Let Shannon be your gateway to far-flung corners and to fast journeys home. Discover One-Stop Connections, all direct from Shannon Airport. Destination Start Easy Connect Via Fly from San Francisco SNN - SFO London Heathrow €267 New Orleans SNN - MSY Boston €236 Dubai SNN - DXB London Heathrow €235 Las Vegas SNN - LAS Boston €278 Rio de Janeiro SNN- GIG London Heathrow €363 Miami SNN - MIA London Heathrow €200 Bangkok SNN-BKK London Heathrow €277 Hong Kong SNN-HKG London Heathrow €261 Seattle SNN - SEA Boston €258 Los Angeles SNN-LAX London Heathrow €246 Prices available for one way travel from Shannon Airport in March 2020. Prices quoted may vary.