Depending on the government, several types of airplanes are flown to the continent.
The United States of America uses energy-efficient cargo planes and older-style Hercules -- C-130s, designed by Lockheed.
There is no commercial air service to the continent.
Commercial airplanes do not fly to Antarctica, because there is no demand for this service, and there are no commercial facilities there to support commercial flight.
However, government airplanes do fly in and out of Antarctica, when it is warm enough so that their petrol and hydraulic fluids do not freeze.
Access to Antarctica is usually by hull-reinforced ship or by long-distance airplanes.
Bipedal locomotion, snow cats, snow mobiles, airplanes, etc.
Yes, but not commercial airplanes.
Some governments use airplanes -- usually military aircraft -- for logistical support for their research stations on the continent. There are no commercial airplanes that fly to or from Antarctica. Airplanes function best when it's warmer there, usually between about October and about February. Otherwise jet fuel, lubricating oils, and mechanical systems are subject to freezing and not being able to operate as expected.
There are no paved runways in Antarctica. Airplanes land on skis, not wheels, on runways of ice.
Ships.
Antarctica is accessible part of the year by hull-reinforced ship, and by military logistics airplanes. In the past, some ships that sailed to the Antarctica were lost there, due to being crushed in the ice.
Airplanes make traveling to Antarctic easier.
Airplanes, Hovercraft's, Cars, Trucks, Helicopters........... Can go on forever....
There are no commercial airports in Antarctica. Most science stations, however, have ice runways nearby, so that airplanes servicing the station can land on skis.
No, FedEx does not fly to Antarctica. There is no commerce there to pay for FedEx services, nor is there any commercial air infrastructure to support commercial airplanes, anywhere on the continent.
Nobody did, because there were no successful airplanes then