Cheap flights from Spokane to Portland from $89

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 May 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 $367. 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 Monday, with ticket prices averaging around $431.

The cheapest time of day to fly to Portland is in the evening when flights can be purchased for as low as $317. At noon is when there is more demand to fly to Portland, so prices are often more expensive at around $508 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 $245 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 $165 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.

You could potentially save up to 15% on your flight if you consider stops on a Spokane to Portland flight.

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

As of February 2026, there are 7 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 February 2026, 54 flights take off from Spokane and land in Portland each week. The most common flight departure day for this route is Mon, with 19% of weekly flights taking off on this day.