
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $281 (CheapOair) |
One-way from | $124 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $433 |
Good round-trip deal | $443 or less |
Good one-way deal | $223 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Phoenix
IAD - PHX
IADPHX
Washington, D.C. Dulles Intl
Sat 4/11
8:50 am-10:59 am
Nonstop5h 09m
Phoenix Sky Harbor Intl
Tue 4/14
12:37 pm-10:44 pm
1 stop7h 07m
Washington, D.C.Phoenix
IAD - PHX
IADPHX
Washington, D.C. Dulles Intl
Tue 3/10
7:05 am-10:42 pm
2 stops18h 37m
Phoenix Sky Harbor Intl
Tue 3/17
3:27 pm-5:22 pm
1 stop22h 55m
Washington, D.C.Phoenix
IAD - PHX
IADPHX
Washington, D.C. Dulles Intl
Wed 4/22
5:27 pm-10:42 pm
1 stop8h 15m
Phoenix Sky Harbor Intl
Wed 4/29
11:55 pm-9:15 am
1 stop6h 20m
Washington, D.C.Phoenix
IAD - PHX
IADPHX
Washington, D.C. Dulles Intl
Tue 4/7
5:32 pm-9:54 pm
1 stop7h 22m
Phoenix Sky Harbor Intl
Wed 4/8
10:30 pm-9:10 am
1 stop7h 40m
Washington, D.C.Phoenix
IAD - PHX
IADPHX
Washington, D.C. Dulles Intl
Mon 3/9
7:05 am-8:00 pm
1 stop15h 55m
Phoenix Sky Harbor Intl
Tue 3/10
7:20 am-5:27 pm
1 stop7h 07m
Washington, D.C.Phoenix
IAD - PHX
IADPHX
Washington, D.C. Dulles Intl
Wed 4/1
6:22 pm-11:27 pm
1 stop8h 05m
Phoenix Sky Harbor Intl
Wed 4/15
7:00 am-5:22 pm
1 stop7h 22m
Washington, D.C.Phoenix
IAD - PHX
IADPHX
Washington, D.C. Dulles Intl
Mon 3/23
3:35 pm-9:14 pm
1 stop8h 39m
Phoenix Sky Harbor Intl
Wed 3/25
12:51 pm-12:27 am
1 stop8h 36m
Washington, D.C.Phoenix
IAD - PHX
IADPHX
Washington, D.C. Dulles Intl
Tue 3/10
12:47 pm-5:35 pm
1 stop7h 48m
Phoenix Sky Harbor Intl
Mon 3/16
10:30 pm-9:10 am
1 stop7h 40m
Washington, D.C.Phoenix
IAD - PHX
IADPHX
Washington, D.C. Dulles Intl
Thu 4/30
7:10 am-10:31 pm
2 stops18h 21m
Phoenix Sky Harbor Intl
Tue 5/5
11:20 am-5:41 pm
1 stop27h 21m
Washington, D.C.Phoenix
IAD - PHX
IADPHX
Washington, D.C. Dulles Intl
Wed 4/29
5:37 pm-7:49 pm
Nonstop5h 12m
Phoenix Sky Harbor Intl
Tue 5/5
11:47 pm-7:06 am
Nonstop4h 19m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport (average of $189). Flying from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport in April is currently the most expensive (average of $288). 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 Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport in the afternoon. Doing so could potentially save you 24% on the flight price compared to flying in the evening, which is usually more expensive.
Orlando (MCO) – chosen by Cheapflights users on 67% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport on Cheapflights.
Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $218.
Flights via Las Vegas (LAS) have the shortest average one-way travel time for 1-stop routes: 7h 54m.
Flights via Las Vegas (LAS) offer the fastest connection on this route, with an average layover time of 3h 04m.
Comfort
Boarding
Entertainment
Food
Overall
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Boarding
Entertainment
Food
Overall
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Boarding
Entertainment
Food
Overall
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Boarding
Entertainment
Food
Overall
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Boarding
Entertainment
Food
Overall
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Boarding
Entertainment
Food
Overall
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$163 | Average$261 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$176 | Average$332 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$256 | Average$401 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$272 | Average$432 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$366 | Average$498 | FlexibilityNo cancel fee | On-time71% |