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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
$110
Southwest Airlines• nonstop • 1h 55mNov 04 – Nov 05
The cheapest round trip flight from Buffalo Niagara International to Washington Dulles International is currently $110
Cheapest One way Flight
$237
American Airlines• 1 stop• 10h 11mOct 22
The cheapest one way flight from Hartsfield Jackson Atlanta International to Washington Dulles International is currently $237
Cheapest Direct Flight
$110
Southwest Airlines• nonstop• 1h 55mNov 04
The cheapest nonstop flight from Buffalo Niagara International to Washington Dulles International is currently $110
Fastest Flight
1h 50m
The fastest nonstop flight from Buffalo Niagara International to Washington Dulles International takes 1h 50m
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.
Nov 04 - Nov 05, Economy
Buffalo → Washington
1h 55m
3:55 PM - 5:10 PM • nonstop
Buffalo → Washington
1h 55m
1:10 PM - 2:25 PM • nonstop
Southwest Airlines
Nov 04 - Nov 05, Economy
Buffalo → Washington
1h 50m
12:45 PM - 1:55 PM • nonstop
Buffalo → Washington
1h 55m
1:10 PM - 2:25 PM • nonstop
Southwest Airlines
Nov 04 - Nov 05, Economy
Buffalo → Washington
2h 10m
5:55 AM - 7:25 AM • nonstop
Buffalo → Washington
1h 55m
1:10 PM - 2:25 PM • nonstop
Southwest Airlines
Nov 04 - Nov 05, Economy
Buffalo → Washington
1h 55m
3:55 PM - 5:10 PM • nonstop
Buffalo → Washington
7h 20m
10:45 AM - 3:25 PM • 1 stop
Southwest Airlines
Nov 04 - Nov 05, Economy
Buffalo → Washington
2h 10m
5:55 AM - 7:25 AM • nonstop
Buffalo → Washington
7h 20m
10:45 AM - 3:25 PM • 1 stop
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.
Maximize your time in Washington, not in transit. Discover non-stop direct flights to IAD for the quickest, most straightforward journey to the Strip.
Nov 04 - Nov 05, Economy
Buffalo → Washington
1h 55m
3:55 PM - 5:10 PM • nonstop
Buffalo → Washington
1h 55m
1:10 PM - 2:25 PM • nonstop
Southwest Airlines
Nov 04 - Nov 05, Economy
Buffalo → Washington
1h 50m
12:45 PM - 1:55 PM • nonstop
Buffalo → Washington
1h 55m
1:10 PM - 2:25 PM • nonstop
Southwest Airlines
Nov 04 - Nov 05, Economy
Buffalo → Washington
2h 10m
5:55 AM - 7:25 AM • nonstop
Buffalo → Washington
1h 55m
1:10 PM - 2:25 PM • nonstop
Southwest Airlines
Nov 04 - Nov 05, Economy
Buffalo → Washington
1h 55m
9:10 AM - 10:25 AM • nonstop
Buffalo → Washington
1h 55m
1:10 PM - 2:25 PM • nonstop
Southwest Airlines
Nov 04 - Nov 05, Economy
Buffalo → Washington
2h 10m
7:25 AM - 8:55 AM • nonstop
Buffalo → Washington
1h 55m
1:10 PM - 2:25 PM • nonstop
Southwest 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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