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Cheap flights from Milwaukee to San Antonio from $97

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 9/10. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Milwaukee to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:10 am - 9:10 amMKE  Milwaukee-Mitchell-SAT San Antonio
23h 00m1 stop Orlando
Frontier Logo
10:03 am - 9:08 amSAT  San Antonio-MKE Milwaukee-Mitchell
23h 05m1 stop Orlando
$182Frontier
Thu, Sep 10 - Wed, Sep 16
Frontier Logo
8:10 pm - 9:39 amMKE  Milwaukee-Mitchell-SAT San Antonio
13h 29m1 stop Orlando
Frontier Logo
10:34 am - 7:15 pmSAT  San Antonio-MKE Milwaukee-Mitchell
8h 41m1 stop Orlando
$212Frontier
Thu, Oct 15 - Mon, Oct 19
United Airlines Logo
2:35 pm - 8:53 pmMKE  Milwaukee-Mitchell-SAT San Antonio
6h 18m1 stop Denver Intl
United Airlines Logo
1:25 pm - 6:58 pmSAT  San Antonio-MKE Milwaukee-Mitchell
5h 33m1 stop Chicago O'Hare Intl
$276United Airlines
Wed, Nov 4 - Sat, Nov 7
United Airlines Logo
2:35 pm - 8:53 pmMKE  Milwaukee-Mitchell-SAT San Antonio
6h 18m1 stop Denver Intl
United Airlines Logo
4:19 pm - 10:46 pmSAT  San Antonio-MKE Milwaukee-Mitchell
6h 27m1 stop Houston George Bush Intcntl
$276United Airlines
Sat, Oct 31 - Wed, Nov 4
Southwest Logo
5:00 pm - 12:05 amMKE  Milwaukee-Mitchell-SAT San Antonio
7h 05m1 stop Chicago Midway
Southwest Logo
3:30 pm - 12:05 amSAT  San Antonio-MKE Milwaukee-Mitchell
8h 35m1 stop Phoenix Sky Harbor Intl
$281Southwest
Thu, Oct 15 - Sat, Oct 24
Southwest Logo
11:00 am - 5:30 pmMKE  Milwaukee-Mitchell-SAT San Antonio
6h 30m1 stop Tampa
Southwest Logo
9:20 am - 3:50 pmSAT  San Antonio-MKE Milwaukee-Mitchell
6h 30m1 stop Dallas Love Field
$281Southwest
Fri, Sep 11 - Tue, Sep 15
Delta Logo
4:56 pm - 10:20 pmMKE  Milwaukee-Mitchell-SAT San Antonio
5h 24m1 stop Detroit Metropolitan Wayne County
Delta Logo
5:15 am - 12:44 pmSAT  San Antonio-MKE Milwaukee-Mitchell
7h 29m1 stop Detroit Metropolitan Wayne County
$281Delta
Sat, Oct 31 - Wed, Nov 4
Delta Logo
12:44 pm - 6:46 pmMKE  Milwaukee-Mitchell-SAT San Antonio
6h 02m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:10 pm - 11:48 pmSAT  San Antonio-MKE Milwaukee-Mitchell
5h 38m1 stop Atlanta Hartsfield-Jackson
$281Delta
Thu, Oct 1 - Mon, Oct 5
American Airlines Logo
7:00 pm - 12:48 amMKE  Milwaukee-Mitchell-SAT San Antonio
5h 48m1 stop Chicago O'Hare Intl
American Airlines Logo
2:35 pm - 9:54 pmSAT  San Antonio-MKE Milwaukee-Mitchell
7h 19m1 stop Chicago O'Hare Intl
$283American Airlines
Tue, Sep 8 - Wed, Sep 9
American Airlines Logo
5:50 pm - 10:50 pmMKE  Milwaukee-Mitchell-SAT San Antonio
5h 00m1 stop Dallas/Fort Worth
American Airlines Logo
7:28 am - 12:47 pmSAT  San Antonio-MKE Milwaukee-Mitchell
5h 19m1 stop Chicago O'Hare Intl
$326American Airlines
Fri, Sep 4 - Mon, Sep 7

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United Airlines flights from Milwaukee to San Antonio

Our best United Airlines deals on Milwaukee to San Antonio flight tickets
United Airlines
Oct 31
MKE2:35 pmMilwaukee-Mitchell
6h 18m
1 stop
SAT8:53 pmSan Antonio
Nov 4
SAT4:19 pmSan Antonio
6h 27m
1 stop
MKE10:46 pmMilwaukee-Mitchell
$276
United Airlines
Sep 22
MKE2:20 pmMilwaukee-Mitchell
8h 24m
2 stops
SAT10:44 pmSan Antonio
Sep 25
SAT5:58 pmSan Antonio
4h 47m
1 stop
MKE10:45 pmMilwaukee-Mitchell
$325
United Airlines
Nov 1
MKE2:35 pmMilwaukee-Mitchell
6h 18m
1 stop
SAT8:53 pmSan Antonio
Nov 3
SAT5:57 pmSan Antonio
4h 49m
1 stop
MKE10:46 pmMilwaukee-Mitchell
$354

American Airlines flights from Milwaukee to San Antonio

Our best American Airlines deals on Milwaukee to San Antonio flight tickets
American Airlines
Sep 8
MKE7:00 pmMilwaukee-Mitchell
5h 48m
1 stop
SAT12:48 amSan Antonio
Sep 9
SAT2:35 pmSan Antonio
7h 19m
1 stop
MKE9:54 pmMilwaukee-Mitchell
$283
American Airlines
Sep 4
MKE5:50 pmMilwaukee-Mitchell
5h 00m
1 stop
SAT10:50 pmSan Antonio
Sep 7
SAT7:28 amSan Antonio
5h 19m
1 stop
MKE12:47 pmMilwaukee-Mitchell
$326
American Airlines
Sep 26
MKE2:48 pmMilwaukee-Mitchell
7h 11m
2 stops
SAT9:59 pmSan Antonio
Sep 29
SAT9:37 amSan Antonio
7h 16m
1 stop
MKE4:53 pmMilwaukee-Mitchell
$337

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 August 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

Cheapest round-trip

MilwaukeeSan Antonio

MKE Milwaukee-Mitchell - SAT San Antonio

MKESAT

Milwaukee-Mitchell

Thu 9/10

10:10 am-9:10 am

1 stop23h 00m

San Antonio

Wed 9/16

10:03 am-9:08 am

1 stop23h 05m

$182

MilwaukeeSan Antonio

MKE Milwaukee-Mitchell - SAT San Antonio

MKESAT

Milwaukee-Mitchell

Thu 10/15

8:10 pm-9:39 am

1 stop13h 29m

San Antonio

Mon 10/19

10:34 am-7:15 pm

1 stop8h 41m

$212

MilwaukeeSan Antonio

MKE Milwaukee-Mitchell - SAT San Antonio

MKESAT

Milwaukee-Mitchell

Wed 11/4

2:35 pm-8:53 pm

1 stop6h 18m

San Antonio

Sat 11/7

1:25 pm-6:58 pm

1 stop5h 33m

$276

MilwaukeeSan Antonio

MKE Milwaukee-Mitchell - SAT San Antonio

MKESAT

Milwaukee-Mitchell

Sat 10/31

2:35 pm-8:53 pm

1 stop6h 18m

San Antonio

Wed 11/4

4:19 pm-10:46 pm

1 stop6h 27m

$276

MilwaukeeSan Antonio

MKE Milwaukee-Mitchell - SAT San Antonio

MKESAT

Milwaukee-Mitchell

Thu 10/15

5:00 pm-12:05 am

1 stop7h 05m

San Antonio

Sat 10/24

3:30 pm-12:05 am

1 stop8h 35m

$281

MilwaukeeSan Antonio

MKE Milwaukee-Mitchell - SAT San Antonio

MKESAT

Milwaukee-Mitchell

Fri 9/11

11:00 am-5:30 pm

1 stop6h 30m

San Antonio

Tue 9/15

9:20 am-3:50 pm

1 stop6h 30m

$281

MilwaukeeSan Antonio

MKE Milwaukee-Mitchell - SAT San Antonio

MKESAT

Milwaukee-Mitchell

Sat 10/31

4:56 pm-10:20 pm

1 stop5h 24m

San Antonio

Wed 11/4

5:15 am-12:44 pm

1 stop7h 29m

$281

MilwaukeeSan Antonio

MKE Milwaukee-Mitchell - SAT San Antonio

MKESAT

Milwaukee-Mitchell

Thu 10/1

12:44 pm-6:46 pm

1 stop6h 02m

San Antonio

Mon 10/5

6:10 pm-11:48 pm

1 stop5h 38m

$281

MilwaukeeSan Antonio

MKE Milwaukee-Mitchell - SAT San Antonio

MKESAT

Milwaukee-Mitchell

Tue 9/8

7:00 pm-12:48 am

1 stop5h 48m

San Antonio

Wed 9/9

2:35 pm-9:54 pm

1 stop7h 19m

$283
Quickest round-trip

MilwaukeeSan Antonio

MKE Milwaukee-Mitchell - SAT San Antonio

MKESAT

Milwaukee-Mitchell

Fri 9/4

5:50 pm-10:50 pm

1 stop5h 00m

San Antonio

Mon 9/7

7:28 am-12:47 pm

1 stop5h 19m

$326

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?

Prices are currently low for flights on this route.

Typical prices usually range from $379 to $792.
The lowest price recently found on this route was $182.

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of January, then book flights to San Antonio from Milwaukee during October instead. Flights to San Antonio in October, while not as cheap as those in January, still average around $376.

How far in advance should I book a flight from Milwaukee 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 $451 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 $333 on momondo.

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

As of August 2026, prices for Milwaukee to San Antonio flights are approximately 10% 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 39m

Direct flights

None
The fastest flight from Milwaukee to San Antonio takes 4h 39m
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 39m 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
SouthwestPriceFrom $280Free CancellationRating
8.0
4,218 reviews
Search Southwest flights
American AirlinesPriceFrom $299Free CancellationRating
7.1
11,923 reviews
Search American Airlines flights
DeltaPriceFrom $303Free CancellationRating
7.8
8,502 reviews
Search Delta flights
United AirlinesPriceFrom $311Free CancellationRating
7.4
10,112 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
Pleasanton
Kerrville
Boerne
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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