Cheap flights from Spokane to Portland from $109

The cheapest month to fly to Portland from Spokane is in January. Flight prices, which tend to average around $207, 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 November to fly from Spokane, when ticket prices are also cheap, with an average price of $207.

The cheapest day to depart on your flight to Portland is on a Friday when prices can be found for as low as $368. 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 $456.

The cheapest time of day to fly to Portland is in the evening when flights can be purchased for as low as $333. In the afternoon is when there is more demand to fly to Portland, so prices are often more expensive at around $502 per ticket.

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

You are more likely to see cheaper flights to Portland from Spokane when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $254 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Spokane for as low as $173 on momondo.

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

Alaska Airlines and Delta are the most popular carriers operating from Spokane to Portland

Alaska Airlines, Hawaiian Airlines and Delta are the top three most popular airlines that fly to Portland from Spokane according to our data. Alaska Airlines is the first choice among our users, with 84% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 3 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

As of March 2026, there are 11 flights per day flying from Spokane to Portland. The most common time of day flights depart is 3:00PM, with 44% of flights taking off in the afternoon.

As of March 2026, 77 flights take off from Spokane and land in Portland each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.