Cheap flights from Portland to Detroit from $84

The cheapest month to fly to Detroit from Portland is in August. Flight prices, which tend to average around $499, are often lower during this time because this is during the off-season. If you’re not able to fly to Detroit in August, then November is your next best option. Flight prices from Portland to Detroit during November average around $513.

On average, the least expensive day to fly to Detroit from Portland is on a Monday. momondo users have found tickets for Monday departures for as low as $494. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Detroit for around $543.

At noon is the cheapest time of day to fly from Portland to Detroit when you can find flight prices for as low as $372. Flying to Detroit at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $587 on average. Flights to Detroit from Portland in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Portland to Detroit Metropolitan Wayne County for the best Portland - Detroit flight prices

You are more likely to see cheaper flights to Detroit from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Detroit for around $578 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Detroit from Portland for as low as $247 on momondo.

There are 4 cabin classes available to choose from on Portland to Detroit flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Alaska Airlines, United Airlines, and Southwest are the most popular carriers operating from Portland to Detroit

Delta, Frontier and Alaska Airlines are the top three most popular airlines that fly to Detroit from Portland according to our data. Delta is the first choice among our users, with 66% of people opting to fly with this airline when traveling to Detroit. Keep in mind that there are 5 different airlines that fly to Detroit on a routine basis, so you have a few additional options to choose from.

Seattle (SEA) was the most common stop: 57% of momondo users choosing 1-stop flights on this route connected there.

Flights via Denver (DEN) offer the lowest average round-trip price of $225.

Flights connecting via Seattle (SEA) have the shortest average one-way travel time: 6h 30m.

Seattle (SEA) has the shortest average layover time for this route: 1h 09m.

The number of flights available between Portland and Detroit is 3 per day as of August 2026. The most frequent departure time is 11:00AM, with 50% of daily flights leaving at noon.

As of August 2026, there are 24 flights per week flying from Portland to Detroit. The most common day of the week flights depart is Mon, with 21% of flights taking off on this day.