Skip to content

Get United's best fares today on flights from Phoenix to Washington from *

Select journey type

Enter to select travel class and passengers

Low fare calendar for flights from Phoenix (PHX) to Washington (IAD)

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
1
2
3
4
5
6
7
8
9
10
11
from
$924*
Viewed:12 hours ago
Economy
Return:12/18/19
12
from
$924*
Viewed:12 hours ago
Economy
Return:12/19/19
13
from
$575*
Viewed:5 hours ago
Economy
Return:12/14/19
14
from
$938*
Viewed:12 hours ago
Economy
Return:12/28/19
15
from
$645*
Viewed:4 hours ago
Economy
Return:12/16/19
16
from
$721*
Viewed:5 hours ago
Economy
Return:12/17/19
17
from
$491*
Viewed:12 hours ago
Economy
Return:12/31/19
18
from
$491*
Viewed:12 hours ago
Economy
Return:01/01/20
19
from
$491*
Viewed:12 hours ago
Economy
Return:01/02/20
20
from
$496*
Viewed:4 hours ago
Economy
Return:01/04/20
21
from
$491*
Viewed:12 hours ago
Economy
Return:01/04/20
22
No available fares
23
from
$491*
Viewed:12 hours ago
Economy
Return:01/06/20
24
from
$355*
Viewed:12 hours ago
Economy
Return:01/07/20
25
from
$355*
Viewed:12 hours ago
Economy
Return:01/01/20
26
from
$355*
Viewed:12 hours ago
Economy
Return:01/09/20
27
from
$391*
Viewed:12 hours ago
Economy
Return:01/03/20
28
from
$416*
Viewed:12 hours ago
Economy
Return:01/04/20
29
from
$662*
Viewed:12 hours ago
Economy
Return:01/12/20
30
from
$497*
Viewed:12 hours ago
Economy
Return:01/06/20
31
from
$364*
Viewed:4 hours ago
Economy
Return:01/04/20
from
$388*
Viewed:12 hours ago
Economy
Return:01/08/20
from
$416*
Viewed:12 hours ago
Economy
Return:01/09/20
from
$425*
Viewed:20 hours ago
Economy
Return:01/06/20
from
$462*
Viewed:12 hours ago
Economy
Return:01/18/20
Lowest PriceToday
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Looking for additional flights from Phoenix to Washington?

FromToDatesFare TypePrice

Phoenix (PHX)

Washington (IAD)

Depart: 03/07/20

Return: 03/14/20

Roundtrip
from
$416*
Viewed:30minutesago

Phoenix (PHX)

Washington (IAD)

Depart: 01/06/20

Return: 01/10/20

Roundtrip
from
$386*
Viewed:2hoursago

Phoenix (PHX)

Washington (IAD)

Depart: 12/23/19

Return: 12/29/19

Roundtrip
from
$562*
Viewed:3hoursago

Phoenix (PHX)

Washington (IAD)

Depart: 04/10/20

Return: 04/12/20

Roundtrip
from
$408*
Viewed:4hoursago

Phoenix (PHX)

Washington (IAD)

Depart: 12/13/19

Return: 12/14/19

Roundtrip
from
$575*
Viewed:5hoursago

Phoenix (PHX)

Washington (IAD)

Depart: 12/16/19

Return: 12/17/19

Roundtrip
from
$721*
Viewed:5hoursago

Phoenix (PHX)

Washington (IAD)

Depart: 01/07/20

Return: 01/10/20

Roundtrip
from
$382*
Viewed:3hoursago

Phoenix (PHX)

Washington (IAD)

Depart: 04/13/20

Return: 04/17/20

Roundtrip
from
$382*
Viewed:3hoursago

Phoenix (PHX)

Washington (IAD)

Depart: 12/15/19

Return: 12/16/19

Roundtrip
from
$645*
Viewed:3hoursago

Phoenix (PHX)

Washington (IAD)

Depart: 01/07/20

Return: 01/22/20

Roundtrip
from
$355*
Viewed:3hoursago

*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in Washington

Tuesday light snow
48°F 12/10/19
Wednesday light snow
36°F 12/11/19
Thursday sky is clear
37°F 12/12/19
Friday heavy intensity rain
39°F 12/13/19
Saturday moderate rain
46°F 12/14/19
Sunday sky is clear
49°F 12/15/19
Monday light snow
41°F 12/16/19
Powered by: OpenWeatherMap.org