Cheap flights from Spokane to Seattle from $119

In general, February is the cheapest month to fly from Spokane to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $158. If you don’t want to visit Seattle in February, then you should wait until January to fly from Spokane, when ticket prices are also cheap, with an average price of $158.

On average, the least expensive day to fly to Seattle from Spokane is on a Friday. momondo users have found tickets for Friday departures for as low as $398. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Spokane because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $522.

Flying to Seattle from Spokane in the evening is the least expensive time of day to depart. momondo users have found prices as low as $439 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $459. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Spokane to Seattle/Tacoma Intl for the best Spokane - Seattle/Tacoma Intl flight prices

You are more likely to see cheaper flights to Seattle from Spokane when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $211 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Spokane for as low as $151 on momondo.

There are 4 cabin classes available to choose from on Spokane to Seattle 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 Seattle/Tacoma Intl

Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to Seattle from Spokane according to our data. Alaska Airlines is the first choice among our users, with 67% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

The number of flights available between Spokane and Seattle is 29 per day as of May 2026. The most frequent departure time is 5:00PM, with 48% of daily flights leaving in the afternoon.

The number of flights available between Spokane and Seattle is 203 per week as of May 2026. The most frequent departure day is Sat, with 24% of weekly flights leaving on this day.