Lowest Prices
Find the lowest IAD airfares by comparing hundreds of airlines and agencies.
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
$262
United Airlines• nonstop • Apr 24 – Apr 27
The cheapest round trip flight from Buffalo Niagara International to Washington Dulles International is currently $262
Cheapest One way Flight
$388
Delta Airlines• 1 stop• 8h 59mApr 20
The cheapest one way flight from Raleigh Durham International to Washington Dulles International is currently $388
Cheapest Direct Flight
$374
American Airlines• nonstop• 2h 7mApr 23
The cheapest nonstop flight from Buffalo Niagara International to Washington Dulles International is currently $374
Fastest Flight
2h
The fastest nonstop flight from Buffalo Niagara International to Washington Dulles International takes 2h
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 24 - Apr 27, Economy
Buffalo → Washington
- • nonstop
Buffalo → Washington
- • 1 stop
United Airlines
Apr 24 - Apr 27, Economy
Buffalo → Washington
7h 28m
7:00 AM - 11:48 AM • 1 stop
Buffalo → Washington
10h 23m
5:10 PM - 11:33 PM • 1 stop
United Airlines
Apr 24 - Apr 27, Economy
Buffalo → Washington
2h 6m
6:09 AM - 7:35 AM • nonstop
Buffalo → Washington
14h 12m
6:00 AM - 2:52 PM • 1 stop
United Airlines
Apr 24 - Apr 27, Economy
Buffalo → Washington
8h 25m
7:00 AM - 12:05 PM • 1 stop
Buffalo → Washington
12h 27m
11:04 AM - 6:51 PM • 1 stop
Delta Airlines
Apr 24 - Apr 27, Economy
Buffalo → Washington
15h 3m
7:00 AM - 4:03 PM • 1 stop
Buffalo → Washington
10h 58m
6:15 AM - 1:13 PM • 1 stop
United 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 14 - Apr 17, Economy
Miami → Washington
10h 27m
6:15 PM - 12:42 AM • 1 stop
Miami → Washington
8h 55m
7:19 PM - 12:54 AM • 1 stop
Delta Airlines
Apr 14 - Apr 17, Economy
Miami → Washington
4h 9m
6:00 PM - 8:49 PM • nonstop
Miami → Washington
4h 16m
8:35 AM - 11:31 AM • nonstop
United Airlines
Apr 14 - Apr 17, Economy
Miami → Washington
4h 9m
6:00 PM - 8:49 PM • nonstop
Miami → Washington
25h 59m
5:41 PM - 9:40 AM • 1 stop
United Airlines
Apr 14 - Apr 17, Economy
Miami → Washington
57h 2m
6:00 PM - 4:22 AM • 3 stops
Miami → Washington
45h 32m
8:19 PM - 11:51 PM • 1 stop
Avianca
Apr 14 - Apr 17, Economy
Miami → Washington
32h 26m
6:29 PM - 2:15 PM • 2 stops
Miami → Washington
42h 1m
8:19 PM - 9:40 PM • 1 stop
Copa 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 23 - Apr 26, Economy
Buffalo → Washington
2h 7m
5:30 AM - 6:57 AM • nonstop
Buffalo → Washington
2h 8m
8:32 AM - 10:00 AM • nonstop
American Airlines
Apr 24 - Apr 27, Economy
Buffalo → Washington
2h
7:45 PM - 9:05 PM • nonstop
Buffalo → Washington
2h 9m
10:21 PM - 11:50 PM • nonstop
United Airlines
Apr 23 - Apr 26, Economy
Buffalo → Washington
2h
7:45 PM - 9:05 PM • nonstop
Buffalo → Washington
2h 5m
12:52 PM - 2:17 PM • nonstop
United Airlines
Apr 24 - Apr 27, Economy
Buffalo → Washington
2h 6m
6:09 AM - 7:35 AM • nonstop
Buffalo → Washington
2h 5m
12:52 PM - 2:17 PM • nonstop
United Airlines
Apr 24 - Apr 27, Economy
Buffalo → Washington
2h
2:54 PM - 4:14 PM • nonstop
Buffalo → Washington
2h 9m
10:21 PM - 11:50 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
More Flight Options to Washington, IAD
Why Bargainspricer for Flights to IAD
New Deals Everyday
Never miss a deal on IAD flights—we update prices daily to bring you the best airfares.
Best Travel Options
Compare hundreds of IAD flights and find the best deals without any added service charges.