Frontier’s discount is good on domestic flights, for travel into early March.
What you need to know:
- Good for travel now through March 12
- Blackout dates: Feb. 13-15 and Feb. 17
- Discount may not be available on other (unspecified) dates
- Book by Jan. 16
- Use promo code HURRYHURRY for 18% discount
Listen: Rick Seaney on the very cheapest time of year to fly.