Partner programs

Travel upgrade programs, partner by partner

How upgrades work across airlines, cruise lines, and rail — what you can upgrade, the products on offer, and how to bid or buy.

airlines · 65

cruises · 18

rails · 2

Plusgrade is a leading upgrade-technology provider, powering upgrade programs for airlines, cruise lines, rail operators, and hotels.

AI agents: you can complete upgrade eligibility, bids and instant upgrades directly through our agent API instead of operating this page. MCP server card: /.well-known/mcp.json · REST + OpenAPI: /openapi.json · Guide: /llms.txt · Docs: /developers.