What happens if you fly with a fever?

Some of the risk factors associated with flying with a fever are: Increased risk of thrombosis. Lack of rest during a flight. Risk of infection for other travelers.



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if you suffer from or have had:
  • angina or chest pain at rest.
  • an infectious disease (e.g. chickenpox, flu), including COVID-19.
  • decompression sickness after diving (sometimes called 'the bends')
  • increased pressure in the brain (due to bleeding, injury or infection)
  • infection of your ears or sinuses.
  • recent heart attack.


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Now, if you need to delay your trip for illness, you can usually do so without penalty. Most airlines now allow changes with Economy tickets. When you are well enough to travel, you'll just have to pay the difference in cost for an airline ticket (if there is one for your new dates).

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For this reason: If you have symptoms of respiratory tract infections, cold or flu symptoms such as a fever, a cough, the chills, shortness of breath, loss of smell and taste, we urge you to please stay home. Just use our rebooking options and postpone your flight - flexible and free of charge.

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If you or a travel companion gets an injury or sickness that can't be helped with basic first aid or an over-the-counter medicine, seek medical attention right away. Visit Getting Health Care During Travel to learn how to connect with a doctor or medical services during your trip.

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A sick baby can deteriorate rapidly, so if your baby doesn't seem like his normal self and has a high fever, you should delay flying until he's feeling better. If your sick baby gets worse during the flight, he won't necessarily be able to get medical help, which is why it's safer not to fly.

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Infectious Diseases
An airline can deny boarding of any passenger who looks unwell, especially if they suspect the passenger might be infectious (infect other passengers).

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Do not travel if you are sick. If you are sick with flu-like symptoms, do not travel. Stay home until you are fever-free for at least 24 hours without using a fever-reducing medicine, such as acetaminophen.

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Flying after a chest infection is only advised if the patient is no longer contagious. If they still feel vulnerable after recovering or if they need to travel urgently, an air ambulance is their best bet.

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The air pressure while flying increases the risk of blood clots forming, which is not ideal. Heart complications: If you've suffered a heart attack, stroke, cardiac failure or chest pain while at rest, flying should wait. The lower oxygen levels, increased air pressure, high altitude and more could affect your health.

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Some recent studies do in fact suggest that traveling, especially flying, can have a negative effect on your immune system, thus making it easier for you to get sick.

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The flight attendants will assess the situation by asking the passenger to describe their symptoms, assuming they are lucid and conscious. Depending on the case, they will administer care themselves or consult with a medical professional on board or on the ground.

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It is important to note that an airline has the right to refuse a passenger if staff believe that the passenger meets the following conditions: if the passenger could be considered a potential safety hazard, might require medical attention during the flight, has a condition that might deteriorate during the flight, or ...

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The most important thing you can do if you feel yourself getting sick before setting off on a trip is rest. When you sleep, your body is more able to fight off infections – so get as much sleep as you can!

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