Cheap flights from Miami to Portland from $100

The cheapest month to fly to Portland from Miami is in May. Flight prices, which tend to average around $294, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in May, then you should wait until October to fly from Miami, when ticket prices are also cheap, with an average price of $302.

The cheapest day to depart on your flight to Portland is on a Tuesday when prices can be found for as low as $328. 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 Sunday, with ticket prices averaging around $567.

The cheapest time of day to fly to Portland is in the afternoon when flights can be purchased for as low as $363. In the evening is when there is more demand to fly to Portland, so prices are often more expensive at around $372 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 $355 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 $273 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.

No. A direct flight is the cheapest option for a flight between Miami to Portland.

As of February 2026, prices for Miami to Portland flights are approximately 15% more expensive when compared to flights at the same time last year.

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 41% 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 26% 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 176 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening 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. Saturday 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 22% of their flights experiencing any sort of delay.

Salt Lake City (SLC) was the most common stop: 83% of momondo users choosing 1-stop flights on this route connected there.

Flights via Los Angeles (LAX) offer the lowest average round-trip price of $217.

Flights connecting via Salt Lake City (SLC) have the shortest average one-way travel time: 8h 09m.

Salt Lake City (SLC) has the shortest average layover time for this route: 1h 36m.

The number of flights available between Miami and Portland is 1 per day as of February 2026. The most frequent departure time is 4:00PM, with 40% of daily flights leaving in the afternoon.

The number of flights available between Miami and Portland is 11 per week as of February 2026. The most frequent departure day is Fri, with 27% of weekly flights leaving on this day.