On-demand instances are a great default choice as they provide significant savings over GitHub-hosted runners without any risk of interruption.
AWS charges vastly different amounts for EC2 on-demand instances in each region.
If your jobs can tolerate it, consider switching to a more cost-effective region as other regions can be over to 2X cheaper for the same instance type:
| ap-northeast-1 | +26% | |
| ap-south-1 | best | |
| eu-central-1 | +14% | |
| eu-west-1 | +13% | |
| eu-west-2 | +19% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +26% | |
| ap-south-1 | best | |
| eu-central-1 | +14% | |
| eu-west-1 | +7% | |
| eu-west-2 | +19% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +26% | |
| ap-south-1 | best | |
| eu-central-1 | +14% | |
| eu-west-1 | +7% | |
| eu-west-2 | +19% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +26% | |
| ap-south-1 | best | |
| eu-central-1 | +14% | |
| eu-west-1 | +7% | |
| eu-west-2 | +19% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +29% | |
| ap-south-1 | +5% | |
| eu-central-1 | +20% | |
| eu-west-1 | +11% | |
| eu-west-2 | +16% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +29% | |
| ap-south-1 | +5% | |
| eu-central-1 | +20% | |
| eu-west-1 | +11% | |
| eu-west-2 | +16% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +29% | |
| ap-south-1 | +5% | |
| eu-central-1 | +20% | |
| eu-west-1 | +11% | |
| eu-west-2 | +16% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +29% | |
| ap-south-1 | +5% | |
| eu-central-1 | +20% | |
| eu-west-1 | +11% | |
| eu-west-2 | +16% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +21% | |
| ap-south-1 | +3% | |
| eu-central-1 | +21% | |
| eu-west-1 | +12% | |
| eu-west-2 | +17% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +21% | |
| ap-south-1 | +3% | |
| eu-central-1 | +21% | |
| eu-west-1 | +12% | |
| eu-west-2 | +17% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +21% | |
| ap-south-1 | +3% | |
| eu-central-1 | +21% | |
| eu-west-1 | +12% | |
| eu-west-2 | +17% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +31% | |
| ap-south-1 | +8% | |
| eu-central-1 | +15% | |
| eu-west-1 | +10% | |
| eu-west-2 | +13% | |
| us-east-1 | best | |
| us-west-2 | best |
| ap-northeast-1 | +104% | |
| ap-south-1 | best | |
| eu-central-1 | +85% | |
| eu-west-1 | +83% | |
| eu-west-2 | +94% | |
| us-east-1 | +64% | |
| us-west-2 | +64% |
| ap-northeast-1 | +106% | |
| ap-south-1 | best | |
| eu-central-1 | +87% | |
| eu-west-1 | +76% | |
| eu-west-2 | +94% | |
| us-east-1 | +64% | |
| us-west-2 | +64% |
| ap-northeast-1 | +26% | |
| ap-south-1 | not available in region | |
| eu-central-1 | +14% | |
| eu-west-1 | +7% | |
| eu-west-2 | +19% | |
| us-east-1 | best | |
| us-west-2 | best | |
| ap-northeast-1 | +100% | |
| ap-south-1 | best | |
| eu-central-1 | +86% | |
| eu-west-1 | +71% | |
| eu-west-2 | +79% | |
| us-east-1 | +54% | |
| us-west-2 | +54% |
| ap-northeast-1 | +101% | |
| ap-south-1 | best | |
| eu-central-1 | +86% | |
| eu-west-1 | +73% | |
| eu-west-2 | +80% | |
| us-east-1 | +56% | |
| us-west-2 | +56% |
| ap-northeast-1 | +29% | |
| ap-south-1 | not available in region | |
| eu-central-1 | +20% | |
| eu-west-1 | +11% | |
| eu-west-2 | not available in region | |
| us-east-1 | best | |
| us-west-2 | best | |
| ap-northeast-1 | +90% | |
| ap-south-1 | best | |
| eu-central-1 | +90% | |
| eu-west-1 | +76% | |
| eu-west-2 | +85% | |
| us-east-1 | +57% | |
| us-west-2 | +57% |
| ap-northeast-1 | +91% | |
| ap-south-1 | best | |
| eu-central-1 | +91% | |
| eu-west-1 | +77% | |
| eu-west-2 | not available in region | |
| us-east-1 | +59% | |
| us-west-2 | +59% | |
| ap-northeast-1 | +21% | |
| ap-south-1 | not available in region | |
| eu-central-1 | +21% | |
| eu-west-1 | +12% | |
| eu-west-2 | not available in region | |
| us-east-1 | best | |
| us-west-2 | best | |
| ap-northeast-1 | +99% | |
| ap-south-1 | best | |
| eu-central-1 | +75% | |
| eu-west-1 | +66% | |
| eu-west-2 | +72% | |
| us-east-1 | +53% | |
| us-west-2 | +53% |
| ap-northeast-1 | +101% | |
| ap-south-1 | best | |
| eu-central-1 | +82% | |
| eu-west-1 | +71% | |
| eu-west-2 | +90% | |
| us-east-1 | +60% | |
| us-west-2 | +60% |
| ap-northeast-1 | +85% | |
| ap-south-1 | best | |
| eu-central-1 | +68% | |
| eu-west-1 | +58% | |
| eu-west-2 | +75% | |
| us-east-1 | +48% | |
| us-west-2 | +48% |
| ap-northeast-1 | +85% | |
| ap-south-1 | best | |
| eu-central-1 | +68% | |
| eu-west-1 | +58% | |
| eu-west-2 | +75% | |
| us-east-1 | +48% | |
| us-west-2 | +48% |
| ap-northeast-1 | +96% | |
| ap-south-1 | best | |
| eu-central-1 | +82% | |
| eu-west-1 | +70% | |
| eu-west-2 | +75% | |
| us-east-1 | +52% | |
| us-west-2 | +52% |
| ap-northeast-1 | +81% | |
| ap-south-1 | best | |
| eu-central-1 | +68% | |
| eu-west-1 | +56% | |
| eu-west-2 | +62% | |
| us-east-1 | +40% | |
| us-west-2 | +40% |
| ap-northeast-1 | +81% | |
| ap-south-1 | best | |
| eu-central-1 | +68% | |
| eu-west-1 | +56% | |
| eu-west-2 | +62% | |
| us-east-1 | +40% | |
| us-west-2 | +40% |
| ap-northeast-1 | +87% | |
| ap-south-1 | best | |
| eu-central-1 | +87% | |
| eu-west-1 | +74% | |
| eu-west-2 | +82% | |
| us-east-1 | +55% | |
| us-west-2 | +55% |
| ap-northeast-1 | +72% | |
| ap-south-1 | best | |
| eu-central-1 | +72% | |
| eu-west-1 | +60% | |
| eu-west-2 | +68% | |
| us-east-1 | +43% | |
| us-west-2 | +43% |
| ap-northeast-1 | +72% | |
| ap-south-1 | best | |
| eu-central-1 | +72% | |
| eu-west-1 | +60% | |
| eu-west-2 | not available in region | |
| us-east-1 | +43% | |
| us-west-2 | +43% | |
| ap-northeast-1 | +93% | |
| ap-south-1 | best | |
| eu-central-1 | +71% | |
| eu-west-1 | +64% | |
| eu-west-2 | +68% | |
| us-east-1 | +50% | |
| us-west-2 | +50% |