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Spirit Airlines (NK): routes from Mexico, baggage, loyalty program | May 2026

Airline info for Spirit Airlines (IATA: NK): routes from Mexico, baggage policy (0kg), frequent flyer program, alliance none. Verified May 2026.

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FE By FlightsMX Editorial Team · Updated May 2026 · 5 min read

Spirit Airlines (NK)

Spirit Airlines (IATA: NK) is a USA airline, member of none alliance. Economy baggage policy: 0 kg checked free.

Baggage policy

  • Free checked bag (international economy): 0 kg
  • Carry-on: ~10 kg + personal item
  • Migrant program: Ultra-LCC pay-per-bag
  • Additional paisano baggage: n/a

Loyalty program

Frequent flyer program — see official site for details.

Routes operated

Spirit Airlines operates routes from/to Mexico:

Published by FlightsMX Editorial Team. Verify baggage policies with the airline before traveling — these change frequently.

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About FlightsMX Editorial Team

FlightsMX is a Mexican editorial team covering paisano-VFR logistics, Camino de Santiago planning, European diaspora corridors, and LATAM Pacific Alliance routes. Each article is written by one desk and fact-checked by another, published under a single team byline. See the full masthead and editorial standards.

Updated May 2026

Disclaimer: Fares, visa rules, and customs allowances change frequently. Verify everything with the airline, AFAC, INM, or SECTUR before booking.