Flying after a heart attack or stent
The CAA gives unusually specific numbers here — and they are shorter than most people expect.
The short answer. 7 to 10 days after an uncomplicated heart attack, or as little as 2 to 3 days where the blocked artery was successfully reopened. After an uncomplicated angioplasty with stent, the CAA says 3 days. If the heart attack was complicated, 4 to 6 weeks.
Waiting times
| Procedure or event | Wait before flying |
|---|---|
| Heart attack, uncomplicated | 7 to 10 days |
| Heart attack, artery successfully reopened | As little as 2 to 3 days |
| Heart attack, complicated | 4 to 6 weeks |
| Angioplasty with stent, uncomplicated | 3 days |
| Coronary artery bypass graft | 10 days |
| Unstable angina | Not fit to fly until stabilised |
| Decompensated heart failure | Not fit to fly until treated and stable |
What "uncomplicated" is doing in that sentence
Every one of those figures is conditional on there having been no complications, and that word is carrying real weight. The CAA means: no ongoing chest pain, no significant heart failure, no dangerous rhythm disturbance, good heart function afterwards, and no further procedure planned imminently.
If any of those do not apply, you are in the complicated category, and the figure is four to six weeks rather than a week to ten days. It is not a judgement you can make from a website — your cardiology team knows which category you are in.
Why the reopened artery makes such a difference
The shortest interval — two to three days — applies where a blocked artery was successfully reopened, typically by primary angioplasty. The reasoning is that the underlying problem has been physically fixed, blood flow is restored, and the heart muscle at risk has been salvaged. The risk profile afterwards is genuinely different from a heart attack managed without intervention.
What the CAA lists as reasons not to fly
Uncomplicated heart attack within 7 days; complicated heart attack within 4 to 6 weeks; unstable angina; decompensated heart failure; bypass surgery within 10 days; and uncontrolled arrhythmia.
Practical steps
- Get explicit clearance from your cardiology team, and ask them to put it in writing if you are travelling close to the limits
- Expect the airline to want MEDIF clearance for recent events — start it early, it takes days
- All cardiac medication in hand luggage, with a medication letter
- Arrange airport assistance; rushing through a terminal is exactly the exertion to avoid
- Carry a copy of your discharge summary and a recent ECG if you have one
- Check your travel insurance covers a recent cardiac event — many standard policies do not without declaration
When not to fly
Do not fly if you have chest pain at rest or on minimal exertion, breathlessness that has worsened, palpitations you have not had assessed, or ankle swelling that is increasing. If you get chest pain before travelling, treat it as an emergency and call 999 rather than continuing to the airport.
Common questions
How soon can you fly after a heart attack?
CAA guidance allows 7 to 10 days if there were no complications, and says travel may be possible after as little as 2 to 3 days where the blocked artery was successfully reopened. A complicated heart attack means 4 to 6 weeks.
How soon can you fly after a stent?
The CAA states that patients with an uncomplicated percutaneous coronary intervention such as angioplasty with stent placement may be fit to travel after 3 days — while stressing that individual assessment is essential.
How soon after bypass surgery?
The CAA lists coronary artery bypass graft within 10 days as a contraindication, so 10 days is the minimum. In practice many surgeons prefer longer, particularly for long-haul travel, because of the chest wound and clot risk.
Do I need airline medical clearance?
For a recent cardiac event, usually yes. Airlines generally require a MEDIF form reviewed by their own medical department. Allow several days — it is not same-day.
Will my travel insurance still be valid?
Only if you declare the event. A recent heart attack is a material change that must be disclosed; failing to do so is one of the most common reasons a claim is refused.
Is there extra clot risk?
Yes, particularly after bypass surgery or if you are less mobile. Move regularly, hydrate, and ask your team about compression stockings.
Related
Sources. The airline and clinical facts on this page were checked against these primary sources on 24 August 2026. Airline policies change without notice — always confirm with your airline before you book or travel.
Need a fit to fly certificate after surgery?
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