Round-trip from | $163 (Cheapflightsfares) |
---|---|
One-way from | $87 (Cheapflightsfares) |
Popular in | March |
Cheapest in | August |
Average price | $378 |
Good round-trip deal | $357 or less |
Good one-way deal | $213 or less |
Fly from
Fly to
Route
Depart
Return
Price
Las VegasWashington, D.C.
LAS - IAD
LASIAD
Las Vegas Harry Reid Intl
Fri 8/15
11:00 pm-6:34 am
Nonstop4h 34m
Washington, D.C. Dulles Intl
Mon 8/18
7:30 am-9:29 am
Nonstop4h 59m
Las VegasWashington, D.C.
LAS - IAD
LASIAD
Las Vegas Harry Reid Intl
Wed 9/17
10:45 pm-6:20 am
Nonstop4h 35m
Washington, D.C. Dulles Intl
Sun 9/21
7:59 pm-9:58 pm
Nonstop4h 59m
Las VegasWashington, D.C.
LAS - IAD
LASIAD
Las Vegas Harry Reid Intl
Thu 10/30
6:00 am-5:13 pm
1 stop8h 13m
Washington, D.C. Dulles Intl
Mon 11/3
5:40 pm-11:33 pm
1 stop8h 53m
Las VegasWashington, D.C.
LAS - IAD
LASIAD
Las Vegas Harry Reid Intl
Fri 9/5
7:47 pm-4:52 pm
1 stop18h 05m
Washington, D.C. Dulles Intl
Mon 9/8
5:52 pm-11:26 pm
1 stop8h 34m
PhoenixWashington, D.C.
PHX - IAD
PHXIAD
Phoenix Sky Harbor Intl
Wed 8/6
7:17 pm-6:34 am
1 stop8h 17m
Washington, D.C. Dulles Intl
Wed 8/13
7:30 am-6:27 pm
1 stop13h 57m
Las VegasWashington, D.C.
LAS - IAD
LASIAD
Las Vegas Harry Reid Intl
Thu 8/28
6:25 pm-12:33 pm
1 stop15h 08m
Washington, D.C. Dulles Intl
Mon 9/1
8:00 am-9:59 am
Nonstop4h 59m
Las VegasWashington, D.C.
LAS - IAD
LASIAD
Las Vegas Harry Reid Intl
Fri 8/22
8:40 am-6:35 pm
1 stop6h 55m
Washington, D.C. Dulles Intl
Sun 8/24
6:00 am-10:24 am
1 stop7h 24m
PhoenixWashington, D.C.
PHX - IAD
PHXIAD
Phoenix Sky Harbor Intl
Fri 10/17
8:02 am-8:46 pm
1 stop9h 44m
Washington, D.C. Dulles Intl
Sun 10/19
8:13 pm-10:56 am
2 stops17h 43m
Las VegasWashington, D.C.
LAS - IAD
LASIAD
Las Vegas Harry Reid Intl
Thu 8/21
9:25 pm-1:20 pm
1 stop12h 55m
Washington, D.C. Dulles Intl
Wed 8/27
2:25 pm-6:05 pm
1 stop6h 40m
PhoenixWashington, D.C.
PHX - IAD
PHXIAD
Phoenix Sky Harbor Intl
Wed 8/27
6:00 am-4:47 pm
1 stop7h 47m
Washington, D.C. Dulles Intl
Wed 9/3
5:52 pm-10:26 pm
1 stop7h 34m
Currently, July is the cheapest month in which you can book a flight from Arizona to Washington, D.C. Dulles Intl Airport (average of $306). Flying from Arizona to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Arizona to Washington, D.C. Dulles Intl Airport as you normally would.
The most flights from USAZ to IAD are scheduled on a Monday (7 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 on average).
Comfort
Overall
Food
Entertainment
Boarding
Crew
Reviews
Jonathan,Jul 2025
SEA - BOS
Comfort
Overall
Food
Entertainment
Boarding
Crew
Reviews
Jonathan,Jul 2025
SEA - BOS
Comfort
Overall
Food
Entertainment
Boarding
Crew
Reviews
Jonathan,Jul 2025
SEA - BOS
Comfort
Overall
Food
Entertainment
Boarding
Crew
Reviews
Jonathan,Jul 2025
SEA - BOS
Comfort
Overall
Food
Entertainment
Boarding
Crew
Reviews
Jonathan,Jul 2025
SEA - BOS
Comfort
Overall
Food
Entertainment
Boarding
Crew
Reviews
Jonathan,Jul 2025
SEA - BOS
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$147 | Average$262 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$244 | Average$366 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$253 | Average$448 | FlexibilityNo cancel fee | On-time63% | |
Cheapest$262 | Average$460 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$326 | Average$418 | FlexibilityNo cancel fee | On-time71% |