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Cheap flights from San Antonio to Milwaukee from $140

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Milwaukee departing on 7/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Antonio to Milwaukee

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:57 am - 7:15 pm
SAT
-
MKE
9h 18m
1 stop
Frontier Logo
8:10 pm - 9:02 am
MKE
-
SAT
12h 52m
1 stop
$279Frontier
Fri, Sep 25 - Sun, Sep 27
Frontier Logo
10:34 am - 7:15 pm
SAT
-
MKE
8h 41m
1 stop
Frontier Logo
8:10 pm - 9:39 am
MKE
-
SAT
13h 29m
1 stop
$328Frontier
Fri, Oct 16 - Sun, Oct 18
Delta Logo
5:20 am - 11:45 am
SAT
-
MKE
6h 25m
1 stop
Delta Logo
12:51 pm - 9:04 pm
MKE
-
SAT
8h 13m
1 stop
$333Delta
Tue, Aug 4 - Wed, Aug 5
Delta Logo
6:25 am - 1:54 pm
SAT
-
MKE
7h 29m
1 stop
Delta Logo
3:01 pm - 9:04 pm
MKE
-
SAT
6h 03m
1 stop
$337Delta
Thu, Aug 6 - Tue, Aug 18
Southwest Logo
11:30 am - 3:50 pm
SAT
-
MKE
4h 20m
1 stop
Southwest Logo
3:10 pm - 10:55 pm
MKE
-
SAT
7h 45m
2 stops
$338Southwest
Tue, Aug 11 - Tue, Aug 18
United Airlines Logo
5:30 am - 12:38 pm
SAT
-
MKE
7h 08m
2 stops
United Airlines Logo
5:50 pm - 11:57 pm
MKE
-
SAT
6h 07m
1 stop
$342United Airlines
Sat, Aug 22 - Mon, Aug 24
Southwest Logo
12:55 pm - 8:30 pm
SAT
-
MKE
7h 35m
2 stops
Southwest Logo
3:10 pm - 10:55 pm
MKE
-
SAT
7h 45m
2 stops
$343Southwest
Tue, Aug 11 - Tue, Aug 18
Frontier Logo
4:26 pm - 7:58 am
SAT
-
MKE
15h 32m
1 stop
Frontier Logo
8:43 am - 8:56 am
MKE
-
SAT
24h 13m
1 stop
$350Frontier
Sat, Jul 11 - Sun, Jul 19
Delta Logo
2:43 pm - 8:53 pm
SAT
-
MKE
6h 10m
1 stop
Delta Logo
3:59 pm - 9:29 pm
MKE
-
SAT
5h 30m
1 stop
$354Delta
Thu, Aug 13 - Tue, Aug 18
United Airlines Logo
6:43 am - 11:28 am
SAT
-
MKE
4h 45m
1 stop
United Airlines Logo
12:03 pm - 7:22 pm
MKE
-
SAT
7h 19m
2 stops
$358United Airlines
Thu, Oct 29 - Sat, Oct 31

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Frontier flights from San Antonio to Milwaukee

Our best Frontier deals on San Antonio to Milwaukee flight tickets
Frontier
Sep 25
SAT9:57 amSan Antonio
9h 18m
1 stop
MKE7:15 pmMilwaukee-Mitchell
Sep 27
MKE8:10 pmMilwaukee-Mitchell
12h 52m
1 stop
SAT9:02 amSan Antonio
$279
Frontier
Oct 16
SAT10:34 amSan Antonio
8h 41m
1 stop
MKE7:15 pmMilwaukee-Mitchell
Oct 18
MKE8:10 pmMilwaukee-Mitchell
13h 29m
1 stop
SAT9:39 amSan Antonio
$328
Frontier
Jul 13
SAT9:51 amSan Antonio
22h 07m
1 stop
MKE7:58 amMilwaukee-Mitchell
Jul 19
MKE8:43 amMilwaukee-Mitchell
24h 13m
1 stop
SAT8:56 amSan Antonio
$350

American Airlines flights from San Antonio to Milwaukee

Our best American Airlines deals on San Antonio to Milwaukee flight tickets
American Airlines
Aug 4
SAT6:01 amSan Antonio
6h 44m
2 stops
MKE12:45 pmMilwaukee-Mitchell
Aug 4
MKE6:55 pmMilwaukee-Mitchell
5h 15m
1 stop
SAT12:10 amSan Antonio
$366
American Airlines
Aug 6
SAT7:28 amSan Antonio
5h 19m
1 stop
MKE12:47 pmMilwaukee-Mitchell
Aug 18
MKE3:39 pmMilwaukee-Mitchell
7h 11m
2 stops
SAT10:50 pmSan Antonio
$370
American Airlines
Aug 6
SAT7:28 amSan Antonio
5h 19m
1 stop
MKE12:47 pmMilwaukee-Mitchell
Aug 18
MKE3:39 pmMilwaukee-Mitchell
7h 11m
2 stops
SAT10:50 pmSan Antonio
$387

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio 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, momondo users made 832,500 searches. Data last updated July 2, 2026.
Use the filters below to find and compare flights from San Antonio to Milwaukee that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Fri 9/25

9:57 am-7:15 pm

1 stop9h 18m

Milwaukee-Mitchell

Sun 9/27

8:10 pm-9:02 am

1 stop12h 52m

$279

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Fri 10/16

10:34 am-7:15 pm

1 stop8h 41m

Milwaukee-Mitchell

Sun 10/18

8:10 pm-9:39 am

1 stop13h 29m

$328

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Tue 8/4

5:20 am-11:45 am

1 stop6h 25m

Milwaukee-Mitchell

Wed 8/5

12:51 pm-9:04 pm

1 stop8h 13m

$333

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Thu 8/6

6:25 am-1:54 pm

1 stop7h 29m

Milwaukee-Mitchell

Tue 8/18

3:01 pm-9:04 pm

1 stop6h 03m

$337

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Tue 8/11

11:30 am-3:50 pm

1 stop4h 20m

Milwaukee-Mitchell

Tue 8/18

3:10 pm-10:55 pm

2 stops7h 45m

$338

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Sat 8/22

5:30 am-12:38 pm

2 stops7h 08m

Milwaukee-Mitchell

Mon 8/24

5:50 pm-11:57 pm

1 stop6h 07m

$342

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Tue 8/11

12:55 pm-8:30 pm

2 stops7h 35m

Milwaukee-Mitchell

Tue 8/18

3:10 pm-10:55 pm

2 stops7h 45m

$343

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Sat 7/11

4:26 pm-7:58 am

1 stop15h 32m

Milwaukee-Mitchell

Sun 7/19

8:43 am-8:56 am

1 stop24h 13m

$350
Quickest round-trip

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Thu 8/13

2:43 pm-8:53 pm

1 stop6h 10m

Milwaukee-Mitchell

Tue 8/18

3:59 pm-9:29 pm

1 stop5h 30m

$354

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Thu 10/29

6:43 am-11:28 am

1 stop4h 45m

Milwaukee-Mitchell

Sat 10/31

12:03 pm-7:22 pm

2 stops7h 19m

$358

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Milwaukee from

How to get the cheapest flight ticket from San Antonio 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

What is the typical price of a round-trip flight between San Antonio and Milwaukee?

What is the cheapest month to fly to Milwaukee?

The cheapest month to fly to Milwaukee from San Antonio is in January. Flight prices, which tend to average around $334, are often lower during this time because this is during the off-season. The month of December is another great option to travel to Milwaukee, with average flight prices from San Antonio averaging around $351.

How have San Antonio to Milwaukee flight prices changed over time?

As of July 2026, prices for San Antonio to Milwaukee flights are approximately 87% more expensive when compared to flights at the same time last year.

When to book flights from San Antonio to Milwaukee

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Milwaukee according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Antonio to Milwaukee (SAT to MKE) flight deals and tips

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

Fastest flight time

4h 57m

Direct flights

None
The fastest flight from San Antonio to Milwaukee takes 4h 57m
There are no direct flights from San Antonio to Milwaukee. There are no popular flight routes from San Antonio to Milwaukee.
Search flight deals

Frequently asked questions about flying from San Antonio to Milwaukee

  • How far is San Antonio to Milwaukee-Mitchell by plane?

    The distance between San Antonio and Milwaukee-Mitchell is about 1107.6 mi. By plane, this route typically takes 4h 57m.

  • When did momondo last update prices for flights from San Antonio Airport to Milwaukee-Mitchell Airport?

    Prices for flights from San Antonio Airport to Milwaukee-Mitchell Airport refresh daily.

  • How many operators does momondo search for flights from San Antonio Airport to Milwaukee-Mitchell Airport?

  • How old do you have to be to fly from San Antonio Airport to Milwaukee-Mitchell Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Milwaukee-Mitchell Airport.

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

    The travel and health documents you'll need for your trip to Milwaukee-Mitchell Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Milwaukee-Mitchell Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San Antonio to Milwaukee?

Best airlines flying from San Antonio to Milwaukee

Compare and see reviews for airlines that fly from San Antonio to Milwaukee with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $260Free CancellationRating
7.9
4,249 reviews
Search Southwest flights
DeltaPriceFrom $275Free CancellationRating
7.8
8,452 reviews
Search Delta flights
American AirlinesPriceFrom $305Free CancellationRating
7.1
11,769 reviews
Search American Airlines flights
United AirlinesPriceFrom $322Free CancellationRating
7.4
9,926 reviews
Search United Airlines flights

Traveling to a place near Milwaukee?

Book flights to Milwaukee if you plan to visit one of these locations
Sheboygan
Waukesha
Wauwatosa
Oak Creek
Mequon
Glendale
West Bend
Pewaukee
Port Washington
Kohler
New Berlin
Grafton

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Antonio to Milwaukee for you.

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

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

How can momondo help me find flights from San Antonio to Milwaukee?

momondo provides multiple filters to help you find the best flight to Milwaukee from San Antonio. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from San Antonio 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 San Antonio and alert you when they change.

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