Are there nonstop flights from Santiago de Compostela (SCQ) to Barcelona (BCN)?

Yes. Ryanair, Vueling fly this route. Flight time is about 1h 32m.

What is the fastest connection from Santiago de Compostela (SCQ) to Barcelona (BCN)?

via Bilbao ≈ 2h 5m, via Madrid ≈ 2h 8m, via Valencia ≈ 2h 15m (estimated flying time, excluding layovers).

from 12,000 JAL miles (economy, one way, based on the published award charts).

Santiago-Rosalía de Castro Airport (SCQ) to Josep Tarradellas Barcelona-El Prat Airport (BCN)・883 km

Nonstop flights available (2 airlines). Flight time about 1h 32m. Nonstop return flights also operate.

With milesJAL 12,000 miles+ (via MAD)Economy, one way, estimate. Tap a connection for miles by cabin.

14 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.