Cheap flights from Washington, D.C. to Phoenix from $84

If you are unable to visit Phoenix during the month of August, then departing from Washington, D.C. during the month July is also very affordable. Most momondo users find prices during this month for around $355.

On average, the least expensive day to fly to Phoenix from Washington, D.C. is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $427. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $509.

The cheapest time of day to fly to Phoenix is in the afternoon when flights can be purchased for as low as $440. In the evening is when there is more demand to fly to Phoenix, so prices are often more expensive at around $539 per ticket.

Fly from Washington, D.C. Dulles Intl to Phoenix Sky Harbor Intl for the best Washington, D.C. - Phoenix flight prices

You are more likely to see cheaper flights to Phoenix from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix for around $417 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix from Washington, D.C. for as low as $308 on momondo.

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

Frontier, United Airlines, and Alaska Airlines are the most popular carriers operating from Washington, D.C. to Phoenix

United Airlines, Southwest and American Airlines are the top three most popular airlines that fly to Phoenix from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Phoenix. Keep in mind that there are 7 different airlines that fly to Phoenix on a routine basis, so you have a few additional options to choose from.

As of February 2026, 17 flights take off from Washington, D.C. and land in Phoenix each day. The most common flight departure time for this route is 5:00PM, with 61% of daily flights taking off in the afternoon.

As of February 2026, there are 123 flights per week flying from Washington, D.C. to Phoenix. The most common day of the week flights depart is Thu, with 22% of flights taking off on this day.