Cheap flights from Miami to Portland from $109

The cheapest month to fly to Portland from Miami is in February. Flight prices, which tend to average around $260, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in February, then you should wait until October to fly from Miami, when ticket prices are also cheap, with an average price of $281.

The cheapest day to depart on your flight to Portland is on a Tuesday when prices can be found for as low as $297. 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 Saturday, with ticket prices averaging around $637.

The cheapest time of day to fly to Portland is in the evening when flights can be purchased for as low as $331. In the afternoon is when there is more demand to fly to Portland, so prices are often more expensive at around $377 per ticket.

Fly from Miami to Portland for the best Miami - Portland flight prices

You are more likely to see cheaper flights to Portland from Miami when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $358 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Miami for as low as $235 on momondo.

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

You could potentially save up to 4% on your flight if you consider stops on a Miami to Portland flight.

As of August 2026, prices for Miami to Portland flights are approximately 13% more expensive when compared to flights at the same time last year.

American Airlines, Frontier, and Delta are the most popular carriers operating from Miami to Portland

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to Portland from Miami according to our data. Delta is the first choice among our users, with 39% 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.

Historically, on average around 21% of flights between Miami and Portland have experienced a delay on any given week. The average delay length over the past 12 months has been 197 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Alaska Airlines have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.