Cheap flights from Washington, D.C. to Salt Lake City from $99

In general, August is the cheapest month to fly from Washington, D.C. to Salt Lake City. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $361. If you are unable to visit Salt Lake City during the month of August, then departing from Washington, D.C. during the month September is also very affordable. Most momondo users find prices during this month for around $365.

On average, the least expensive day to fly to Salt Lake City from Washington, D.C. is on a Saturday. momondo users have found tickets for Saturday departures for as low as $408. 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 $494.

Our most recent data shows that the best time of day to fly to Salt Lake City is in the morning. Flights from Washington, D.C. to Salt Lake City during this time can be as low as $423. In the afternoon is when there is more demand to fly to Salt Lake City, so prices are often more expensive at around $458 per ticket.

Fly from Washington, D.C. Dulles Intl to Salt Lake City for the best Washington, D.C. - Salt Lake City flight prices

You are more likely to see cheaper flights to Salt Lake City from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Salt Lake City for around $397 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 Washington, D.C. for as low as $343 on momondo.

There are 4 cabin classes available to choose from on Washington, D.C. 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.

You could potentially save up to 58% on your flight if you consider stops on a Washington, D.C. to Salt Lake City flight.

As of April 2026, prices for Washington, D.C. to Salt Lake City flights are approximately 70% more expensive when compared to flights at the same time last year.

Frontier, Southwest, and Delta are the most popular carriers operating from Washington, D.C. to Salt Lake City

Delta, United Airlines and Southwest are the top three most popular airlines that fly to Salt Lake City from Washington, D.C. according to our data. Delta is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Salt Lake City. Keep in mind that there are 8 different airlines that fly to Salt Lake City on a routine basis, so you have a few additional options to choose from.

Denver (DEN) was the most common stop: 59% of momondo users choosing 1-stop flights on this route connected there.

Flights via Denver (DEN) offer the lowest average round-trip price of $252.

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 7h 05m.

Dallas (DFW) has the shortest average layover time for this route: 1h 18m.

As of April 2026, 8 flights take off from Washington, D.C. and land in Salt Lake City each day. The most common flight departure time for this route is 7:00AM, with 56% of daily flights taking off at noon.

As of April 2026, there are 60 flights per week flying from Washington, D.C. to Salt Lake City. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.