Saudia has a number of long-range aircraft entering its fleet and, from September 3, will be looking at designated markets from Jeddah and Riyadh.
Minoan is looking to fly unserved routes within the EU with its fleet of Fokker 50 aircraft and is keen to speak with airports that can prove market potential.
While RAF Avia has announced its interest in European and Nordic markets. Airports registered with Route Exchange will have access to the Formal Request for Proposal document from August 20.
US low-cost carrier JetBlue Airways is also set to launch an RFP using the Route Exchange platform. Details will be released in the coming weeks.
Declan Maguire, business development manager for Route Exchange, said: “We are delighted to welcome a further three airlines into the Route Exchange RFP process.
“Saudia, Minoan and RAF Avia all have a clear focus on who they wish to target and Route Exchange will allow them to gather crucial information and data from their target airports.
Cebu Pacific, Aer Lingus, Scoot, IndiGo and AirAsia X have already joined Route Exchange.
Once airports have met the terms of the pre-qualifying questionnaire, they will be sent the formal RFP where they can complete a pre-defined data requirements and a proposal document.
Airlines will then analyse submissions before scheduling meetings with potential new airport partners at World Routes, to be held from September 29 to October 2 in Abu Dhabi.