Images shared on social media show pieces of toilet paper strewn across the aisle of the plane.
Lundgren said he backed airports capping flights, adding that easyJet's cuts were in line with the moves.
EasyJet increased capacity for October-December to 70% of its pre-pandemic level.
The group said on Tuesday it was confident on demand for summer and autumn travel.
An easyJet Airbus A320-251N takes off from Nice international airport in Nice.
An EasyJet airliner lands at Son Sant Joan airport in Palma.
"The British government needs to set out how it will unwind coronavirus border restrictions..." The head of easyJet said
The quarantine rules are deterring new bookings.
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