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Uncover the best deals on Buffalo to Washington flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest BUF - IAD Flights
Useful information for finding best airline tickets from Buffalo Niagara International to Washington Dulles International on your next trip.
Cheapest Round Trip Flight
$441
Delta Airlines
• 1 stop
• 30h 29m
Jul 25 – Jul 27
The cheapest round trip flight from Buffalo to Washington (BUF-IAD-BUF) is currently $441
Cheapest Direct Flight
$213
United Airlines
• nonstop
•
Jul 17
The cheapest nonstop flight from Buffalo to Washington (BUF-IAD) is currently $213
Fastest Flight
20m
The fastest nonstop flight from Buffalo to Washington (BUF-IAD) takes 20m
Top Airlines Flying from Buffalo to Washington
Latest Flight Deals from Buffalo (BUF) to Washington (IAD)
Compare and book low fare round-trip air tickets from Buffalo to Washington. Ideal for travelers with confirmed return itineraries.
Jul 25 - Jul 27, Economy
Buffalo → Washington
30h 29m
3:54 PM - 10:23 AM • 1 stop
Buffalo → Washington
9h 7m
6:59 PM - 12:46 AM • 1 stop
Delta Airlines
Jul 25 - Jul 27, Economy
Buffalo → Washington
16h 49m
6:29 AM - 4:38 PM • 1 stop
Buffalo → Washington
9h 7m
6:59 PM - 12:46 AM • 1 stop
Delta Airlines
Jul 25 - Jul 27, Economy
Buffalo → Washington
18h 30m
12:03 PM - 11:13 PM • 1 stop
Buffalo → Washington
9h 7m
6:59 PM - 12:46 AM • 1 stop
Delta Airlines
Jul 25 - Jul 27, Economy
Buffalo → Washington
20h 38m
12:03 PM - 12:41 AM • 2 stops
Buffalo → Washington
9h 7m
6:59 PM - 12:46 AM • 1 stop
Delta Airlines
Jul 25 - Jul 27, Economy
Buffalo → Washington
22h 5m
6:29 AM - 7:54 PM • 2 stops
Buffalo → Washington
9h 7m
6:59 PM - 12:46 AM • 1 stop
Delta Airlines
Flying to Washington soon? We've surfaced some of the most affordable last-minute flights from Buffalo to Washington, ideal for urgent plans or spontaneous trips.
Jul 17 - Jul 23, Economy
Buffalo → Washington
20m
10:34 AM - 9:00 PM • 1 stop
Buffalo → Washington
1m
10:26 PM - 11:59 PM • nonstop
United Airlines
Jul 17 - Jul 23, Economy
Buffalo → Washington
- 10:00 AM • 1 stop
Buffalo → Washington
- • 1 stop
American Airlines
Jul 17 - Jul 23, Economy
Buffalo → Washington
12h 11m
1:54 PM - 9:25 PM • 2 stops
Buffalo → Washington
2h 13m
10:26 PM - 11:59 PM • nonstop
United Airlines
Jul 17 - Jul 23, Economy
Buffalo → Washington
- • 1 stop
Buffalo → Washington
- • 1 stop
Delta Airlines
Jul 17 - Jul 23, Economy
Buffalo → Washington
7h 12m
6:00 AM - 10:32 AM • 1 stop
Buffalo → Washington
1h 59m
10:40 PM - 11:59 PM • nonstop
American Airlines
Looking for the fastest way to Washington? These direct flight options from BUF to IAD offer both convenience and value—no layovers, just straight to your destination.
Jul 17 - Jul 23, Economy
Buffalo → Washington
- • nonstop
Buffalo → Washington
- • nonstop
United Airlines
Jul 17 - Jul 23, Economy
Buffalo → Washington
- • nonstop
Buffalo → Washington
- • nonstop
United Airlines
Jul 17 - Jul 23, Economy
Buffalo → Washington
- • nonstop
Buffalo → Washington
- • nonstop
United Airlines
Jul 17 - Jul 23, Economy
Buffalo → Washington
- • nonstop
Buffalo → Washington
- • nonstop
United Airlines
Jul 17 - Jul 23, Economy
Buffalo → Washington
1h 59m
6:15 AM - 7:34 AM • nonstop
Buffalo → Washington
1h 59m
10:40 PM - 11:59 PM • nonstop
United Airlines
FAQs on Buffalo to Washington Flights
What are the airports in Buffalo?
BUF
What’s the most popular airline flying from BUF to IAD?
The most popular airline flying from Buffalo to Washington are
Can I fly from BUF to IAD non-stop?
Yes, you can fly BUF to IAD non-stop on
Which airlines fly nonstop between Buffalo and Washington?
The non-stop flights between Buffalo and Washington are .
What’s the earliest departure time from BUF to IAD Airport?
The earliest flight leaves BUF at 6:00 am and lands in IAD - Washington Dulles International
What are the airports in Washington?
IAD,BWI,DCA
Can I make changes to my Buffalo to Washington flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from BUF to IAD?
Read the fare rules of the Buffalo to Washington air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Buffalo and Washington?
operate flights between Buffalo and Washington
How long does a flight from Buffalo to Washington take?
It takes approximately 1 hour to fly non-stop from BUF to IAD, which is 283.71 miles by air.
Which airlines provide the cheapest flights from Buffalo (BUF) to Washington (IAD) ?
In the past couple of days, the cheapest tickets to IAD from BUF were found on DL : USD 490
Do I need a passport to fly between BUF and IAD?
No
What’s the latest departure time from BUF to IAD ?
The last flight leaves BUF at 7:5200 pm
Buffalo (BUF) to Washington (IAD): Airport Information
| Origin Airport | Buffalo Niagara International , Buffalo, US |
| Destination Airport | Washington Dulles International , Washington, US |
| Distance | 284 miles |
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