$77 Cheap Flights from Baltimore (BWI) to Buffalo (BUF)

View $77 flight on Sun, Sep 28, 2025Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Buffalo Niagara Intl. Airport (BUF)

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Cheap Flights from Baltimore to Buffalo (BWI-BUF)

Prices were available within the past 7 days and start at $77 for one-way flights and $154 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Oct 2 - Sun, Oct 5
BWI
Baltimore
BUF
Buffalo
$154 Roundtrip, found 10 hours ago
$154
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Thu, Oct 2 from Baltimore to Buffalo, returning Sun, Oct 5, priced at $154 found 10 hours ago
Frontier Airlines
Fri, Oct 31 - Sun, Nov 2
BWI
Baltimore
BUF
Buffalo
$160 Roundtrip, found 2 days ago
$160
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Oct 31 from Baltimore to Buffalo, returning Sun, Nov 2, priced at $160 found 2 days ago
Frontier Airlines
Thu, Nov 6 - Sun, Nov 9
BWI
Baltimore
BUF
Buffalo
$166 Roundtrip, just found
$166
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Nov 6 from Baltimore to Buffalo, returning Sun, Nov 9, priced at $166 just found
Frontier Airlines
Fri, Nov 7 - Tue, Nov 11
BWI
Baltimore
BUF
Buffalo
$174 Roundtrip, found 5 hours ago
$174
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Fri, Nov 7 from Baltimore to Buffalo, returning Tue, Nov 11, priced at $174 found 5 hours ago
Frontier Airlines
Thu, Sep 25 - Fri, Oct 3
BWI
Baltimore
BUF
Buffalo
$178 Roundtrip, found 13 hours ago
$178
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Thu, Sep 25 from Baltimore to Buffalo, returning Fri, Oct 3, priced at $178 found 13 hours ago
Frontier Airlines
Sun, Sep 28 - Sat, Oct 4
BWI
Baltimore
BUF
Buffalo
$184 Roundtrip, found 6 days ago
$184
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sun, Sep 28 from Baltimore to Buffalo, returning Sat, Oct 4, priced at $184 found 6 days ago
Southwest Airlines
Wed, Sep 17 - Thu, Sep 18
BWI
Baltimore
BUF
Buffalo
$186 Roundtrip, found 1 day ago
$186
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Wed, Sep 17 from Baltimore to Buffalo, returning Thu, Sep 18, priced at $186 found 1 day ago
Delta
Wed, Oct 1 - Sun, Oct 5
BWI
Baltimore
BUF
Buffalo
$191 Roundtrip, found 2 days ago
$191
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Oct 1 from Baltimore to Buffalo, returning Sun, Oct 5, priced at $191 found 2 days ago
American Airlines
Wed, Oct 8 - Tue, Oct 14
BWI
Baltimore
BUF
Buffalo
$198 Roundtrip, found 1 hour ago
$198
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Oct 8 from Baltimore to Buffalo, returning Tue, Oct 14, priced at $198 found 1 hour ago
United
Sat, Oct 25 - Tue, Oct 28
BWI
Baltimore
BUF
Buffalo
$501 Roundtrip, found 12 hours ago
$501
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Oct 25 from Baltimore to Buffalo, returning Tue, Oct 28, priced at $501 found 12 hours ago

Find the cheapest month to fly from Baltimore (BWI) to Buffalo (BUF)

March is typically the cheapest month to fly

From $112 - $399 per traveler.

Graph displaying average flight prices per month

Alternative airports near Buffalo

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Buffalo Niagara Intl. BUF. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $385
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $385
Flights from Baltimore (BWI) to Buffalo (BUF)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Buffalo Niagara Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$154
Distance
280 mi
Average flight time
1 hour 14 mins

Baltimore to Buffalo Flights

The cheapest times to fly from Baltimore to Buffalo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Baltimore to Buffalo are during the month of October. You can find some of the cheapest flights from Baltimore to Buffalo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Baltimore to Buffalo

Sunday is one of the best days to book for cheap flights from Baltimore to Buffalo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Baltimore to Buffalo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Baltimore to Buffalo in 2025. You can also book with separate airlines for your outbound and return journeys, from $77 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Baltimore to Buffalo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Baltimore to Buffalo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Buffalo Niagara Intl. Airport (BUF) cost?
Lock in a cheap one-way flight from $77 or cheap return flight from $154 from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Buffalo Niagara Intl. Airport (BUF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Buffalo Niagara Intl. Airport (BUF)?
Flying in October is a good way to save, as it's the cheapest month for flights between BWI and BUF. You'll often find the lowest prices during the off-season.
Which airlines fly direct from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Buffalo Niagara Intl. Airport (BUF)?
Jump on a nonstop flight with Southwest Airlines and go straight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Buffalo Niagara Intl. Airport (BUF).
What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Buffalo Niagara Intl. Airport (BUF)?
To find the cheapest airline flying from BWI to BUF, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Buffalo Niagara Intl. Airport (BUF)?
Each day on average, 3 direct flights operate from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Buffalo Niagara Intl. Airport (BUF). Choose the departure time that fits your schedule best.
What are the most popular departure times for flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Buffalo Niagara Intl. Airport (BUF)?
The 11 AM departures from BWI to BUF are the busiest. These flights can come with a higher price due to their popularity. If you're hoping to save money, pick a less crowded time to fly.
What day of the week has the most flights from BWI to BUF?
Travel on a Friday if you're searching for the best selection of flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Buffalo Niagara Intl. Airport (BUF).
What is the earliest flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Buffalo Niagara Intl. Airport (BUF)?
Baltimore Washington Intl. Thurgood Marshall Airport (BWI)'s earliest flight to Buffalo Niagara Intl. Airport (BUF) departs at approximately 10:50AM UTC-5. With a total flight time of 1h 15m, you'll arrive at around 12:05PM UTC-5.
How long does it take to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Buffalo Niagara Intl. Airport (BUF)?
Flights from BWI to BUF have an average travel time of 1 hour and 14 minutes. The distance between these two airports is 280 mi.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Buffalo Niagara Intl. Airport (BUF)?
To arrive at Buffalo Niagara Intl. Airport (BUF) on time, opt for a flight that leaves Baltimore Washington Intl. Thurgood Marshall Airport (BWI) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Buffalo from Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
If you're traveling on a direct flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Buffalo, Buffalo Niagara Intl. Airport (BUF) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Buffalo Niagara Intl. Airport (BUF) last-minute?
Holding off until just before your departure to book your flight from BWI to BUF often results in higher prices. While you might find some last-minute offers, they're not always guaranteed. Be flexible with your itinerary for the best chance of scoring a bargain.
Is it cheaper to book a BWI to BUF flight and hotel package?
Compared with arranging flights and hotels separately, booking a BWI to BUF flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place will take the stress out of planning your trip. Simply pick your flights and choose from our extensive range of stays, then customize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Buffalo Niagara Intl. Airport (BUF)?
If you booked your BWI to BUF flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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