GNB · Isère’s seasonal Alpine ski gateway with clear winter commercial banks from **easyJet**, **Jet2**, **Ryanair**, **British Airways**, **Wizz Air** and others — compact Saint-Geoirs terminal **without Priority Pass lounge** on research day; coach transfers toward Grenoble / resorts.
LYS · Strong regional hub with a rare on-airport TGV station and a fast Rhônexpress to Part-Dieu, tempered by Terminal 2 closure crowding everything into T1, classic 100 ml security, and Priority Pass that only credits a restaurant.
15% · Food and retail quality and variety.
GNB5.0
LYS7.3+2.3
Ground access
15% · Transit, taxi, and parking to the city.
GNB6.0
LYS8.7+2.7
Reliability
15% · Delays, cancellations, and weather resilience.
GNB5.6
LYS7.2+1.6
Lounges
10% · Worth-it density and access quality.
GNB2.0
LYS7.4+5.4
LYS
Rail+air connections via the Calatrava TGV stationSchengen business hops with a paid Confluence loungeAlps ski transfers and Auvergne-Rhône-Alpes leisureBudget city access via TCL T3 + bus 248
No published MCT
LYS
Terminal 2 closed — all airlines and queues funnel through T1Priority Pass is Alpage €23 restaurant credit, not lounge entryClassic EU 100 ml liquids still apply (no published waiver)Salon Mont Blanc opens 08:30 — early non-Schengen flights miss itTCL airport rides need a toutes-zones €3.70 ticket, not the €2.10 city fare
Winter ski banks dominate
easyJet, Jet2, Ryanair, BA and Wizz concentrate on the winter leisure season.
Single Saint-Geoirs terminal
One compact passenger hall ~40 km from Grenoble centre.
LYS
Salon Confluence & Mont BlancRhônexpress + TGV stationPlace des Lumières F&BFree unlimited Wi-FiZenLine / Coupe-File securityDrinking fountains
Buy Rhônexpress online — TCL is cheaper if you have time
Rhônexpress ~29 min / €16.30 online; TCL T3 + bus 248 needs a toutes-zones ticket at €3.70.
Book free ZenLine — still pack 100 ml
Free ZenLine slots help; assume classic liquid rules on the day.
Match Confluence vs Mont Blanc to your destination
Paid airport lounges by Schengen/non-Schengen; PP is Alpage only.
