Shannon to London Jetlag Recovery Guide
Flying neutral from Shannon to London involves a timezone shift, rated "3" in difficulty. Below you will find departure timing tips, a day-by-day recovery plan, and seasonal advice.
ShannonLondon
SNN to LHR
Flight Options
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Airlines on this route: Aer Lingus (EI)
Flight Options & Recovery Plans
Scheduled flights from Shannon to London with estimated jetlag recovery timelines. Departure time significantly affects recovery — earlier or later flights can mean days of difference.
Frequently Asked Questions: Shannon to London Jetlag
How bad is jetlag from Shannon to London?+
Jetlag from Shannon (SNN) to London (LHR) is rated "3" with a 0-hour timezone shift traveling neutral.
What is the best time to fly from Shannon to London for jetlag?+
For neutral travel from Shannon to London, daytime flights arriving in the evening tend to minimize jetlag impact.
Is eastbound or westbound worse for jetlag?+
Eastbound travel is generally harder for jetlag recovery because it requires advancing your circadian clock, which the body resists. Westbound travel involves delaying your clock, which is more natural. For every hour of timezone shift, eastbound recovery takes about 1.5 days vs 1 day for westbound.