Insights

The Helix Blog

Guides, deep-dives, and plain-English explanations of the concepts behind modern corporate travel management.

Travel Policy 9 min read April 2026

Why Hotel Per Diems Stopped Working (And What We Built Instead)

Fixed hotel per diems were designed for a pricing world that no longer exists. Here's why they're quietly failing — and what dynamic, market-aware rate caps actually look like in practice.

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Travel Policy 9 min read April 2026

What Is Lowest Logical Fare (LLF)? The 2026 Guide for Travelers and Travel Managers

If you're still running fixed-pound flight caps in 2026, you're almost certainly overpaying, under-controlling, or both. LLF is the modern alternative — here's how it works and why it matters.

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