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Good to Know: Flights to IAD
Useful information for finding cheap flights to Washington Dulles International and booking your next trip
Cheapest Round Trip Flight
$217
Alaska Airlines• 1 stop • 13h 24mMay 09 – May 13
The cheapest round trip flight from Phoenix Sky Harbor International to Washington Dulles International is currently $217
Cheapest One way Flight
$412
United Airlines• 1 stop• 7h 28mMay 03
The cheapest one way flight from Toronto Pearson International to Washington Dulles International is currently $412
Cheapest Direct Flight
$517
Southwest Airlines• nonstop• 7hMay 09
The cheapest nonstop flight from Phoenix Sky Harbor International to Washington Dulles International is currently $517
Fastest Flight
5h 15m
The fastest nonstop flight from Denver International to Washington Dulles International takes 5h 15m
Best Flight Deals to Washington
Identify the most efficient round-trip flights to Washington. We present options balancing cost and convenience for your return journey.
May 09 - May 13, Economy
Phoenix → Washington
13h 24m
6:37 AM - 5:41 PM • 1 stop
Phoenix → Washington
15h 42m
8:59 AM - 3:41 PM • 1 stop
Alaska Airlines
May 09 - May 13, Economy
Phoenix → Washington
7h
7:45 AM - 3:05 PM • nonstop
Phoenix → Washington
10h 35m
11:40 AM - 3:15 PM • 1 stop
Southwest Airlines
May 09 - May 13, Economy
Phoenix → Washington
10h 45m
6:40 AM - 4:25 PM • 1 stop
Phoenix → Washington
8h 30m
5:30 PM - 7:40 PM • nonstop
Southwest Airlines
May 09 - May 13, Economy
Phoenix → Washington
10h 30m
1:25 PM - 10:55 PM • 1 stop
Phoenix → Washington
8h 30m
5:30 PM - 7:40 PM • nonstop
Southwest Airlines
May 09 - May 13, Economy
Phoenix → Washington
7h
7:45 AM - 3:05 PM • nonstop
Phoenix → Washington
8h 35m
7:40 PM - 9:55 PM • nonstop
Southwest Airlines
For travel requiring no set return, access available one-way flights to Washington (IAD). These options support extended stays or open-ended plans.
Need to travel to Washington soon? View current last-minute flight options to IAD for spontaneous or pressing plans.
Apr 28 - Apr 30, Economy
Phoenix → Washington
13h 58m
12:58 PM - 12:36 AM • 1 stop
Phoenix → Washington
14h 2m
6:00 PM - 11:42 PM • 1 stop
Frontier Airlines
Apr 28 - Apr 30, Economy
Phoenix → Washington
13h 24m
6:37 AM - 5:41 PM • 1 stop
Phoenix → Washington
15h 2m
8:59 AM - 3:01 PM • 1 stop
Alaska Airlines
Apr 28 - Apr 30, Economy
Phoenix → Washington
7h 6m
7:35 AM - 3:01 PM • nonstop
Phoenix → Washington
8h 30m
9:00 AM - 11:10 AM • nonstop
United Airlines
Apr 28 - Apr 30, Economy
Phoenix → Washington
7h 4m
1:23 PM - 8:47 PM • nonstop
Phoenix → Washington
8h 30m
1:05 PM - 3:15 PM • nonstop
United Airlines
Apr 24 - Apr 25, Economy
Denver → Washington
15h 20m
6:20 PM - 5:40 AM • 1 stop
Denver → Washington
12h 26m
5:59 PM - 11:45 PM • 1 stop
American Airlines
Maximize your time in Washington, not in transit. Discover non-stop direct flights to IAD for the quickest, most straightforward journey to the Strip.
May 09 - May 13, Economy
Phoenix → Washington
7h
7:45 AM - 3:05 PM • nonstop
Phoenix → Washington
8h 30m
5:30 PM - 7:40 PM • nonstop
Southwest Airlines
Apr 28 - Apr 30, Economy
Phoenix → Washington
7h 6m
7:35 AM - 3:01 PM • nonstop
Phoenix → Washington
8h 30m
9:00 AM - 11:10 AM • nonstop
United Airlines
Apr 28 - Apr 30, Economy
Phoenix → Washington
7h 4m
1:23 PM - 8:47 PM • nonstop
Phoenix → Washington
8h 30m
1:05 PM - 3:15 PM • nonstop
United Airlines
Apr 24 - Apr 25, Economy
Denver → Washington
5h 15m
7:05 PM - 12:20 AM • nonstop
Denver → Washington
5h 50m
5:50 AM - 7:40 AM • nonstop
Southwest Airlines
Apr 24 - Apr 25, Economy
Denver → Washington
5h 29m
11:59 PM - 5:28 AM • nonstop
Denver → Washington
6h 45m
8:25 AM - 10:30 AM • nonstop
United Airlines
Destination Airport Information
| IATA Code | IAD |
| Name | Washington Dulles International |
| City | Washington |
| Country | US |
| Latitude | 38.94449996948242 |
| Longitude | -77.45580291748047 |
Popular Airlines
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