Originally Posted by Buzzz

Thanks, all. Going with the prevailing advice and staying in Oslo the first night, and at the airport the second night. DaveNCL's point about the cost of the train is well taken. @SwissTony, my open jaw in CW OSL-SEA and IAD-OSL came to NOK 18748.00 or approximately £1500. Same itinerary out of LHR was £4500. Allow me the bliss of my own ignorance if I haven't done well for myself