
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $246 (Kiwi.com) |
One-way from | $116 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $432 |
Good round-trip deal | $401 or less |
Good one-way deal | $163 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Phoenix
IAD - PHX
IADPHX
Washington, D.C. Dulles Intl
Mon 3/2
7:30 am-3:47 pm
1 stop10h 17m
Phoenix Sky Harbor Intl
Mon 3/9
8:45 am-11:48 pm
1 stop12h 03m
Washington, D.C.Phoenix
IAD - PHX
IADPHX
Washington, D.C. Dulles Intl
Thu 4/2
7:00 am-2:43 pm
1 stop10h 43m
Phoenix Sky Harbor Intl
Tue 4/7
10:29 pm-9:10 am
1 stop7h 41m
Washington, D.C.Phoenix
IAD - PHX
IADPHX
Washington, D.C. Dulles Intl
Mon 3/2
7:05 am-11:59 pm
1 stop18h 54m
Phoenix Sky Harbor Intl
Mon 3/9
7:22 pm-5:27 pm
1 stop19h 05m
Washington, D.C.Phoenix
IAD - PHX
IADPHX
Washington, D.C. Dulles Intl
Wed 2/25
6:20 pm-11:40 am
1 stop19h 20m
Phoenix Sky Harbor Intl
Sat 2/28
6:00 am-5:20 pm
1 stop9h 20m
Washington, D.C.Phoenix
IAD - PHX
IADPHX
Washington, D.C. Dulles Intl
Fri 2/27
6:27 pm-10:55 pm
1 stop30h 28m
Phoenix Sky Harbor Intl
Mon 3/2
8:20 pm-5:27 pm
1 stop19h 07m
Washington, D.C.Phoenix
IAD - PHX
IADPHX
Washington, D.C. Dulles Intl
Sat 4/4
5:25 pm-10:49 pm
1 stop8h 24m
Phoenix Sky Harbor Intl
Fri 4/10
10:29 pm-10:13 am
1 stop8h 44m
Washington, D.C.Phoenix
IAD - PHX
IADPHX
Washington, D.C. Dulles Intl
Tue 3/31
7:00 am-4:40 pm
1 stop12h 40m
Phoenix Sky Harbor Intl
Mon 4/6
10:29 pm-9:10 am
1 stop7h 41m
Washington, D.C.Phoenix
IAD - PHX
IADPHX
Washington, D.C. Dulles Intl
Sat 4/18
7:05 am-1:54 pm
1 stop9h 49m
Phoenix Sky Harbor Intl
Thu 4/23
11:55 pm-9:15 am
1 stop6h 20m
Washington, D.C.Phoenix
IAD - PHX
IADPHX
Washington, D.C. Dulles Intl
Fri 4/17
7:00 am-2:43 pm
1 stop10h 43m
Phoenix Sky Harbor Intl
Mon 4/20
11:05 pm-10:08 am
1 stop8h 03m
Washington, D.C.Phoenix
IAD - PHX
IADPHX
Washington, D.C. Dulles Intl
Wed 4/1
7:18 am-11:41 am
1 stop7h 23m
Phoenix Sky Harbor Intl
Tue 4/7
11:55 pm-9:10 am
1 stop6h 15m
| 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 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 70 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, February 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 $180). Flying from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport in April 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 Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport in the afternoon. Doing so could potentially save you 23% 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.
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$155 | Average$260 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$254 | Average$388 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$273 | Average$424 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$276 | Average$332 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$366 | Average$498 | FlexibilityNo cancel fee | On-time71% |