
For something that millions of people do every year, flying while pregnant still causes a surprising amount of confusion. Which airlines have stricter rules? And when does a doctor’s note go from optional to essential?
The answers depend on a mix of factors, including the stage of pregnancy and the airline. This guide walks through the key considerations so expectant travellers can plan with confidence.
Is It Safe to Fly While Pregnant?
The short answer, for most healthy pregnancies, is yes. Air travel doesn’t pose a significant risk during a straightforward pregnancy, and many women fly regularly well into the second trimester without any issues.
That said, certain complications can change the picture. Placenta praevia, a history of premature labour, severe anaemia, pre-eclampsia, and recent bleeding are all reasons a doctor might advise against flying, regardless of how many weeks along someone is. The conversation should always start with a midwife or a GMC-registered doctor, and an airline’s FAQ page.
Travel Restrictions When Pregnant: What the Airlines Say
Most major airlines allow unrestricted travel up to 28 weeks. Between 28 and 36 weeks, the majority will request medical documentation confirming that the pregnancy is uncomplicated and that the expected due date falls outside the travel window. After 36 weeks (or 32 weeks for multiple pregnancies), most carriers won’t allow boarding at all.
But the specifics vary. Ryanair, for example, won’t carry passengers beyond the end of their 36th week for single pregnancies. British Airways follows the same cutoff but requires a letter or certificate from 28 weeks onwards. Emirates asks for a medical certificate after 29 weeks. Some US carriers are more relaxed and don’t formally require documentation, though they reserve the right to ask questions at the gate.
Always check the policy of every airline involved in the journey before booking. Policies can also change, so verifying closer to the travel date is worth the extra few minutes.
When Do You Need a Fit-to-Fly Certificate for Pregnancy?
For uncomplicated pregnancies under 28 weeks, a certificate usually isn’t necessary. Most airlines won’t ask for one, and most doctors won’t suggest one unless there’s a specific concern.
Between 28 and 36 weeks is when the requirement kicks in. The airline will typically want written confirmation from a doctor or midwife stating the expected due date, that the pregnancy is progressing normally, and that there’s no medical reason to avoid flying. Some airlines accept a simple letter. Others have their own forms, including the MEDIF system used by most popular carriers, which requires more detailed clinical information.
Timing matters. Most airlines require the certificate to be dated no more than seven to ten days before the departure date. Get it too early, and it may not be valid by the time of the flight. Leave it too late and getting a GP appointment might become its own source of stress.
For anyone with a complicated pregnancy or an underlying condition, a certificate might be needed earlier than 28 weeks. This is something to discuss with a healthcare provider well in advance, especially if the trip involves long-haul travel or destinations with limited medical facilities.
Practical Tips for a Comfortable Flight
Aisle seats are completely worth their weight in gold. Frequent bathroom trips are part of the deal, and not having to climb over two strangers every time makes a real difference. Compression stockings are also a smart move. Pregnancy already increases the risk of deep vein thrombosis, and sitting for hours at altitude compounds that risk. Moving around the cabin regularly and staying well hydrated helps too.
Loose, comfortable clothing goes without saying. So does packing snacks, because airline meal timing rarely aligns with the demands of a pregnant appetite. Keep essential medication and maternity notes in the hand luggage, not the hold, in case of delays or diversions.
Travel insurance is another box to tick. Standard policies don’t always cover pregnancy-related complications, so it’s worth reading the fine print or opting for a specialist provider. Getting caught without adequate cover abroad is a situation nobody wants, least of all someone who’s 32 weeks along.
Travel Safely With Baby Aboard
Flying during pregnancy doesn’t have to be stressful, but having the right documentation in place makes all the difference. A fit-to-fly certificate gives both the airline and the traveller peace of mind, confirming that a medical professional has reviewed the pregnancy and cleared the journey.
Need a fit-to-fly certificate before your next trip? At Hola Health, it couldn’t be simpler for expectant travellers. Book an online consultation with one of our GMC-registered doctors, get assessed from the comfort of your home, and receive your certificate quickly, often within minutes.