How do I stop my legs and feet from swelling on holiday?

10 Ways to Prevent Swollen Feet During Travel

Drink Water Throughout Your Travels. ...
Watch Your Diet and Avoid Salty Foods. ...
Reach for a Pair of Compression Socks. ...
Stretch Your Legs on Long Flights. ...
Give Your Feet a Seated Workout. ...
Stow Bags Overhead to Maximize Legroom. ...
Don't Cross Your Legs.

How long should swollen feet last after flying?

If your feet and ankles swell during a flight but the swelling subsides shortly afterward, it's not a serious concern. But if the swelling continues for hours after the flight and if the leg is red or warm to the touch or you have symptoms in only one leg, you need to seek medical care.