Cheap flights from Portland to Spokane from $89

The month of January is, on average, the cheapest month to fly to Spokane from Portland, with most prices found around $187. If you’re not able to fly to Spokane in January, then May is your next best option. Flight prices from Portland to Spokane during May average around $257.

The cheapest day to depart on your flight to Spokane is on a Saturday when prices can be found for as low as $267. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday is the most expensive day to depart from Portland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $398.

According to our data, the cheapest time of day to fly to Spokane is in the morning. momondo users have found flights departing from Portland to Spokane in the morning for as low as $296. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets at noon because they tend to be around $367. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Spokane from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Spokane for around $306 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Spokane from Portland for as low as $158 on momondo.

There are 4 cabin classes available to choose from on Portland to Spokane 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 36% on your flight if you consider stops on a Portland to Spokane flight.

As of November 2026, prices for Portland to Spokane flights are approximately 34% more expensive when compared to flights at the same time last year.

The number of flights available between Portland and Spokane is 3 per day as of November 2026. The most frequent departure time is 9:00PM, with 36% of daily flights leaving at noon.

As of November 2026, 21 flights take off from Portland and land in Spokane each week. The most common flight departure day for this route is Sun, with 33% of weekly flights taking off on this day.