Route guide
Cheap Flights from Washington, DC to Buffalo: Book Airline Tickets
- Distance
- about 280 mi
- Typical flight time
- 45 min – 1 h 45 min
- Airports
- 3 × 1
- Time difference
- None
This page covers the practical side of flying between Washington, DC and Buffalo: which airports to compare, how long the trip takes, and when it is busy. It works for either direction. For a price on your dates, ask a specialist.
Quick answer: Washington, DC to Buffalo is about 280 miles (450 km) and a typical flight takes 45 min to 1 h 45 min. There is no time difference. Washington, DC has 3 airports to compare and Buffalo has 1.
Airport pairs to compare
The Washington area has three airports. Reagan National is closest to the city, Dulles handles more long-haul traffic, and BWI sits between Washington and Baltimore. Buffalo's airport is the usual gateway for visitors to Niagara Falls.
| Pair | Departure airport | Arrival airport |
|---|---|---|
| DCA to BUF | Ronald Reagan Washington National | Buffalo Niagara International |
| IAD to BUF | Washington Dulles International | Buffalo Niagara International |
| BWI to BUF | Baltimore/Washington International | Buffalo Niagara International |
About the airports
- DCA · Ronald Reagan Washington National
Closest to downtown and served by Metrorail. - IAD · Washington Dulles International
Farther out in Virginia, with the larger share of long-haul flights and a Metrorail Silver Line station. - BWI · Baltimore/Washington International
Between Baltimore and Washington, often competitive on price. - BUF · Buffalo Niagara International
The main airport, northeast of downtown and the usual gateway to Niagara Falls.
Airlines with a major base at either end
- At Washington, DC: United Airlines, American Airlines
Airlines with a base at one end often connect through their hub. A specialist can compare nonstop and connecting options on your dates.
When to go and what to expect
Washington, DC
Spring is popular for cherry blossoms in late March and early April. Fall is pleasant, and summer is hot and humid.
Buffalo
Summer is the most popular time, especially for visits to the falls. Winters are cold and snowy, and lake-effect storms can disrupt flights.
How long is Washington, DC to Buffalo?
At about 280 miles, Washington, DC to Buffalo is a short hop. On a route this short the trip to the airport, security and boarding can take as long as the flight itself, so compare total door-to-door time and pick the airport that is easiest for you to reach, not only the cheapest fare.
Getting between the airport and town
Washington, DC: Metrorail serves Reagan National directly and Dulles through the Silver Line, which avoids a lot of traffic.
Buffalo: Rental cars, taxis and ride-hail are the most common ways into the city.
Planning ground transport too? See our car rental guide.
Good to know
- Check every airport pairing when you compare fares. Schedules and airline options can differ between them.
- Reagan National has a perimeter rule that limits most nonstop flights to a certain distance, so longer routes often use Dulles or BWI.
- Winter storms and summer thunderstorms are the usual causes of delays, so leave extra connection time in those seasons.
- Compare the total with bags included, not just the base fare. See baggage fees and taxes and fees.
Flying Buffalo to Washington, DC?
This route guide works in both directions. For other trips, see all flights from Washington, DC or all flights from Buffalo.
Frequently asked questions
How far is Washington, DC from Buffalo?
The straight-line distance between the main airports is about 280 miles (450 km). Routes can be longer in practice because of air traffic and weather.
How long is a flight from Washington, DC to Buffalo?
A typical scheduled flight takes roughly 45 min to 1 h 45 min in the air, depending on winds, the aircraft and the airports. Connecting itineraries take longer, and nonstop availability depends on the airline and dates.
Which airports can I use?
At Washington, DC: DCA (Ronald Reagan Washington National), IAD (Washington Dulles International), BWI (Baltimore/Washington International). At Buffalo: BUF (Buffalo Niagara International). Ask for prices on more than one pairing.
Is there a time difference?
There is no time difference.
When is the best time to fly from Washington, DC to Buffalo?
In Washington, DC: Spring is popular for cherry blossoms in late March and early April. Fall is pleasant, and summer is hot and humid. In Buffalo: Summer is the most popular time, especially for visits to the falls. Winters are cold and snowy, and lake-effect storms can disrupt flights. Fares are usually highest in the busy periods described for each city, so flexible dates can help.
Which airlines should I compare for Washington, DC to Buffalo?
Airlines with a major base at either end include United Airlines and American Airlines. A specialist compares them with other carriers on your dates, since schedules and availability change.
Do you show fares on this page?
No. Fares change constantly, so we do not publish prices that might be out of date. A specialist checks live availability and confirms the full total, including taxes and bags, before you pay.
Route details updated October 18, 2026.