Yes, but isn't it actually those with formidable resources - particularly time and forgiving work schedules/structures - who are able to secure these prices? If a relative were to suddenly take ill in New York and I were to have to fly there ex-Chicago, the fare would be outrageous.
It's also consistently and significantly cheaper to fly LHR-JFK than JFK-LHR. I've never seen a convincing accounting for this.
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