Why Are Bomb Threats Disrupting Flights Across Europe?

A series of bomb threats targeting passenger flights across Europe has triggered emergency landings, diversions and extensive security checks, disrupting airline operations in several countries.

A series of bomb threats targeting passenger flights across Europe has triggered emergency landings, diversions and extensive security checks, disrupting airline operations in several countries. Although no explosives have been discovered in the reported incidents, the repeated alerts have prompted responses from airport authorities, police and military aircraft.

The incidents have affected flights operated by Aer Lingus, Finnair, Ryanair, Wizz Air, LOT Polish Airlines, SAS and Austrian Airlines. Some aircraft were diverted to alternative airports, while others landed safely and underwent security inspections before passengers and crew were cleared.

The latest incidents on November 5 involved flights operated by Aer Lingus and Finnair, adding to a series of alerts reported since October.

Aer Lingus and Finnair Flights Face November 5 Alerts

An Aer Lingus Airbus A320 travelling from Dublin to Rome was diverted to Évreux air base in northern France on November 5 after a bomb alert, according to the French prime minister’s office.

Stay ahead of the geopolitical week.

MD Briefing delivers expert analysis across five global fronts — the Indo-Pacific, energy, geoeconomics, European security, and the Middle East — every Monday morning. Free.

All 151 passengers and six crew members were moved to safety. Bomb disposal teams were working to inspect the aircraft.

A separate threat was reported against a Finnair flight travelling from Helsinki to Rome on the same day. Italian air force units escorted the aircraft to Rome, although a Finnair spokesperson said it landed normally.

The incidents highlight the security procedures activated when threats are reported, even when there is no immediate evidence of an explosive device.

Ryanair Flights Trigger Security Searches in Three Countries

Four Ryanair flights were affected by bomb threats on November 3, prompting security operations in Italy, Spain and Bulgaria.

At Rome’s Fiumicino Airport, two aircraft arriving from Lisbon and Dublin underwent searches after potential bomb threats were reported. Airport operator ADR said the aircraft, luggage, passengers and crew were checked, and the alerts were subsequently cleared. The airport said there was no threat to its wider operations or other flights.

In Spain, Murcia Airport activated its security protocol following a bomb alert involving a flight from Manchester. All passengers and crew disembarked and underwent security checks while security forces inspected the aircraft.

Another Ryanair flight travelling from Dublin to Sofia landed safely in Bulgaria with 185 passengers on board. The country’s transport ministry said an inspection found no explosive devices.

Wizz Air Flights Diverted to Bulgaria and Hungary

Wizz Air also faced two separate incidents involving flights to Sofia.

On November 3, a flight travelling from Milan/Bergamo to Sofia landed safely in Bulgaria following a bomb threat. The aircraft carried 176 passengers, and an inspection found no explosive devices.

A day earlier, another Wizz Air flight travelling from London to Sofia diverted to Budapest after a threat was reported. Hungary’s defence minister said a Hungarian Gripen fighter jet was scrambled to escort the aircraft.

The incidents required coordination between airline operators, airport security teams and national authorities to ensure the aircraft could land safely and undergo inspection.

LOT and SAS Flights Prompt Security Checks in Poland

Poland also experienced disruptions on November 3 involving LOT Polish Airlines and SAS.

A LOT flight from London made an unscheduled landing at Warsaw-Modlin Airport after a bomb threat alert. Airport operations were temporarily suspended and resumed around midday. Security services inspected the aircraft while passengers and crew waited in the arrivals hall for further instructions.

Separately, an SAS flight travelling from Copenhagen to Warsaw landed at Warsaw-Chopin Airport after a reported bomb threat. The aircraft was checked after passengers disembarked, but Polish authorities said the threat had not been confirmed. Airport operations continued.

Austrian Airlines Incident Adds to Earlier Alerts

The series of incidents extends beyond November, with Austrian Airlines reporting a bomb threat involving a flight from Tel Aviv to Vienna on October 18.

The Airbus A320 diverted to Sofia while flying over Romania. A Bulgarian Air Force MiG-29 escorted the aircraft, which landed approximately 30 minutes after the alert was raised.

The airline confirmed that 51 passengers and six crew members were on board. Passengers were evacuated, and no injuries were reported. A security inspection found no threat, allowing the aircraft to continue to Vienna with everyone on board.

What Happens Next?

The reported incidents have so far produced no confirmed discovery of explosives, but repeated threats have demonstrated how quickly aviation security alerts can disrupt international travel.

Airlines and airport authorities must treat each warning seriously, often requiring aircraft diversions, passenger evacuations, military escorts and detailed searches before normal operations can resume.

For passengers, the immediate consequences include delays, uncertainty and possible changes to travel plans. For European aviation authorities, the challenge is to maintain security without allowing repeated unverified threats to cause prolonged disruption across the region.

Whether the incidents are connected remains unclear. Authorities will need to establish the credibility and origins of individual threats before determining whether they form part of a wider pattern.

With information from Reuters.

Sana Khan
Sana Khan
Sana Khan is the News Editor at Modern Diplomacy. She is a political analyst and researcher focusing on global security, foreign policy, and power politics, driven by a passion for evidence-based analysis. Her work explores how strategic and technological shifts shape the international order.

Latest Articles