Fly through March on these deals from Frontier, good on Tuesdays and Wednesdays only.
The Deals: A sampling of the best sale prices.
- Atlanta – Denver, from $99 one-way
- Dallas – Denver, from $54 one-way
- Denver – Dallas or Phoenix/Mesa, from $54 one-way
- Ft. Lauderdale – Denver, from $94 one-way
- Houston – Denver, from $113 one-way
- Indianapolis – Denver, from $110 one-way
- Los Angeles – Colorado Springs, from $60 one-way
- New York – Denver, from $107 one-way
- Philadelphia – Denver, from $114 one-way
- Phoenix/Mesa – Denver, from $54 one-way
- San Francisco – Denver, from $100 one-way
- Washington DC – Kansas City or Omaha, from $114 one-way
The Rules: Book by Oct. 12. Travel through Mar. 17 on Tues/Wed only, and watch for numerous blackout dates around the holiday plus Feb. 14, 15, 18. See Frontier for more details and see FareCompare for more cheap flights.