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$141+ 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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — MKE
May 29 — Jun 51
Fri 5/29
Fri 6/5
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 April 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Wed 6/32:49 pm
BUF
-
MKE
2 stops18h 12m
Frontier
Tue 6/98:43 am
MKE
-
BUF
1 stop9h 29m
Frontier
Deal found 4/24$266
This Trip.com deal was found by Cheapflights users on 4/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:31 pm
BUF
-
MKE
1 stop14h 30m
Frontier
Thu 5/149:46 am
MKE
-
BUF
1 stop8h 00m
Frontier
Deal found 4/26$268
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 5/276:00 am
BUF
-
MKE
1 stop5h 09m
United Airlines
Sat 5/302:50 pm
MKE
-
BUF
1 stop5h 13m
United Airlines
Deal found 4/28$280
This Delta deal was found by Cheapflights users on 4/24. 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.
Thu 6/46:25 am
BUF
-
MKE
1 stop3h 24m
Delta
Tue 6/99:37 am
MKE
-
BUF
1 stop4h 44m
Delta
Deal found 4/24$289
This American Airlines deal was found by Cheapflights users on 4/24. 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 5/276:02 am
BUF
-
MKE
2 stops7h 48m
American Airlines
Sat 5/306:01 am
MKE
-
BUF
1 stop4h 58m
American Airlines
Deal found 4/24$294
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 5/277:00 am
BUF
-
MKE
1 stop5h 19m
United Airlines
Fri 5/2910:38 am
MKE
-
BUF
1 stop5h 08m
United Airlines
Deal found 4/28$295
This Southwest deal was found by Cheapflights users on 4/28. 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 5/273:10 pm
BUF
-
MKE
2 stops7h 45m
Southwest
Sat 5/305:40 am
MKE
-
BUF
2 stops7h 35m
Southwest
Deal found 4/28$299
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 8/1210:54 am
BUF
-
MKE
1 stop4h 04m
United Airlines
Sat 8/156:00 am
MKE
-
BUF
2 stops7h 22m
United Airlines
Deal found 4/28$304
This Delta deal was found by Cheapflights users on 4/27. 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.
Fri 6/1912:04 pm
BUF
-
MKE
1 stop5h 00m
Delta
Wed 6/249:37 am
MKE
-
BUF
1 stop4h 44m
Delta
Deal found 4/27$305

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 April 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$266
(Kiwi.com)

One-way from

$141
(Expedia)

Popular in

November

Cheapest in

August

Average price

$419
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. 19% potential increase in price ($86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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 April 29, 2026.
Use the filters below to find and compare flights from Buffalo to Milwaukee that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Thu 6/4

6:25 am-8:49 am

1 stop3h 24m

Milwaukee-Mitchell

Mon 6/8

4:49 pm-11:59 pm

1 stop6h 10m

$289

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Thu 5/28

5:57 pm-10:24 pm

1 stop5h 27m

Milwaukee-Mitchell

Sat 5/30

2:50 pm-9:03 pm

1 stop5h 13m

$289

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Wed 5/27

7:00 am-9:57 am

1 stop3h 57m

Milwaukee-Mitchell

Fri 5/29

2:50 pm-11:59 pm

2 stops8h 09m

$300

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Thu 5/28

5:57 pm-10:24 pm

1 stop5h 27m

Milwaukee-Mitchell

Sun 5/31

5:00 am-10:22 am

1 stop4h 22m

$308

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Thu 5/28

6:00 am-12:10 pm

2 stops7h 10m

Milwaukee-Mitchell

Sat 5/30

5:40 am-2:15 pm

2 stops7h 35m

$318

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Wed 5/27

3:10 pm-9:55 pm

2 stops7h 45m

Milwaukee-Mitchell

Fri 5/29

8:00 am-4:40 pm

2 stops7h 40m

$318

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Fri 6/19

12:04 pm-4:04 pm

1 stop5h 00m

Milwaukee-Mitchell

Wed 6/24

7:05 am-11:24 am

1 stop3h 19m

$323

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Wed 5/27

10:34 am-7:51 pm

2 stops10h 17m

Milwaukee-Mitchell

Sat 5/30

1:30 pm-9:03 pm

1 stop6h 33m

$326
Quickest round-trip

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Fri 6/19

12:04 pm-4:04 pm

1 stop5h 00m

Milwaukee-Mitchell

Sun 6/21

7:12 am-11:24 am

1 stop3h 12m

$327

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Fri 6/5

12:04 pm-4:06 pm

1 stop5h 02m

Milwaukee-Mitchell

Sun 6/7

4:52 pm-12:02 am

1 stop6h 10m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/26

Showing 1-10 of 16 resultsSorted by cheapest first
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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Milwaukee flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, August is the cheapest month in which you can book a flight from Buffalo to Milwaukee (average of $216). Flying from Buffalo to Milwaukee in November is currently the most expensive (average of $614). 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.

How much does it cost to fly round-trip from Buffalo to Milwaukee?

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 April 29, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican 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
8,466 reviews

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

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
8,466 reviews
Delta
7.9
Good
8,466 reviews

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

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
9,680 reviews
Delta
7.9
Good
8,466 reviews

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

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
7.1
Good
11,678 reviews
Delta
7.9
Good
8,466 reviews

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

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 3h 24m. Delta provides one of the quickest options available for as low as $289. 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 $196 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at $238 and $271 round-trip. You may be able to fly from Buffalo to Milwaukee for 45% 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, August is the cheapest month in which you can book a flight from Buffalo to Milwaukee (average of $216). Flying from Buffalo to Milwaukee in November is currently the most expensive (average of $614). 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
Port Washington
New Berlin
Oak Creek
Wauwatosa

Browse thousands of different options on Cheapflights for your next trip

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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 April 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$196Average$321FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$238Average$385FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$271Average$355FlexibilityNo cancel feeOn-time71%

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