CA $201 Cheap Flights from Buffalo (BUF) to Washington (IAD)

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Washington Dulles International Airport (IAD)

  • Be in the know

    Get alerts if flight prices drop or rise*
  • Book smarter

    Save up to 30% on select hotels after you book a flight*
  • Earn twice

    Earn your airline miles on top of our rewards

Cheap flights from Buffalo (BUF) to Washington (IAD)

Prices were available within the past 7 days and start at CA $201 for one-way flights and CA $270 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Delta
Delta
Delta
Delta
Delta
Delta
Delta
United
American Airlines

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Find the cheapest month to fly from Buffalo (BUF) to Washington (IAD)

April is typically the cheapest month to fly

From CA $195 - CA $575 per traveller.

Frequently asked questions

How much is a flight from Buffalo Niagara Intl. Airport (BUF) to IAD?
The lowest price advertised for a round-trip flight between BUF and Dulles Intl. Airport is CA $270. But you better act soon. This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Buffalo Niagara Intl. Airport (BUF) to IAD?
The majority of flights can be cancelled online, but each airline has its own terms and conditions. If you do decide to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Buffalo Niagara International Airport to Dulles Intl. Airport that have flexible change policies?
Flights from BUF to Washington Dulles Intl. Airport (IAD) with flexible change policies are available with many airlines. Simply use our "No change fees" filter when searching. You'll only need to cover the cost difference between flights, with no added fees to worry about.
How many hours is the flight from BUF to Washington Dulles Intl. Airport (IAD)?
It only takes around 4 hours and 41 minutes to jet from BUF to Washington Dulles Intl. Airport (IAD) — perfect for forty winks. You'll be landing in Chantilly by the time you wake up.
How far is the flight from BUF to Dulles Intl. Airport?
You might not get through a whole movie on this flight — it's only 460 kilometres from Buffalo to Chantilly. Find your way to your seat, buckle up and you'll be in Chantilly in no time.
Which airlines fly direct from Buffalo Niagara Intl. Airport (BUF) to Dulles Intl. Airport?
If you want to fly straight from Buffalo Niagara Intl. Airport (BUF) to IAD, United Airlines (UA) is a popular option. It operates 91 monthly flights between Buffalo and Chantilly.
Are Buffalo Niagara Intl. Airport (BUF) to IAD flight tickets cheaper when they're purchased at the last minute?
Flight prices from Buffalo Niagara International Airport to Dulles Intl. Airport are available up to a year prior to departure on Expedia. And although you may pick up a great last-minute deal, it's not something you should bank on. Also, booking your flights ahead of time means you'll have more choices — and you can avoid ending up with the dreaded middle seat! We frequently update our fares to bring you the best bargains, so check back often for all the latest specials.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
CA $269
Distance
452 km
Average flight time
1 hour 24 mins

Book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.