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Cheap flights from San Antonio to Milwaukee from $125

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 1/7. 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
3:02 pm - 5:04 pm
SAT
-
MKE
26h 02m1 stop
Frontier Logo
11:24 am - 12:17 am
MKE
-
SAT
12h 53m1 stop
$167Frontier
Mon, Mar 2 - Mon, Mar 9
Multiple Airlines Logo
6:30 am - 7:01 pm
SAT
-
MKE
12h 31m1 stop
Multiple Airlines Logo
7:40 pm - 11:52 pm
MKE
-
SAT
28h 12m1 stop
$270Multiple Airlines
Fri, Jan 9 - Mon, Jan 12
Multiple Airlines Logo
6:30 am - 10:17 am
SAT
-
MKE
27h 47m1 stop
Multiple Airlines Logo
10:53 am - 11:52 pm
MKE
-
SAT
12h 59m2 stops
$283Multiple Airlines
Fri, Jan 23 - Fri, Jan 30
Frontier Logo
6:13 pm - 6:53 pm
SAT
-
MKE
24h 40m2 stops
Frontier Logo
7:28 pm - 5:03 pm
MKE
-
SAT
45h 35m2 stops
$324Frontier
Fri, Jan 23 - Fri, Jan 30
Delta Logo
4:29 pm - 11:28 pm
SAT
-
MKE
6h 59m1 stop
Delta Logo
6:15 am - 12:13 pm
MKE
-
SAT
5h 58m1 stop
$335Delta
Tue, Jan 6 - Tue, Jan 13
United Airlines Logo
9:00 am - 1:53 pm
SAT
-
MKE
4h 53m1 stop
United Airlines Logo
11:30 am - 7:41 pm
MKE
-
SAT
8h 11m2 stops
$340United Airlines
Tue, Jan 6 - Tue, Jan 13
United Airlines Logo
5:25 am - 12:09 pm
SAT
-
MKE
6h 44m2 stops
United Airlines Logo
8:33 am - 3:31 pm
MKE
-
SAT
6h 58m2 stops
$345United Airlines
Tue, Jan 6 - Tue, Jan 13
United Airlines Logo
8:30 am - 2:22 pm
SAT
-
MKE
5h 52m1 stop
United Airlines Logo
3:20 pm - 11:13 pm
MKE
-
SAT
7h 53m1 stop
$353United Airlines
Fri, Jan 9 - Tue, Jan 13
Delta Logo
4:45 pm - 10:43 pm
SAT
-
MKE
5h 58m1 stop
Delta Logo
2:34 pm - 11:23 pm
MKE
-
SAT
8h 49m1 stop
$354Delta
Wed, Dec 31 - Mon, Jan 5
United Airlines Logo
5:25 am - 12:09 pm
SAT
-
MKE
6h 44m2 stops
United Airlines Logo
7:00 am - 12:24 pm
MKE
-
SAT
5h 24m1 stop
$358United Airlines
Fri, Jan 9 - Tue, Jan 13

American Airlines flights from San Antonio to Milwaukee

Our best American Airlines deals on San Antonio to Milwaukee flight tickets
American Airlines
Dec 31
SAT3:00 pmSan Antonio
8h 00m
2 stops
MKE11:00 pmMilwaukee-Mitchell
Jan 5
MKE11:08 amMilwaukee-Mitchell
9h 22m
1 stop
SAT8:30 pmSan Antonio
$359
Find similar
American Airlines
Dec 26
SAT9:32 amSan Antonio
7h 29m
1 stop
MKE5:01 pmMilwaukee-Mitchell
Jan 1
MKE6:14 amMilwaukee-Mitchell
5h 48m
1 stop
SAT12:02 pmSan Antonio
$384
Find similar
American Airlines
Jan 9
SAT10:32 amSan Antonio
7h 54m
2 stops
MKE6:26 pmMilwaukee-Mitchell
Jan 12
MKE1:04 pmMilwaukee-Mitchell
8h 48m
2 stops
SAT9:52 pmSan Antonio
$400
Find similar

Southwest flights from San Antonio to Milwaukee

Our best Southwest deals on San Antonio to Milwaukee flight tickets
Southwest
Jan 9
SAT2:45 pmSan Antonio
6h 25m
2 stops
MKE9:10 pmMilwaukee-Mitchell
Jan 12
MKE5:10 amMilwaukee-Mitchell
9h 20m
2 stops
SAT2:30 pmSan Antonio
$401
Find similar
Southwest
Mar 2
SAT4:05 pmSan Antonio
6h 05m
2 stops
MKE10:10 pmMilwaukee-Mitchell
Mar 9
MKE8:05 amMilwaukee-Mitchell
9h 50m
2 stops
SAT5:55 pmSan Antonio
$437
Find similar
Southwest
Dec 24
SAT3:40 pmSan Antonio
4h 40m
1 stop
MKE8:20 pmMilwaukee-Mitchell
Dec 28
MKE6:40 amMilwaukee-Mitchell
10h 30m
1 stop
SAT5:10 pmSan Antonio
$488
Find similar

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 December 10, 2025.
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

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Mon 3/2

3:02 pm-5:04 pm

1 stop26h 02m

Milwaukee-Mitchell

Mon 3/9

11:24 am-12:17 am

1 stop12h 53m

$167

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Fri 1/9

6:30 am-7:01 pm

1 stop12h 31m

Milwaukee-Mitchell

Mon 1/12

7:40 pm-11:52 pm

1 stop28h 12m

$270

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Fri 1/23

6:30 am-10:17 am

1 stop27h 47m

Milwaukee-Mitchell

Fri 1/30

10:53 am-11:52 pm

2 stops12h 59m

$283

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Fri 1/23

6:13 pm-6:53 pm

2 stops24h 40m

Milwaukee-Mitchell

Fri 1/30

7:28 pm-5:03 pm

2 stops45h 35m

$324

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Tue 1/6

4:29 pm-11:28 pm

1 stop6h 59m

Milwaukee-Mitchell

Tue 1/13

6:15 am-12:13 pm

1 stop5h 58m

$335

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Tue 1/6

9:00 am-1:53 pm

1 stop4h 53m

Milwaukee-Mitchell

Tue 1/13

11:30 am-7:41 pm

2 stops8h 11m

$340

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Tue 1/6

5:25 am-12:09 pm

2 stops6h 44m

Milwaukee-Mitchell

Tue 1/13

8:33 am-3:31 pm

2 stops6h 58m

$345

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Fri 1/9

8:30 am-2:22 pm

1 stop5h 52m

Milwaukee-Mitchell

Tue 1/13

3:20 pm-11:13 pm

1 stop7h 53m

$353

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Wed 12/31

4:45 pm-10:43 pm

1 stop5h 58m

Milwaukee-Mitchell

Mon 1/5

2:34 pm-11:23 pm

1 stop8h 49m

$354

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Fri 1/9

5:25 am-12:09 pm

2 stops6h 44m

Milwaukee-Mitchell

Tue 1/13

7:00 am-12:24 pm

1 stop5h 24m

$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 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 September is another great option to travel to Milwaukee, with average flight prices from San Antonio averaging around $357.

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

According to our data, Wednesday is the cheapest day to fly to Milwaukee from San Antonio. The lowest ticket price found for a Wednesday departure recently was $348. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from San Antonio to Milwaukee on a Sunday will generally be more expensive and average around $536. 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 San Antonio to Milwaukee when you can find flight prices for as low as $336. 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 $461 per ticket.

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 $403 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 $236 on momondo.

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

As of December 2025, prices for San Antonio to Milwaukee flights are approximately 7% cheaper 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 41m

Direct flights

None
The fastest flight from San Antonio to Milwaukee takes 4h 41m
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 41m.

  • 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
DeltaPriceFrom $236Free CancellationRating
7.9
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $262Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
SouthwestPriceFrom $301Free CancellationRating
7.9
4,253 reviews
Search Southwest flights
United AirlinesPriceFrom $318Free CancellationRating
7.4
9,092 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
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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