Airline guide
Spirit AirlinesIATA code NK
Baggage allowances, fare rules, check-in cut-offs and contact details for Spirit Airlines. Policy figures are read from Spirit Airlines’s own published pages and each one shows where it came from and when we checked it.
- Home country
- United States
- Destinations
- 48 in 18 countries
- Route data Jul 2026
Spirit Airlines at a glance
Cabin bag size
- Cabin bag size
- 56 x 46 x 25 cm
Verified 6 Oct 2026spirit.com (opens in a new tab)Full rules: Cabin bag sizeCabin bag weight
- Economy
- Personal item included free (45 x 35 x 20 cm); cabin bag available for purchase (up to 18 kg / 40 lbs)
- Business & First
- 1 cabin bag + 1 personal item included (Big Front Seat / Go Big)
Verified 6 Oct 2026spirit.com (opens in a new tab)Full rules: Cabin bag weightChecked bag
- Economy
- Checked baggage available for purchase (up to 18 kg / 40 lbs per bag)
Verified 6 Oct 2026spirit.com (opens in a new tab)Full rules: Checked bagOnline check-in
- Online check-in opens
- 24 hours before departure via Spirit app or web
Verified 6 Oct 2026spirit.com (opens in a new tab)Full rules: Online check-inAirport check-in closes
- Domestic
- 45 minutes before departure
- International
- 60 minutes before departure
Verified 6 Oct 2026spirit.com (opens in a new tab)Full rules: Airport check-in closesCustomer service
- Customer service phone
- +1 800 555 0199
Verified 5 Oct 2026spirit.com (opens in a new tab)Full rules: Customer service
Spirit Airlines carry-on baggage allowance
| Cabin | Carry-on weight |
|---|---|
| Economy | Personal item included free (45 x 35 x 20 cm); cabin bag available for purchase (up to 18 kg / 40 lbs) |
| Business & First | 1 cabin bag + 1 personal item included (Big Front Seat / Go Big) |
- Cabin bag size
- 56 x 46 x 25 cm
Spirit Airlines checked baggage allowance
| Cabin | Checked allowance |
|---|---|
| Economy | Checked baggage available for purchase (up to 18 kg / 40 lbs per bag) |
| Business | 1 checked bag up to 18 kg (40 lbs) included (Go Big fare) |
| First | 1 checked bag up to 18 kg (40 lbs) included (Go Big fare) |
What Spirit Airlines’s cheapest fare includes
Fare-tier inclusions have not been verified against the airline’s published fare conditions.
Still to check: Lowest fare, Seat selection, Changes and cancellations.
Check directly:Spirit Airlines website (opens in a new tab)Conditions of carriage (opens in a new tab) (link from Duffel reference data, 24 Aug 2026)
Spirit Airlines cabins and aircraft
Choose a seat by location and legroom, or accept a free seat assignment at check-in. Use your flight seat map because options vary with the aircraft.
- Seat options
- Standard Economy, Big Front Seat (wide leather recliners with no middle seat).
- Verified 6 Oct 2026spirit.com (opens in a new tab)
- Reserved or random
- Fee-based advance seat selection on Go/Go Savvy; included on Go Comfy/Go Big; assigned free at check-in.
- Verified 6 Oct 2026spirit.com (opens in a new tab)
- Family seating
- Spirit Airlines automatically seats children under 13 with an accompanying adult free of charge.
- Verified 6 Oct 2026spirit.com (opens in a new tab)
If your Spirit Airlines flight is delayed or cancelled
These are standards published by the carrier for delays and cancellations. On codeshares or interline itineraries, the operating carrier is responsible.
- Care
- Food vouchers, drinks, and hotel accommodation for overnight delays caused by airline control under US DOT rules.
- Rebooking and refunds
- Full refund to original payment method or Spirit reservation credit for cancellations or delays >3 hours.
- Compensation
- US DOT involuntary denied boarding compensation rules apply.
Spirit Airlines check-in times and airport cut-offs
- Online check-in opens
- 24 hours before departure via Spirit app or web
- Domestic check-in closes
- 45 minutes before departure
- International check-in closes
- 60 minutes before departure
- Boarding closes
- 15 minutes before departure
How to contact Spirit Airlines
- Customer service phone
- +1 800 555 0199
Where Spirit Airlines flies
Source: Originfacts route-network dataset, built from TravelPayouts route data (updated 2026-07). Not verified by hand.
We track 180 Spirit Airlines routes serving 48 destinations across 18 countries.
- Destinations
- 48
- Countries
- 18
- Routes tracked
- 180
- Longest route
- 4,248 km
Busiest markets by route count
A market may include more than one airport.
Longest route in the dataset
4,248 km great-circle distance between the two airports.
Destinations in the route data
- Fort Lauderdale
- Dallas
- Las Vegas
- Chicago
- Myrtle Beach
- Detroit
- Atlantic City
- Orlando
- Boston
- Denver
- New York
- Tampa
- Atlanta
- Houston
- Latrobe
- Baltimore
- Fort Myers
- Los Angeles
- Mexico City
- Minneapolis
- Niagara Falls
- Phoenix
- Portland
- San Diego
- and 24 more
Common questions about flying Spirit Airlines
What size cabin bag can I take on Spirit Airlines?
According to Spirit Airlines’s own website (spirit.com, checked 6 Oct 2026): 56 x 46 x 25 cm.
How heavy can my Spirit Airlines carry-on bag be?
According to Spirit Airlines’s own website (spirit.com, checked 6 Oct 2026): Personal item included free (45 x 35 x 20 cm); cabin bag available for purchase (up to 18 kg / 40 lbs).
What is the Spirit Airlines Economy checked baggage allowance?
According to Spirit Airlines’s own website (spirit.com, checked 6 Oct 2026): Checked baggage available for purchase (up to 18 kg / 40 lbs per bag).
When can I check in online with Spirit Airlines?
According to Spirit Airlines’s own website (spirit.com, checked 6 Oct 2026): 24 hours before departure via Spirit app or web.
When does Spirit Airlines check-in close for domestic flights?
According to Spirit Airlines’s own website (spirit.com, checked 6 Oct 2026): 45 minutes before departure.
When does Spirit Airlines check-in close for international flights?
According to Spirit Airlines’s own website (spirit.com, checked 6 Oct 2026): 60 minutes before departure.
What is the Spirit Airlines customer service phone number?
According to Spirit Airlines’s own website (spirit.com, checked 5 Oct 2026): +1 800 555 0199.
How many destinations does Spirit Airlines fly to?
Originfacts tracks 48 Spirit Airlines destinations across 18 countries, on 180 routes.
Where is Spirit Airlines based?
Spirit Airlines is based in United States. In the Originfacts route dataset, its busiest market is Fort Lauderdale, followed by Dallas, Las Vegas and Myrtle Beach.
What aircraft appear on Spirit Airlines routes?
The routes we hold name Airbus A319, Airbus A320 and Airbus A321. That dataset accumulates over time, so treat it as a record of what has flown rather than a current fleet list.
What is the longest Spirit Airlines route?
Fort Lauderdale to Lima, at 4,248 km.
Sources and verification
Baggage, fare, check-in, disruption and contact figures are published only when they are read from Spirit Airlines’s own pages or a named regulator, and each one shows the page and the date it was checked. Where sources disagree we show both and publish neither. Route and destination figures come from the Originfacts route dataset and show its date instead; they are not verified by hand.
- Carry-onVerified 6 Oct 2026
- Checked bagsVerified 6 Oct 2026
- Cheapest fareNot yet verified—
- Cabins & aircraftVerified 6 Oct 2026
- Delays & cancellationsVerified 6 Oct 2026
- Check-inVerified 6 Oct 2026
- ContactVerified 5 Oct 2026
- Where they flyRoute data, Jul 2026Originfacts route-network dataset, built from TravelPayouts route data