Flight Centre data shared with the Australian outlet shows bookings on Qatar Airways, Emirates and Etihad jumping 36% in a single week after the Department of Foreign Affairs and Trade softened its "do not travel" warning.
The surge follows widespread flight cancellations in March and April when the conflict involving Iran prompted airspace closures across the region.
Passengers pulled back sharply then, but the latest numbers show confidence returns as soon as advisories ease.
Cheaper Europe deals are appearing again as airlines rebuild their schedules.
Travel disruption through the Middle East started when airlines cut services in response to the Iran-related conflict and the knock-on effect on key flight paths.
Etihad Airways has now fully restored its schedules to Sydney and Melbourne, signalling a return to pre-war levels for those routes.
Emirates remains below its old capacity, operating at about 85% into Australia, yet it plans to reach 100% by August.
Qatar Airways already runs double daily services from Sydney and Melbourne and a daily flight into Brisbane and Perth, giving Australian travellers multiple options into its Doha hub.
Capacity decisions by these three Gulf carriers matter because their one-stop routes to Europe underpin many of the sharpest fare deals from Australia.
As more seats return, pricing pressure intensifies on both Middle Eastern and European competitors that rely on long-haul passengers.
Travel agencies point to the 36% booking spike as evidence that Australian travellers quickly respond when safety signals improve and flight options expand.
The Middle East corridor is again becoming one of the most hotly contested and potentially best value ways to reach Europe.
