Cheap flights from Seattle to Salt Lake City from $139

In general, December is the cheapest month to fly from Seattle to Salt Lake City. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $200. If you are unable to visit Salt Lake City during the month of December, then departing from Seattle during the month March is also very affordable. Most momondo users find prices during this month for around $200.

On average, the least expensive day to fly to Salt Lake City from Seattle is on a Friday. momondo users have found tickets for Friday departures for as low as $292. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Salt Lake City on Sunday is $413.

Our most recent data shows that the best time of day to fly to Salt Lake City is in the afternoon. Flights from Seattle to Salt Lake City during this time can be as low as $237. In the morning is when there is more demand to fly to Salt Lake City, so prices are often more expensive at around $348 per ticket.

Fly from Seattle/Tacoma Intl to Salt Lake City for the best Seattle/Tacoma Intl - Salt Lake City flight prices

You are more likely to see cheaper flights to Salt Lake City from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Salt Lake City for around $255 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Salt Lake City from Seattle for as low as $195 on momondo.

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

No. A direct flight is the cheapest option for a flight between Seattle to Salt Lake City.

As of August 2026, prices for Seattle to Salt Lake City flights are approximately 14% more expensive when compared to flights at the same time last year.

Southwest, Alaska Airlines, and Delta are the most popular carriers operating from Seattle/Tacoma Intl to Salt Lake City

Alaska Airlines, Delta and Frontier are the top three most popular airlines that fly to Salt Lake City from Seattle according to our data. Alaska Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Salt Lake City. Keep in mind that there are 4 different airlines that fly to Salt Lake City on a routine basis, so you have a few additional options to choose from.

As of August 2026, 20 flights take off from Seattle and land in Salt Lake City each day. The most common flight departure time for this route is 7:00PM, with 29% of daily flights taking off at noon.

141 flights are operational weekly from Seattle to Salt Lake City as of August 2026. The most popular departure day for this route is Tue, with 23% of flights per week taking off on this day.