In The Last King of Scotland (2006), Nicolas Gariggan escapes from Idi Amin in flight the same way Team from Argo (2012) escapes from the cops through flight.
So was the climax scene of Argo inspired by Last King of Scotland?
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Considering Argo is based on a true story from ~20 years before the fictional story The Last King of Scotland was written I very much doubt that Argo's plot was seriously influenced by The Last King of Scotland. In case you wonder if the similarity is caused by Giles Foden copying the idea from Argo it looks like that is a dead end too considering Giles Foden published his book in 1998, and Tony Mendez released his memoirs in 1999 which I believe is the first public acknowledgement of the events that Argo is based on.
If you gave more information about why you think they are the same beyond leaving via airplane then I might be able to give you a more detailed answer.