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Cheap flights from San Antonio to Milwaukee from $144

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 9/23. 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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Find the cheapest flights from San Antonio to Milwaukee

Cheap round-trip flights

United Airlines Logo
6:30 am - 11:30 amSAT-MKE
5h 00m1 stop
United Airlines Logo
10:20 am - 5:42 pmMKE-SAT
7h 22m1 stop
$287United Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23
American Airlines Logo
6:00 am - 10:31 amSAT-MKE
4h 31m1 stop
American Airlines Logo
4:37 pm - 11:00 pmMKE-SAT
6h 23m2 stops
$292American Airlines
Find Deal
Tue, Sep 23 - Tue, Sep 30
Delta Logo
5:25 am - 12:25 pmSAT-MKE
7h 00m1 stop
Delta Logo
12:06 pm - 8:28 pmMKE-SAT
8h 22m1 stop
$347Delta
Find Deal
Thu, Oct 30 - Sun, Nov 2
Logo
8:20 pm - 7:19 pmSAT-MKE
22h 59m1 stop
Logo
12:53 pm - 8:52 pmMKE-SAT
31h 59m2 stops
$368
Find Deal
Sun, Sep 21 - Sun, Sep 28
Delta Logo
5:25 am - 11:07 amSAT-MKE
5h 42m1 stop
Delta Logo
6:32 pm - 11:25 pmMKE-SAT
4h 53m1 stop
$377Delta
Find Deal
Thu, Sep 11 - Mon, Sep 15
Southwest Logo
5:30 am - 11:05 amSAT-MKE
5h 35m1 stop
Southwest Logo
7:15 pm - 11:35 pmMKE-SAT
4h 20m1 stop
$393Southwest
Find Deal
Sat, Oct 18 - Sun, Oct 19
Logo
12:41 pm - 6:41 pmSAT-MKE
6h 00m1 stop
Logo
9:50 pm - 4:47 pmMKE-SAT
18h 57m1 stop
$397
Find Deal
Fri, Sep 5 - Sun, Sep 7
Southwest Logo
10:50 am - 7:45 pmSAT-MKE
8h 55m2 stops
Southwest Logo
2:45 pm - 9:35 pmMKE-SAT
6h 50m2 stops
$417Southwest
Find Deal
Tue, Sep 16 - Tue, Sep 23
Spirit Airlines Logo
4:16 pm - 11:02 amSAT-MKE
18h 46m2 stops
Spirit Airlines Logo
11:32 am - 3:11 pmMKE-SAT
27h 39m2 stops
$631Spirit Airlines
Find Deal
Wed, Nov 26 - Mon, Dec 1
Spirit Airlines Logo
4:16 pm - 11:02 amSAT-MKE
18h 46m2 stops
Spirit Airlines Logo
8:08 pm - 3:11 pmMKE-SAT
19h 03m2 stops
$956Spirit Airlines
Find Deal
Sat, Nov 22 - Sat, Nov 29

Delta flights from San Antonio to Milwaukee

Our best Delta deals on San Antonio to Milwaukee flight tickets
Delta
Oct 30
SAT5:25 amSan Antonio
7h 00m
1 stop
MKE12:25 pmMilwaukee-Mitchell
Nov 2
MKE12:06 pmMilwaukee-Mitchell
8h 22m
1 stop
SAT8:28 pmSan Antonio
$347
Find similar
Delta
Sep 11
SAT5:25 amSan Antonio
5h 42m
1 stop
MKE11:07 amMilwaukee-Mitchell
Sep 15
MKE6:32 pmMilwaukee-Mitchell
4h 53m
1 stop
SAT11:25 pmSan Antonio
$377
Find similar
Delta
Sep 14
SAT11:26 amSan Antonio
6h 26m
1 stop
MKE5:52 pmMilwaukee-Mitchell
Sep 21
MKE6:43 pmMilwaukee-Mitchell
5h 16m
1 stop
SAT11:59 pmSan Antonio
$427
Find similar

Southwest flights from San Antonio to Milwaukee

Our best Southwest deals on San Antonio to Milwaukee flight tickets
Southwest
Oct 18
SAT5:30 amSan Antonio
5h 35m
1 stop
MKE11:05 amMilwaukee-Mitchell
Oct 19
MKE7:15 pmMilwaukee-Mitchell
4h 20m
1 stop
SAT11:35 pmSan Antonio
$393
Find similar
Southwest
Sep 16
SAT10:50 amSan Antonio
8h 55m
2 stops
MKE7:45 pmMilwaukee-Mitchell
Sep 23
MKE2:45 pmMilwaukee-Mitchell
6h 50m
2 stops
SAT9:35 pmSan Antonio
$417
Find similar
Southwest
Nov 26
SAT11:00 amSan Antonio
6h 10m
1 stop
MKE5:10 pmMilwaukee-Mitchell
Dec 1
MKE5:00 amMilwaukee-Mitchell
5h 10m
1 stop
SAT10:10 amSan Antonio
$437
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 August 26, 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

Tue 9/16

6:30 am-11:30 am

1 stop5h 00m

Milwaukee-Mitchell

Tue 9/23

10:20 am-5:42 pm

1 stop7h 22m

$287

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Tue 9/23

6:00 am-10:31 am

1 stop4h 31m

Milwaukee-Mitchell

Tue 9/30

4:37 pm-11:00 pm

2 stops6h 23m

$292

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Thu 10/30

5:25 am-12:25 pm

1 stop7h 00m

Milwaukee-Mitchell

Sun 11/2

12:06 pm-8:28 pm

1 stop8h 22m

$347

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Sun 9/21

8:20 pm-7:19 pm

1 stop22h 59m

Milwaukee-Mitchell

Sun 9/28

12:53 pm-8:52 pm

2 stops31h 59m

$368

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Thu 9/11

5:25 am-11:07 am

1 stop5h 42m

Milwaukee-Mitchell

Mon 9/15

6:32 pm-11:25 pm

1 stop4h 53m

$377

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Sat 10/18

5:30 am-11:05 am

1 stop5h 35m

Milwaukee-Mitchell

Sun 10/19

7:15 pm-11:35 pm

1 stop4h 20m

$393

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Fri 9/5

12:41 pm-6:41 pm

1 stop6h 00m

Milwaukee-Mitchell

Sun 9/7

9:50 pm-4:47 pm

1 stop18h 57m

$397

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Tue 9/16

10:50 am-7:45 pm

2 stops8h 55m

Milwaukee-Mitchell

Tue 9/23

2:45 pm-9:35 pm

2 stops6h 50m

$417

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Wed 11/26

4:16 pm-11:02 am

2 stops18h 46m

Milwaukee-Mitchell

Mon 12/1

11:32 am-3:11 pm

2 stops27h 39m

$631

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Sat 11/22

4:16 pm-11:02 am

2 stops18h 46m

Milwaukee-Mitchell

Sat 11/29

8:08 pm-3:11 pm

2 stops19h 03m

$956

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 June. Flight prices, which tend to average around $370, are often lower during this time because this is during the off-season. The month of August is another great option to travel to Milwaukee, with average flight prices from San Antonio averaging around $375.

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 $415 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 $320 on momondo.

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

As of August 2025, prices for San Antonio to Milwaukee flights are approximately 13% 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

Direct flights

None
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 31m.

  • 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
7,979 reviews
Search Delta flights
Spirit AirlinesPriceFrom $248Free CancellationRating
6.3
8,031 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $300Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $301Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $373Free CancellationRating
7.4
8,943 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
Oak Creek
Wauwatosa
Mequon
Glendale
Kohler
Pewaukee
West Bend
Port Washington
Grafton
New Berlin

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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