Why do my legs and ankles swell when traveling?
Why do my legs and ankles swell when traveling? Leg and foot swelling during air travel is common and typically harmless. The most likely culprit is inactivity during a flight. Sitting with your feet on the floor for a long period causes blood to pool in your leg veins. The position of your legs when you are seated also increases pressure in your leg veins.
Why does my body swell when I travel by car?
Swollen legs, feet or hands This is particularly common with air travel, or any other mode of transportation that forces you to sit still for long periods of time. Our bodies are designed to move to help blood flow, so when you stop moving during a long flight, your blood tends to pool in your legs.