Cheap flights from Salt Lake City to Washington, D.C. from $124

In general, September is the cheapest month to fly from Salt Lake City to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $318. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of September, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $328.

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $417. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Salt Lake City to Washington, D.C. Dulles Intl Airport for around $589.

Flying to Washington, D.C. Dulles Intl Airport from Salt Lake City in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $376 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $547 on average. Flights to Washington, D.C. Dulles Intl Airport from Salt Lake City in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Salt Lake City when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $362 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Salt Lake City for as low as $279 on momondo.

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

Frontier is the most popular carrier operating from Salt Lake City to Washington, D.C. Dulles Intl

United Airlines, Delta and Breeze Airways are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Salt Lake City according to our data. United Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 6 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

Denver (DEN) was the most common stop: 40% of momondo users choosing 1-stop flights on this route connected there.

Flights via Las Vegas (LAS) offer the lowest average round-trip price of $185.

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 6h 30m.

Dallas (DFW) has the shortest average layover time for this route: 1h 50m.

The number of flights available between Salt Lake City and Washington, D.C. Dulles Intl Airport is 4 per day as of March 2026. The most frequent departure time is 5:00PM, with 60% of daily flights leaving in the afternoon.

As of March 2026, 28 flights take off from Salt Lake City and land in Washington, D.C. Dulles Intl Airport each week. The most common flight departure day for this route is Tue, with 18% of weekly flights taking off on this day.