Cheap flights from Spokane to Phoenix from $102

In general, January is the cheapest month to fly from Spokane to Phoenix Sky Harbor Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $248. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of January, then departing from Spokane during the month December is also very affordable. Most momondo users find prices during this month for around $283.

On average, the least expensive day to fly to Phoenix Sky Harbor Intl Airport from Spokane is on a Thursday. momondo users have found tickets for Thursday departures for as low as $359. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $469. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phoenix Sky Harbor Intl Airport.

In the evening is the cheapest time of day to fly from Spokane to Phoenix Sky Harbor Intl Airport when you can find flight prices for as low as $168. Flying to Phoenix Sky Harbor Intl Airport in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $437. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Spokane to Phoenix Sky Harbor Intl for the best Spokane - Phoenix Sky Harbor Intl flight prices

You are more likely to see cheaper flights to Phoenix Sky Harbor Intl Airport from Spokane when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix Sky Harbor Intl Airport for around $354 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix Sky Harbor Intl Airport from Spokane for as low as $295 on momondo.

There are 4 cabin classes available to choose from on Spokane to Phoenix Sky Harbor Intl Airport 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 Phoenix Sky Harbor Intl

American Airlines, Frontier and Southwest are the top three most popular airlines that fly to Phoenix Sky Harbor Intl Airport from Spokane according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Phoenix Sky Harbor Intl Airport. Keep in mind that there are 6 different airlines that fly to Phoenix Sky Harbor Intl Airport on a routine basis, so you have a few additional options to choose from.

Seattle (SEA) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.

Flights via Seattle (SEA) offer the lowest average round-trip price of $228.

Flights connecting via Seattle (SEA) have the shortest average one-way travel time: 6h 00m.

Seattle (SEA) has the shortest average layover time for this route: 1h 15m.

As of September 2026, there are 3 flights per day flying from Spokane to Phoenix Sky Harbor Intl Airport. The most common time of day flights depart is 6:00AM, with 54% of flights taking off at noon.

As of September 2026, 21 flights take off from Spokane and land in Phoenix Sky Harbor Intl Airport each week. The most common flight departure day for this route is Tue, with 29% of weekly flights taking off on this day.