Cheap flights from Denver to Portland from $52

The cheapest month to fly to Portland from Denver is in January. Flight prices, which tend to average around $167, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in January, then you should wait until August to fly from Denver, when ticket prices are also cheap, with an average price of $185.

The cheapest day to depart on your flight to Portland is on a Saturday when prices can be found for as low as $203. 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 $271.

The cheapest time of day to fly to Portland is in the evening when flights can be purchased for as low as $197. In the afternoon is when there is more demand to fly to Portland, so prices are often more expensive at around $270 per ticket.

Fly from Denver Intl to Portland for the best Denver Intl - Portland flight prices

You are more likely to see cheaper flights to Portland from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $209 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Denver for as low as $173 on momondo.

There are 4 cabin classes available to choose from on Denver Intl 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 Denver to Portland.

As of February 2026, prices for Denver to Portland flights are approximately 33% more expensive when compared to flights at the same time last year.

United Airlines and Southwest are the most popular carriers operating from Denver Intl to Portland

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Portland from Denver according to our data. Frontier is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 6 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

The number of flights available between Denver and Portland is 12 per day as of February 2026. The most frequent departure time is 7:00PM, with 40% of daily flights leaving at noon.

As of February 2026, 88 flights take off from Denver and land in Portland each week. The most common flight departure day for this route is Mon, with 22% of weekly flights taking off on this day.