Cheap flights from Washington, D.C. to Phoenix from $87

In general, August is the cheapest month to fly from Washington, D.C. to Phoenix Sky Harbor Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $318. If you are unable to visit Phoenix Sky Harbor Intl Airport 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 $349.

On average, the least expensive day to fly to Phoenix Sky Harbor Intl Airport from Washington, D.C. is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $429. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $510. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phoenix Sky Harbor Intl Airport.

At noon is the cheapest time of day to fly from Washington, D.C. to Phoenix Sky Harbor Intl Airport when you can find flight prices for as low as $435. Flying to Phoenix Sky Harbor Intl Airport at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $539. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Phoenix Sky Harbor Intl Airport from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix Sky Harbor Intl Airport for around $419 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl 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 2% on your flight if you consider stops on a Washington, D.C. to Phoenix Sky Harbor Intl Airport flight.

As of March 2026, prices for Washington, D.C. to Phoenix Sky Harbor Intl Airport flights are approximately 23% cheaper when compared to flights at the same time last year.

Delta, Alaska Airlines, and United Airlines are the most popular carriers operating from Washington, D.C. to Phoenix Sky Harbor Intl

United Airlines, Southwest and American Airlines are the top three most popular airlines that fly to Phoenix Sky Harbor Intl Airport from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Phoenix Sky Harbor Intl Airport. Keep in mind that there are 7 different airlines that fly to Phoenix Sky Harbor Intl Airport 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 Las Vegas (LAS) offer the lowest average round-trip price of $95.

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 7h 07m.

Charlotte (CLT) has the shortest average layover time for this route: 1h 05m.

As of March 2026, 13 flights take off from Washington, D.C. and land in Phoenix Sky Harbor Intl Airport each day. The most common flight departure time for this route is 5:00PM, with 54% of daily flights taking off in the afternoon.

As of March 2026, there are 91 flights per week flying from Washington, D.C. to Phoenix Sky Harbor Intl Airport. The most common day of the week flights depart is Tue, with 20% of flights taking off on this day.