Buildkite vs Fly.io
Compare Buildkite and Fly.io on features, pricing, and buyer fit using the same researched criteria.
Buildkite
CI/CD with self-hosted + hosted agents — not a git host. Free; Pro $30/active user/mo; Enterprise custom; 30-day all-access trial. Does not outrank GitHub 9.1.
Best for
- • Teams that want specialist CI/CD with self-hosted agents against an existing git remote
- • Buyers comparing Buildkite Pro $30 to CircleCI Performance $15 and GitHub Actions minutes
- • Orgs that will not move source control in order to buy CI
Starting from $30.00/user/mo
Free plan available
VS
Our verdict
No universal winner. Choose based on which criteria matter most for your team.
Buildkite is better for
- ✓ Free plan
- ✓ Security & admin
Fly.io is better for
- ✓ Starting pricing
Tie
- • Integrations
Choose Buildkite if: Teams that want specialist CI/CD with self-hosted agents against an existing git remote
Choose Fly.io if: Teams that want PAYG microVM/app hosting close to users
Fly.io
Cloud PaaS / microVM app platform — PAYG; shared-cpu-1x from ~$1.94/mo in lower-cost regions. Support Standard $29/mo is support, not hosting. Does not outrank Render 7.9.
Best for
- • Teams that want PAYG microVM/app hosting close to users
- • Buyers comparing Fly.io $1.94 shared-cpu-1x to Render Pro $25 + compute
- • Orgs that will not treat $29 Support as the hosting SKU
Starting from $1.94/user/mo
No free plan
Buildkite vs Fly.io pricing
Buildkite researched starting price from $30/mo; a free plan is researched. Fly.io researched starting price from $1.94/mo. Affiliate economics excluded.
Buildkite
From $30.00/user/mo
Fly.io
From $1.94/user/mo
Buildkite
Starting from $30.00/user/mo
Free trial available
- Free$0.00/user/mo
- Free CI/CD path — not a git hosting plan. Confirm live caps.
- ProPopular$30.00/user/mo
- $30/active user/mo Pro — published CI/CD floor. 30-day all-access trial. Not a git-host SKU.
- EnterpriseCustom
- Enterprise CI — custom security, scale, and support.
Fly.io
Starting from $1.94/user/mo
Free trial available
- shared-cpu-1x (cheapest regions)Popular$1.94/mo
- ~$1.94/mo shared-cpu-1x in cheapest listed regions ($1.94–$2.02 by region). Hosting floor, not Support.
- Support Standard$29.00/mo
- $29/mo Support Standard — support SKU, not hosting. Do not treat as the Fly.io floor.
- Pay-as-you-go computeCustom
- Machines, volumes, and bandwidth meter beyond the shared-cpu-1x floor. Confirm live fly.io pricing.
Estimate your team cost
Monthly estimate from verified per-seat list pricing. Confirm on the vendor site before purchasing.
Buildkite
$450.00/mo
Fly.io
$29.10/mo
+$420.90/mo — Buildkite costs more
Verified monthly unit prices · Aug 18, 2026
Prices in USD
Shown per user / month from verified list pricing.
Plans can change
Confirm live vendor rates before purchasing.
Add-ons may apply
Calling, SMS, or usage fees can add cost.
Independence
Affiliate status never changes pricing outcomes.
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