For quick check-ins at IAD, note that airline counters are like an island with desks on either side.

Round-trip from | $229 (American Airlines) |
|---|---|
One-way from | $68 (Kiwi.com) |
Popular in | April |
Cheapest in | August |
Average price | $467 |
Fly from
Fly to
Route
Depart
Return
Price
BaltimorePhoenix
BWI - PHX
BWIPHX
Baltimore/Washington
vie. 1/30
4:10 pm-10:59 pm
1 stop8h 49m
Phoenix Sky Harbor Intl
mar. 2/3
6:45 am-3:04 pm
1 stop6h 19m
BaltimorePhoenix
BWI - PHX
BWIPHX
Baltimore/Washington
jue. 1/29
3:52 pm-10:14 pm
1 stop8h 22m
Phoenix Sky Harbor Intl
sáb. 1/31
12:56 pm-11:15 pm
1 stop8h 19m
BaltimorePhoenix
BWI - PHX
BWIPHX
Baltimore/Washington
lun. 2/9
10:05 am-7:45 pm
2 stops11h 40m
Phoenix Sky Harbor Intl
sáb. 2/14
12:35 pm-9:17 pm
1 stop6h 42m
BaltimorePhoenix
BWI - PHX
BWIPHX
Baltimore/Washington
sáb. 4/18
12:40 pm-6:05 pm
1 stop8h 25m
Phoenix Sky Harbor Intl
mié. 4/22
10:35 am-11:31 pm
2 stops9h 56m
Washington, D.C.Phoenix
DCA - PHX
DCAPHX
Washington, D.C. Reagan-National
sáb. 5/9
12:25 pm-8:55 pm
1 stop11h 30m
Phoenix Sky Harbor Intl
mar. 5/12
10:10 pm-11:37 am
1 stop10h 27m
Washington, D.C.Phoenix
DCA - PHX
DCAPHX
Washington, D.C. Reagan-National
dom. 2/22
6:00 am-3:41 pm
1 stop11h 41m
Phoenix Sky Harbor Intl
mié. 3/4
10:29 pm-11:00 am
1 stop10h 31m
Washington, D.C.Phoenix
DCA - PHX
DCAPHX
Washington, D.C. Reagan-National
lun. 2/23
6:00 am-3:41 pm
1 stop11h 41m
Phoenix Sky Harbor Intl
mar. 3/3
10:29 pm-9:07 am
1 stop8h 38m
Washington, D.C.Phoenix
DCA - PHX
DCAPHX
Washington, D.C. Reagan-National
mar. 2/24
6:00 am-3:41 pm
1 stop11h 41m
Phoenix Sky Harbor Intl
mar. 3/3
10:29 pm-11:00 am
1 stop10h 31m
Washington, D.C.Phoenix
IAD - PHX
IADPHX
Washington, D.C. Dulles Intl
sáb. 2/14
5:25 pm-11:42 pm
1 stop8h 17m
Phoenix Sky Harbor Intl
mié. 2/18
11:55 am-8:45 pm
1 stop6h 50m
BaltimorePhoenix
BWI - PHX
BWIPHX
Baltimore/Washington
mar. 4/21
7:00 pm-10:56 pm
1 stop6h 56m
Phoenix Sky Harbor Intl
sáb. 5/2
10:00 am-8:36 pm
1 stop7h 36m
The best time to book flights from Washington, D.C. to Phoenix is 58 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, December is the cheapest month in which you can book a flight from Washington, D.C. to Phoenix (average of $89). Flying from Washington, D.C. to Phoenix in June is currently the most expensive (average of $250). 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.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 33% on flights from Washington, D.C. to Phoenix by exploring options for tickets at noon.
Travelers seeking maximum savings on their Washington, D.C. to Phoenix flight should consider departing on Saturday mornings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Food
Overall
Entertainment
Comfort
Crew
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Food
Overall
Entertainment
Comfort
Crew
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Food
Overall
Entertainment
Comfort
Crew
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Food
Overall
Entertainment
Comfort
Crew
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Food
Overall
Entertainment
Comfort
Crew
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Food
Overall
Entertainment
Comfort
Crew
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$100 | Average$210 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$131 | Average$263 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$226 | Average$421 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$241 | Average$398 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$258 | Average$416 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$276 | Average$336 | FlexibilityNo cancel fee | On-timeN/A |