Cheap flights from Washington, D.C. Dulles Intl Airport to Salt Lake City from $142

In general, November is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Salt Lake City. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $339. If you are unable to visit Salt Lake City during the month of November, then departing from Washington, D.C. Dulles Intl Airport during the month July is also very affordable. Most momondo users find prices during this month for around $359.

On average, the least expensive day to fly to Salt Lake City from Washington, D.C. Dulles Intl Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $411. 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 $491.

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. Dulles Intl Airport to Salt Lake City during this time can be as low as $421. In the afternoon is when there is more demand to fly to Salt Lake City, so prices are often more expensive at around $474 per ticket.

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

You are more likely to see cheaper flights to Salt Lake City from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Salt Lake City for around $411 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. Dulles Intl Airport for as low as $333 on momondo.

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl 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 22% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Salt Lake City flight.

As of February 2026, prices for Washington, D.C. Dulles Intl Airport to Salt Lake City flights are approximately 64% more expensive when compared to flights at the same time last year.

Southwest, Alaska Airlines, and Delta are the most popular carriers operating from Washington, D.C. Dulles Intl 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. Dulles Intl Airport according to our data. Delta is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Salt Lake City. Keep in mind that there are 7 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: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Seattle (SEA) offer the lowest average round-trip price of $405.

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 6h 58m.

Denver (DEN) has the shortest average layover time for this route: 1h 26m.

As of February 2026, 4 flights take off from Washington, D.C. Dulles Intl Airport and land in Salt Lake City each day. The most common flight departure time for this route is 7:00AM, with 51% of daily flights taking off at noon.

As of February 2026, there are 33 flights per week flying from Washington, D.C. Dulles Intl Airport to Salt Lake City. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.