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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
$250
Frontier Airlines• 1 stop • 30h 8mApr 15 – Apr 18
The cheapest round trip flight from Denver International to Washington Dulles International is currently $250
Cheapest One way Flight
$530
United Airlines• 2 stops• 9h 10mMar 27
The cheapest one way flight from South Bend Regional to Washington Dulles International is currently $530
Cheapest Direct Flight
$177
Southwest Airlines• nonstop• 5h 30mApr 15
The cheapest nonstop flight from Denver International to Washington Dulles International is currently $177
Fastest Flight
5h 29m
The fastest nonstop flight from Denver International to Washington Dulles International takes 5h 29m
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.
Apr 15 - Apr 18, Economy
Denver → Washington
30h 8m
3:32 PM - 11:40 AM • 1 stop
Denver → Washington
11h 49m
7:05 AM - 12:14 PM • 1 stop
Frontier Airlines
Apr 15 - Apr 18, Economy
Denver → Washington
10h
3:59 PM - 11:59 PM • 1 stop
Denver → Washington
10h 14m
6:25 AM - 10:39 AM • 1 stop
American Airlines
Apr 15 - Apr 18, Economy
Denver → Washington
5h 30m
3:55 PM - 9:25 PM • nonstop
Denver → Washington
6h 49m
10:35 PM - 12:44 AM • nonstop
United Airlines
Apr 15 - Apr 18, Economy
Denver → Washington
5h 35m
5:59 PM - 11:34 PM • nonstop
Denver → Washington
6h 45m
12:38 PM - 2:43 PM • nonstop
United Airlines
Apr 15 - Apr 18, Economy
Denver → Washington
10h 4m
2:59 PM - 11:03 PM • 1 stop
Denver → Washington
13h 37m
11:04 AM - 5:21 PM • 1 stop
Delta 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.
Mar 04 - Mar 06, Economy
Brunswick → Washington
9h 12m
12:45 PM - 6:37 PM • 1 stop
Brunswick → Washington
38h 54m
12:24 PM - 11:58 AM • 2 stops
Delta Airlines
Mar 04 - Mar 06, Economy
Brunswick → Washington
10h 37m
5:44 PM - 12:21 AM • 1 stop
Brunswick → Washington
38h 54m
12:24 PM - 11:58 AM • 2 stops
Delta Airlines
Mar 04 - Mar 06, Economy
Brunswick → Washington
6h 44m
7:31 AM - 11:35 AM • 1 stop
Brunswick → Washington
26h 46m
7:52 PM - 11:58 AM • 2 stops
Delta Airlines
Mar 04 - Mar 06, Economy
Brunswick → Washington
9h 12m
12:45 PM - 6:37 PM • 1 stop
Brunswick → Washington
10h 51m
10:08 AM - 4:59 PM • 1 stop
Delta Airlines
Mar 04 - Mar 06, Economy
Brunswick → Washington
6h 44m
7:31 AM - 11:35 AM • 1 stop
Brunswick → Washington
9h
3:42 PM - 9:22 PM • 1 stop
Delta 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.
Apr 15 - Apr 18, Economy
Denver → Washington
5h 30m
6:10 PM - 11:40 PM • nonstop
Denver → Washington
5h 50m
5:50 AM - 7:40 AM • nonstop
Southwest Airlines
Apr 15 - Apr 18, Economy
Denver → Washington
5h 31m
6:00 AM - 11:31 AM • nonstop
Denver → Washington
6h 49m
10:35 PM - 12:44 AM • nonstop
United Airlines
Apr 15 - Apr 18, Economy
Denver → Washington
5h 35m
5:59 PM - 11:34 PM • nonstop
Denver → Washington
6h 49m
10:35 PM - 12:44 AM • nonstop
United Airlines
Apr 15 - Apr 18, Economy
Denver → Washington
5h 30m
1:30 PM - 7:00 PM • nonstop
Denver → Washington
6h 49m
5:20 PM - 7:29 PM • nonstop
United Airlines
Apr 15 - Apr 18, Economy
Denver → Washington
5h 30m
3:55 PM - 9:25 PM • nonstop
Denver → Washington
6h 49m
5:20 PM - 7:29 PM • 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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