$90 Cheap Flights from Baltimore (BWI) to Buffalo (BUF)

View $90 flight on Mon, May 11, 2026Opens 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 $90 for one-way flights and $165 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Apr 30 - Wed, May 6
BWI
Baltimore
BUF
Buffalo
$165 Roundtrip, found 17 hours ago
$165
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Thu, Apr 30 from Baltimore to Buffalo, returning Wed, May 6, priced at $165 found 17 hours ago
Frontier Airlines
Thu, Apr 23 - Tue, Apr 28
BWI
Baltimore
BUF
Buffalo
$170 Roundtrip, found 7 hours ago
$170
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Thu, Apr 23 from Baltimore to Buffalo, returning Tue, Apr 28, priced at $170 found 7 hours ago
Frontier Airlines
Thu, Apr 23 - Mon, Apr 27
BWI
Baltimore
BUF
Buffalo
$180 Roundtrip, found 1 day ago
$180
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Apr 23 from Baltimore to Buffalo, returning Mon, Apr 27, priced at $180 found 1 day ago
Frontier Airlines
Fri, Apr 3 - Sat, Apr 11
BWI
Baltimore
BUF
Buffalo
$185 Roundtrip, found 3 hours ago
$185
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Fri, Apr 3 from Baltimore to Buffalo, returning Sat, Apr 11, priced at $185 found 3 hours ago
Frontier Airlines
Thu, Apr 23 - Mon, Apr 27
BWI
Baltimore
BUF
Buffalo
$186 Roundtrip, just found
$186
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Apr 23 from Baltimore to Buffalo, returning Mon, Apr 27, priced at $186 just found
Delta
Mon, Apr 27 - Tue, Apr 28
BWI
Baltimore
BUF
Buffalo
$189 Roundtrip, found 2 hours ago
$189
Roundtrip
found 2 hours ago
Select Delta flight, departing Mon, Apr 27 from Baltimore to Buffalo, returning Tue, Apr 28, priced at $189 found 2 hours ago
Frontier Airlines
Thu, Apr 23 - Mon, Apr 27
BWI
Baltimore
BUF
Buffalo
$190 Roundtrip, found 7 hours ago
$190
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Thu, Apr 23 from Baltimore to Buffalo, returning Mon, Apr 27, priced at $190 found 7 hours ago
Southwest Airlines
Mon, Apr 27 - Tue, Apr 28
BWI
Baltimore
BUF
Buffalo
$208 Roundtrip, found 2 hours ago
$208
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Mon, Apr 27 from Baltimore to Buffalo, returning Tue, Apr 28, priced at $208 found 2 hours ago
American Airlines
Tue, May 12 - Wed, May 13
BWI
Baltimore
BUF
Buffalo
$219 Roundtrip, found 7 hours ago
$219
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Tue, May 12 from Baltimore to Buffalo, returning Wed, May 13, priced at $219 found 7 hours ago
United
Wed, May 6 - Tue, May 12
BWI
Baltimore
BUF
Buffalo
$585 Roundtrip, found 1 day ago
$585
Roundtrip
found 1 day ago
Select United flight, departing Wed, May 6 from Baltimore to Buffalo, returning Tue, May 12, priced at $585 found 1 day ago

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 $185
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $185

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

April is typically the cheapest month to fly

From $112 - $433 per traveler.

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?
You can find cheap one-way flights from $90 and cheap return flights from $165 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.) with Expedia. One-way flights generally range between $116 and $704, and roundtrip flights usually range from $295 to $1048. 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
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 the cheapest month to fly from Baltimore, MD (BWI) to Buffalo, NY (BUF), with average round-trip fares around $271. This is about 25% lower than the average price throughout the year, as travel demand tends to be lower in the early fall. Other budget-friendly months include April and May.*Averages based on flights available on Expedia in the last year.
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.
What is the cheapest airline that flies from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Southwest Airlines is one of the cheapest airlines offering nonstop flights from Baltimore (BWI) to Buffalo (BUF), with round-trip tickets starting from around $200. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
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) to Buffalo, NY (BUF) will differ from traveler to traveler. If you like to fly early, WN offers early morning flights. If price is the most important factor, WN typically offers the lowest fares. Delta offers the most daily flights from BWI to BUF, which is great 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.)?
The ideal times to fly from Baltimore, MD (BWI) to Buffalo, NY (BUF) are September and April. During these months, return flights average about $271, making them both economical and convenient. September is great for enjoying the fall colors, while April marks the start of spring, providing a refreshing travel experience.*Prices based on flights available on Expedia in the last year.
How many flights per day from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
You can find approximately 5 nonstop flights per day from Baltimore Washington Intl. Thurgood Marshall (BWI) to Buffalo Niagara Intl. (BUF). For more options, look at flights that include layovers.
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 International Thurgood Marshall Airport (BWI) to Buffalo Niagara International Airport (BUF) usually departs at around 5:00 AM. This seasonal service, operated by American Airlines, allows you to make the most of your day in Buffalo. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
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, Southwest and American Airlines, offer flights during this window. This timing works well because it allows you to maximize your day in Buffalo.
How long does it take to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
A nonstop flight from BWI to BUF typically takes around 1 hour 20 minutes, covering approximately 281 miles. Connecting flights on this route usually add 3 hours 40 minutes to your travel time. 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 into Buffalo Niagara Intl. (BUF) Some flights may connect through major hubs like O'Hare Intl. (ORD), San Francisco Intl. (SFO), Charlotte-Douglas Intl. (CLT) 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.) Buffalo Vacation Packages 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, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$165
Distance
280 mi
Average flight time
1 hour 15 mins

Book with confidence

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 April. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $90 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.

 

Baltimore to Buffalo Flights

*Flight schedules are subject to change.

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*Available to One Key members.