Jet fuel shortages threaten to disrupt summer travel plans across Europe and beyond. Airlines face potential supply constraints that could limit flight capacity during peak vacation season, pushing ticket prices higher and leaving some travelers stranded.

The shortage stems from refinery capacity constraints and geopolitical supply disruptions. Several European refineries have reduced output or shifted focus away from jet fuel production toward more profitable diesel and gasoline. Russia's invasion of Ukraine severed traditional fuel supply routes, forcing Europe to source aviation fuel from farther away at higher costs. This combination has tightened margins for carriers already operating on thin profits.

Low-cost carriers and regional airlines feel the pinch hardest. Unlike legacy carriers with fuel hedging contracts and diversified supply chains, budget operators lack negotiating power with fuel suppliers. Some smaller airlines have already reduced route networks or increased fuel surcharges passed directly to passengers.

Solutions exist but require coordination. Governments can fast-track refinery investment and expand strategic fuel reserves. Airlines pushing sustainable aviation fuel adoption could ease demand for conventional jet fuel, though SAF remains expensive and production capacity lags. The European Union's proposed green aviation regulations mandate SAF blending by 2025, which could ease supply pressure if implemented alongside refinery support.

Booking directly with airlines and avoiding peak travel weeks offers passengers some flexibility. Tour operators have begun adjusting itineraries and pricing to account for higher fuel costs. The situation remains fluid, with energy markets volatile and recovery timelines uncertain.

Airlines and governments must act fast. Without intervention, summer 2024 and 2025 could see reduced flight availability, higher fares, and frustrated travelers. The window to prevent severe disruption is closing.