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$144+ Cheap flights from Buffalo to Milwaukee (BUF - MKE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — MKE
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
1 adult, Economy
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Cheap flight deals from Buffalo to Milwaukee

Cheapest flights from Buffalo to Milwaukee
Explore the most affordable flight options available from Buffalo to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 8, 2025.

This Mytrip deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/182:07 pmBUF - MKE
1 stop29h 19mFrontier
Sun 12/218:06 pmMKE - BUF
1 stop24h 02mFrontier
Deal found 12/7$308
This American Airlines deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amBUF - MKE
1 stop4h 47mAmerican Airlines
Sun 1/44:57 pmMKE - BUF
1 stop5h 12mAmerican Airlines
Deal found 12/7$312
This Delta deal was found by Cheapflights users on 12/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/215:52 pmBUF - MKE
1 stop3h 43mDelta
Thu 12/255:25 pmMKE - BUF
1 stop4h 08mDelta
Deal found 12/5$315
This Kiwi.com deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:43 amBUF - MKE
1 stop27h 47mMultiple Airlines
Sun 1/117:40 pmMKE - BUF
1 stop11h 33mMultiple Airlines
Deal found 12/7$342
This Frontier deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/199:42 amBUF - MKE
1 stop9h 44mFrontier
Mon 12/2212:08 pmMKE - BUF
1 stop8h 00mFrontier
Deal found 12/6$349
This United Airlines deal was found by Cheapflights users on 12/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/211:59 pmBUF - MKE
1 stop6h 56mUnited Airlines
Thu 12/256:36 amMKE - BUF
2 stops6h 38mUnited Airlines
Deal found 12/5$354
This United Airlines deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:29 amBUF - MKE
2 stops10h 26mUnited Airlines
Sun 1/115:00 amMKE - BUF
2 stops8h 14mUnited Airlines
Deal found 12/7$367
This Southwest deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/278:50 pmBUF - MKE
1 stop4h 35mSouthwest
Wed 12/316:40 amMKE - BUF
1 stop6h 40mSouthwest
Deal found 12/7$377
This Kiwi.com deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/133:18 pmBUF - MKE
1 stop19h 21mMultiple Airlines
Sun 12/146:09 pmMKE - BUF
1 stop19h 06mMultiple Airlines
Deal found 12/7$402
This Southwest deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:55 pmBUF - MKE
1 stop6h 15mSouthwest
Sun 1/45:00 amMKE - BUF
2 stops8h 35mSouthwest
Deal found 12/7$418
This Kiwi.com deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:32 pmBUF - MKE
2 stops17h 41mMultiple Airlines
Sun 1/117:40 pmMKE - BUF
1 stop11h 33mMultiple Airlines
Deal found 12/7$422

Find flight deals from Buffalo to Milwaukee

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Milwaukee (MKE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 8, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$271
(Delta)

One-way from

$144
(American Airlines)

Popular in

November

Cheapest in

August

Average price

$376
Provider with most accurate pricing for Buffalo-Milwaukee-Mitchell flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-Milwaukee-Mitchell flights.
Search Deals
From Buffalo to Milwaukee-Mitchell
Search Deals
One-way flight from Buffalo to Milwaukee-Mitchell
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($89 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Milwaukee that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 8, 2025.
Use the filters below to find and compare flights from Buffalo to Milwaukee that are best for you.

Fly from

Buffalo

Fly to

Milwaukee

Route

Depart

Return

Price

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Fri 1/30

6:00 am-1:13 pm

1 stop8h 13m

Milwaukee-Mitchell

Mon 2/2

7:05 am-2:58 pm

1 stop6h 53m

$271

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Fri 1/30

8:30 am-1:53 pm

1 stop6h 23m

Milwaukee-Mitchell

Mon 2/2

6:00 am-2:14 pm

2 stops7h 14m

$276

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Fri 1/30

4:17 pm-11:35 pm

2 stops8h 18m

Milwaukee-Mitchell

Mon 2/2

1:04 pm-10:40 pm

2 stops8h 36m

$281

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Thu 3/5

5:41 pm-9:51 pm

1 stop5h 10m

Milwaukee-Mitchell

Mon 3/9

5:00 pm-10:55 pm

1 stop4h 55m

$287

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Thu 3/5

6:00 am-1:11 pm

1 stop8h 11m

Milwaukee-Mitchell

Sun 3/8

6:33 pm-10:55 pm

1 stop3h 22m

$287

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Tue 1/13

10:45 am-3:43 pm

1 stop5h 58m

Milwaukee-Mitchell

Thu 1/15

6:00 am-1:24 pm

1 stop6h 24m

$289

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Fri 1/2

6:30 am-11:27 am

1 stop5h 57m

Milwaukee-Mitchell

Fri 1/9

2:32 pm-8:29 pm

1 stop4h 57m

$307

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Mon 1/5

7:15 pm-11:58 pm

1 stop5h 43m

$144

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Sun 12/21

1:37 pm-11:13 am

1 stop22h 36m

$148

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Sun 1/4

7:00 am-10:09 am

1 stop4h 09m

$188

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 14 results
1
2

Compare providers for flights from Buffalo to Milwaukee

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to Milwaukee in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Buffalo-Milwaukee flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Buffalo-Milwaukee flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Buffalo-Milwaukee flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buffalo-Milwaukee flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-Milwaukee flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Buffalo to Milwaukee

Have a flexible travel schedule? Discover the best time to fly to Milwaukee from Buffalo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Buffalo to Milwaukee

What is the cheapest month to book a flight from Buffalo to Milwaukee?

Currently, July is the cheapest month in which you can book a flight from Buffalo to Milwaukee (average of $77). Flying from Buffalo to Milwaukee in January is currently the most expensive (average of $215). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BUF to MKE?

Find hourly flight availability from Buffalo to Milwaukee. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 8, 2025.

One of the essential ways to save on airfare from Buffalo to Milwaukee is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 25% on airfare.

Reviews of airlines servicing Milwaukee

Get insights into the airlines that provide service to Milwaukee. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Milwaukee. Reviews last updated December 8, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Buffalo to Milwaukee by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,013 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
7.9
Good
8,013 reviews
Delta
7.9
Good
8,013 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
United Airlines
7.4
Good
9,076 reviews
Delta
7.9
Good
8,013 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
American Airlines
7.2
Good
11,042 reviews
Delta
7.9
Good
8,013 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Milwaukee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Buffalo to Milwaukee?

    A quick flight from Buffalo to Milwaukee can take about 6h 23m. Delta provides one of the quickest options available for as low as $276. Airlines will cover a distance of 463 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Buffalo to Milwaukee round-trip?

    Our cheapest airline available from Buffalo to Milwaukee is Delta. Our recent data shows that you can find tickets from as low as $188 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at $214 and $264 round-trip. You may be able to fly from Buffalo to Milwaukee for 44% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Buffalo to Milwaukee one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $118. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Buffalo to Milwaukee for a low price.

  • Can I find deals for flights from Buffalo to Milwaukee that include hotel bookings?

    Yes. In addition to deals on Buffalo to Milwaukee flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Milwaukee?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Milwaukee.

  • Can I find deals for business class flights from Buffalo to Milwaukee?

    Yes. Cheapflights offers flight deals from Buffalo to Milwaukee by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Buffalo to Milwaukee?

    Currently, July is the cheapest month in which you can book a flight from Buffalo to Milwaukee (average of $77). Flying from Buffalo to Milwaukee in January is currently the most expensive (average of $215). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Milwaukee?

Book flights to Milwaukee if you plan to visit one of these locations
Sheboygan
New Berlin
Oak Creek
Wauwatosa

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Alternative routes for Buffalo to Milwaukee

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Buffalo to Milwaukee

Discover the top 3 airlines that operate flights from Buffalo to Milwaukee. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$196Average$294FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$214Average$385FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$264Average$293FlexibilityNo cancel feeOn-time71%

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