Summer 2023 flights and holidays are on sale now from Edinburgh, Glasgow and Newcastle airports.
It comes after the airline and operator announced its summer 2023 programme from six bases last week.
It leaves just Jet2’s Yorkshire base at Leeds Bradford outstanding, although the firm has promised "more good news" to follow soon.
Destinations include the Canaries, the Balearics, the Spanish mainland, Greece and its islands, Turkey, Italy, Cyprus, Croatia and Portugal.
Jet2 will offer more than 170 weekly Canaries flights in summer 2023, more than 180 to the Balearics, in excess of 200 to Greece and its islands, and almost 150 a week to Turkey during peak times.
Details of Jet2’s summer 2023 Jet2CityBreaks programme is also to follow, the firm said.
Steve Heapy, Jet2.com and Jet2holidays chief executive, said: “Following the positive response to six UK bases going on sale earlier than ever before just last week, we are very pleased to be adding Edinburgh, Glasgow and Newcastle too. We know customers want something to look forward to more than ever before, which is why we are putting our 2023 programme on sale now.
"This programme is not only giving customers and independent travel agents the chance to get ahead and book early, but it is giving them unrivalled choice and flexibility."
The additions include:
- Edinburgh: 32 sun destinations on sale for Summer 2023 – Antalya, Bodrum, Dalaman, Izmir, Tenerife, Lanzarote, Fuerteventura, Gran Canaria, Reus, Alicante, Malaga, Palma (Majorca), Ibiza, Menorca, Faro (Algarve), Madeira, Crete (Heraklion), Corfu, Preveza, Skiathos, Santorini, Kos, Rhodes, Halkidiki, Zante, Larnaca, Paphos, Bourgas (Bulgaria), Dubrovnik, Split, Naples, Verona. More than 80 weekly flights departing during peak periods.
- Glasgow: 27 sun destinations on sale for Summer 2023 – Antalya, Bodrum, Dalaman, Izmir, Tenerife, Lanzarote, Fuerteventura, Gran Canaria, Reus, Alicante, Malaga, Palma (Majorca), Ibiza, Menorca, Faro (Algarve), Madeira, Crete (Heraklion), Corfu, Kefalonia, Kos, Rhodes, Zante, Larnaca, Paphos, Bourgas (Bulgaria), Naples, Malta. Nearly 100 weekly flights departing during peak periods.
- Newcastle: 32 sun destinations on sale for Summer 2023 – Antalya, Bodrum, Dalaman, Izmir, Tenerife, Lanzarote, Fuerteventura, Gran Canaria, Reus, Alicante, Malaga, Girona, Palma (Majorca), Ibiza, Menorca, Faro (Algarve), Madeira, Crete (Heraklion), Corfu, Kefalonia, Skiathos, Santorini, Kos, Rhodes, Halkidiki, Zante, Larnaca, Paphos, Bourgas (Bulgaria), Dubrovnik, Malta, Jersey. More than 110 weekly flights departing during peak periods.