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Cheap flights from San Antonio to Milwaukee from $148

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 4/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Antonio to Milwaukee

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:23 am - 6:49 pm
SAT
-
MKE
8h 26m
1 stop
Frontier Logo
5:05 pm - 3:09 pm
MKE
-
SAT
22h 04m
1 stop
$253Frontier
Fri, Apr 17 - Mon, Apr 20
United Airlines Logo
5:50 pm - 10:30 pm
SAT
-
MKE
4h 40m
1 stop
United Airlines Logo
6:50 am - 12:24 pm
MKE
-
SAT
5h 34m
1 stop
$275United Airlines
Tue, Apr 21 - Tue, Apr 28
United Airlines Logo
5:50 pm - 10:30 pm
SAT
-
MKE
4h 40m
1 stop
United Airlines Logo
5:10 am - 1:08 pm
MKE
-
SAT
7h 58m
2 stops
$280United Airlines
Tue, Apr 21 - Tue, Apr 28
American Airlines Logo
6:00 am - 1:30 pm
SAT
-
MKE
7h 30m
2 stops
American Airlines Logo
8:11 am - 3:38 pm
MKE
-
SAT
7h 27m
2 stops
$287American Airlines
Tue, Apr 21 - Tue, Apr 28
Delta Logo
5:00 pm - 11:57 pm
SAT
-
MKE
6h 57m
1 stop
Delta Logo
2:50 pm - 10:25 pm
MKE
-
SAT
7h 35m
1 stop
$304Delta
Tue, Apr 21 - Thu, Apr 23
American Airlines Logo
6:00 am - 1:30 pm
SAT
-
MKE
7h 30m
2 stops
American Airlines Logo
5:00 pm - 11:56 pm
MKE
-
SAT
6h 56m
1 stop
$332American Airlines
Tue, Apr 21 - Thu, Apr 23
American Airlines Logo
6:00 am - 10:59 am
SAT
-
MKE
4h 59m
1 stop
American Airlines Logo
7:08 am - 12:42 pm
MKE
-
SAT
5h 34m
1 stop
$333American Airlines
Thu, Apr 23 - Sat, Apr 25
American Airlines Logo
6:00 am - 10:59 am
SAT
-
MKE
4h 59m
1 stop
American Airlines Logo
7:01 am - 2:21 pm
MKE
-
SAT
7h 20m
2 stops
$338American Airlines
Thu, Apr 23 - Sat, Apr 25
American Airlines Logo
6:00 am - 10:59 am
SAT
-
MKE
4h 59m
1 stop
American Airlines Logo
7:08 am - 2:21 pm
MKE
-
SAT
7h 13m
1 stop
$351American Airlines
Tue, Apr 21 - Thu, Apr 23
Southwest Logo
3:45 pm - 9:55 pm
SAT
-
MKE
6h 10m
1 stop
Southwest Logo
8:15 am - 3:20 pm
MKE
-
SAT
7h 05m
2 stops
$352Southwest
Tue, Jun 2 - Tue, Jun 16

Frontier flights from San Antonio to Milwaukee

Our best Frontier deals on San Antonio to Milwaukee flight tickets
Frontier
Apr 17
SAT10:23 amSan Antonio
8h 26m
1 stop
MKE6:49 pmMilwaukee-Mitchell
Apr 20
MKE5:05 pmMilwaukee-Mitchell
22h 04m
1 stop
SAT3:09 pmSan Antonio
$253
Frontier
Mar 28
SAT6:45 amSan Antonio
13h 21m
2 stops
MKE8:06 pmMilwaukee-Mitchell
Mar 30
MKE8:20 pmMilwaukee-Mitchell
17h 03m
1 stop
SAT1:23 pmSan Antonio
$636

Delta flights from San Antonio to Milwaukee

Our best Delta deals on San Antonio to Milwaukee flight tickets
Delta
Apr 21
SAT5:00 pmSan Antonio
6h 57m
1 stop
MKE11:57 pmMilwaukee-Mitchell
Apr 23
MKE2:50 pmMilwaukee-Mitchell
7h 35m
1 stop
SAT10:25 pmSan Antonio
$304
Delta
Apr 21
SAT12:26 pmSan Antonio
8h 09m
1 stop
MKE8:35 pmMilwaukee-Mitchell
Apr 23
MKE6:50 pmMilwaukee-Mitchell
5h 56m
1 stop
SAT12:46 amSan Antonio
$378
Delta
Apr 9
SAT6:17 pmSan Antonio
5h 41m
1 stop
MKE11:58 pmMilwaukee-Mitchell
Apr 16
MKE2:50 pmMilwaukee-Mitchell
5h 40m
1 stop
SAT8:30 pmSan Antonio
$405

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 March 24, 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 4/17

10:23 am-6:49 pm

1 stop8h 26m

Milwaukee-Mitchell

Mon 4/20

5:05 pm-3:09 pm

1 stop22h 04m

$253
Quickest round-trip

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Tue 4/21

5:50 pm-10:30 pm

1 stop4h 40m

Milwaukee-Mitchell

Tue 4/28

6:50 am-12:24 pm

1 stop5h 34m

$275

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Tue 4/21

5:50 pm-10:30 pm

1 stop4h 40m

Milwaukee-Mitchell

Tue 4/28

5:10 am-1:08 pm

2 stops7h 58m

$280

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Tue 4/21

6:00 am-1:30 pm

2 stops7h 30m

Milwaukee-Mitchell

Tue 4/28

8:11 am-3:38 pm

2 stops7h 27m

$287

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Tue 4/21

5:00 pm-11:57 pm

1 stop6h 57m

Milwaukee-Mitchell

Thu 4/23

2:50 pm-10:25 pm

1 stop7h 35m

$304

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Tue 4/21

6:00 am-1:30 pm

2 stops7h 30m

Milwaukee-Mitchell

Thu 4/23

5:00 pm-11:56 pm

1 stop6h 56m

$332

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Thu 4/23

6:00 am-10:59 am

1 stop4h 59m

Milwaukee-Mitchell

Sat 4/25

7:08 am-12:42 pm

1 stop5h 34m

$333

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Thu 4/23

6:00 am-10:59 am

1 stop4h 59m

Milwaukee-Mitchell

Sat 4/25

7:01 am-2:21 pm

2 stops7h 20m

$338

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Tue 4/21

6:00 am-10:59 am

1 stop4h 59m

Milwaukee-Mitchell

Thu 4/23

7:08 am-2:21 pm

1 stop7h 13m

$351

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Tue 6/2

3:45 pm-9:55 pm

1 stop6h 10m

Milwaukee-Mitchell

Tue 6/16

8:15 am-3:20 pm

2 stops7h 05m

$352

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 cheapest month to fly to Milwaukee?

The cheapest month to fly to Milwaukee from San Antonio is in October. Flight prices, which tend to average around $326, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Milwaukee, with average flight prices from San Antonio averaging around $334.

How far in advance should I book a flight to Milwaukee?

You are more likely to see cheaper flights to Milwaukee from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Milwaukee for around $386 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Milwaukee from San Antonio for as low as $280 on momondo.

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

As of March 2026, prices for San Antonio to Milwaukee flights are approximately 84% 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 34m

Direct flights

None
The fastest flight from San Antonio to Milwaukee takes 4h 34m
There are no direct flights from San Antonio to Milwaukee. There are no popular flight routes from San Antonio to Milwaukee.
Search flight deals

  • 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 34m.

  • 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
American AirlinesPriceFrom $236Free CancellationRating
7.1
11,492 reviews
Search American Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,320 reviews
Search Delta flights
SouthwestPriceFrom $266Free CancellationRating
8.0
4,329 reviews
Search Southwest flights
United AirlinesPriceFrom $318Free CancellationRating
7.4
9,469 reviews
Search United Airlines flights

  • Southwest Flights From San Antonio to Milwaukee

    Southwest flies from San Antonio to Milwaukee around 2 times per week, with 4,329 momondo users rating the airline 8.0/10. The cheapest Southwest deal from San Antonio to Milwaukee in the last 72 hours was $266 (round-trip), much lower than the average airfare cost of $397 for Southwest flights on this route.

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
Pewaukee
Kohler
Port Washington
West Bend
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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