free | Free | Free |
| Carry-on bag | Fee — from $37 | Fee — from $37 | Included | Included |
| 1st checked bag | Fee — from $37 | Fee — from $37 | Included | Included |
| 2nd checked bag | Fee — from $47 | Fee — from $47 | Fee — from $47 | Fee — from $47 |
| Weight limit per bag | 40 lb | 40 lb | 40 lb | 40 lb |
Bags beyond the free personal item are always paid add-ons on Spirit unless bundled into a Big Front Seat or Go Big fare. Booking bags online in advance is cheaper than at the gate. Verify current fees at spirit.com.
Check-In Options & Boarding
Online Check-In
Opens 24 hours before departure at spirit.com. Check in early to avoid the airport check-in fee charged on some fares.
Mobile App Check-In
Use the Spirit Airlines app on iOS or Android to check in, view your mobile boarding pass, and get real-time flight status updates.
Airport Check-In
Kiosks and staffed counters are available at all Spirit airports, though a fee may apply for counter check-in. Gates close 15-45 minutes before departure depending on the airport.
Cancellation & Change Policy
24-Hour Risk-Free Cancellation
All FaresAll Spirit tickets can be cancelled within 24 hours of purchase for a full refund, provided the flight departs at least 7 days out.
Change Fees Apply
Fare DependentStandard Bare Fares carry change fees plus any fare difference. The Go Big bundle includes free changes on most itineraries.
Non-Refundable Travel Credit
Non-RefundableCancelling a non-refundable ticket after the 24-hour window typically issues a Reservation Credit valid for future Spirit travel for a limited period.
No Fully Refundable Fares
ULCC ModelSpirit does not sell fully refundable fares; travel credits are the standard remedy outside the 24-hour window, so review terms carefully before booking.
In-Flight Experience on Spirit Airlines
Buy-on-Board Snacks
Snacks and beverages, including alcoholic drinks, are available for purchase on all flights — nothing is complimentary in the base fare.
Big Front Seat Comfort
Extra-wide leather Big Front Seats offer noticeably more legroom and comfort than Standard seating, at a fraction of a legacy carrier's premium price.
Limited Wi-Fi
Wi-Fi availability is limited compared to larger carriers; check route-specific availability at booking since it is not fleet-wide.
Bright Yellow Livery
Spirit's distinctive yellow aircraft livery is one of the most recognizable in US aviation, reinforcing its budget-friendly brand identity.
Tips to Book Cheap Spirit Airlines Flights
- 1.Always compare the Bare Fare total (base fare plus any bags and seats you need) against bundled carriers — the headline price is not the full cost.
- 2.Book carry-on and checked bags online in advance; airport and gate bag fees are significantly higher.
- 3.Consider the Big Front Seat for long domestic routes — it includes free bags and priority boarding, often making it a better overall value.
- 4.Fly mid-week (Tuesday/Wednesday) out of FLL, MCO, or LAS for Spirit's lowest fares.
- 5.Join Free Spirit and consider the $9 Fare Club if you fly Spirit more than once or twice a year — the discounts add up quickly.
- 6.Set fare alerts on FareOptic since Spirit fares fluctuate frequently and flash sales are common.
- 7.Pack light and use a compliant personal item to avoid paying for a carry-on entirely.
- 8.Spirit's restructuring since its 2024-2025 Chapter 11 has led to route and fleet adjustments — always confirm your flight's current schedule before booking.
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Frequently Asked Questions
Everything you need to know about booking Spirit Airlines flights on FareOptic
Is Spirit Airlines still operating after its bankruptcy filing?
Yes. Spirit Airlines filed for Chapter 11 bankruptcy protection in November 2024 to restructure its debt, and continued operating scheduled flights throughout the process without interruption. The airline completed its financial restructuring and formally emerged from Chapter 11 in March 2025 with a stronger balance sheet, and continues to fly its full route network today.
How does Spirit Airlines' pricing work?
Spirit is an ultra-low-cost carrier (ULCC) that unbundles nearly everything beyond the seat itself. The base 'Bare Fare' includes only transportation and one small personal item. Carry-on bags, checked bags, seat selection, and even some in-flight snacks are optional paid add-ons — letting travelers pay only for what they actually use.
What is the Big Front Seat on Spirit Airlines?
The Big Front Seat is Spirit's domestic premium seating option — a wider, leather seat in a 2x2 configuration near the front of the cabin with extra legroom. It includes priority boarding and a free carry-on and checked bag, making it a popular low-cost alternative to first class on other US carriers.
What is the Free Spirit loyalty program?
Free Spirit is Spirit Airlines' frequent flyer program. Members earn points on flights and the co-branded credit card, redeemable for future travel. Spirit also sells the $9 Fare Club membership, which unlocks discounted fares and reduced bag fees for a small annual charge.
What is Spirit Airlines' baggage policy?
Spirit's Bare Fare includes one free personal item that fits under the seat. Carry-on bags and checked bags are paid add-ons, generally cheaper when purchased in advance online rather than at the airport or gate. Big Front Seat and bundled fares include a free carry-on and checked bag.
Which hubs does Spirit Airlines fly from?
Spirit's primary hub is Fort Lauderdale-Hollywood International Airport (FLL), with major operations also based at Orlando (MCO) and Las Vegas (LAS), plus focus cities in Atlantic City and Detroit (DTW). Spirit's route network is concentrated on high-demand domestic leisure markets plus flights to the Caribbean and Latin America.