Cheap flights from Kansas City to Portland from $148

The cheapest month to fly to Portland from Kansas City is in February. Flight prices, which tend to average around $197, 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 January to fly from Kansas City, when ticket prices are also cheap, with an average price of $237.

The cheapest day to depart on your flight to Portland is on a Tuesday when prices can be found for as low as $307. 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 $422.

The cheapest time of day to fly to Portland is in the afternoon when flights can be purchased for as low as $353. In the morning is when there is more demand to fly to Portland, so prices are often more expensive at around $867 per ticket.

Fly from Kansas City to Portland for the best Kansas City - Portland flight prices

You are more likely to see cheaper flights to Portland from Kansas City when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $329 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Kansas City for as low as $299 on momondo.

There are 4 cabin classes available to choose from on Kansas City 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 Kansas City to Portland.

As of August 2026, prices for Kansas City to Portland flights are approximately 26% more expensive when compared to flights at the same time last year.

Frontier, United Airlines, and Alaska Airlines are the most popular carriers operating from Kansas City to Portland

Alaska Airlines, Southwest and Delta are the top three most popular airlines that fly to Portland from Kansas City according to our data. Alaska Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 4 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

Denver (DEN) 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 $329.

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 5h 50m.

Las Vegas (LAS) has the shortest average layover time for this route: 0h 58m.