13th April 2026
The escalating issues in the Middle East sparked by the blockade targeting Iranian shipping through the Strait of Hormuz is no longer just an oil market story. It is rapidly becoming an aviation crisis, with the UK and Europe exposed to a tightening supply of jet fuel, rising costs, and the very real possibility of disruption to flights.
At the heart of the issue lies a simple but critical vulnerability: Europe depends heavily on imported jet fuel, much of it refined in the Gulf and shipped through one of the world's most strategically sensitive chokepoints.
With roughly 40% of these supplies passing through the Strait of Hormuz, even limited disruption has immediate consequences. While the current U.S. measures stop short of a full closure, the uncertainty alone has been enough to send shockwaves through supply chains.
For now, there is no widespread jet fuel shortage across Europe. Flights continue to operate, and major hubs remain functional. But beneath the surface, the system is under strain. запас levels are being closely managed, contingency plans are being activated, and industry warnings are becoming more urgent. Analysts suggest that if disruption persists for several weeks, Europe could face what has been described as a "systemic" shortage—one that affects multiple countries simultaneously rather than isolated airports.
The UK stands out as particularly vulnerable. Unlike some continental countries with greater refining capacity, Britain relies significantly on imported aviation fuel. This leaves it more exposed to global supply shocks and less able to cushion sudden disruptions. In practical terms, this means that if shortages begin to emerge across Europe, UK airports may feel the pressure earlier and more acutely.
Even before any physical shortage has materialised, prices are already surging. Jet fuel costs have risen dramatically in recent weeks, in some cases doubling compared to earlier in the year. For airlines, fuel is one of the single largest operating expenses, so such a spike cannot be absorbed quietly. The response is already visible as flights are being trimmed, routes reconsidered, and capacity reduced. Airlines are not only reacting to higher costs but also conserving fuel in anticipation of tighter supply.
For passengers, the impact is becoming unavoidable. Ticket prices are expected to rise, with some estimates suggesting increases of up to 9% across Europe in the near term. But headline fares may not tell the whole story. Airlines often respond in more subtle ways by reducing the number of low-cost seats, increasing ancillary fees, or quietly adjusting pricing structures. On top of that, the reintroduction of explicit fuel surcharges, a practice seen in previous oil shocks, is becoming increasingly likely if elevated prices persist.
In more severe scenarios, the consequences could extend beyond higher fares. If fuel availability tightens further, airlines may be forced to cancel flights or reduce schedules more aggressively. Smaller airports, with less storage capacity and fewer supply options, would likely be the first to feel the strain. While major hubs might continue operating, the overall network could become thinner, more expensive, and less reliable.
What makes this situation particularly challenging is the speed at which it can evolve. Aviation fuel supply chains are less flexible than those for road fuels like petrol and diesel. There are fewer suppliers, limited capacity, and little room to quickly increase production. As a result, the aviation sector tends to feel shocks earlier and more sharply.
The coming weeks will be decisive. If tensions ease and shipping through the Strait of Hormuz stabilises, the current pressure may subside before it turns into a full-blown crisis. But if disruption continues or escalates, Europe and especially the UK could find itself facing not just higher travel costs, but genuine constraints on air travel.
For now, the message to travellers is clear in that flights are still operating, but the era of cheap and abundant air travel is under renewed pressure.