Users have found that leaving on a Sunday can be a cost-effective option. It’s possible to save up to 134% on your flight compared to booking on days when demand is much higher.
To save up to 15% on this flight, we recommend booking at least 59 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Helena to Dallas from $125 1-2 weeks out and tickets from $136 for flights departing within the next 72 hours.
A simple way to save on the total cost of your ticket is to fly from Helena to Dallas in the morning. If you’re flexible enough to do this you can expect to save up to 28% on your trip compared to booking a flight at noon.