Are there nonstop flights from Santiago de Compostela (SCQ) to Shannon (SNN)?

No. The fastest connection is via London, about 3h 2m of total flying time.

What is the fastest connection from Santiago de Compostela (SCQ) to Shannon (SNN)?

via London ≈ 3h 2m, via London ≈ 3h 8m, via Madrid ≈ 3h 14m (estimated flying time, excluding layovers).

Santiago-Rosalía de Castro Airport (SCQ) to Shannon Airport (SNN)・1,091 km

No nonstop flights. The fastest connection is via London (LGW), about 3h 2m of flying time (layover not included).

None.

5 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.