Cheap flights from Michigan to Portland from $45

The cheapest month to fly to Portland from Michigan is in September. Flight prices, which tend to average around $58, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in September, then you should wait until June to fly from Michigan, when ticket prices are also cheap, with an average price of $67.

The cheapest day to depart on your flight to Portland is on a Tuesday when prices can be found for as low as $539. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Friday, with ticket prices averaging around $619.

The cheapest time of day to fly to Portland is in the afternoon when flights can be purchased for as low as $499. In the evening is when there is more demand to fly to Portland, so prices are often more expensive at around $596 per ticket.

Fly from Flint Bishop to Portland for the best Michigan - Portland flight prices

You are more likely to see cheaper flights to Portland from Michigan when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $524 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Michigan for as low as $403 on momondo.

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

Allegiant Air, Frontier, and JetBlue are the most popular carriers operating from Michigan to Portland

Delta, Allegiant Air and American Airlines are the top three most popular airlines that fly to Portland from Michigan according to our data. Delta is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 7 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

As of June 2026, there are 25 flights per day flying from Michigan to Portland. The most common time of day flights depart is 8:00PM, with 69% of flights taking off in the evening.

181 flights are operational weekly from Michigan to Portland as of June 2026. The most popular departure day for this route is Mon, with 22% of flights per week taking off on this day.