Cheap flights from Seattle to Utah from $143

The cheapest month to fly to Utah from Seattle is in December. Flight prices, which tend to average around $207, are often lower during this time because this is during the off-season. If you aren’t able to travel to Utah during the month of December, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $207.

The cheapest day to depart on your flight to Utah is on a Friday when prices can be found for as low as $281. 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 Utah is Sunday, with ticket prices averaging around $404.

Our data shows that the cheapest Seattle to Utah flights are usually those with departure times in the afternoon. Our users have found flights to Utah in the afternoon for as low as $221. Flights to Utah are more costly in the morning, with an average ticket price of $340. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Utah from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Utah for around $247 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Utah from Seattle for as low as $190 on momondo.

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

Frontier, Alaska Airlines, and Southwest are the most popular carriers operating from Seattle/Tacoma Intl to Utah

Alaska Airlines, Delta and Frontier are the top three most popular airlines that fly to Utah from Seattle according to our data. Alaska Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Utah. Keep in mind that there are 5 different airlines that fly to Utah on a routine basis, so you have a few additional options to choose from.

As of July 2026, 35 flights take off from Seattle and land in Utah each day. The most common flight departure time for this route is 7:00PM, with 43% of daily flights taking off in the afternoon.

As of July 2026, there are 247 flights per week flying from Seattle to Utah. The most common day of the week flights depart is Wed, with 16% of flights taking off on this day.