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Cheap Flights from Baltimore Washington International to Buffalo Niagara

Compare Baltimore Washington International to Buffalo Niagara flight deals

Find the cheapest month or even day of the year to fly to Buffalo Niagara

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Flight deals from Baltimore Washington International to Buffalo Niagara

Looking for a cheap last-minute deal or the best return flight from Baltimore Washington International Airport to Buffalo Niagara Airport? If you want to travel next month, return fares start from R 2,598. Find the lowest prices on one-way and return tickets right here.
Buffalo.R 1,341 per passenger.Departing Fri, 18 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Fri, 18 Sep, arriving in Buffalo Niagara.Price includes taxes and charges.From R 1,341, select.
Buffalo.R 1,341 per passenger.Departing Fri, 14 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Fri, 14 Aug, arriving in Buffalo Niagara.Price includes taxes and charges.From R 1,341, select.
Buffalo.R 1,371 per passenger.Departing Tue, 6 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Tue, 6 Oct, arriving in Buffalo Niagara.Price includes taxes and charges.From R 1,371, select.
Buffalo.R 1,624 per passenger.Departing Sat, 3 Oct.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Sat, 3 Oct, arriving in Buffalo Niagara.Price includes taxes and charges.From R 1,624, select.
Buffalo.R 1,624 per passenger.Departing Sat, 19 Sep.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Sat, 19 Sep, arriving in Buffalo Niagara.Price includes taxes and charges.From R 1,624, select.
Buffalo.R 1,624 per passenger.Departing Wed, 26 Aug.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Wed, 26 Aug, arriving in Buffalo Niagara.Price includes taxes and charges.From R 1,624, select.
Buffalo.R 1,625 per passenger.Departing Thu, 5 Nov.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Thu, 5 Nov, arriving in Buffalo Niagara.Price includes taxes and charges.From R 1,625, select.
Buffalo.R 1,805 per passenger.Departing Tue, 1 Dec.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Tue, 1 Dec, arriving in Buffalo Niagara.Price includes taxes and charges.From R 1,805, select.
Buffalo.R 2,021 per passenger.Departing Thu, 14 Jan.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Thu, 14 Jan, arriving in Buffalo Niagara.Price includes taxes and charges.From R 2,021, select.
Buffalo.R 2,064 per passenger.Departing Wed, 29 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Wed, 29 Jul, arriving in Buffalo Niagara.Price includes taxes and charges.From R 2,064, select.
Buffalo.R 2,833 per passenger.Departing Wed, 17 Feb.One-way flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Wed, 17 Feb, arriving in Buffalo Niagara.Price includes taxes and charges.From R 2,833, select.
Buffalo.R 2,837 per passenger.Departing Wed, 17 Feb.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Wed, 17 Feb, arriving in Buffalo Niagara.Price includes taxes and charges.From R 2,837, select.
Buffalo.R 2,993 per passenger.Departing Sat, 22 May.One-way flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Sat, 22 May, arriving in Buffalo Niagara.Price includes taxes and charges.From R 2,993, select.
Buffalo.R 2,999 per passenger.Departing Mon, 26 Apr.One-way flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Mon, 26 Apr, arriving in Buffalo Niagara.Price includes taxes and charges.From R 2,999, select.
Buffalo.R 3,002 per passenger.Departing Mon, 8 Mar.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Mon, 8 Mar, arriving in Buffalo Niagara.Price includes taxes and charges.From R 3,002, select.
Buffalo.R 3,682 per passenger.Departing Thu, 30 Jul.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Thu, 30 Jul, arriving in Buffalo Niagara.Price includes taxes and charges.From R 3,682, select.

Find the cheapest month to fly from Baltimore Washington International to Buffalo Niagara

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Baltimore Washington International to Buffalo Niagara flights are currently cheapest in August.
Jul
from R 2,064
Aug
from R 1,341
Sep
from R 1,341
Oct
from R 1,371
Nov
from R 1,625
Dec
from R 1,805
Jan
from R 2,021
Feb
from R 2,833
Mar
from R 3,002
Apr
from R 2,999
May
from R 2,993
Jun
Find prices

Direct flights from Baltimore Washington International to Buffalo Niagara

Baltimore Washington International to Buffalo Niagara: Alternative routes

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

Buffalo Niagara

13km from central Buffalo
ClosestCheapest
from R 1,341
Search flights

Niagara Falls

24km from central Buffalo
from R 2,173
Search flights

Washington D.C. to Buffalo: Flight information

The things to know before you go.
Cheapest flight foundR 1,341
Cheapest month to flyAugust
Average flight time1 hr, 17 mins
Most popular airlineSouthwest Airlines
Average flights per week41

Finding cheap flights from Baltimore Washington International to Buffalo Niagara: Frequently asked questions

The best price we found for a return flight from Baltimore Washington International to Buffalo Niagara is R 2,598. 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 17 minutes is the average flight time from Baltimore Washington International to Buffalo Niagara.
Southwest Airlines flies direct from Baltimore Washington International to Buffalo Niagara.
As of July 2026, there are 40 flights per week flying from Baltimore Washington International to Buffalo Niagara.
The cheapest month to fly from Baltimore Washington International to Buffalo Niagara is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Baltimore Washington International Airport to Buffalo Niagara Airport on Friday, 21 August 2026.
Yes – the average flight time is 1 hour and 17 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.

Currently, Frontier Airlines and Southwest Airlines offer the cheapest flight tickets to Buffalo Niagara.

Travelling from Baltimore Washington International Airport (BWI) to Buffalo Niagara Airport (BUF): what you need to know

  • Around 1 hour 15 minutes is how long you can expect to be in the air on a direct flight from Baltimore Washington International Airport to Buffalo Niagara Airport.

  • Flights from BWI to BUF start from 06:30 — the earliest with Southwest Airlines. The last departure is at 22:55 with Southwest Airlines. In total, you can choose from 19 weekly Baltimore Washington International Airport to Buffalo Niagara Airport flights.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to board your BWI to BUF flight.

  • During popular months such as July, you'll want to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead of international flights when you fly during a peak period in general.

  • Travelling to Buffalo (and then seeing more of the United States!) is easy with Southwest Airlines. This popular airline has direct flights from Baltimore Washington International Airport to Buffalo Niagara Airport.

  • Southwest Airlines is the top choice for travellers on this route.

  • With 77.02% of its services landing as planned, Southwest Airlines is the most punctual carrier operating BWI to BUF flights.

  • We make it a breeze to book a flight with a stopover. To see your options for tickets from Baltimore Washington International Airport to Buffalo Niagara Airport, deselect 'Direct flights only.' Then, choose a flight with a stop long enough to explore your chosen city. Worthwhile stopovers between BWI and BUF include:

    • Charlotte Douglas Airport

    • New York John F. Kennedy Airport

    • Detroit Wayne County Airport

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

  • The cheapest price we've seen for a one-way Baltimore Washington International Airport to Buffalo Niagara Airport flight is R 1,341. A return plane ticket right now is R 2,598. Depending on the availability when you book, these fares can change.

  • To get cheap tickets from BWI to BUF, reserve your journey one month before your planned departure.

  • The cheapest month for flights from Baltimore Washington International Airport to Buffalo Niagara Airport is June. Use the 'Whole month' tool to see the lowest airfares if you have flexible dates.

  • Picking up cheap flights from BWI to BUF is a breeze with Price Alerts. Simply create one of these automatic alerts and we'll notify you when a lower fare pops up.

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

Handy information about Baltimore Washington International Airport (BWI)

  • When it comes to the on-time performance of Baltimore Washington International Airport, data shows 77% of flights meet their scheduled arrival time.

  • Baltimore Washington International Airport is about 48 kilometres from central Washington DC. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 40 minutes or so to arrive, depending on the traffic.

  • The trip when using public transport takes about 50 minutes.

  • Catching an early flight from Baltimore Washington International Airport to Buffalo Niagara Airport? Avoid the hassle of rushing to the terminal (and sneak in some extra precious sleep) by picking one of these hotels near BWI:

Arriving at Buffalo Niagara Airport (BUF)

  • If you're coming in on a late Baltimore Washington International Airport to Buffalo Niagara Airport flight, few things top the convenience of staying near the terminal. Pick up your bags from the carousel and then be resting not long after at one of these hotels near BUF:

  • Follow your own route with a Buffalo Niagara Airport rental car. Pick up your wheels from Dollar, Hertz or Budget and venture far and wide through Buffalo and beyond.

  • Reserving your ride from Buffalo Niagara Airport around two weeks in advance gives you the best chance of locking in a great deal.

When to fly to Buffalo Niagara Airport (BUF)

  • It's time to work out your travel dates for your flight from Baltimore Washington International Airport to Buffalo Niagara Airport. August is the busiest month to visit Buffalo. If you prefer a more relaxed vibe, go in March.

  • Lock in your flight from Baltimore Washington International Airport to Buffalo Niagara Airport for July if you want to explore Buffalo during its warmest month. You can expect temperatures of between 15ºC (59ºF) and 29ºC (84ºF).

  • January has average temperatures of between -10ºC (14ºF) and 2ºC (36ºF). Look for cheap tickets from BWI to BUF sometime around then if you want to travel when it's cooler.

Explore more of the United States

  • Buffalo is easy to fall in love with, but there are so many other parts of the United States you should also see. About 467 kilometres south-east of Buffalo, a trip to New York will keep your itinerary packed. Start with popular sights like Central Park, Statue of Liberty and Metropolitan Museum of Art.

  • If there's time to check out another great destination in the United States, consider Philadelphia, roughly 451 kilometres south-east of Buffalo. Independence Hall, Liberty Bell and Philadelphia Museum of Art are key highlights.

Plan the rest of your trip from Washington D.C. to Buffalo

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