Cheap flights from Washington, D.C. to Phoenix from $121

In general, January 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 $412. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of January, then departing from Washington, D.C. during the month November is also very affordable. Most momondo users find prices during this month for around $444.

On average, the least expensive day to fly to Phoenix Sky Harbor Intl Airport from Washington, D.C. is on a Saturday. momondo users have found tickets for Saturday departures for as low as $483. 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 $585. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phoenix Sky Harbor Intl Airport.

In the afternoon 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 $515. Flying to Phoenix Sky Harbor Intl Airport in the afternoon 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 $578. 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 $479 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 $425 on momondo.

There are 4 cabin classes available to choose from on Washington, D.C. to Phoenix Sky Harbor Intl Airport 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 26% on your flight if you consider stops on a Washington, D.C. to Phoenix Sky Harbor Intl Airport flight.

As of September 2026, prices for Washington, D.C. to Phoenix Sky Harbor Intl Airport flights are approximately 40% more expensive when compared to flights at the same time last year.

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

United Airlines, American Airlines and Southwest 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 36% 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: 46% of momondo users choosing 1-stop flights on this route connected there.

Flights via Houston (IAH) offer the lowest average round-trip price of $229.

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 7h 01m.

Chicago (ORD) has the shortest average layover time for this route: 0h 39m.

As of September 2026, 12 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 6:00PM, with 49% of daily flights taking off in the evening.

As of September 2026, there are 87 flights per week flying from Washington, D.C. to Phoenix Sky Harbor Intl Airport. The most common day of the week flights depart is Sun, with 21% of flights taking off on this day.