$89 Cheap Flights from Buffalo (BUF) to Baltimore (BWI)

View $89 flight on Tue, Aug 19, 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Buffalo to Baltimore (BUF-BWI)

Prices were available within the past 7 days and start at $89 for one-way flights and $177 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Sat, Aug 30 - Wed, Sep 3
BUF
Buffalo
BWI
Baltimore
$177 Roundtrip, found 1 hour ago
$177
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Sat, Aug 30 from Buffalo to Baltimore, returning Wed, Sep 3, priced at $177 found 1 hour ago
Southwest Airlines
Sat, Aug 30 - Wed, Sep 3
BUF
Buffalo
BWI
Baltimore
$182 Roundtrip, found 1 hour ago
$182
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Sat, Aug 30 from Buffalo to Baltimore, returning Wed, Sep 3, priced at $182 found 1 hour ago
Southwest Airlines
Wed, Aug 27 - Tue, Sep 2
BUF
Buffalo
BWI
Baltimore
$183 Roundtrip, found 2 days ago
$183
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Wed, Aug 27 from Buffalo to Baltimore, returning Tue, Sep 2, priced at $183 found 2 days ago
Delta
Sat, Sep 6 - Sat, Sep 13
BUF
Buffalo
BWI
Baltimore
$187 Roundtrip, just found
$187
Roundtrip
just found
Select Delta flight, departing Sat, Sep 6 from Buffalo to Baltimore, returning Sat, Sep 13, priced at $187 just found
American Airlines
Sat, Aug 30 - Wed, Sep 3
BUF
Buffalo
BWI
Baltimore
$187 Roundtrip, found 1 hour ago
$187
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sat, Aug 30 from Buffalo to Baltimore, returning Wed, Sep 3, priced at $187 found 1 hour ago
Delta
Wed, Oct 22 - Sat, Oct 25
BUF
Buffalo
BWI
Baltimore
$188 Roundtrip, found 1 day ago
$188
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Oct 22 from Buffalo to Baltimore, returning Sat, Oct 25, priced at $188 found 1 day ago
Frontier Airlines
Sat, Aug 16 - Sat, Aug 23
BUF
Buffalo
BWI
Baltimore
$188 Roundtrip, found 1 day ago
$188
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Aug 16 from Buffalo to Baltimore, returning Sat, Aug 23, priced at $188 found 1 day ago
Delta
Tue, Sep 2 - Sat, Sep 6
BUF
Buffalo
BWI
Baltimore
$189 Roundtrip, found 1 hour ago
$189
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Sep 2 from Buffalo to Baltimore, returning Sat, Sep 6, priced at $189 found 1 hour ago
Frontier Airlines
Sun, Aug 31 - Wed, Sep 3
BUF
Buffalo
BWI
Baltimore
$193 Roundtrip, just found
$193
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, Aug 31 from Buffalo to Baltimore, returning Wed, Sep 3, priced at $193 just found
United
Tue, Aug 26 - Mon, Sep 1
BUF
Buffalo
BWI
Baltimore
$491 Roundtrip, found 1 day ago
$491
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 26 from Buffalo to Baltimore, returning Mon, Sep 1, priced at $491 found 1 day ago

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

April is typically the cheapest month to fly

From $97 - $435 per traveler.

Graph displaying average flight prices per month

Alternative airports near Baltimore

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

Select flight to Ronald Reagan Washington National DCA. Average driving time to city center is 57 minutes. Flights from $311
DCA
Ronald Reagan Washington National
Average driving time to city center57 min
Flights from $311
Flights from Buffalo (BUF) to Baltimore (BWI)
Origin airport
Buffalo Niagara Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$177
Distance
280 mi
Average flight time
1 hour 13 mins

Buffalo to Baltimore Flights

The cheapest times to fly from Buffalo to Baltimore

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 Buffalo to Baltimore are during the month of August. You can find some of the cheapest flights from Buffalo to Baltimore with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buffalo to Baltimore

Sunday is one of the best days to book for cheap flights from Buffalo to Baltimore: 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 Buffalo to Baltimore

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 Buffalo to Baltimore in 2025. You can also book with separate airlines for your outbound and return journeys, from $89 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 Buffalo to Baltimore 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 Buffalo to Baltimore 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 Buffalo Niagara Intl. Airport (BUF) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) cost?
You can find cheap return tickets from Buffalo Niagara Intl. Airport (BUF) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) starting from $177. Book your seat and get ready to go. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving BUF on August 19 2025 and touching down at BWI. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from BUF to BWI?
The cheapest flights from BUF to BWI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Buffalo Niagara Intl. Airport (BUF) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
When heading out of Buffalo Niagara Intl. Airport (BUF), you can jump on a direct flight to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) with Southwest Airlines.
What is the cheapest airline that flies from BUF to BWI?
Currently, the cheapest airline offering one-way flights from BUF to BWI is Southwest Airlines. You can book a seat on this route from $89. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BUF on September 24 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
With an average of 3 nonstop flights departing from Buffalo Niagara Intl. Airport (BUF) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) every day, you'll be cruising above the clouds before you know it.
What are the most popular departure times for flights from Buffalo Niagara Intl. Airport (BUF) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
More travelers fly between BUF and BWI at 6 AM than at any other point in the day. Looking for a quieter experience? Pick a flight outside the busiest times and you're likely to save on your fare as well.
What day of the week has the most flights from BUF to BWI?
If you depart on a Friday, you'll get the widest range of choices for flights from Buffalo Niagara Intl. Airport (BUF) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI).
What is the earliest flight from Buffalo Niagara Intl. Airport (BUF) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
The first flight of the day out of Buffalo Niagara Intl. Airport (BUF) is at around 5:35AM UTC-5. Catch this flight and you'll reach Baltimore Washington Intl. Thurgood Marshall Airport (BWI) at approximately 7:00AM UTC-5. The total time in the air is 1h 25m.
How long does it take to fly from Buffalo Niagara Intl. Airport (BUF) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
The average flight time from BUF to BWI is 1 hour and 20 minutes, covering a total distance of 280 mi.
What is the best time to fly from Buffalo Niagara Intl. Airport (BUF) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
To avoid possible delays on the Buffalo Niagara Intl. Airport (BUF) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) route, fly before 3 PM. Departures after this time are 22% more likely to be canceled.**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 Baltimore from Buffalo Niagara Intl. Airport (BUF)?
Buffalo Niagara Intl. Airport (BUF) has direct flights to Baltimore. Here are a few of the airports you can fly to without detours:

  • Ronald Reagan Washington National Airport (DCA)
  • Washington Dulles Intl. Airport (IAD)
  • Baltimore Washington Intl. Thurgood Marshall Airport (BWI)

Is it cheaper to buy a plane ticket from Buffalo Niagara Intl. Airport (BUF) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) last-minute?
Last-minute fares from BUF to BWI are typically more expensive. To lock in the lowest prices, start looking for flights early. That being said, if you can play around with your travel dates, you may score a cheap ticket right before your trip.
Is it cheaper to book a BUF to BWI flight and hotel package?
Compared with arranging hotels and flights separately, booking a BUF to BWI flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place takes the hassle out of planning your trip. Just secure your flights and select from our wide 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 Buffalo Niagara Intl. Airport (BUF) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Typically, it's possible to cancel or reschedule your BUF to BWI flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.