If you read recent headlines about sustainable aviation fuel (SAF), one message seems impossible to escape: SAF is simply too expensive.
Reports from industry stakeholders reveal that costs come down to a several factors:
Billion-dollar compliance costs
Concerns over airline profitability
Warnings that decarbonization could make flying unaffordable
Across the board, the conversation typically paints SAF as an economic burden rather than an opportunity.
But is that really the whole story?
Like many commodity markets, the answer depends on which prices you're looking at and over what timeframe. Temporary supply shortages, policy changes, and market volatility can all distort the perception of what a market truly costs.
For aviation leaders, investors, and fuel suppliers, separating short-term market noise from long-term economics has never been more important. And the difference may paint an altogether different picture of what SAF costs really look like.
One of the largest challenges in SAF economics comes down to timing. Many cost estimates are based on today's market conditions rather than tomorrow's.
Commentary from ResourceWise's latest SAF Snapshot highlights several concerns ranging from military fuel budgets to airline operating costs as governments implement SAF mandates and expand carbon pricing. Those concerns are understandable, and new regulations inevitably introduce additional costs into the system.
However, market conditions during the initial rollout of SAF mandates have also been highly unusual.
As the United Kingdom and European Union launched their mandates, buyers entered the market at the same time while available supplies remained relatively limited. The result was a sharp increase in spot pricing as demand temporarily outpaced supply.
This dynamic yields an important set of questions:
Are today's prices representative of the long-term cost of producing SAF?
Or are they simply a reflection of a market adjusting to new demand?
Many commodity markets experience periods of imbalance regularly:
Oil
Natural gas
Electricity
Renewable diesel
Feedstocks
Sustainable aviation fuel is no different.
During periods of constrained supply, buyers compete aggressively for available product. This pushes prices above long-term production economics.
Those elevated prices may accurately reflect the market today. But they don't necessarily represent where prices will settle as production capacity expands.
This distinction matters because long-term investment decisions are typically based on expected structural production costs and not temporary supply squeezes. Using unusually high spot prices to estimate what SAF will cost in 2035 or 2040 risks overstating the long-term economic challenge.
Pricing normalization is expected in the market as higher prices create incentives for additional investment. Around the world, producers are expanding capacity through a growing number of technologies and feedstocks.
The SAF market is no longer limited to traditional HEFA pathways. Investment is accelerating across several areas:
Alcohol-to-Jet (ATJ)
e-Methanol
eSAF
Biomass-derived fuels
Other emerging technologies
All of these solutions aim to improve supply over time. The market is also seeing continued investment in dedicated production facilities across Europe, Africa, Asia, and the Middle East.
As production grows, markets typically become more competitive.
That doesn't necessarily mean SAF will reach price parity with conventional jet fuel overnight. But it does mean today's tight market shouldn't automatically be treated as tomorrow's permanent reality.
Another important consideration is what those additional costs actually represent.
Historically, conventional jet fuel has not reflected the environmental cost of its emissions. Carbon pricing and SAF mandates are designed to begin incorporating those external costs into aviation economics. While this increases fuel costs for airlines, it also changes how markets value lower-carbon alternatives.
In other words, the objective isn't simply to make fuel more expensive. It's to create an economic signal that encourages investment in cleaner production pathways while gradually reducing lifecycle emissions.
Viewed through that lens, higher SAF costs are not necessarily evidence that decarbonization is failing. They may simply reflect the market beginning to account for costs that were previously externalized.
It's also important to remember that SAF pricing doesn't exist in isolation. Feedstocks remain one of the largest determinants of production costs.
SAF pathways are influenced by several different feedstocks and energy sources:
Used cooking oil
Animal fats
Waste ethanol
Vegetable oils
Renewable hydrogen
Electricity
Changes upstream often ripple through the entire value chain, affecting producer margins long before finished fuel prices move. That's why understanding SAF increasingly requires understanding feedstocks.
Related: Feedstock Fundamentals | What are Biofuels Made From?
Markets for waste oils, tallow, renewable power, and alternative fuels often provide earlier signals about future SAF economics than finished fuel prices alone. ResourceWise's market analysis highlights how feedstock movements continue to shape modeled SAF pricing across multiple production pathways.
Instead of asking: "Is SAF too expensive?" industry leaders may be better served asking:
Those questions move the conversation beyond headlines and toward the underlying market fundamentals.
The aviation industry's transition to lower-carbon fuels will undoubtedly require investment, policy support, and continued technological innovation. But today's market should not be mistaken for the market of 2035.
As production scales, feedstock markets mature, and new pathways become commercially viable, the economics of sustainable aviation fuel will continue to evolve. For businesses making long-term strategic decisions, understanding those underlying trends (rather than reacting to today's headline prices) will provide a much stronger foundation for navigating the years ahead.
The Sustainable Aviation Fuel market is evolving rapidly as new mandates, feedstock dynamics, production technologies, and global trade flows reshape pricing and availability.
ResourceWise’s Monthly SAF Snapshot helps industry participants stay informed on these developments with analyst insights, market commentary, pricing trends, and policy updates from across the global SAF value chain.
Whether you're tracking feedstock markets, monitoring new production capacity, or evaluating emerging regulations, this report provides the context needed to make more informed decisions in an increasingly complex market.