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Cheap flight tickets 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 Airport to Buffalo Niagara Airport

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 RM597. Find the lowest prices on one-way and return tickets right here.
Buffalo.RM597 per passenger.Departing Wed, 22 Apr, returning Sat, 25 Apr.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Wed, 22 Apr, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Sat, 25 Apr, arriving in Baltimore Washington International.Price includes taxes and charges.From RM597, select.
Buffalo.RM632 per passenger.Departing Tue, 12 May, returning Wed, 13 May.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Tue, 12 May, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Wed, 13 May, arriving in Baltimore Washington International.Price includes taxes and charges.From RM632, select.
Buffalo.RM1,026 per passenger.Departing Wed, 22 Apr, returning Sat, 25 Apr.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Wed, 22 Apr, arriving in Buffalo Niagara.Inbound direct flight with Southwest Airlines departs from Buffalo Niagara on Sat, 25 Apr, arriving in Baltimore Washington International.Price includes taxes and charges.From RM1,026, select.
Buffalo.RM1,069 per passenger.Departing Mon, 18 May, returning Tue, 19 May.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Mon, 18 May, arriving in Buffalo Niagara.Inbound direct flight with Southwest Airlines departs from Buffalo Niagara on Tue, 19 May, arriving in Baltimore Washington International.Price includes taxes and charges.From RM1,069, select.
Buffalo.RM1,090 per passenger.Departing Mon, 16 Mar, returning Mon, 23 Mar.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Mon, 16 Mar, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Mon, 23 Mar, arriving in Baltimore Washington International.Price includes taxes and charges.From RM1,090, select.
Buffalo.RM1,145 per passenger.Departing Thu, 4 Jun, returning Sun, 7 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Thu, 4 Jun, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Sun, 7 Jun, arriving in Baltimore Washington International.Price includes taxes and charges.From RM1,145, select.
Buffalo.RM1,169 per passenger.Departing Tue, 31 Mar, returning Sun, 12 Apr.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Tue, 31 Mar, arriving in Buffalo Niagara.Inbound direct flight with Southwest Airlines departs from Buffalo Niagara on Sun, 12 Apr, arriving in Baltimore Washington International.Price includes taxes and charges.From RM1,169, select.
Buffalo.RM1,169 per passenger.Departing Wed, 10 Jun, returning Sun, 14 Jun.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Wed, 10 Jun, arriving in Buffalo Niagara.Inbound direct flight with Southwest Airlines departs from Buffalo Niagara on Sun, 14 Jun, arriving in Baltimore Washington International.Price includes taxes and charges.From RM1,169, select.
Buffalo.RM1,275 per passenger.Departing Tue, 30 Jun, returning Sat, 4 Jul.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Tue, 30 Jun, arriving in Buffalo Niagara.Inbound direct flight with Southwest Airlines departs from Buffalo Niagara on Sat, 4 Jul, arriving in Baltimore Washington International.Price includes taxes and charges.From RM1,275, select.
Buffalo.RM1,275 per passenger.Departing Mon, 6 Jul, returning Wed, 8 Jul.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Mon, 6 Jul, arriving in Buffalo Niagara.Inbound direct flight with Southwest Airlines departs from Buffalo Niagara on Wed, 8 Jul, arriving in Baltimore Washington International.Price includes taxes and charges.From RM1,275, select.
Buffalo.RM1,314 per passenger.Departing Thu, 8 Oct, returning Sun, 11 Oct.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Thu, 8 Oct, arriving in Buffalo Niagara.Inbound direct flight with Southwest Airlines departs from Buffalo Niagara on Sun, 11 Oct, arriving in Baltimore Washington International.Price includes taxes and charges.From RM1,314, select.
Buffalo.RM1,359 per passenger.Departing Sun, 26 Jul, returning Sun, 2 Aug.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Sun, 26 Jul, arriving in Buffalo Niagara.Inbound direct flight with Southwest Airlines departs from Buffalo Niagara on Sun, 2 Aug, arriving in Baltimore Washington International.Price includes taxes and charges.From RM1,359, select.
Buffalo.RM1,492 per passenger.Departing Fri, 27 Mar, returning Mon, 30 Mar.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Fri, 27 Mar, arriving in Buffalo Niagara.Inbound direct flight with Southwest Airlines departs from Buffalo Niagara on Mon, 30 Mar, arriving in Baltimore Washington International.Price includes taxes and charges.From RM1,492, select.
Buffalo.RM1,739 per passenger.Departing Sat, 2 Jan, returning Sun, 3 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Sat, 2 Jan, arriving in Buffalo Niagara.Inbound indirect flight with Delta, departs from Buffalo Niagara on Sun, 3 Jan, arriving in Baltimore Washington International.Price includes taxes and charges.From RM1,739, select.
Buffalo.RM2,729 per passenger.Departing Sat, 5 Sep, returning Mon, 7 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Sat, 5 Sep, arriving in Buffalo Niagara.Inbound indirect flight with Delta, departs from Buffalo Niagara on Mon, 7 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From RM2,729, 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 April.
Mar
from RM1,090
Apr
from RM597
May
from RM632
Jun
from RM1,145
Jul
from RM1,275
Aug
Find prices
Sep
from RM2,729
Oct
from RM1,314
Nov
Find prices
Dec
Find prices
Jan
from RM1,739
Feb
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 RM597
Search flights

Niagara Falls

24km from central Buffalo
from RM3,065
Search flights

Jamestown

88km from central Buffalo
Search flights

Washington D.C. to Buffalo: Flight information

The things to know before you go.
Cheapest flight foundRM597
Cheapest month to flyApril
Average flight time1 hr, 16 mins
Most popular airlineSouthwest Airlines
Average flights per week35

Check out these Buffalo hotels

Ready to plan your stay? Other travellers rate these Buffalo hotels for cleanliness, service and location.
InnBuffalo Off Elmwood
3.76 km from city centre
RM631
Per night
Buffalo Guesthouse
1.69 km from city centre
RM593
Per night
Buffalo Harmony House
1.64 km from city centre
RM1,129
Per night
InnBuffalo Off Elmwood
3.76 km from city centre
RM631
Per night
Buffalo Guesthouse
1.69 km from city centre
RM593
Per night
Buffalo Harmony House
1.64 km from city centre
RM1,129
Per night
Explore top-rated hotels

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 RM597. 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 16 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 March 2026, there are 35 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 April.
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 Wednesday, 22 April 2026.
Yes – the average flight time is 1 hour and 16 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/Wash International Thurgood Marshall Airport (BWI) to Buffalo Niagara International Airport (BUF): what you need to know

  • Around 1 hour 10 minutes is how long you'll be travelling on a direct flight from Baltimore/Wash International Thurgood Marshall Airport to Buffalo Niagara International Airport.

  • Each week, there are 25 Baltimore/Wash International Thurgood Marshall Airport to Buffalo Niagara International Airport flights. To take off as soon as possible, select the 08:30 Southwest Airlines flight. If you're eager to make the most of your day before you fly, the latest flight is at 22:55 with Southwest Airlines.

  • 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 catch your BWI to BUF flight.

  • Travelling during a peak month such as July? Major public holidays and other high seasons can mean longer lines at check-in and security. Be extra cautious and get there up to four hours ahead of an international flight and two hours before domestic departures.

  • Travelling to Buffalo (and then discovering more of United States!) is a cinch with Southwest Airlines. This popular carrier has direct flights from Baltimore/Wash International Thurgood Marshall Airport to Buffalo Niagara International Airport.

  • The airline with the highest booking volume on this route is Southwest Airlines.

  • The most punctual carrier that offers BWI to BUF flights is Southwest Airlines. Its services arrive as planned 77.15% of the time.

  • If you'd like to explore another city along the way, just deselect 'Direct flights only' when searching for your ticket from Baltimore/Wash International Thurgood Marshall Airport to Buffalo Niagara International Airport. Here are the most popular stopovers between BWI and BUF:

    • Charlotte Douglas International Airport

    • John F. Kennedy International Airport

    • Detroit Metropolitan Wayne County Airport

How to find the cheapest flights from Baltimore/Wash International Thurgood Marshall Airport (BWI) to Buffalo Niagara International Airport (BUF)

  • At the moment, RM239 is the cheapest price we've found for a one-way Baltimore/Wash International Thurgood Marshall Airport to Buffalo Niagara International Airport flight. The best price for a return ticket is RM597. Bear in mind that fares can change due to demand when booking.

  • Book seven months before you want to fly. After looking at the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from BWI to BUF.

  • The cheapest month for flights from Baltimore/Wash International Thurgood Marshall Airport to Buffalo Niagara International Airport is June. Use the 'Whole month' tool to see the lowest airfares if you have a flexible travel schedule.

  • Stay on top of deals for cheap flights from BWI to BUF by creating a Price Alert. We'll send you an email or notification through the app when a special offer becomes available.

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

Handy information about Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Of all flights departing from Baltimore/Wash International Thurgood Marshall Airport, 77.13% land on schedule at their destination.

  • Central Washington DC to Baltimore/Wash International Thurgood Marshall Airport is approximately 48 kilometres. Depending on traffic, it'll take you about 50 minutes to get there if you're driving, catching a cab or ride-sharing.

  • Expect a trip time of around 1 hour 30 minutes on public transport.

  • Need a convenient hotel close to BWI? If you've booked an early flight from Baltimore/Wash International Thurgood Marshall Airport to Buffalo Niagara International Airport, these accommodation options will put you moments from your departure lounge:

Arriving at Buffalo Niagara International Airport (BUF)

  • The last thing you need is a long trip to your hotel if you're landing late on a Baltimore/Wash International Thurgood Marshall Airport to Buffalo Niagara International Airport flight. Check in to one of these accommodation options near BUF instead:

  • Fast-track your adventure by picking up a Buffalo Niagara International Airport rental car. Grab your wheels from Dollar, Hertz or Budget and explore beyond Buffalo's usual tourist stops.

  • Booking your ride from Buffalo Niagara International Airport about two weeks in advance boosts your odds of scoring a great price.

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

  • BUF is located at Genesee Street.

  • Buffalo Niagara International Airport to central Buffalo has a drive time of around 20 minutes. It's approximately 18 kilometres away.

  • It takes around 1 hour 15 minutes if you're travelling on public transport.

When to fly to Buffalo Niagara International Airport (BUF)

  • August is the busiest month for flights from Baltimore/Wash International Thurgood Marshall Airport to Buffalo Niagara International Airport. To steer clear of the crowds, visit Buffalo in May.

  • Book your flight from Baltimore/Wash International Thurgood Marshall Airport to Buffalo Niagara International Airport for July if you want to explore Buffalo during its warmest month. Expect temperatures of between 15ºC (59ºF) and 28ºC (82ºF).

  • January sees average temperatures of between -10ºC (14ºF) and 2ºC (36ºF). Search for cheap tickets from BWI to BUF sometime then if you want to travel in cooler conditions.

Explore more of United States

  • Buffalo has plenty going for it, but there are so many other parts of United States you should also see. Around 467 kilometres south-east of Buffalo, a trip to New York will keep your itinerary busy. Start with attractions like Statue of Liberty, Central Park and Empire State Building.

  • Philadelphia is another essential stop in United States and is around 451 kilometres south-east of Buffalo. No trip is complete without experiencing Liberty Bell, Independence Hall and Philadelphia Museum of Art.

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 45 days.