Zurich Airport (www.zurich-airport.com), 1.5 hours by car
Direct trains from Zurich Airport to Bregenz: 07:21 a.m., 09:21 a.m., 01:21 p.m., 06:21 p.m. (departure times)
Direct trains from Bregenz to Zurich Airport: 10:06 a.m., 03:06 p.m., 07:06 p.m. (departure times)
Bodensee Airport Friedrichshafen (www.bodensee-airport.eu/en/), 45 min. by car
Allgaeu Memmingen Airport (www.allgaeu-airport.com), 1 hour by car.
St. Gallen Altenrhein Airport (www.airport-stgallen.com), 30 min. by car