United States · NK / NKS
Spirit Airlines Online Check-in Guide
America's largest ultra-low-cost airline, base in Florida. Heavily unbundled fares. Online check-in opens 24 hours before on spirit.com or in the Spirit app.
Opens on spirit.com in a new tab.
Is Spirit Airlines check-in open right now?
Pick your departure time — we'll show you whether the check-in window is open, when it opens, or whether it's already closed. Your input never leaves the page.
When does Spirit Airlines check-in open and close?
How to check in online with Spirit Airlines
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Have your booking reference and ID ready
You'll need a 6-character booking reference (PNR) and a valid travel document (passport or EU/EEA national ID).
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Open the official check-in page
Use the button at the top of this page or visit spirit.com directly. Avoid third-party "check-in" sites.
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Enter passenger details
Add passport / ID number, expiry date, and country of issue if travelling internationally. This step is mandatory and blocks check-in if skipped.
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Choose seats and add extras
Random seats are free in the 24-hour window; named seats and priority boarding cost extra. Skip if you don't need them.
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Save the boarding pass
Add to Apple Wallet or Google Wallet. The Spirit Airlines app stores it offline once downloaded.
Mobile vs desktop check-in
| Feature | Mobile (app) | Desktop (web) |
|---|---|---|
| Boarding pass in Wallet | Yes (recommended) | Email link only |
| Passport scan | Yes (camera) | Manual entry |
| Push gate updates | Yes | No |
| Print boarding pass | Via email link | Yes |
| Best for | Day-of-travel use | Troubleshooting, family bookings |
Spirit Airlines baggage at a glance
| Type | Dimensions | Weight | Included? |
|---|---|---|---|
| Personal item | 45×35×20 cm | 18 kg | Yes |
| Carry-on | 56×46×25 cm | 18 kg | No |
| Checked | — | 18 kg | From €35 |
Common Spirit Airlines check-in problems
Carry-on bag costs more than checked at airport
Problem: Spirit charges $79+ for carry-on at gate, $99 if forced check at gate. Online: $40–60.
Solution: ALWAYS pre-pay carry-on online during booking. Personal item under seat (45×35×20 cm) is free.
Boarding pass print fee at airport
Problem: Spirit charges $25 to print boarding pass at airport. Online check-in must be done 24h before flight.
Solution: Check in online via Spirit app or spirit.com. Save mobile boarding pass to phone.
Spirit Airlines check-in FAQ
When does Spirit Airlines check-in open?
24 hours before scheduled departure. Closes 60 minutes before for domestic, 75 minutes for international.
Why is Spirit so cheap?
Spirit's ULCC model unbundles every service: seat selection, carry-on, snacks, even printing boarding passes are extra. Base fare is just transport — pay only for what you need.
Did Spirit merge with JetBlue?
No — JetBlue's proposed acquisition was blocked by US courts in 2024. Spirit operates independently. Spirit filed Chapter 11 in late 2024 but continued operations.
