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Cheap flights from Milwaukee to San Antonio from $132

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 2/27. 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 Milwaukee to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:03 pm - 9:24 am
MKE
-
SAT
21h 21m
1 stop
Frontier Logo
3:14 pm - 6:59 pm
SAT
-
MKE
27h 45m
1 stop
$212Frontier
Thu, Apr 16 - Sun, Apr 19
Frontier Logo
7:46 pm - 12:17 am
MKE
-
SAT
28h 31m
1 stop
Frontier Logo
2:13 pm - 11:36 am
SAT
-
MKE
21h 23m
1 stop
$219Frontier
Mon, Mar 9 - Thu, Mar 12
Frontier Logo
4:39 pm - 1:12 pm
MKE
-
SAT
20h 33m
1 stop
Frontier Logo
8:53 pm - 5:50 pm
SAT
-
MKE
20h 57m
1 stop
$221Frontier
Wed, Mar 4 - Mon, Mar 9
Frontier Logo
7:37 pm - 2:39 pm
MKE
-
SAT
19h 02m
1 stop
Frontier Logo
3:14 pm - 6:59 pm
SAT
-
MKE
27h 45m
1 stop
$233Frontier
Fri, Apr 24 - Sun, Apr 26
Frontier Logo
7:46 pm - 9:06 am
MKE
-
SAT
13h 20m
1 stop
Frontier Logo
8:53 pm - 5:50 pm
SAT
-
MKE
20h 57m
1 stop
$235Frontier
Fri, Mar 6 - Mon, Mar 9
Frontier Logo
7:37 pm - 2:19 pm
MKE
-
SAT
18h 42m
1 stop
Frontier Logo
6:54 pm - 11:08 am
SAT
-
MKE
16h 14m
1 stop
$246Frontier
Mon, May 11 - Sat, May 16
Frontier Logo
7:37 pm - 1:12 pm
MKE
-
SAT
17h 35m
1 stop
Frontier Logo
8:24 pm - 7:26 pm
SAT
-
MKE
23h 02m
1 stop
$272Frontier
Thu, Feb 26 - Sun, Mar 1
Frontier Logo
7:37 pm - 2:39 pm
MKE
-
SAT
19h 02m
1 stop
Frontier Logo
3:14 pm - 6:59 pm
SAT
-
MKE
27h 45m
1 stop
$287Frontier
Fri, May 8 - Sun, May 10
Multiple Airlines Logo
4:39 pm - 1:12 pm
MKE
-
SAT
20h 33m
1 stop
Multiple Airlines Logo
6:00 am - 3:44 pm
SAT
-
MKE
9h 44m
1 stop
$306Multiple Airlines
Wed, Feb 25 - Wed, Mar 4
Multiple Airlines Logo
12:36 pm - 11:59 pm
MKE
-
SAT
11h 23m
1 stop
Multiple Airlines Logo
2:13 pm - 10:21 am
SAT
-
MKE
20h 08m
2 stops
$308Multiple Airlines
Mon, Mar 9 - Thu, Mar 12

United Airlines flights from Milwaukee to San Antonio

Our best United Airlines deals on Milwaukee to San Antonio flight tickets
United Airlines
Apr 18
MKE12:10 pmMilwaukee-Mitchell
5h 33m
1 stop
SAT5:43 pmSan Antonio
Apr 25
SAT6:49 amSan Antonio
4h 43m
1 stop
MKE11:32 amMilwaukee-Mitchell
$337
United Airlines
Apr 22
MKE12:13 pmMilwaukee-Mitchell
7h 35m
2 stops
SAT7:48 pmSan Antonio
Apr 25
SAT6:02 pmSan Antonio
4h 57m
1 stop
MKE10:59 pmMilwaukee-Mitchell
$341
United Airlines
Apr 8
MKE7:50 amMilwaukee-Mitchell
7h 56m
2 stops
SAT3:46 pmSan Antonio
Apr 11
SAT6:49 amSan Antonio
4h 43m
1 stop
MKE11:32 amMilwaukee-Mitchell
$352

Frontier flights from Milwaukee to San Antonio

Our best Frontier deals on Milwaukee to San Antonio flight tickets
Frontier
Apr 16
MKE12:03 pmMilwaukee-Mitchell
21h 21m
1 stop
SAT9:24 amSan Antonio
Apr 19
SAT3:14 pmSan Antonio
27h 45m
1 stop
MKE6:59 pmMilwaukee-Mitchell
$212
Frontier
Mar 9
MKE7:46 pmMilwaukee-Mitchell
28h 31m
1 stop
SAT12:17 amSan Antonio
Mar 12
SAT2:13 pmSan Antonio
21h 23m
1 stop
MKE11:36 amMilwaukee-Mitchell
$219
Frontier
Mar 4
MKE4:39 pmMilwaukee-Mitchell
20h 33m
1 stop
SAT1:12 pmSan Antonio
Mar 9
SAT8:53 pmSan Antonio
20h 57m
1 stop
MKE5:50 pmMilwaukee-Mitchell
$221

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 February 13, 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

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Thu 4/16

12:03 pm-9:24 am

1 stop21h 21m

San Antonio

Sun 4/19

3:14 pm-6:59 pm

1 stop27h 45m

$212

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Mon 3/9

7:46 pm-12:17 am

1 stop28h 31m

San Antonio

Thu 3/12

2:13 pm-11:36 am

1 stop21h 23m

$219

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Wed 3/4

4:39 pm-1:12 pm

1 stop20h 33m

San Antonio

Mon 3/9

8:53 pm-5:50 pm

1 stop20h 57m

$221

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Fri 4/24

7:37 pm-2:39 pm

1 stop19h 02m

San Antonio

Sun 4/26

3:14 pm-6:59 pm

1 stop27h 45m

$233

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Fri 3/6

7:46 pm-9:06 am

1 stop13h 20m

San Antonio

Mon 3/9

8:53 pm-5:50 pm

1 stop20h 57m

$235

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Mon 5/11

7:37 pm-2:19 pm

1 stop18h 42m

San Antonio

Sat 5/16

6:54 pm-11:08 am

1 stop16h 14m

$246

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Thu 2/26

7:37 pm-1:12 pm

1 stop17h 35m

San Antonio

Sun 3/1

8:24 pm-7:26 pm

1 stop23h 02m

$272

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Fri 5/8

7:37 pm-2:39 pm

1 stop19h 02m

San Antonio

Sun 5/10

3:14 pm-6:59 pm

1 stop27h 45m

$287

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Wed 2/25

4:39 pm-1:12 pm

1 stop20h 33m

San Antonio

Wed 3/4

6:00 am-3:44 pm

1 stop9h 44m

$306

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Mon 3/9

12:36 pm-11:59 pm

1 stop11h 23m

San Antonio

Thu 3/12

2:13 pm-10:21 am

2 stops20h 08m

$308

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 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 $402 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 February 2026, prices for Milwaukee to San Antonio flights are approximately 14% cheaper 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

5h 17m

Direct flights

None
The fastest flight from Milwaukee to San Antonio takes 5h 17m
There are no direct flights from Milwaukee to San Antonio. There are no popular flight routes from Milwaukee to San Antonio.
Search flight deals

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

    A flight from Milwaukee-Mitchell to San Antonio will travel around 1107.6 mi. 5h 17m 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 $193Free CancellationRating
7.9
8,203 reviews
Search Delta flights
SouthwestPriceFrom $276Free CancellationRating
8.0
4,284 reviews
Search Southwest flights
American AirlinesPriceFrom $284Free CancellationRating
7.2
11,288 reviews
Search American Airlines flights
United AirlinesPriceFrom $311Free CancellationRating
7.4
9,289 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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