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Uncover the best deals on Washington to Buffalo flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest IAD - BUF Flights
Useful information for finding best airline tickets from Washington Dulles International to Buffalo Niagara International on your next trip.
Cheapest Round Trip Flight
$304
United Airlines
• 1 stop
• 7h 38m
Jul 15 – Jul 17
The cheapest round trip flight from Washington to Buffalo (IAD-BUF-IAD) is currently $304
Cheapest Direct Flight
$268
United Airlines
• nonstop
• 2h 13m
Jul 15
The cheapest nonstop flight from Washington to Buffalo (IAD-BUF) is currently $268
Fastest Flight
2h 6m
The fastest nonstop flight from Washington to Buffalo (IAD-BUF) takes 2h 6m
Top Airlines Flying from Washington to Buffalo
Latest Flight Deals from Washington (IAD) to Buffalo (BUF)
Compare and book low fare round-trip air tickets from Washington to Buffalo. Ideal for travelers with confirmed return itineraries.
Jul 15 - Jul 17, Economy
Washington → Buffalo
7h 38m
8:15 AM - 1:13 PM • 1 stop
Washington → Buffalo
7h 19m
6:40 PM - 11:19 PM • 1 stop
United Airlines
Jul 15 - Jul 17, Economy
Washington → Buffalo
11h 43m
6:10 AM - 1:13 PM • 1 stop
Washington → Buffalo
7h 19m
6:40 PM - 11:19 PM • 1 stop
United Airlines
Jul 15 - Jul 17, Economy
Washington → Buffalo
7h 29m
5:42 PM - 10:31 PM • 1 stop
Washington → Buffalo
7h 19m
6:40 PM - 11:19 PM • 1 stop
United Airlines
Jul 15 - Jul 17, Economy
Washington → Buffalo
10h 32m
6:33 AM - 1:05 PM • 1 stop
Washington → Buffalo
7h 15m
7:35 PM - 12:10 AM • 1 stop
American Airlines
Jul 15 - Jul 17, Economy
Washington → Buffalo
8h 55m
1:08 PM - 6:43 PM • 1 stop
Washington → Buffalo
10h 38m
6:00 AM - 12:38 PM • 2 stops
American Airlines
Looking for the fastest way to Buffalo? These direct flight options from IAD to BUF offer both convenience and value—no layovers, just straight to your destination.
Jul 15 - Jul 17, Economy
Washington → Buffalo
2h 13m
5:30 PM - 7:03 PM • nonstop
Washington → Buffalo
1h 56m
10:34 AM - 11:50 AM • nonstop
United Airlines
Jul 15 - Jul 17, Economy
Washington → Buffalo
2h 13m
10:26 PM - 11:59 PM • nonstop
Washington → Buffalo
1h 56m
10:34 AM - 11:50 AM • nonstop
United Airlines
Jul 15 - Jul 17, Economy
Washington → Buffalo
2h 6m
12:59 PM - 2:25 PM • nonstop
Washington → Buffalo
1h 56m
10:34 AM - 11:50 AM • nonstop
United Airlines
Jul 14 - Jul 16, Economy
Washington → Buffalo
2h 13m
10:26 PM - 11:59 PM • nonstop
Washington → Buffalo
1h 56m
10:34 AM - 11:50 AM • nonstop
United Airlines
FAQs on Washington to Buffalo Flights
What are the airports in Washington?
IAD,BWI,DCA
What’s the most popular airline flying from IAD to BUF?
The most popular airline flying from Washington to Buffalo are
Can I fly from IAD to BUF non-stop?
Yes, you can fly IAD to BUF non-stop on
Which airlines fly nonstop between Washington and Buffalo?
The non-stop flights between Washington and Buffalo are .
What’s the earliest departure time from IAD to BUF Airport?
The earliest flight leaves IAD at 6:10 am and lands in BUF - Buffalo Niagara International
What are the airports in Buffalo?
BUF
Can I make changes to my Washington to Buffalo 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 IAD to BUF?
Read the fare rules of the Washington to Buffalo 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 Washington and Buffalo?
operate flights between Washington and Buffalo
How long does a flight from Washington to Buffalo take?
It takes approximately 1 hour to fly non-stop from IAD to BUF, which is 283.71 miles by air.
Which airlines provide the cheapest flights from Washington (IAD) to Buffalo (BUF) ?
In the past couple of days, the cheapest tickets to BUF from IAD were found on UA : USD 1049
Do I need a passport to fly between IAD and BUF?
No
What’s the latest departure time from IAD to BUF ?
The last flight leaves IAD at 10:2600 pm
Washington (IAD) to Buffalo (BUF): Airport Information
| Origin Airport | Washington Dulles International , Washington, US |
| Destination Airport | Buffalo Niagara International , Buffalo, US |
| Distance | 284 miles |
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