Nonstop route
Detroit to Portland nonstop
Yes — Delta flies DTW to PWM nonstop year-round — about daily.
DTWDetroit
✈
PWMPortland
daily14 flights a week
Year-round14/wk Jun vs 7.5/wk Jan
$250–$400typical one-way · median $300
668miles nonstop
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Fares are what people actually paid: half of the 374 tickets in the US DOT fare survey for this route sold between $250 and $400 one way, median $300. That survey runs a couple of quarters behind, so treat it as the shape of the route's pricing rather than today's quote.
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