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$108 Cheap Flights from Milwaukee (MKE) to Buffalo (BUF)

View $108 flight on Tue, Aug 11, 2026Opens in a new window

Popular airlines from General Mitchell Intl. Airport (MKE) to Buffalo Niagara Intl. Airport (BUF)

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Cheap Flights from Milwaukee to Buffalo (MKE-BUF)

Prices were available within the past 7 days and start at $108 for one-way flights and $219 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Aug 26 - Sat, Aug 29
MKE
Milwaukee
BUF
Buffalo
$219 Roundtrip, found 5 days ago
$219
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Aug 26 from Milwaukee to Buffalo, returning Sat, Aug 29, priced at $219 found 5 days ago
Frontier Airlines
Tue, Aug 4 - Wed, Aug 5
MKE
Milwaukee
BUF
Buffalo
$220 Roundtrip, found 2 days ago
$220
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Aug 4 from Milwaukee to Buffalo, returning Wed, Aug 5, priced at $220 found 2 days ago
American Airlines
Tue, Aug 18 - Sat, Aug 22
MKE
Milwaukee
BUF
Buffalo
$222 Roundtrip, found 5 days ago
$222
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Aug 18 from Milwaukee to Buffalo, returning Sat, Aug 22, priced at $222 found 5 days ago
American Airlines
Fri, Aug 14 - Sat, Aug 15
MKE
Milwaukee
BUF
Buffalo
$223 Roundtrip, found 5 days ago
$223
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Aug 14 from Milwaukee to Buffalo, returning Sat, Aug 15, priced at $223 found 5 days ago
Frontier Airlines
Tue, Aug 4 - Sat, Aug 8
MKE
Milwaukee
BUF
Buffalo
$229 Roundtrip, found 6 days ago
$229
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Tue, Aug 4 from Milwaukee to Buffalo, returning Sat, Aug 8, priced at $229 found 6 days ago
Frontier Airlines
Tue, Aug 11 - Thu, Aug 13
MKE
Milwaukee
BUF
Buffalo
$234 Roundtrip, found 1 day ago
$234
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Aug 11 from Milwaukee to Buffalo, returning Thu, Aug 13, priced at $234 found 1 day ago
American Airlines
Fri, Aug 14 - Sat, Aug 15
MKE
Milwaukee
BUF
Buffalo
$238 Roundtrip, found 5 days ago
$238
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Aug 14 from Milwaukee to Buffalo, returning Sat, Aug 15, priced at $238 found 5 days ago
United
Wed, Aug 26 - Sat, Aug 29
MKE
Milwaukee
BUF
Buffalo
$248 Roundtrip, found 5 days ago
$248
Roundtrip
found 5 days ago
Select United flight, departing Wed, Aug 26 from Milwaukee to Buffalo, returning Sat, Aug 29, priced at $248 found 5 days ago
Southwest Airlines
Fri, Oct 23 - Tue, Oct 27
MKE
Milwaukee
BUF
Buffalo
$252 Roundtrip, found 5 days ago
$252
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Fri, Oct 23 from Milwaukee to Buffalo, returning Tue, Oct 27, priced at $252 found 5 days ago
Delta
Wed, Aug 5 - Tue, Aug 25
MKE
Milwaukee
BUF
Buffalo
$257 Roundtrip, found 4 hours ago
$257
Roundtrip
found 4 hours ago
Select Delta flight, departing Wed, Aug 5 from Milwaukee to Buffalo, returning Tue, Aug 25, priced at $257 found 4 hours 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 $264
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $264

What you need to know for your flight from General Mitchell Intl. to Buffalo Niagara Intl.

Milwaukee (MKE) to Buffalo (BUF) at a glance

Travel between Milwaukee (MKE) and Buffalo (BUF) with a range of airlines on this domestic short-haul route. Whether you're looking for full-service options or cheap Milwaukee to Buffalo flights, you can compare various itineraries to find the best fit for your budget and schedule. Discover key details for flights from General Mitchell International Airport to Buffalo Niagara International Airport as you prepare to explore the iconic sights and vibrant neighborhoods of Buffalo.

  • Fastest flight duration: around 2h 45m in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 450 miles (725 km)
  • Flights per week: around 9 departures on average
  • Typical fares (one-way): economy tickets often range from $100–$350, depending on seasonality and how far ahead you book

Flights from General Mitchell International Airport (MKE) to Buffalo Niagara International Airport (BUF)

According to recent traveler bookings, here are the top airlines favored for flights from Milwaukee to Buffalo, particularly those offering one-stop services. Common layover points include O'Hare International Airport (ORD) with layovers of about 1 hour and 15 minutes, Detroit Metropolitan Wayne County Airport (DTW) with approximately 1 hour and 30 minutes, and Baltimore Washington International Thurgood Marshall Airport (BWI), also around 1 hour and 30 minutes. This variety allows you to compare prices, total travel times, and cabin classes to tailor your ideal itinerary.

  • American Airlines: As a full-service airline providing one-stop travel, American Airlines accounts for around 36% of flights on this route. One-way fares generally fall between $100 and $310, with an in-flight duration of 2 hours and 45 minutes, totaling approximately 4 hours and 15 minutes for the entire journey, including layover time.
  • Delta: Known for its full-service offerings and one-stop routes, Delta represents about 30% of departures on this itinerary. One-way ticket prices usually range from $100 to $350, featuring a flight time of 2 hours and 45 minutes and a total travel duration of around 4 hours and 15 minutes, including layovers.
  • United: This full-service carrier provides one-stop options, making up roughly 22% of the departures on this route. One-way fares typically vary from $110 to $430, with an in-flight time of 2 hours and 45 minutes, leading to an overall journey time of about 4 hours and 15 minutes, factoring in layovers.
  • Southwest Airlines: A budget-friendly option offering one-stop service, Southwest Airlines covers approximately 12% of flights on this route. One-way fares generally range from $100 to $385, with an in-flight duration of 2 hours and 45 minutes and a total travel time of roughly 4 hours and 15 minutes, including layover periods.

Travelers have the option to enhance their journey from Milwaukee to Buffalo with an upgrade. Delta provides first-class service on this route for a more comfortable flight experience.

Best time to fly from Milwaukee (MKE) to Buffalo (BUF)

The most popular months for travelers flying from Milwaukee to Buffalo are April, August, and October, when peak temperatures in Buffalo reach up to 70.7°F in August. If you prefer quieter travel, consider May, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 57.7°F. For better deals, October usually offers the lowest average one-way fare around $180. Flight availability peaks in August, September, and October, with approximately 10 flights per week, making it easier to find convenient departure times. February and April have the fewest flights, with approximately 7 flights per week.

  • Cheapest time to fly: October usually offers good deals with average one-way fare around $180, roughly 16% cheaper than the yearly average.
  • More budget-friendly months to fly: May and August typically offer average one-way fares roughly ranging from $186 to $198.
  • Most flight options: August, September, and October have the highest number of flights from Milwaukee to Buffalo, with approximately 10 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)Average8$225
February26.1°F (-3.3°C)Average7$260
March34.3°F (1.3°C)Average8$254
April45.0°F (7.2°C)Moderately High7$200
May57.7°F (14.3°C)Moderately Low8$186
June66.0°F (18.9°C)Average9$212
July72.0°F (22.2°C)Average9$207
August70.7°F (21.5°C)Moderately High10$198
September64.6°F (18.1°C)Average10$224
October53.2°F (11.8°C)Moderately High10$180
November41.4°F (5.2°C)Moderately Low9$235
December33.1°F (0.6°C)Moderately Low8$201

*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 Milwaukee (MKE) to Buffalo (BUF)

  • Milwaukee to Niagara Falls (MKE-IAG): The Niagara Falls International Airport (IAG) is located approximately 16 miles from Buffalo Niagara International Airport (BUF).

How to find the best prices for flights from Milwaukee (MKE) to Buffalo (BUF)

Getting some of the best deals on flights from Milwaukee 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 found when booking 2 to 8 weeks in advance, which coincides with when most travelers make their reservations. Morning departures, between 5 a.m. and 12 p.m., often offer lower prices and are the most popular flight times. Additionally, flying on Wednesday not only provides cheaper fares but is also the most favored 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 General Mitchell International Airport

Buffalo welcomes travelers from Milwaukee 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 from the airport, also easily reached by car.

Frequently asked questions

How much does a flight from Milwaukee, WI (MKE-General Mitchell Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) cost?
You can find cheap one-way flights from $108 and cheap return flights from $219 Milwaukee, WI (MKE-General Mitchell Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) with Expedia. One-way flights generally range between $173 and $628, and roundtrip flights usually range from $272 to $874. 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 Milwaukee, WI (MKE-General Mitchell Intl.) 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 Milwaukee, WI (MKE-General Mitchell Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
August is typically the cheapest month to fly from Milwaukee (MKE) to Buffalo (BUF), with average round-trip fares around $288. This is about 20% lower than the average price throughout the year, as demand tends to decrease after the summer travel season. Other cheap months to fly from Milwaukee to Buffalo include May and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Milwaukee, WI (MKE-General Mitchell Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Enter MKE to BUF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Milwaukee, WI (MKE-General Mitchell Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Frontier Airlines is one of the cheapest airlines offering connecting flights from General Mitchell Intl. (MKE) to Buffalo Niagara Intl. (BUF), starting from around $245 for a round-trip ticket. 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 Milwaukee, WI (MKE-General Mitchell Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
To find a cheap flight from Milwaukee, WI (MKE-General Mitchell Intl.) 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 time to fly from Milwaukee, WI (MKE-General Mitchell Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The best time to fly from Milwaukee, WI (MKE) to Buffalo, NY (BUF) is in August or October. August is popular for summer travel, with average return flight prices around $288, while October offers a good mix of price and fall scenery. This information is based on booking data from the past year.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Milwaukee, WI (MKE-General Mitchell Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The earliest flight from Milwaukee, WI (MKE) to Buffalo, NY (BUF) generally departs at around 5:00 AM, also operated by American Airlines. This early flight can help you reach Buffalo in time for morning activities. 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 Milwaukee, WI (MKE-General Mitchell Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The most popular departure times for flights from Milwaukee (MKE-General Mitchell Intl.) to Buffalo (BUF-Buffalo Niagara Intl.) are in the early morning, from 6am to 9am. About 39% of passengers prefer this time window. Many major carriers, including Delta, American Airlines, and Southwest Airlines, offer flights during this window. This timing works well because it allows you to maximize your day in Buffalo upon arrival.
How long does it take to fly from Milwaukee, WI (MKE-General Mitchell Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
A flight from MKE to BUF with a layover takes around 5 hours, with the route covering approximately 464 miles. 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 Milwaukee, WI (MKE-General Mitchell Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
First class is available on flights from MKE to BUF. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How do I earn miles on a Milwaukee, WI (MKE-General Mitchell Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight with Expedia?
It's easy to earn miles on a Milwaukee, WI (MKE-General Mitchell Intl.) 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 General Mitchell Intl. (MKE)?
If you're planning to travel to Buffalo from General Mitchell Intl. (MKE), you can fly into Buffalo Niagara Intl. (BUF) Some flights may connect through major hubs like O'Hare Intl. (ORD), Nashville Intl. (BNA), Kansas City Intl. (MCI) 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 Milwaukee, WI (MKE-General Mitchell Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) at the last minute?
Typically, booking a last minute flight from Milwaukee, WI (MKE-General Mitchell Intl.) 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 Milwaukee, WI (MKE-General Mitchell Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package?
Securing a Milwaukee, WI (MKE-General Mitchell Intl.) 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 Milwaukee, WI (MKE-General Mitchell Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
If you booked your Milwaukee, WI (MKE-General Mitchell Intl.) 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
General Mitchell Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$218
Distance
463 mi

Book with confidence

Milwaukee to Buffalo Flights

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

 

The best time to book a flight from Milwaukee to Buffalo

Sunday is one of the best days to book for cheap flights from Milwaukee 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 Milwaukee 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 Milwaukee to Buffalo in 2026. You can also book with separate airlines for your outbound and return journeys, from $108 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 Milwaukee 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 Milwaukee 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.

 

Milwaukee to Buffalo Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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