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$69 Cheap flights from Portland to Detroit (PDX to DTW) - Expedia
$89 CHEAP FLIGHTS from Portland to Detroit (PDX - DTW) - KAYAK
Flights from Portland, OR, to Detroit | Southwest Airlines
$64 CHEAP FLIGHTS from Detroit to Portland (DTW - PDX) - KAYAK
$84 CHEAP FLIGHTS from Portland to Detroit (PWM - DTW) - KAYAK
$69 Flights from Portland to Detroit (PDX to DTW) - Travelocity
Find Cheap Flights from Portland to Detroit - Google
$69 Cheap Portland to Detroit flights (PDX to DTT) | Orbitz
Cheap flights from PDX to DTW from $69 - Orbitz
$61 Flights from Portland (PDX) to Detroit (DTT) - Skyscanner