C$116 Cheap Flights from Washington D.C. (WASA) to Buffalo Niagara (BUF)

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Flight deals from Washington D.C. to Buffalo Niagara

Looking for a cheap last-minute deal or the best return flight from Washington D.C. to Buffalo Niagara Airport? If you want to travel next month, return fares start from C$263. Find the lowest prices on one-way and return tickets right here.

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

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

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

Washington D.C. to Buffalo Niagara: Alternative routes

Compare routes from Washington D.C. to Buffalo below. You may find an airport to fly into that's cheaper, faster, or easier than Buffalo Niagara.

Washington D.C. to Buffalo: Flight information

The things to know before you go.
Cheapest flight foundC$116
Cheapest month to flyAugust
Average flight time1 hr, 23 mins
Most popular airlineSouthwest Airlines
Average flights per week183

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

The best price we found for a return flight from Washington D.C. to Buffalo Niagara is C$228. 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 22 minutes is the average flight time from Washington D.C. to Buffalo Niagara.
Southwest Airlines, American Airlines and United fly direct from Washington D.C. to Buffalo Niagara.
As of June 2026, there are 183 flights per week flying from Washington D.C. to Buffalo Niagara.
The cheapest month to fly from Washington D.C. to Buffalo Niagara is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to Buffalo Niagara Airport on Tuesday, September 8, 2026.
Yes – the average flight time is 1 hour and 22 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 Buffalo Niagara 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 Buffalo is around 40 days in advance, so don’t leave your flight to the last minute.

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

  • Begin planning your trip by checking out the most convenient departure point for your flight from Washington DC to Buffalo Niagara International Airport (BUF). Explore your options for setting off from Ronald Reagan National Airport (DCA) or Washington Dulles International Airport (IAD), two of the city's main airports.

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

  • Buffalo's timezone is UTC-4, which is the same as Washington DC. Buffalo Niagara International Airport is located in Buffalo.

  • The most popular route is from Ronald Reagan National Airport (DCA) to Buffalo Niagara International Airport (BUF), with 63 direct services every week. If you'd like to get going as soon as possible, the earliest flight from DCA to BUF is the 08:15 United option. If you prefer travelling later, the last departure is at 22:55 with Southwest Airlines.

  • To ensure you catch your flight from Washington DC to BUF, leave plenty of time for things like baggage drop and finding your gate. Turning up two hours before international departures and one hour before domestic flights is the standard rule.

  • Popular months like July or vacation periods such as summer and spring break will mean bigger lines at check-in and security. Travelling then? Play it safe and head to the airport even earlier. Arriving two hours before domestic flights and up four hours ahead of an international flight is a smart idea.

Airports in Washington DC

Ronald Reagan National Airport (DCA)

  • You can jump on a direct flight from Washington DC to Buffalo Niagara International Airport (BUF) departing from Ronald Reagan National Airport (DCA).

  • When leaving from DCA, you can catch a direct flight from Washington DC to Buffalo Niagara International Airport with American Airlines.

  • DCA is approximately 8 kilometres from central Washington DC. To work out how to get there, use Google Maps. This useful travel app will give you the quickest route and available public transport options.

  • Searching for a convenient hotel near Ronald Reagan National Airport? If you're catching an early flight from Washington DC to Buffalo Niagara International Airport, these accommodation options will put you moments from your departure gate:

Washington Dulles International Airport (IAD)

  • Washington Dulles International Airport (IAD) offers direct flights from Washington DC to Buffalo Niagara International Airport (BUF).

  • United offers direct flights from Washington DC to BUF leaving from IAD. Book your favourite window seat and reach your destination without any detours.

  • IAD is around 56 kilometres from central Washington DC. It takes 51 minutes or so to get to the airport in a car from the city centre. Public transport takes roughly 3 hours and 26 minutes.

  • It's your vacation, so why not book another night away? Consider kicking back in one of these hotels near Washington Dulles International Airport the day before your flight from Washington DC to BUF:

About Buffalo Niagara International Airport (BUF)

Getting from Buffalo Niagara International Airport (BUF) to central Buffalo

  • Buffalo Niagara International Airport to the centre of Buffalo takes about 21 minutes in a car. It's approximately 18 kilometres away. See what options are available, such as cabs, car rentals or ride-sharing services.

  • If you're travelling by public transport, expect a journey of roughly 1 hour and 15 minutes.

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

  • For a one-way ticket from Washington DC to Buffalo Niagara International Airport, C$116 is the cheapest price. You can also book a return trip from just C$228. These are currently the lowest fares but could change depending on availability.

  • You're more likely to find flight tickets from Washington DC to BUF if you book 10 months before takeoff. We crunched the flight price data and found that's the time fares for this journey are typically at their lowest.

  • The cheapest month for tickets from Washington DC to Buffalo Niagara International Airport is July. Use the 'Whole month' tool to find the most affordable day to fly if you're flexible with your departure dates.

  • Set up a Price Alert and keep track of changes on this route through push notifications or email. You'll be the first to know when prices drop. Timing is key for finding flight tickets from Washington DC to BUF.

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

The best time to fly from Washington DC to Buffalo Niagara International Airport (BUF)

  • August is the busiest month to hop on a flight from Washington DC to Buffalo Niagara International Airport while May is the quietest. To work out the ideal time to go to Buffalo, consider the pace you prefer to travel at.

  • Book your flight from Washington DC to BUF for July if you're eager to explore the city during its warmest month. You can expect temperatures in Buffalo to range from 15ºC to 28ºC.

  • Search for cheap flights from Washington DC to Buffalo Niagara International Airport in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -10ºC and 2ºC on average.

More about Buffalo

Complete your Buffalo trip with a car rental

  • We use the same magic that helped you find your cheap flight from Washington DC to Buffalo Niagara International Airport to track down your ideal ride. Check out our car rentals in Buffalo and compare offers in one place. Plus we give you all the info you need to know, from the most popular rental company to the average daily price.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.