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$105 Cheap Flights from Baltimore (BWI) to Buffalo (BUF)

View $105 flight on Tue, Sep 15, 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 $105 for one-way flights and $210 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Sep 29 - Wed, Oct 7
BWI
Baltimore
BUF
Buffalo
$210 Roundtrip, found 13 hours ago
$210
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Tue, Sep 29 from Baltimore to Buffalo, returning Wed, Oct 7, priced at $210 found 13 hours ago
Southwest Airlines
Tue, Sep 29 - Wed, Oct 7
BWI
Baltimore
BUF
Buffalo
$219 Roundtrip, found 13 hours ago
$219
Roundtrip
found 13 hours ago
Select Southwest Airlines flight, departing Tue, Sep 29 from Baltimore to Buffalo, returning Wed, Oct 7, priced at $219 found 13 hours ago
Frontier Airlines
Wed, Jul 29 - Wed, Aug 5
BWI
Baltimore
BUF
Buffalo
$220 Roundtrip, found 8 hours ago
$220
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Wed, Jul 29 from Baltimore to Buffalo, returning Wed, Aug 5, priced at $220 found 8 hours ago
Delta
Tue, Sep 29 - Wed, Oct 7
BWI
Baltimore
BUF
Buffalo
$224 Roundtrip, found 13 hours ago
$224
Roundtrip
found 13 hours ago
Select Delta flight, departing Tue, Sep 29 from Baltimore to Buffalo, returning Wed, Oct 7, priced at $224 found 13 hours ago
Frontier Airlines
Wed, Aug 12 - Sat, Aug 15
BWI
Baltimore
BUF
Buffalo
$225 Roundtrip, found 9 hours ago
$225
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Wed, Aug 12 from Baltimore to Buffalo, returning Sat, Aug 15, priced at $225 found 9 hours ago
Southwest Airlines
Tue, Sep 29 - Wed, Oct 7
BWI
Baltimore
BUF
Buffalo
$227 Roundtrip, found 13 hours ago
$227
Roundtrip
found 13 hours ago
Select Southwest Airlines flight, departing Tue, Sep 29 from Baltimore to Buffalo, returning Wed, Oct 7, priced at $227 found 13 hours ago
Southwest Airlines
Wed, Jul 15 - Tue, Jul 21
BWI
Baltimore
BUF
Buffalo
$229 Roundtrip, found 16 hours ago
$229
Roundtrip
found 16 hours ago
Select Southwest Airlines flight, departing Wed, Jul 15 from Baltimore to Buffalo, returning Tue, Jul 21, priced at $229 found 16 hours ago
Frontier Airlines
Tue, Jul 14 - Wed, Jul 15
BWI
Baltimore
BUF
Buffalo
$230 Roundtrip, found 7 hours ago
$230
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Tue, Jul 14 from Baltimore to Buffalo, returning Wed, Jul 15, priced at $230 found 7 hours ago
JetBlue Airways
Tue, Sep 8 - Tue, Sep 15
BWI
Baltimore
BUF
Buffalo
$363 Roundtrip, found 22 hours ago
$363
Roundtrip
found 22 hours ago
Select JetBlue Airways flight, departing Tue, Sep 8 from Baltimore to Buffalo, returning Tue, Sep 15, priced at $363 found 22 hours ago
American Airlines
Tue, Aug 25 - Thu, Aug 27
BWI
Baltimore
BUF
Buffalo
$419 Roundtrip, just found
$419
Roundtrip
just found
Select American Airlines flight, departing Tue, Aug 25 from Baltimore to Buffalo, returning Thu, Aug 27, priced at $419 just found

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 $263
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $263

What you need to know for your flight from Baltimore Washington Intl. Thurgood Marshall to Buffalo Niagara Intl.

Baltimore (BWI) to Buffalo (BUF) at a glance

Discover a range of airlines offering routes from Baltimore (BWI) to Buffalo (BUF) on this quick domestic journey. Compare choices from both full-service and budget carriers to uncover options that align with your budget and travel schedule as you prepare to explore Buffalo's iconic attractions and neighborhoods. Gather essential details for flights from Baltimore Washington International Thurgood Marshall Airport (BWI) to Buffalo Niagara International Airport (BUF).

  • Fastest flight duration: around 1h 15m non-stop
  • Route distance: roughly 300 miles (485 km)
  • Flights per week: around 11 departures on average
  • Typical fares (one-way): economy tickets often range from $75–$370, depending on seasonality and how far ahead you book

Flights from Baltimore Washington International Thurgood Marshall Airport (BWI) to Buffalo Niagara International Airport (BUF)

According to recent traveler bookings, here are the most popular airlines for flights from Baltimore to Buffalo, featuring both non-stop and one-stop options. Common layover points include Charlotte-Douglas International Airport (CLT) with about a 1 hour and 15 minute layover, Hartsfield-Jackson Atlanta International Airport (ATL) at approximately 2 hours, and Tampa International Airport (TPA) with a 1 hour and 45 minute layover. This variety allows you to compare prices, total travel times, and cabin classes to find your ideal itinerary.

  • Southwest Airlines: This budget-friendly airline provides non-stop flights, with one-way fares generally falling between $75 and $370. It dominates the route with about 85% of departures, and the total travel time is approximately 1 hour and 15 minutes.
  • American Airlines: Known for its full-service offerings, this carrier provides one-stop options with one-way tickets typically priced from $105 to $325. It represents around 8% of the route's departures, featuring an in-flight duration of 3 hours and 30 minutes, resulting in a total journey time of about 5 hours and 15 minutes, including layover.
  • Frontier Airlines: A budget airline that offers one-stop services, with one-way fares usually ranging from $75 to $180. It accounts for about 5% of the departures on this route, with an in-flight time of 3 hours and 30 minutes and a total travel duration of roughly 5 hours and 15 minutes, factoring in the layover.
  • Delta: This full-service airline features one-stop flights, with one-way prices typically between $120 and $315. Delta provides around 2% of departures on this route, with an in-flight time of 3 hours and 30 minutes, leading to a total travel time of approximately 5 hours and 15 minutes, including layover.

Best time to fly from Baltimore (BWI) to Buffalo (BUF)

The most popular months for travelers flying from Baltimore to Buffalo are April, August, and September, when peak temperatures in Buffalo reach up to 70.7°F in August. If you prefer quieter travel, consider February, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 26.1°F. For better deals, May usually offers the lowest average one-way fare around $187. Flight availability peaks in August, with approximately 14 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: May usually offers good deals with average one-way fare around $187, roughly 16% cheaper than the yearly average.
  • Another budget-friendly time to fly: August typically offers an average one-way fare of around $196.
  • Most flight options: August has the highest number of flights from Baltimore to Buffalo, with approximately 14 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January25.5°F (-3.6°C)Moderately Low10$224
February26.1°F (-3.3°C)Moderately Low9$216
March34.3°F (1.3°C)Average11$242
April45.0°F (7.2°C)Moderately High11$235
May57.7°F (14.3°C)Average10$187
June66.0°F (18.9°C)Average12$211
July72.0°F (22.2°C)Average12$250
August70.7°F (21.5°C)Moderately High14$196
September64.6°F (18.1°C)Moderately High12$212
October53.2°F (11.8°C)Average12$214
November41.4°F (5.2°C)Average12$241
December33.1°F (0.6°C)Moderately Low10$254

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Baltimore (BWI) to Buffalo (BUF)

  • Baltimore to Niagara Falls (BWI-IAG): Located approximately 16 miles from Buffalo Niagara International Airport (BUF), Niagara Falls International Airport (IAG) serves as a convenient gateway to this stunning natural wonder.

How to find the best prices for flights from Baltimore (BWI) to Buffalo (BUF)

Getting some of the best deals on flights from Baltimore to Buffalo is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, although most travelers tend to book 2 to 8 weeks ahead. Departures during the morning hours (5 AM to 12 PM) often provide lower prices and are popular among travelers, while flying on Tuesday typically offers cheaper fares, despite Friday being the most sought-after travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Buffalo Niagara International Airport from Baltimore Washington International Thurgood Marshall Airport

Buffalo welcomes travelers from Baltimore with a range of transport options based on price, convenience, and proximity. Here's how to reach Buffalo efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Buffalo, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Buffalo Niagara International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Buffalo Niagara International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Buffalo Niagara International Airport, Buffalo-Depew Station, a train station, is located about 2.6 miles away by car, while University Station, a metro station, is situated approximately 6.5 miles away by car, providing convenient access to public transport options.

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 $105 and cheap return flights from $210 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, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$210
Distance
280 mi
Average flight time
1 hour 14 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 September. 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 $105 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.

*Available to One Key members.

 

How to find the latest flight deals from Baltimore (BWI) to Buffalo (BUF)?

Last updated:

This page highlights the latest flight deals from Baltimore to Buffalo (BWI to BUF), including one-way and roundtrip options from multiple airlines. The deals featured here are updated regularly, so you’ll always find the most up-to-date prices and best available flights for your trip from Baltimore to Buffalo.

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