Flying with a broken leg or a cast

Reviewed by the AirAmbulance.org editorial team · Updated 13 November 2026 · Editorial policy

Many people fly with a leg in a cast, but airlines set conditions, especially for casts fitted in the last day or two, and some injuries need a stretcher or air ambulance instead.

Airline rules on casts

• Airlines set their own rules. The UK Civil Aviation Authority says airlines usually require a recently fitted cast to be split along its full length before flying, because swelling can occur at altitude.
• Many airlines restrict travel for a set time after a cast is fitted (often 24 to 48 hours, depending on flight length). Check your airline's medical page or call its medical desk.
• If you can't bend your knee, you may need extra legroom, which some airlines sell as extra seats or premium seats. Exit rows aren't allowed for passengers who need help.

Health risks to discuss with the doctor

• Long flights increase the risk of blood clots (deep vein thrombosis), especially with a leg in a cast and limited movement.
• Ask the treating doctor whether you are fit to fly, whether you need blood-thinning medication, and get a letter describing the injury and cast.

Getting help at the airport

• Request wheelchair assistance when you book; US airlines must provide help to board, deplane and connect. See airport assistance.
• Crutches can usually be carried on board. Check with the airline about where they will be stowed.

When a seat isn't enough

• If the patient can't sit upright for take-off and landing, or needs pain relief or monitoring on board, a stretcher on a commercial flight with a medical escort or an air ambulance may be needed.
• For an injury abroad, travel insurance with medical repatriation cover often decides which option is paid for: call the assistance number before booking anything.

Sources

• UK Civil Aviation Authority: Air travel and your health
• US DOT: Passengers with disabilities

General information only, not medical, legal or insurance advice. Rules, coverage and prices change; confirm with your provider and insurer.