Cheap Flights from Detroit to Willamette Valley

View €104 flight on Tue, 2 Sep 2025Opens in a new window

Popular airlines from Detroit to Willamette Valley

  • Alaska Airlines

    Alaska Airlines

  • Spirit Airlines

    Spirit Airlines

  • Delta

    Delta

  • United

    United

  • American Airlines

    American Airlines

  • Frontier Airlines

    Frontier Airlines

  • Southwest Airlines

    Southwest Airlines

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Cheap flights from Detroit to Willamette Valley (DTT-RDM)

Prices were available within the past 7 days and start at €104 for one-way flights and €282 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 4 Sep - Wed, 10 Sep
DTW
Detroit
PDX
Portland
€282 Return, found 5 days ago
€282
Return
found 5 days ago
Select American Airlines flight, departing Thu, 4 Sep from Detroit to Portland, returning Wed, 10 Sep, priced at €282 found 5 days ago
American Airlines
Thu, 4 Sep - Wed, 10 Sep
DTW
Detroit
PDX
Portland
€361 Return, found 5 days ago
€361
Return
found 5 days ago
Select American Airlines flight, departing Thu, 4 Sep from Detroit to Portland, returning Wed, 10 Sep, priced at €361 found 5 days ago
American Airlines
Mon, 1 Sep - Mon, 8 Sep
DTW
Detroit
PDX
Portland
€364 Return, found 6 days ago
€364
Return
found 6 days ago
Select American Airlines flight, departing Mon, 1 Sep from Detroit to Portland, returning Mon, 8 Sep, priced at €364 found 6 days ago
American Airlines
Mon, 1 Sep - Mon, 8 Sep
DTW
Detroit
PDX
Portland
€369 Return, found 6 days ago
€369
Return
found 6 days ago
Select American Airlines flight, departing Mon, 1 Sep from Detroit to Portland, returning Mon, 8 Sep, priced at €369 found 6 days ago
Delta
Thu, 4 Sep - Wed, 10 Sep
DTW
Detroit
PDX
Portland
€396 Return, found 5 days ago
€396
Return
found 5 days ago
Select Delta flight, departing Thu, 4 Sep from Detroit to Portland, returning Wed, 10 Sep, priced at €396 found 5 days ago
United
Mon, 1 Sep - Mon, 8 Sep
DTW
Detroit
PDX
Portland
€439 Return, found 6 days ago
€439
Return
found 6 days ago
Select United flight, departing Mon, 1 Sep from Detroit to Portland, returning Mon, 8 Sep, priced at €439 found 6 days ago

Find the cheapest month to fly from Detroit (DTT) to Portland (PDX)

October is typically the cheapest month to fly

From €135 - €401 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.