Pricing. What does Fly.io cost ?
Free
$0
Permanent free plan
- No base subscription fee; per-organization usage billing, pro-rated by provisioning time. Shared-CPU Machines from about $0.00000078 to $0.00003429 per second depending on cores/RAM; Performance-CPU Machines from about $0.00001242 to $0.00019556 per second; stopped Machines billed at $0.15/GB rootfs per month. Volumes $0.15/GB per month; volume snapshots $0.08/GB per month (first 10GB free); dedicated IPv4 $2/month; data egress $0.02-$0.12/GB depending on region.
Official pricingChecked on September 25, 2026
Fly.io's billing traps
Before you pay
Costs are billed per second of Machine runtime plus storage and egress; stopped Machines still incur rootfs storage charges, and deleting an app doesn't delete its linked Managed Postgres database, so orphaned resources keep billing.