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Cheap flights from Milwaukee to San Antonio from $112

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Milwaukee to San Antonio departing on 4/16. 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
0 bags

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Find the cheapest flights from Milwaukee to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:34 pm - 5:35 pm
MKE
-
SAT
22h 01m
1 stop
Frontier Logo
3:00 pm - 5:34 pm
SAT
-
MKE
26h 34m
1 stop
$201Frontier
Fri, Apr 17 - Thu, Apr 23
Frontier Logo
7:34 pm - 5:35 pm
MKE
-
SAT
22h 01m
1 stop
Frontier Logo
3:00 pm - 5:34 pm
SAT
-
MKE
26h 34m
1 stop
$232Frontier
Fri, Apr 17 - Thu, Apr 23
United Airlines Logo
12:10 pm - 5:43 pm
MKE
-
SAT
5h 33m
1 stop
United Airlines Logo
4:16 pm - 10:59 pm
SAT
-
MKE
6h 43m
1 stop
$351United Airlines
Wed, Apr 29 - Wed, May 6
United Airlines Logo
10:45 am - 4:09 pm
MKE
-
SAT
5h 24m
1 stop
United Airlines Logo
6:49 am - 2:27 pm
SAT
-
MKE
7h 38m
1 stop
$354United Airlines
Tue, Apr 28 - Sat, May 2
United Airlines Logo
10:45 am - 5:43 pm
MKE
-
SAT
6h 58m
2 stops
United Airlines Logo
6:02 pm - 10:59 pm
SAT
-
MKE
4h 57m
1 stop
$356United Airlines
Wed, Apr 29 - Wed, May 6
American Airlines Logo
7:08 am - 12:42 pm
MKE
-
SAT
5h 34m
1 stop
American Airlines Logo
6:14 pm - 11:40 pm
SAT
-
MKE
5h 26m
1 stop
$357American Airlines
Tue, May 5 - Wed, May 20
Multiple Airlines Logo
12:21 pm - 3:53 pm
MKE
-
SAT
51h 32m
2 stops
Multiple Airlines Logo
2:12 pm - 8:38 am
SAT
-
MKE
18h 26m
1 stop
$358Multiple Airlines
Mon, Apr 27 - Sat, May 2
American Airlines Logo
7:01 am - 2:21 pm
MKE
-
SAT
7h 20m
2 stops
American Airlines Logo
6:14 pm - 11:40 pm
SAT
-
MKE
5h 26m
1 stop
$359American Airlines
Tue, Apr 28 - Sat, May 2
American Airlines Logo
7:01 am - 2:21 pm
MKE
-
SAT
7h 20m
2 stops
American Airlines Logo
5:00 am - 10:59 am
SAT
-
MKE
5h 59m
1 stop
$362American Airlines
Tue, May 5 - Wed, May 20
American Airlines Logo
8:11 am - 3:38 pm
MKE
-
SAT
7h 27m
2 stops
American Airlines Logo
3:11 pm - 10:00 pm
SAT
-
MKE
6h 49m
2 stops
$364American Airlines
Tue, Apr 28 - Sat, May 2

Southwest flights from Milwaukee to San Antonio

Our best Southwest deals on Milwaukee to San Antonio flight tickets
Southwest
May 6
MKE8:00 amMilwaukee-Mitchell
9h 20m
2 stops
SAT5:20 pmSan Antonio
May 9
SAT2:45 pmSan Antonio
8h 05m
2 stops
MKE10:50 pmMilwaukee-Mitchell
$370
Southwest
Apr 21
MKE8:00 amMilwaukee-Mitchell
9h 20m
2 stops
SAT5:20 pmSan Antonio
Apr 28
SAT8:20 amSan Antonio
8h 40m
2 stops
MKE5:00 pmMilwaukee-Mitchell
$373
Southwest
May 5
MKE10:15 amMilwaukee-Mitchell
8h 20m
2 stops
SAT6:35 pmSan Antonio
May 7
SAT2:40 pmSan Antonio
8h 30m
2 stops
MKE11:10 pmMilwaukee-Mitchell
$388

American Airlines flights from Milwaukee to San Antonio

Our best American Airlines deals on Milwaukee to San Antonio flight tickets
American Airlines
May 5
MKE7:08 amMilwaukee-Mitchell
5h 34m
1 stop
SAT12:42 pmSan Antonio
May 20
SAT6:14 pmSan Antonio
5h 26m
1 stop
MKE11:40 pmMilwaukee-Mitchell
$357
American Airlines
Apr 28
MKE7:01 amMilwaukee-Mitchell
7h 20m
2 stops
SAT2:21 pmSan Antonio
May 2
SAT6:14 pmSan Antonio
5h 26m
1 stop
MKE11:40 pmMilwaukee-Mitchell
$359
American Airlines
May 5
MKE7:01 amMilwaukee-Mitchell
7h 20m
2 stops
SAT2:21 pmSan Antonio
May 20
SAT5:00 amSan Antonio
5h 59m
1 stop
MKE10:59 amMilwaukee-Mitchell
$362

momondo Fare Finder

 
Customize your flight search to find flights from Milwaukee to San Antonio 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 April 2, 2026.
Use the filters below to find and compare flights from Milwaukee to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Fri 4/17

7:34 pm-5:35 pm

1 stop22h 01m

San Antonio

Thu 4/23

3:00 pm-5:34 pm

1 stop26h 34m

$201

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Fri 4/17

7:34 pm-5:35 pm

1 stop22h 01m

San Antonio

Thu 4/23

3:00 pm-5:34 pm

1 stop26h 34m

$232

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Wed 4/29

12:10 pm-5:43 pm

1 stop5h 33m

San Antonio

Wed 5/6

4:16 pm-10:59 pm

1 stop6h 43m

$351

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Tue 4/28

10:45 am-4:09 pm

1 stop5h 24m

San Antonio

Sat 5/2

6:49 am-2:27 pm

1 stop7h 38m

$354

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Wed 4/29

10:45 am-5:43 pm

2 stops6h 58m

San Antonio

Wed 5/6

6:02 pm-10:59 pm

1 stop4h 57m

$356
Quickest round-trip

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Tue 5/5

7:08 am-12:42 pm

1 stop5h 34m

San Antonio

Wed 5/20

6:14 pm-11:40 pm

1 stop5h 26m

$357

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Mon 4/27

12:21 pm-3:53 pm

2 stops51h 32m

San Antonio

Sat 5/2

2:12 pm-8:38 am

1 stop18h 26m

$358

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Tue 4/28

7:01 am-2:21 pm

2 stops7h 20m

San Antonio

Sat 5/2

6:14 pm-11:40 pm

1 stop5h 26m

$359

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Tue 5/5

7:01 am-2:21 pm

2 stops7h 20m

San Antonio

Wed 5/20

5:00 am-10:59 am

1 stop5h 59m

$362

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Tue 4/28

8:11 am-3:38 pm

2 stops7h 27m

San Antonio

Sat 5/2

3:11 pm-10:00 pm

2 stops6h 49m

$364

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 San Antonio from

How to get the cheapest flight ticket from Milwaukee to San Antonio

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 Milwaukee and San Antonio?

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of April, then book flights to San Antonio from Milwaukee during January instead. Flights to San Antonio in January, while not as cheap as those in April, still average around $370.

How far in advance should I book a flight to San Antonio?

You are more likely to see cheaper flights to San Antonio from Milwaukee when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $404 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Milwaukee for as low as $307 on momondo.

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

As of April 2026, prices for Milwaukee to San Antonio flights are approximately 111% more expensive when compared to flights at the same time last year.

When to book flights from Milwaukee to San Antonio

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

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

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

Fastest flight time

4h 41m

Direct flights

None
The fastest flight from Milwaukee to San Antonio takes 4h 41m
There are no direct flights from Milwaukee to San Antonio. There are no popular flight routes from Milwaukee to San Antonio.
Search flight deals

Frequently asked questions about flying from Milwaukee to San Antonio

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

    A flight from Milwaukee-Mitchell to San Antonio will travel around 1107.6 mi. 4h 41m is a normal flight duration for this route.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Milwaukee-Mitchell Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The travel and health documents required for your trip to San Antonio 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 San Antonio 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 Milwaukee to San Antonio?

Best airlines flying from Milwaukee to San Antonio

Compare and see reviews for airlines that fly from Milwaukee to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $236Free CancellationRating
7.9
8,369 reviews
Search Delta flights
SouthwestPriceFrom $276Free CancellationRating
8.0
4,336 reviews
Search Southwest flights
American AirlinesPriceFrom $284Free CancellationRating
7.1
11,549 reviews
Search American Airlines flights
United AirlinesPriceFrom $311Free CancellationRating
7.4
9,533 reviews
Search United Airlines flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Boerne
Pleasanton
Schertz

Why use momondo?

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

It is quick and easy to find Milwaukee to San Antonio flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Antonio that suits you.

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

All flight searches from Milwaukee to San Antonio on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Milwaukee and San Antonio by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Milwaukee to San Antonio right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Milwaukee to San Antonio now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Antonio and let you know when they change.

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