Sometimes. It depends on where you fly.
On the 936 days we compared, Discount Den was cheaper on 923 of them (99%), by $10 on average. Count the days it saved nothing and that's about $10 per one-way trip.
A quick test: divide Frontier's current yearly fee by $10. That's roughly how many one-way trips from Houston Bush Intercontinental a year, booked close to departure like these, before the membership pays for itself.
Paid off most often
- Cancun: 100% of days, $1 when cheaper
- Chicago: 100% of days, $1 when cheaper
- Denver: 100% of days, $1 when cheaper
Barely helped
- Atlanta: 82% of days, $1 when cheaper
- Fort Lauderdale: 82% of days, $5 when cheaper
- Charlotte: 88% of days, $2 when cheaper
Since oct 26. Fares we saw on checks made 0 to 2 days before departure (0 to 10 for Cancun). Fares booked further ahead can be different.