£99 Cheap Flights from Baltimore (BWI) to Buffalo (BUF)

View £99 flight on Wed, 17 Jun 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £99 for one-way flights and £222 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 6 Jun - Mon, 8 Jun
BWI
Baltimore
BUF
Buffalo
£222 Return, found 6 days ago
£222
Return
found 6 days ago
Select Delta flight, departing Sat, 6 Jun from Baltimore to Buffalo, returning Mon, 8 Jun, priced at £222 found 6 days ago
Delta
Sat, 6 Jun - Mon, 8 Jun
BWI
Baltimore
BUF
Buffalo
£233 Return, found 6 days ago
£233
Return
found 6 days ago
Select Delta flight, departing Sat, 6 Jun from Baltimore to Buffalo, returning Mon, 8 Jun, priced at £233 found 6 days ago
Delta
Sat, 6 Jun - Mon, 8 Jun
BWI
Baltimore
BUF
Buffalo
£241 Return, found 6 days ago
£241
Return
found 6 days ago
Select Delta flight, departing Sat, 6 Jun from Baltimore to Buffalo, returning Mon, 8 Jun, priced at £241 found 6 days ago
American Airlines
Sat, 6 Jun - Mon, 8 Jun
BWI
Baltimore
BUF
Buffalo
£242 Return, found 6 days ago
£242
Return
found 6 days ago
Select American Airlines flight, departing Sat, 6 Jun from Baltimore to Buffalo, returning Mon, 8 Jun, priced at £242 found 6 days ago
American Airlines
Sat, 6 Jun - Mon, 8 Jun
BWI
Baltimore
BUF
Buffalo
£243 Return, found 6 days ago
£243
Return
found 6 days ago
Select American Airlines flight, departing Sat, 6 Jun from Baltimore to Buffalo, returning Mon, 8 Jun, priced at £243 found 6 days ago
Delta
Sat, 6 Jun - Mon, 8 Jun
BWI
Baltimore
BUF
Buffalo
£245 Return, found 6 days ago
£245
Return
found 6 days ago
Select Delta flight, departing Sat, 6 Jun from Baltimore to Buffalo, returning Mon, 8 Jun, priced at £245 found 6 days ago
Delta
Sat, 6 Jun - Mon, 8 Jun
BWI
Baltimore
BUF
Buffalo
£248 Return, found 6 days ago
£248
Return
found 6 days ago
Select Delta flight, departing Sat, 6 Jun from Baltimore to Buffalo, returning Mon, 8 Jun, priced at £248 found 6 days ago
Delta
Sat, 6 Jun - Mon, 8 Jun
BWI
Baltimore
BUF
Buffalo
£264 Return, found 6 days ago
£264
Return
found 6 days ago
Select Delta flight, departing Sat, 6 Jun from Baltimore to Buffalo, returning Mon, 8 Jun, priced at £264 found 6 days ago
Delta
Sat, 6 Jun - Mon, 8 Jun
BWI
Baltimore
BUF
Buffalo
£265 Return, found 6 days ago
£265
Return
found 6 days ago
Select Delta flight, departing Sat, 6 Jun from Baltimore to Buffalo, returning Mon, 8 Jun, priced at £265 found 6 days ago
United
Mon, 11 May - Mon, 18 May
BWI
Baltimore
BUF
Buffalo
£1,016 Return, found 15 hours ago
£1,016
Return
found 15 hours ago
Select United flight, departing Mon, 11 May from Baltimore to Buffalo, returning Mon, 18 May, priced at £1,016 found 15 hours ago

Frequently asked questions

How much does a flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.) cost?
One-way flights typically cost between £160 and £968 and return flights often range between £160 and £968. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
September is typically the cheapest month to fly from Baltimore Washington International Thurgood Marshall (BWI) to Buffalo Niagara International (BUF), with average return fares of approximately £376. This is about 25% lower than the average price throughout the year. September often sees lower prices as the summer travel rush ends and before the holiday season begins, leading to reduced demand. Other cheap months to fly from Baltimore Washington International Thurgood Marshall (BWI) to Buffalo Niagara International (BUF) include April and May.
Which airlines fly direct from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Enter BWI to BUF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
To find a cheap flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The best airline to fly with from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.) will differ from traveller to traveller. If you like to fly early, WN offers early morning flights. If price is the most important factor, WN typically offers the lowest fares. WN offers the most daily flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Based on booking data from the past year, the cheapest months to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.) are typically September and April, with average prices around £376 for a return flight. However, the most popular months for this route are July and August, which means you'll find plenty of flight options during those times. If you're looking for the best value, aiming for September or April will help you save on your trip.
How many flights per day from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
There are approximately 5 nonstop flights per day from Baltimore Washington Intl. Thurgood Marshall (BWI) to Buffalo Niagara Intl. (BUF). For even more choice, look at flights that include layovers, as there are around 57 connecting flights per day. Some common connection points include O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL), and Detroit Metropolitan Wayne County (DTW).
What is the earliest flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The earliest flight from Baltimore Washington Intl. Thurgood Marshall (BWI) to Buffalo Niagara Intl. (BUF) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in December. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
You'll typically find the most flights from Baltimore Washington Intl. Thurgood Marshall (BWI) to Buffalo Niagara Intl. (BUF) on a Friday, with around 21 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Delta Air Lines, Southwest Airlines, and American Airlines. Fridays also offer notably more flight options compared to other days of the week.
What are the most popular departure times for flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The most popular departure times for flights from Baltimore Washington Intl. Thurgood Marshall (BWI) to Buffalo Niagara Intl. (BUF) are in the early morning, from 6am to 9am. About 31% of passengers prefer this time window. Many major carriers, including Delta Air Lines, Southwest Airlines and American Airlines, offer flights during this window. These times work well because you can get an early start to your day at your destination.
How long does it take to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Flying nonstop from BWI to BUF takes around 1 hour 20 minutes, with the route covering approximately 281 miles. Flights with a layover typically take 4 hours 30 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Select the "Business class" and "First class" filters when looking for BWI to BUF flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight with Expedia?
It's easy to earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Buffalo from Baltimore Washington Intl. Thurgood Marshall (BWI)?
If you're planning to travel to Buffalo from Baltimore Washington Intl. Thurgood Marshall (BWI), you can fly directly into Buffalo Niagara Intl. (BUF) Some flights may connect through major hubs like Charlotte-Douglas Intl. (CLT), Logan Intl. (BOS), San Francisco Intl. (SFO) before reaching Buffalo. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.) at the last minute?
Typically, booking a last minute flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package?
Securing a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
If you booked your Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Buffalo Niagara Intl.
Airlines serving
American Airlines, Delta, United
Return price
£222
Distance
449 km
Average flight time
1 hour 16 mins

Book with confidence

Compare flights from Baltimore to Buffalo easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Baltimore to Buffalo. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Buffalo Niagara Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Baltimore Washington Intl. Thurgood Marshall to Buffalo Niagara Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Baltimore Washington Intl. Thurgood Marshall (BWI) to Buffalo Niagara Intl. (BUF)

The easiest way to view the best deals on flights from Baltimore to Buffalo today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Baltimore Washington Intl. Thurgood Marshall to Buffalo Niagara Intl. start at just £222 and range up to £1,016.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Baltimore and Buffalo
  • booking your flight during June, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Baltimore to Buffalo flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Baltimore Washington Intl. Thurgood Marshall to Buffalo Niagara Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Baltimore to Buffalo easily and book with confidence

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*Available to Expedia members.