C$81 Cheap Flights from Buffalo Niagara (BUF) to Washington D.C. (WASA)

Compare Buffalo Niagara to Washington D.C. flight deals

Find the cheapest month or even day of the year to fly to Washington D.C.

Book the best Washington D.C. fare with no extra fees

Flight deals from Buffalo Niagara Airport to Washington D.C.

Looking for a cheap last-minute deal or the best return flight from Buffalo Niagara Airport to Washington D.C.? If you want to travel next month, return fares start from C$250. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Buffalo Niagara to Washington D.C.

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Buffalo Niagara to Washington D.C. flights are currently cheapest in May.

Which airlines fly from Buffalo Niagara to Washington D.C.?

Buffalo to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundC$81
Cheapest month to flyMay
Average flight time1 hr, 21 mins
Most popular airlineSouthwest Airlines
Average flights per week208

Finding cheap flights from Buffalo Niagara to Washington D.C.: Frequently asked questions

There are 5 airports in Washington D.C.: Washington Ronald Reagan, Camp Springs Andrews AFB, Washington Dulles, Baltimore Washington International, and Manassas.
The best price we found for a return flight from Buffalo Niagara to Washington D.C. is C$223. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 21 minutes is the average flight time from Buffalo Niagara to Washington D.C..
Southwest Airlines, American Airlines and United fly direct from Buffalo Niagara to Washington D.C..
As of April 2026, there are 212 flights per week flying from Buffalo Niagara to Washington D.C..
The cheapest month to fly from Buffalo Niagara to Washington D.C. is usually April.
If you're flying from Buffalo Niagara Airport, the cheapest airport near Washington D.C. is Baltimore Washington International – which is 43.6 km away from the centre of Washington D.C.. We've found flights into this airport from C$223.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Buffalo Niagara Airport to Washington D.C. on Thursday, April 30, 2026.
Yes – the average flight time is 1 hour and 21 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington D.C. but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 12°C. July is typically the warmest month in Washington D.C., when it usually averages around 31°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -4°C. The rainiest month is September.
Currently, Frontier Airlines and United offer the cheapest flight tickets to Washington D.C..

Flying from Buffalo Niagara International Airport (BUF) to Washington DC: what you need to know

  • The average length of a direct flight from Buffalo Niagara International Airport to Washington DC is 1 hour 29 minutes.

  • Washington DC and Buffalo (where Buffalo Niagara International Airport is located) share the UTC-4 timezone. That means you won't have to adjust your watch once you arrive.

  • The most popular route is from Buffalo Niagara International Airport (BUF) to Washington Dulles International Airport (IAD). There are 77 weekly services between these two airports. If you want to take off as soon as possible, the earliest flight from BUF to IAD is the 06:00 United service. If you'd rather travel later, the final departure is at 19:59 with United.

  • To ensure you catch your flight from BUF to Washington DC, leave plenty of time to check in and find your gate. Turning up two hours before international departures and one hour before domestic flights is the general rule.

  • Flying during a peak month like August? Popular periods (like spring break, summer and New Year) can add another hour at security. Be extra cautious and arrive up to four hours ahead of an international flight and two hours before domestic departures.

  • Begin your trip with a direct flight from Buffalo Niagara International Airport to Washington DC. From BUF, you can fly without any stops to any of these Washington DC airports:

    • Ronald Reagan National Airport (DCA)

    • Washington Dulles International Airport (IAD)

    • Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Leading carriers that operate direct flights from Buffalo Niagara International Airport to Washington DC include:

  • You won't need your passport or a visa to travel within United States. You will need a valid form of identification however, like an ID card or driver's licence. Make sure they're on your packing checklist once you've booked flight tickets from Buffalo Niagara International Airport to Washington DC.

  • BUF is around 18 kilometres from central Buffalo. If you're catching a cab, driving or ride-sharing from the centre, it'll take 21 minutes or so to get there, depending on traffic. If you're taking public transport, expect the journey time to be approximately 1 hour and 15 minutes.

  • Want a convenient hotel close to BUF? If you've booked an early flight from Buffalo Niagara International Airport to Washington DC, these stays will put you moments from your departure lounge:

How to find the cheapest flights from Buffalo Niagara International Airport (BUF) to Washington DC

  • C$81 is the best price for a one-way ticket from Buffalo Niagara International Airport to Washington DC. Return flights start at C$223. These fares may change based on demand and availability.

  • To pick up cheap tickets from BUF to Washington DC, reserve your trip 2 months ahead of your departure date.

  • Schedule your trip for October. That's the cheapest month for tickets from Buffalo Niagara International Airport to Washington DC. If you have flexibility with your dates, use the 'Whole month' tool to see the lowest price across each month.

  • Log into your online account or use the app to set up a Price Alert. We'll get in touch straight away if there's a better deal on this route. It's easy to do, and it'll save you from looking for cheap tickets from BUF to Washington DC every day.

  • Tailor your trip with filters. Select your arrival and departure times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Buffalo Niagara International Airport to Washington DC.

Airports in Washington DC

Ronald Reagan National Airport (DCA)

  • Ronald Reagan National Airport (DCA) to central Washington DC is roughly 8 kilometres. It takes about 16 minutes to get to the centre driving.

  • Getting there by public transport takes about 43 minutes.

  • The last thing you want is a lengthy journey to your hotel if you're arriving on a late flight from Buffalo Niagara International Airport to Washington DC. Stay at one of these accommodation options near DCA instead:

Washington Dulles International Airport (IAD)

  • The centre of Washington DC is around 56 kilometres from Washington Dulles International Airport (IAD). After your flight from Buffalo Niagara International Airport to Washington DC has hit the runway and you've made your way to arrivals, expect a drive of around 51 minutes.

  • If you're catching public transport, it'll take around 3 hours and 26 minutes.

  • Hang the 'Do not disturb' sign on your door and rest at a hotel close to IAD. Here are a few options where you can put your feet up after your flight from BUF to Washington DC:

Best time to go to Washington DC

  • July is the busiest month to board a flight from Buffalo Niagara International Airport to Washington DC while May is the quietest. To work out the best time to go to Washington DC, consider the pace you like to travel at.

  • Book your flight from Buffalo Niagara International Airport to Washington DC for July to experience the city during its warmest month. You can expect temperatures to range from 19ºC to 33ºC.

  • For cooler conditions, lock in a cheap flight from BUF to Washington DC in January when temperatures average between -6ºC and 10ºC.

More about Washington DC

  • When it comes to looking for somewhere to rest your head, you'll find the best places to stay in Washington DC right here. Browse these hotels after locking in your flight from Buffalo Niagara International Airport to Washington DC:

  • Every great journey has to include some sightseeing. White House Historical Association, The White House and National Mall are attractions you won't want to skip in Washington DC.

Complete your Washington DC trip with a car rental

  • Finding you a cheap flight from Buffalo Niagara International Airport to Washington DC isn't the only trick up our sleeve. Check out our car rentals in Washington DC and travel at your own pace. We find deals from trusted car rental providers and put them all in one place. Instantly compare offers and then book with no fees.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.