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 47% 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.

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

Frontier, Delta, and United Airlines are the most popular carriers operating from Buffalo to Milwaukee-Mitchell

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.

$87 Cheap Flights from Buffalo to Milwaukee in 2025/26

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Find the cheapest flights from Buffalo to Milwaukee

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Cheap round-trip flights

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12:19 pm - 6:42 pm

BUF

MKE

7h 23m1 stop

9:01 pm - 10:49 am

MKE

BUF

12h 48m1 stop

$248Frontier

Thu, Mar 5 - Sun, Mar 8

6:00 am - 1:13 pm

BUF

MKE

8h 13m1 stop

6:40 am - 11:45 am

MKE

BUF

4h 05m1 stop

$269Delta

Wed, Feb 4 - Sun, Feb 8

5:23 pm - 9:59 pm

BUF

MKE

5h 36m1 stop

3:20 pm - 8:29 pm

MKE

BUF

4h 09m1 stop

$271United Airlines

Fri, Jan 16 - Mon, Jan 19

2:49 pm - 10:56 pm

BUF

MKE

9h 07m2 stops

3:20 pm - 8:29 pm

MKE

BUF

4h 09m1 stop

$274United Airlines

Wed, Feb 4 - Sun, Feb 8

2:49 pm - 10:56 pm

BUF

MKE

9h 07m2 stops

3:20 pm - 8:29 pm

MKE

BUF

4h 09m1 stop

$276United Airlines

Fri, Jan 16 - Mon, Jan 19

4:17 pm - 11:23 pm

BUF

MKE

8h 06m2 stops

6:00 am - 3:17 pm

MKE

BUF

8h 17m2 stops

$279American Airlines

Wed, Feb 4 - Sun, Feb 8

12:25 pm - 4:08 pm

BUF

MKE

4h 43m1 stop

2:40 pm - 11:14 pm

MKE

BUF

7h 34m1 stop

$287Delta

Thu, Mar 5 - Mon, Mar 9

10:45 am - 1:53 pm

BUF

MKE

4h 08m1 stop

2:32 pm - 8:29 pm

MKE

BUF

4h 57m1 stop

$313United Airlines

Tue, Jan 13 - Thu, Jan 15

10:45 am - 1:53 pm

BUF

MKE

4h 08m1 stop

5:00 am - 2:14 pm

MKE

BUF

8h 14m2 stops

$318United Airlines

Tue, Jan 13 - Thu, Jan 15

6:45 am - 3:47 pm

BUF

MKE

10h 02m2 stops

9:27 am - 5:21 pm

MKE

BUF

6h 54m1 stop

$321American Airlines

Thu, Mar 5 - Mon, Mar 9

Delta flights from Buffalo to Milwaukee

Our best Delta deals on Buffalo to Milwaukee flight tickets

Delta

Feb 4

BUF6:00 amBuffalo

8h 13m

1 stop

MKE1:13 pmMilwaukee-Mitchell

Feb 8

MKE6:40 amMilwaukee-Mitchell

4h 05m

1 stop

BUF11:45 amBuffalo

$269

Find similar

Delta

Mar 5

BUF6:00 amBuffalo

8h 11m

1 stop

MKE1:11 pmMilwaukee-Mitchell

Mar 9

MKE6:15 amMilwaukee-Mitchell

7h 04m

1 stop

BUF2:19 pmBuffalo

$287

Find similar

Delta

Dec 28

BUF12:01 pmBuffalo

6h 13m

1 stop

MKE5:14 pmMilwaukee-Mitchell

Jan 1

MKE5:25 pmMilwaukee-Mitchell

4h 08m

1 stop

BUF10:33 pmBuffalo

$421

Find similar

American Airlines flights from Buffalo to Milwaukee

Our best American Airlines deals on Buffalo to Milwaukee flight tickets

American Airlines

Feb 4

BUF4:17 pmBuffalo

8h 06m

2 stops

MKE11:23 pmMilwaukee-Mitchell

Feb 8

MKE6:00 amMilwaukee-Mitchell

8h 17m

2 stops

BUF3:17 pmBuffalo

$279

Find similar

American Airlines

Mar 5

BUF6:45 amBuffalo

10h 02m

2 stops

MKE3:47 pmMilwaukee-Mitchell

Mar 9

MKE9:27 amMilwaukee-Mitchell

6h 54m

1 stop

BUF5:21 pmBuffalo

$321

Find similar

American Airlines

Mar 5

BUF6:46 amBuffalo

10h 01m

2 stops

MKE3:47 pmMilwaukee-Mitchell

Mar 9

MKE4:47 pmMilwaukee-Mitchell

5h 44m

1 stop

BUF11:31 pmBuffalo

$322

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Thu 3/5

12:19 pm-6:42 pm

1 stop7h 23m

Milwaukee-Mitchell

Sun 3/8

9:01 pm-10:49 am

1 stop12h 48m

$248

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Wed 2/4

6:00 am-1:13 pm

1 stop8h 13m

Milwaukee-Mitchell

Sun 2/8

6:40 am-11:45 am

1 stop4h 05m

$269

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Fri 1/16

5:23 pm-9:59 pm

1 stop5h 36m

Milwaukee-Mitchell

Mon 1/19

3:20 pm-8:29 pm

1 stop4h 09m

$271

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Wed 2/4

2:49 pm-10:56 pm

2 stops9h 07m

Milwaukee-Mitchell

Sun 2/8

3:20 pm-8:29 pm

1 stop4h 09m

$274

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Fri 1/16

2:49 pm-10:56 pm

2 stops9h 07m

Milwaukee-Mitchell

Mon 1/19

3:20 pm-8:29 pm

1 stop4h 09m

$276

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Wed 2/4

4:17 pm-11:23 pm

2 stops8h 06m

Milwaukee-Mitchell

Sun 2/8

6:00 am-3:17 pm

2 stops8h 17m

$279

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Thu 3/5

12:25 pm-4:08 pm

1 stop4h 43m

Milwaukee-Mitchell

Mon 3/9

2:40 pm-11:14 pm

1 stop7h 34m

$287

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Tue 1/13

10:45 am-1:53 pm

1 stop4h 08m

Milwaukee-Mitchell

Thu 1/15

2:32 pm-8:29 pm

1 stop4h 57m

$313

BuffaloMilwaukee

BUF - MKE

BUFMKE

Buffalo

Tue 1/13

10:45 am-1:53 pm

1 stop4h 08m

Milwaukee-Mitchell

Thu 1/15

5:00 am-2:14 pm

2 stops8h 14m

$318

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-5:21 pm

1 stop6h 54m

$321

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 43m
Direct flights	None

The fastest flight from Buffalo to Milwaukee takes 4h 43m

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 43m.
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 (53% of total bookings). The next most popular airlines are American Airlines (27%) and United Airlines (19%).

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 8,008 reviews	Search Delta flights
United Airlines	PriceFrom $214	Free Cancellation	Rating 7.4 9,092 reviews	Search United Airlines flights
American Airlines	PriceFrom $264	Free Cancellation	Rating 7.2 11,051 reviews	Search American Airlines flights

Sheboygan

Waukesha

Wauwatosa

Oak Creek

Mequon

Glendale

Pewaukee

Kohler

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.