Spirit Airlines baggage fees and fare rules

IATA: NK

Updated: 2025-12-24

Answer-first summary

Carry-on allowance

The published cabin baseline is one personal item included at USD 0, while a full-size carry-on is chargeable and varies by route and purchase timing.

Personal item rules

The personal item must fit completely under the seat in front of the passenger under the published row.

Checked bag baseline

Published checked-bag pricing varies by route and purchase timing and is not included by default.

Notable restrictions

The current published fee rows on this page do not break baggage or cancellation pricing out by separate fare family; the main differences shown here are bag type and purchase timing.

Core fee breakdown

Published rows below are grouped by fee type and retain the route, fare, and timing limits shown in this dataset.

Carry-on rules

See also the broader carry-on fee reference.

Applies to	Region / route	Amount	Timing	Conditions	Source
All fares	All routes	0.00 USD	per flight	One personal item included; must fit completely under the seat in front of you	Source
All fares	All routes	Varies USD	per flight	Carry-on bag fee varies based on purchase timing (online booking, online check-in, airport counter, or gate)	Source

Personal item rules

The personal item must fit completely under the seat in front of the passenger under the published row.

Checked baggage fees

See also the checked baggage fee reference. For a side-by-side baseline comparison, review Frontier Airlines, Southwest Airlines.

Applies to	Region / route	Amount	Timing	Conditions	Source
All fares	All routes	Varies USD	each way	Checked bag fee varies based on purchase timing and route	Source

Overweight baggage

Applies to	Region / route	Amount	Timing	Conditions	Source
All fares	All routes	Varies USD	each way	Overweight bag fees apply for bags exceeding standard weight limits; maximum accepted weight is 100 lbs	Source

Oversized baggage

Applies to	Region / route	Amount	Timing	Conditions	Source
All fares	All routes	Varies USD	each way	Oversize bag fees apply for bags exceeding standard size limits; maximum accepted size is 80 linear inches	Source

Seat and fare-related fees

See also the seat selection fee reference.

No dedicated seat-selection row is published in the current dataset for this airline page.

Change and cancellation references

For cancellation, significant schedule change, and refund timing rules in U.S. markets, see the U.S. DOT refund rules reference.

Applies to	Region / route	Amount	Timing	Conditions	Source
All fares	All routes	0.00 USD	before departure	No change or cancellation fees; fare difference may apply	Source

Fare-class behavior

All fares

The current published rows treat the base product uniformly for baggage and change references. The main distinction is whether the passenger stays within the included personal-item allowance or adds paid bag products.

Personal-item-only travel

The published carry-on row lists one personal item at USD 0.

Paid carry-on and checked-bag products

The published carry-on and checked-bag rows both state that pricing varies by route and purchase timing.

Change and cancellation policy

The published row lists no change or cancellation fee on all fares, with fare difference possibly applying.

Real-world scenarios

Traveling with only a personal item

The published amount is USD 0 for one personal item carried under the seat.

Adding a full-size carry-on

The published row states that carry-on pricing varies by route and purchase timing.

Checking one standard bag

The published checked-bag row states that pricing varies by route and purchase timing.

Checking an overweight bag

The published overweight row states that overweight pricing varies and that the maximum accepted weight is 100 lbs.

When fees may not apply

The published change and cancellation row lists no fee on all fares, with fare difference possibly applying.
No explicit fare-bundle, elite-status, or co-branded card fee waiver is included in the published rows shown on this page.

Compare with other airlines

Comparison links below are limited to airlines with closely related fee structures or booking models.

Frontier Airlines Southwest Airlines

Legal Disclaimer

• Information subject to change without notice.

• This site is an independent reference and is not affiliated with any airline.

• Fees are documented only from verifiable, airline-published sources.

Database ID: spirit

This reference page reflects only the published rows included in the current dataset and their linked source documents.