What is the cheapest airline that flies from Buffalo to Milwaukee-Mitchell?

Frontier and American Airlines are the most popular carriers operating from Buffalo to Milwaukee-Mitchell

What airlines fly to Milwaukee?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Milwaukee from Buffalo according to our data. American Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Milwaukee. Keep in mind that there are 5 different airlines that fly to Milwaukee on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Buffalo Airport to Milwaukee-Mitchell Airport?

Prices for flights from Buffalo Airport to Milwaukee-Mitchell Airport were last updated today.

How many operators does momondo search for flights from Buffalo Airport to Milwaukee-Mitchell Airport?

As of December 2025, there are 3 operators available to choose from for flights from Buffalo Airport to Milwaukee-Mitchell Airport.

How old do you have to be to fly from Buffalo Airport to Milwaukee-Mitchell Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Milwaukee-Mitchell Airport.

What documentation or ID do you need to fly to Milwaukee-Mitchell Airport?

The travel and health documents required for your trip to Milwaukee-Mitchell Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Milwaukee-Mitchell Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$181 Cheap Flights from Buffalo to Milwaukee in 2025/26

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Find the cheapest flights from Buffalo to Milwaukee

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:20 pm - 5:41 pmBUF-MKE

5h 21m1 stop

6:00 am - 2:10 pmMKE-BUF

7h 10m1 stop

$245Delta

Find Deal

Sat, Jan 31 - Wed, Feb 4

6:00 am - 12:26 pmBUF-MKE

7h 26m1 stop

6:00 am - 2:10 pmMKE-BUF

7h 10m1 stop

$251Delta

Find Deal

Sat, Jan 31 - Wed, Feb 4

3:18 pm - 9:39 amBUF-MKE

19h 21m1 stop

8:15 pm - 8:40 pmMKE-BUF

23h 25m1 stop

$257Multiple Airlines

Find Deal

Sun, Dec 14 - Thu, Dec 18

10:30 am - 3:39 pmBUF-MKE

6h 09m1 stop

4:34 pm - 10:57 pmMKE-BUF

5h 23m1 stop

$262JetBlue

Find Deal

Fri, May 15 - Sun, May 17

6:03 am - 8:51 amBUF-MKE

3h 48m1 stop

6:33 pm - 10:55 pmMKE-BUF

3h 22m1 stop

$287Delta

Find Deal

Thu, Mar 5 - Sun, Mar 8

7:30 am - 10:58 amBUF-MKE

4h 28m1 stop

1:04 pm - 10:40 pmMKE-BUF

8h 36m2 stops

$310American Airlines

Find Deal

Sat, Jan 31 - Wed, Feb 4

6:45 am - 3:47 pmBUF-MKE

10h 02m2 stops

12:13 pm - 5:20 pmMKE-BUF

4h 07m1 stop

$312American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

9:41 am - 3:57 pmBUF-MKE

7h 16m2 stops

6:00 am - 3:17 pmMKE-BUF

8h 17m2 stops

$315American Airlines

Find Deal

Sat, Jan 31 - Wed, Feb 4

9:41 am - 3:57 pmBUF-MKE

7h 16m2 stops

6:00 am - 12:08 pmMKE-BUF

5h 08m1 stop

$316American Airlines

Find Deal

Sat, Jan 31 - Wed, Feb 4

6:45 am - 3:47 pmBUF-MKE

10h 02m2 stops

9:27 am - 5:20 pmMKE-BUF

6h 53m1 stop

$318American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

Delta flights from Buffalo to Milwaukee

Our best Delta deals on Buffalo to Milwaukee flight tickets

Delta

Jan 31

BUF1:20 pmBuffalo

5h 21m

1 stop

MKE5:41 pmMilwaukee-Mitchell

Feb 4

MKE6:00 amMilwaukee-Mitchell

7h 10m

1 stop

BUF2:10 pmBuffalo

$245

Find similar

Delta

Jan 31

BUF6:00 amBuffalo

7h 26m

1 stop

MKE12:26 pmMilwaukee-Mitchell

Feb 4

MKE2:00 pmMilwaukee-Mitchell

7h 52m

1 stop

BUF10:52 pmBuffalo

$251

Find similar

Delta

Mar 5

BUF6:00 amBuffalo

5h 30m

1 stop

MKE10:30 amMilwaukee-Mitchell

Mar 9

MKE5:50 pmMilwaukee-Mitchell

4h 24m

1 stop

BUF11:14 pmBuffalo

$287

Find similar

American Airlines flights from Buffalo to Milwaukee

Our best American Airlines deals on Buffalo to Milwaukee flight tickets

American Airlines

Jan 31

BUF7:30 amBuffalo

4h 28m

1 stop

MKE10:58 amMilwaukee-Mitchell

Feb 4

MKE1:04 pmMilwaukee-Mitchell

8h 36m

2 stops

BUF10:40 pmBuffalo

$310

Find similar

American Airlines

Mar 5

BUF6:45 amBuffalo

10h 02m

2 stops

MKE3:47 pmMilwaukee-Mitchell

Mar 9

MKE12:13 pmMilwaukee-Mitchell

4h 07m

1 stop

BUF5:20 pmBuffalo

$312

Find similar

American Airlines

Jan 31

BUF9:41 amBuffalo

7h 16m

2 stops

MKE3:57 pmMilwaukee-Mitchell

Feb 4

MKE6:00 amMilwaukee-Mitchell

8h 17m

2 stops

BUF3:17 pmBuffalo

$315

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Sat 1/31

1:20 pm-5:41 pm

1 stop5h 21m

Milwaukee-Mitchell

Wed 2/4

6:00 am-2:10 pm

1 stop7h 10m

$245

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Sat 1/31

6:00 am-12:26 pm

1 stop7h 26m

Milwaukee-Mitchell

Wed 2/4

6:00 am-2:10 pm

1 stop7h 10m

$251

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Sun 12/14

3:18 pm-9:39 am

1 stop19h 21m

Milwaukee-Mitchell

Thu 12/18

8:15 pm-8:40 pm

1 stop23h 25m

$257

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Fri 5/15

10:30 am-3:39 pm

1 stop6h 09m

Milwaukee-Mitchell

Sun 5/17

4:34 pm-10:57 pm

1 stop5h 23m

$262

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Thu 3/5

6:03 am-8:51 am

1 stop3h 48m

Milwaukee-Mitchell

Sun 3/8

6:33 pm-10:55 pm

1 stop3h 22m

$287

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Sat 1/31

7:30 am-10:58 am

1 stop4h 28m

Milwaukee-Mitchell

Wed 2/4

1:04 pm-10:40 pm

2 stops8h 36m

$310

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Thu 3/5

6:45 am-3:47 pm

2 stops10h 02m

Milwaukee-Mitchell

Mon 3/9

12:13 pm-5:20 pm

1 stop4h 07m

$312

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Sat 1/31

9:41 am-3:57 pm

2 stops7h 16m

Milwaukee-Mitchell

Wed 2/4

6:00 am-3:17 pm

2 stops8h 17m

$315

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Sat 1/31

9:41 am-3:57 pm

2 stops7h 16m

Milwaukee-Mitchell

Wed 2/4

6:00 am-12:08 pm

1 stop5h 08m

$316

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Thu 3/5

6:45 am-3:47 pm

2 stops10h 02m

Milwaukee-Mitchell

Mon 3/9

9:27 am-5:20 pm

1 stop6h 53m

$318

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Buffalo to Milwaukee

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Milwaukee?

The cheapest month to fly to Milwaukee from Buffalo is in August. Flight prices, which tend to average around $207, are often lower during this time because this is during the off-season. The month of March is another great option to travel to Milwaukee, with average flight prices from Buffalo averaging around $267.

What is the cheapest day to depart on your flight to Milwaukee?

According to our data, Saturday is the cheapest day to fly to Milwaukee from Buffalo. The lowest ticket price found for a Saturday departure recently was $320. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Buffalo to Milwaukee on a Monday will generally be more expensive and average around $540. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Milwaukee?

In the evening is the cheapest time of day to fly from Buffalo to Milwaukee when you can find flight prices for as low as $306. Flying to Milwaukee in the evening is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Milwaukee, so prices are often more expensive at around $413 per ticket.

How have Buffalo to Milwaukee flight prices changed over time?

As of December 2025, prices for Buffalo to Milwaukee flights are approximately 20% cheaper when compared to flights at the same time last year.

When to book flights from Buffalo to Milwaukee

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to Milwaukee according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Buffalo to Milwaukee (BUF to MKE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to Milwaukee

Fastest flight time	4h 14m
Direct flights	None

The fastest flight from Buffalo to Milwaukee takes 4h 14m

There are no direct flights from Buffalo to Milwaukee. There are no popular flight routes from Buffalo to Milwaukee.

Search flight deals

How far is Buffalo to Milwaukee-Mitchell by plane?
Buffalo and Milwaukee-Mitchell are 456.1 mi apart from one another. By plane, this route typically takes 4h 28m.
When did momondo last update prices for flights from Buffalo Airport to Milwaukee-Mitchell Airport?
Prices for flights from Buffalo Airport to Milwaukee-Mitchell Airport were last updated today.
How many operators does momondo search for flights from Buffalo Airport to Milwaukee-Mitchell Airport?
As of December 2025, there are 3 operators available to choose from for flights from Buffalo Airport to Milwaukee-Mitchell Airport.
How old do you have to be to fly from Buffalo Airport to Milwaukee-Mitchell Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Milwaukee-Mitchell Airport.
What documentation or ID do you need to fly to Milwaukee-Mitchell Airport?
The travel and health documents required for your trip to Milwaukee-Mitchell Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Milwaukee-Mitchell Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Buffalo to Milwaukee?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Buffalo to Milwaukee is Delta (50% of total bookings). The next most popular airlines are American Airlines (28%) and United Airlines (22%).

Best airlines flying from Buffalo to Milwaukee

Compare and see reviews for airlines that fly from Buffalo to Milwaukee with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $196	Free Cancellation	Rating 7.9 8,012 reviews	Search Delta flights
United Airlines	PriceFrom $214	Free Cancellation	Rating 7.4 9,056 reviews	Search United Airlines flights
American Airlines	PriceFrom $264	Free Cancellation	Rating 7.2 11,039 reviews	Search American Airlines flights

Sheboygan

Waukesha

Wauwatosa

Oak Creek

Mequon

Glendale

Kohler

Pewaukee

Port Washington

West Bend

New Berlin

Grafton

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to Milwaukee?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Buffalo to Milwaukee. momondo saves you time and could save you money on your trip.

Can I find flights from Buffalo to Milwaukee with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Milwaukee from Buffalo with this policy.

How can momondo help me find flights from Buffalo to Milwaukee?

Once you have performed a search for Buffalo to Milwaukee flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Buffalo to Milwaukee right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Milwaukee, momondo offers a useful price alert feature which will track prices for flights to Milwaukee from Buffalo and alert you when they change.