Frontier Spring Sale from $39 One-Way – Book by March 11
Fly Tues/Wed/Sat only through June 8. Note that many of the best deals are to/from Denver.
- Atlanta – Denver, from $99 one-way
- Chicago – Princeton/Denver, from $49/$84 one-way
- Dallas – Albuquerque or Durango, from $93 one-way
- Denver – Albuquerque or Durango, from $39 one-way
- Ft. Lauderdale – Princeton/Trenton, from $49 one-way
- Houston – Denver, from $97 one-way
- Los Angeles – Denver, from $99 one-way
- New York – Denver, from $110 one-way
- Orlando – Greensboro or Shenandoah Valley, from $39 one-way
- San Francisco – Denver, from $105 one-way
- Seattle – Denver/Milwaukee, from $89/$94 one-way
- Washington DC – Orange Co/Denver, from $140/$149 one-way
Book by March 11. Fly through June 8 on a Tues/Wed/Sat with 21-day advance purchase and there are numerous blackout dates. See Frontier for more info – See FareCompare for more cheap flights.
