At least three people died after a supermarket in the Chilean capital Santiago was set ablaze by demonstrators
...while many flights into the city's airport were suspended as crew were unable to get to work, the city's governor said on Sunday.
Santiago and other Chilean cities have been engulfed by several days of rioting.
Protests over an increase in public transport costs have prompted President Sebastian Pinera to declare a state of emergency.
Flights operated by Chile's biggest airlines LATAM and another, Sky Airline, were suspended or delayed on Sunday morning.
A curfew, a public transport shutdown and continued rioting left flight crews struggling to get to work.
Walmart Chile confirmed that it would close its stores across the country after 60 were damaged in the unrest.