$172 Find Cheap Flights from Phoenix to Washington Dulles Airport - Compare and Save

Among airlines operating Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport flights:

• United Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only United Airlines operates flights between Phoenix Sky Harbor Intl Airport and Washington, D.C. Dulles Intl Airport.

Flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport usually depart from Phoenix Sky Harbor Intl (PHX) and arrive at Washington, D.C. Dulles Intl (IAD).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class
• JetBlue: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Two cabin classes are available on flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport:

• Economy Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $263 round-trip via Orlando (MCO), compared to $507 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737 MAX 9 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

One-stop flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) - 46% of one-stop connections
• Charlotte Douglas (CLT) - 14% of one-stop connections
• San Diego (SAN) - 13% of one-stop connections
• Orlando (MCO) - 7% of one-stop connections

Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 36% on the Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport route. Wednesday is the cheapest departure day at $410 round-trip on average, while Sunday is the most expensive at $638, a difference of $228. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport route, 10% of flights were delayed in the past 3 months, with delays averaging 1 hour 58 minutes.

Morning is the busiest departure period on Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport flights, with 50% of flights leaving in that window. Afternoon departures account for 50%, evening flights for 0%, and night flights for 0%.

Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

These are the earliest and latest flight times available from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport:

• Earliest: departs at 7:50 am and lands at 12:09 pm
• Latest: departs at 11:59 pm and lands at 4:18 am.

The flight takes about 4h 19m.

Last-minute fares on this route - booked within 2 weeks of departure - run 41% above the route average of $471. Book 24 weeks before departure for the lowest fares.

A nonstop flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport takes 4h 19m, covering 1,950 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $281 to $2,679. That means the highest observed fare was about 10x higher than the lowest one.

One-way fares from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $181, which is 33% below the typical average for this route.

Night flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Charlotte Douglas (CLT) gives the shortest average 1-stop total travel time at 6h 59m, compared with 7h 08m via Denver Intl (DEN) and 7h 13m via Houston George Bush Intcntl (IAH).

Washington, D.C. Dulles Intl Airport is 3 hours ahead of Phoenix Sky Harbor Intl Airport (Eastern Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:
• Dollar
• Budget
• Hertz
• Sixt
• Thrifty

Round-trip flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport range from $371 to $606, with an average of $471 over the past 12 months. Anything below $371 counts as a good deal.

JetBlue is the only airline on the Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport route offering in-flight Wi-Fi. Pricing depends on fare class.