PHX offers short security lines, typically under 10 minutes, with live wait times displayed online for Terminal 4 checkpoints.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $239 (eDestinos) |
One-way from | $131 (Kiwi.com) |
Popular in | January |
Cheapest in | August |
Average price | $457 |
Good round-trip deal | $377 or less |
Good one-way deal | $233 or less |
Fly from
Fly to
Route
Depart
Return
Price
PhoenixWashington, D.C.
PHX - IAD
PHXIAD
Phoenix Sky Harbor Intl
Tue 1/6
4:41 pm-5:04 pm
1 stop22h 23m
Washington, D.C. Dulles Intl
Tue 1/13
5:26 pm-2:00 pm
1 stop22h 34m
PhoenixWashington, D.C.
PHX - IAD
PHXIAD
Phoenix Sky Harbor Intl
Tue 1/13
8:30 am-2:48 pm
Nonstop4h 18m
Washington, D.C. Dulles Intl
Sun 1/18
12:50 pm-4:04 pm
Nonstop5h 14m
PhoenixWashington, D.C.
PHX - IAD
PHXIAD
Phoenix Sky Harbor Intl
Tue 12/9
6:02 am-5:30 pm
1 stop9h 28m
Washington, D.C. Dulles Intl
Fri 12/12
5:37 pm-11:59 pm
1 stop8h 22m
PhoenixWashington, D.C.
PHX - IAD
PHXIAD
Phoenix Sky Harbor Intl
Tue 12/2
7:00 am-3:01 pm
1 stop6h 01m
Washington, D.C. Dulles Intl
Sat 12/6
5:52 pm-9:05 pm
Nonstop5h 13m
PhoenixWashington, D.C.
PHX - IAD
PHXIAD
Phoenix Sky Harbor Intl
Wed 1/21
7:35 pm-4:26 pm
1 stop18h 51m
Washington, D.C. Dulles Intl
Sat 1/31
5:26 pm-10:59 am
1 stop19h 33m
PhoenixWashington, D.C.
PHX - IAD
PHXIAD
Phoenix Sky Harbor Intl
Tue 12/9
7:00 am-5:00 pm
1 stop8h 00m
Washington, D.C. Dulles Intl
Sat 1/10
6:20 am-12:24 pm
1 stop8h 04m
PhoenixWashington, D.C.
PHX - IAD
PHXIAD
Phoenix Sky Harbor Intl
Sat 12/6
2:20 pm-11:29 pm
1 stop7h 09m
Washington, D.C. Dulles Intl
Tue 1/13
12:09 pm-7:15 pm
1 stop9h 06m
PhoenixWashington, D.C.
PHX - IAD
PHXIAD
Phoenix Sky Harbor Intl
Wed 11/19
1:00 pm-11:52 pm
1 stop8h 52m
Washington, D.C. Dulles Intl
Sun 11/23
7:15 am-3:44 pm
1 stop10h 29m
PhoenixWashington, D.C.
PHX - IAD
PHXIAD
Phoenix Sky Harbor Intl
Mon 12/22
11:35 pm-9:46 am
1 stop8h 11m
Washington, D.C. Dulles Intl
Mon 1/5
5:26 pm-10:47 pm
1 stop7h 21m
PhoenixWashington, D.C.
PHX - IAD
PHXIAD
Phoenix Sky Harbor Intl
Sun 11/23
12:59 am-11:07 am
1 stop8h 08m
Washington, D.C. Dulles Intl
Fri 11/28
7:09 am-12:13 pm
1 stop7h 04m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star |
To ensure you get the cheapest price possible for a flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport, you should look to book at least 90 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport (average of $158). Flying from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of $287). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s typically best to fly out from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport in the evening. Doing so could potentially save you 40% on the flight price compared to flying at noon, which is usually more expensive.
Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
About 9% of weekly flights between Phoenix and Washington, D.C. have experienced delays in the past year, with the average delay time being 147 minutes.
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, American Airlines have had the lowest number of delays on this route, with no flights being classified as delayed.
Orlando (MCO) – chosen by Cheapflights users on 75% of 1-stop itineraries from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport on Cheapflights.
Flights via Orlando (MCO) have the shortest average one-way travel time for 1-stop routes: 8h 20m.
Flights via Orlando (MCO) have the shortest average one-way travel time for 1-stop routes: 8h 20m.
Flights via Orlando (MCO) offer the fastest connection on this route, with an average layover time of 1h 18m.
Food
Boarding
Comfort
Entertainment
Overall
Crew
Reviews
Mike,Aug 2025
OKC - AUS
Food
Boarding
Comfort
Entertainment
Overall
Crew
Reviews
Mike,Aug 2025
OKC - AUS
Food
Boarding
Comfort
Entertainment
Overall
Crew
Reviews
Mike,Aug 2025
OKC - AUS
Food
Boarding
Comfort
Entertainment
Overall
Crew
Reviews
Mike,Aug 2025
OKC - AUS
Food
Boarding
Comfort
Entertainment
Overall
Crew
Reviews
Mike,Aug 2025
OKC - AUS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$263 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$236 | Average$391 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$268 | Average$399 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$276 | Average$337 | FlexibilityNo cancel fee | On-timeN/A |