Only chance is if Norwegian is on time AND you've booked BOTH flights through Gatwick Connects.
Otherwise, you need 4-5 hours between flights (disembark, clear Immigration, collect luggage, re-check luggage and go through Security again0.
If they are separate, then please read this Traveller Article about the risks associated with "connecting" on separate tickets:
Norwegian don't have the best record for arriving on time and given that you have to get through immigration, retrieve bags and then check in for the next flight, I wouldn't risk it unless you have the kind of travel insurance that will stump up for a new ticket - and even then they may require that you leave a specified amount of time for connecting flights.
If you decided to go to Heathrow on arrival realistically that means you take a flight well into that evening - 5 hours from landing at Gatwick is a Minimum. Add in Pisa being an hour ahead of London and suddentiy you are getting to a Pisa hotel in the wee small hours of the next day, Great start to a trip!
Yes i agree its not the greatest idea. On to another plan!
Yes i have. It’s the best idea, I think. Thanks!
Changing to Heathrow isn’t going to be much fun.
The route between the two airports is one of Europe’s busiest and often experiences delays.
For those with separate flights (one at Gatwick, another at Heathrow - or vice versa), we suggest allowing 5-6 hours between flights. Better still, not to have to make that particular journey.
Good to know. I won’t do it!
Even GatwickConnnects or Worldwide by easyJet won't allow this connection - I believe they require 3 hours. If you have not yet booked your flight from OAK, go to www.easyjet.com and select Worldwide.