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 €309 New Orleans SNN - MSY Boston €251 Dubai SNN - DXB London Heathrow €297 Las Vegas SNN - LAS Boston €326 Rio de Janeiro SNN- GIG London Heathrow €414 Bangkok SNN-BKK London Heathrow €290 Hong Kong SNN-HKG London Heathrow €256 Seattle SNN - SEA Boston €283 Los Angeles SNN-LAX JFK €326 Prices available for one way travel from Shannon Airport in May 2020. Prices quoted may vary and are subjcet to availability.