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Flights from Buffalo to Dulles – Direct & connecting routes

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BUF to IAD flights and routes map BUF to IAD – All flight route options from Buffalo Niagara International, New York, USA to Washington Dulles International, Virginia, USA. These flights are operated by 4 airlines. Fly non-stop with United Airlines or choose from 4 different transit flights. The shortest flight time is 1 hour and 19 minutes. See the full flight schedule and time table, including departure times, airlines and stopover details to find the best option for you.

From
To
USA BUF Buffalo Niagara Buffalo, NY, USA
USA IAD Washington Dulles , VA, USA
BUF
Buffalo Niagara
USABuffalo, NY, USA
Washington Dulles
USADulles, VA, USA
IAD
1 direct route found »
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5 routes with 1 stop found »
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Non-stop route options:

Duration

United Airlines
Non-stop with United Airlines. 5-7 flights per day.

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1h 19m

United Airlines
Non-stop with United Airlines.
1h 19m
5-7 flights per day.
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1 stop route options with the same airline:

Duration

Via New York JFK
1 stop with Delta Air Lines. 1-2 flights per day.

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4h 51m

Via New York JFK
1 stop with Delta Air Lines.
4h 51m
1-2 flights per day.
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Via New York EWR
1 stop with United Airlines. 1-2 flights per day.

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5h 10m

Via New York EWR
1 stop with United Airlines.
5h 10m
1-2 flights per day.
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1 stop route options with codeshare or different airlines:

Duration

Via Philadelphia PHL With American Airlines & United Airlines 2-3 flights per day.

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4h 33m

Via Philadelphia PHL
4h 33m
With American Airlines & United Airlines 2-3 flights per day.
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Via New York JFK With Delta Air Lines & United Airlines 0-1 flights per day.

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4h 59m

Via New York JFK
4h 59m
With Delta Air Lines & United Airlines 0-1 flights per day.
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Via New York LGA With Delta Air Lines & United Airlines 1-3 flights per day.

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5h 48m

Via New York LGA
5h 48m
With Delta Air Lines & United Airlines 1-3 flights per day.
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Buffalo to Dulles flights

With over 83 flights every week and 5 different airlines you have a wide range of options. You can fly non-stop to Dulles (IAD) from Buffalo (BUF) with United Airlines but if a stopover option suits you better you can choose to fly via Philadelphia, New York or any other of the 4 alternatives with connectiing airports.

Tip! You might want to consider arriving at Ronald Reagan Washington National (DCA) instead.

Buffalo to Dulles with United Airlines

You can fly non-stop every weekday with flights departing between 6:00 am and 8:00 pm. You also have the option to do a transit flight via New York. United Airlines is a Star Alliance member.

With Delta Air Lines

If you fly from Buffalo with Delta Air Lines you will do a stopover in New York, JFK before reaching Dulles. This flight trip will take 4 hours and 51 minutes and you can fly every weekday with departures at 07:00 or 11:40. Delta Air Lines is a member of SkyTeam.

Distance & flight times: Buffalo Niagara International to Dulles

The shortest flight time between BUF and IAD is 1 hour and 19 minutes.

ViaTotal flight timeLayover timeDistance
Direct1h 19m-285 miles (459 km)
PHL Philadelphia4h 33m2h 5m414 miles (666 km)
JFK New York4h 51m1h 56m530 miles (853 km)
EWR New York5h 10m1h 57m494 miles (795 km)
LGA New York5h 48m2h 39m521 miles (838 km)
The flight times and layover times in the table above are approximate and may vary depending on flight number, aircraft, airline, weather, and time of day.BUF-IAD flight routesBuffalo to Dulles flight routes illustrated on a map.
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Buffalo - Dulles route map and flight paths
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You can fly non-stop from Buffalo (BUF) to Dulles (IAD) with United Airlines. The flight takes approximately 1 hour and 19 minutes. If you travel with a connecting flight instead, for example via Philadelphia, the total flight time will be 4 hours and 33 minutes.

If you're interested in direct flights, United Airlines is available. For flights with stopovers, American Airlines, United Airlines or Delta Air Lines is also an option.

The flight time between Buffalo Niagara (BUF) and Washington Dulles International (IAD) is approximately 1 hour and 19 minutes. The distance between the two airports is 414 miles (or 666 kilometers).

Yes, you can fly non-stop to IAD from BUF with United Airlines.

A codeshare agreement means that cooperating airlines are able to sell seats on each other’s flights. This means that you are able to travel to more destinations than your airline of choice normally offers. Codeshare flights are also beneficial because of the seamless transits you can get with connecting flights from the same airline. The downside of choosing a codeshare flight can be that you in some cases can’t upgrade codeshare flights or use elite benefits.

A connecting or transit flight means that you reach your final destination through two or more flights – in other words a non-direct flight. You will change to a new aircraft after your first flight, this may include moving to another terminal at the airport aswell. The time required to transfer passengers and luggage between flights is called Minimum Connecting Time (MCT) and are always taken into account here on Flightroutes.com.

If you bought your whole flight on a single ticket, the airline will book you on the next available connecting flight.

With connecting flights, checked in luggage is most commonly forwarded to your final destination when buying a single ticket for both flights.

If you miss your connecting flight due to circumstances outside your control such as your first flight being delayed, you should turn to your airline who will provide you with a seat on the next available flight. This is usually done free of charge, and only applies if you purchased your trip as one ticket. If the next connecting flight is the following day, the airline usually provides accommodation and meals.
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