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

Delta and Southwest 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 45% 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 July 2025, there are 4 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.

$99 Cheap Flights from Buffalo to Milwaukee in 2025

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Find the cheapest flights from Buffalo to Milwaukee

Round-trip

One-way

Last minute

Cheap round-trip flights

6:04 am - 9:47 amBUF-MKE

4h 43m1 stop

11:47 am - 6:16 pmMKE-BUF

5h 29m1 stop

$197Delta

Find Deal

Tue, Aug 5 - Sat, Aug 9

7:45 pm - 11:59 pmBUF-MKE

5h 14m1 stop

2:54 pm - 11:57 pmMKE-BUF

8h 03m1 stop

$199Delta

Find Deal

Fri, Aug 8 - Wed, Aug 20

7:45 pm - 11:59 pmBUF-MKE

5h 14m1 stop

6:00 am - 1:39 pmMKE-BUF

6h 39m1 stop

$201Delta

Find Deal

Fri, Aug 8 - Sun, Aug 17

6:10 am - 11:45 amBUF-MKE

6h 35m2 stops

5:25 pm - 11:05 pmMKE-BUF

4h 40m1 stop

$202Southwest

Find Deal

Thu, Sep 4 - Mon, Sep 8

6:15 am - 1:03 pmBUF-MKE

7h 48m1 stop

8:10 am - 1:50 pmMKE-BUF

4h 40m1 stop

$257American Airlines

Find Deal

Sat, Aug 9 - Tue, Aug 19

6:33 pm - 11:04 pmBUF-MKE

5h 31m1 stop

6:00 am - 2:04 pmMKE-BUF

7h 04m1 stop

$259American Airlines

Find Deal

Fri, Aug 8 - Mon, Aug 18

7:55 am - 3:20 pmBUF-MKE

8h 25m1 stop

6:45 pm - 12:05 amMKE-BUF

4h 20m1 stop

$265Southwest

Find Deal

Fri, Oct 10 - Sun, Oct 12

5:54 pm - 10:41 pmBUF-MKE

5h 47m1 stop

6:00 am - 2:06 pmMKE-BUF

7h 06m2 stops

$362United Airlines

Find Deal

Fri, Sep 19 - Mon, Sep 22

7:00 am - 10:02 amBUF-MKE

4h 02m1 stop

5:15 am - 9:48 amMKE-BUF

3h 33m1 stop

$385United Airlines

Find Deal

Sun, Aug 3 - Thu, Aug 7

11:41 am - 8:50 amBUF-MKE

22h 09m3 stops

2:51 pm - 10:38 amMKE-BUF

18h 47m2 stops

$617

Find Deal

Sun, Aug 3 - Thu, Aug 7

Southwest flights from Buffalo to Milwaukee

Our best Southwest deals on Buffalo to Milwaukee flight tickets

Southwest

Sep 4

BUF6:10 amBuffalo

6h 35m

2 stops

MKE11:45 amMilwaukee-Mitchell

Sep 8

MKE5:25 pmMilwaukee-Mitchell

4h 40m

1 stop

BUF11:05 pmBuffalo

$202

Find similar

Southwest

Oct 10

BUF7:55 amBuffalo

8h 25m

1 stop

MKE3:20 pmMilwaukee-Mitchell

Oct 12

MKE6:45 pmMilwaukee-Mitchell

4h 20m

1 stop

BUF12:05 amBuffalo

$265

Find similar

Southwest

Oct 26

BUF7:30 pmBuffalo

5h 25m

1 stop

MKE11:55 pmMilwaukee-Mitchell

Oct 28

MKE5:45 amMilwaukee-Mitchell

7h 25m

2 stops

BUF2:10 pmBuffalo

$272

Find similar

American Airlines flights from Buffalo to Milwaukee

Our best American Airlines deals on Buffalo to Milwaukee flight tickets

American Airlines

Aug 9

BUF6:15 amBuffalo

7h 48m

1 stop

MKE1:03 pmMilwaukee-Mitchell

Aug 19

MKE8:10 amMilwaukee-Mitchell

4h 40m

1 stop

BUF1:50 pmBuffalo

$257

Find similar

American Airlines

Aug 8

BUF6:33 pmBuffalo

5h 31m

1 stop

MKE11:04 pmMilwaukee-Mitchell

Aug 18

MKE6:00 amMilwaukee-Mitchell

7h 04m

1 stop

BUF2:04 pmBuffalo

$259

Find similar

American Airlines

Aug 5

BUF6:00 amBuffalo

7h 58m

2 stops

MKE12:58 pmMilwaukee-Mitchell

Aug 18

MKE6:00 amMilwaukee-Mitchell

4h 26m

1 stop

BUF11:26 amBuffalo

$262

Find similar

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 July. Flight prices, which tend to average around $227, 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 July 2025, prices for Buffalo to Milwaukee flights are approximately 35% more expensive 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

Best Price Found	$99
Fastest flight time	3h 13m
Direct flights	None
Airports in Milwaukee	1 airport

The best one-way flight to Milwaukee from Buffalo in the past 72 hours is $99. The best round-trip flight deal from Buffalo to Milwaukee found on momondo in the last 72 hours is $197.

The fastest flight from Buffalo to Milwaukee takes 3h 13m

There are no direct flights from Buffalo to Milwaukee. Popular non-direct route for this connection is Buffalo Airport - Milwaukee-Mitchell Airport.

There is 1 airport near Milwaukee: Milwaukee-Mitchell (MKE)

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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 3h 13m.
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 July 2025, there are 4 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 (51% of total bookings). The next most popular airlines are American Airlines (23%), United Airlines (15%), and Southwest (11%).

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
United Airlines	PriceFrom $214	Free Cancellation	Rating 7.4 8,863 reviews	Search United Airlines flights
Delta	PriceFrom $220	Free Cancellation	Rating 8.0 7,957 reviews	Search Delta flights
American Airlines	PriceFrom $271	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $292	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights

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Glendale

Pewaukee

West Bend

Port Washington

Grafton

New Berlin

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.