How Performance Optimisation in SEA Airline Google Ads Unlocks Budget Efficiency

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How Performance Optimisation in SEA Airline Google Ads Unlocks Budget Efficiency
Photo by Ross Parmly / Unsplash

Working across 11 SEA markets for a major airline, the goal was clear: drive more bookings while maintaining strong ROAS efficiency.

The complexity was in how performance was being constrained by legacy budget allocation, particularly within brand search.

Challenge

Brand campaigns were heavily prioritised across markets.

High spend. High CPC expectations. And a strong focus on maintaining impression share at all costs.

The result was limited flexibility in reallocating budget toward incremental growth opportunities.

We needed to test a core assumption:
Does high brand visibility actually require high spend?

Approach

We re-architected how brand search was managed across markets, focusing on auction efficiency.

Key shifts included:

  • Tightening bid and query-level efficiency across branded traffic. Do not overbid.
  • Testing the relationship between impression share and conversion impact.
  • Testing the relationship between impression share and CPC bids.
  • Improving CPC efficiency by going down to basics. Looking at ad ranks.

The objective was not to reduce presence, but to decouple presence from inflated cost structures.

Results

We reduced brand CPC from dollars down to cents.

Despite this, we maintained ~70% impression share across branded terms.

This unlocked approximately ~50% of previously allocated brand budget. Previously, millions were spent on Brands a month across all markets.

Rather than removing investment, we reallocated it into higher-performing non-brand and incremental growth areas.

The outcome was a stronger overall ROAS profile driven by more efficient capital deployment across the funnel.

Takeaway

Brand search doesn’t need to be over-funded to be effective.

When managed properly, it becomes an efficiency lever.

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