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Cheap flights from Milwaukee to San Antonio from $116

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 12/19. 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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Cheap round-trip flights

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Multiple Airlines Logo
10:53 am - 11:52 pm
MKE
-
SAT
12h 59m2 stops
Multiple Airlines Logo
9:09 am - 6:47 pm
SAT
-
MKE
9h 38m1 stop
$268Multiple Airlines
Mon, Jan 12 - Thu, Jan 15
Multiple Airlines Logo
10:53 am - 11:52 pm
MKE
-
SAT
12h 59m2 stops
Multiple Airlines Logo
8:59 am - 6:47 pm
SAT
-
MKE
9h 48m1 stop
$273Multiple Airlines
Mon, Jan 12 - Sun, Jan 18
Multiple Airlines Logo
7:40 pm - 11:52 pm
MKE
-
SAT
28h 12m1 stop
Multiple Airlines Logo
9:09 am - 6:47 pm
SAT
-
MKE
9h 38m1 stop
$274Multiple Airlines
Mon, Jan 12 - Thu, Jan 15
Multiple Airlines Logo
7:30 pm - 11:52 pm
MKE
-
SAT
28h 22m1 stop
Multiple Airlines Logo
9:09 am - 6:47 pm
SAT
-
MKE
9h 38m1 stop
$275Multiple Airlines
Thu, Jan 8 - Thu, Jan 15
Multiple Airlines Logo
7:40 pm - 11:52 pm
MKE
-
SAT
28h 12m1 stop
Multiple Airlines Logo
8:59 am - 6:47 pm
SAT
-
MKE
9h 48m1 stop
$280Multiple Airlines
Mon, Jan 12 - Sun, Jan 18
Delta Logo
5:30 am - 12:45 pm
MKE
-
SAT
7h 15m1 stop
Delta Logo
5:30 am - 12:29 pm
SAT
-
MKE
6h 59m1 stop
$281Delta
Sat, Jan 17 - Sun, Jan 18
Multiple Airlines Logo
10:53 am - 11:52 pm
MKE
-
SAT
12h 59m2 stops
Multiple Airlines Logo
6:30 am - 6:52 pm
SAT
-
MKE
12h 22m1 stop
$284Multiple Airlines
Mon, Jan 12 - Fri, Jan 16
Multiple Airlines Logo
8:15 pm - 11:52 pm
MKE
-
SAT
27h 37m1 stop
Multiple Airlines Logo
7:14 pm - 9:58 am
SAT
-
MKE
14h 44m2 stops
$286Multiple Airlines
Wed, Jan 7 - Sun, Jan 11
Multiple Airlines Logo
7:47 pm - 11:52 pm
MKE
-
SAT
28h 05m1 stop
Multiple Airlines Logo
6:30 am - 6:01 pm
SAT
-
MKE
11h 31m1 stop
$287Multiple Airlines
Fri, Jan 16 - Wed, Jan 21
Multiple Airlines Logo
7:47 pm - 11:52 pm
MKE
-
SAT
28h 05m1 stop
Multiple Airlines Logo
6:30 am - 6:53 pm
SAT
-
MKE
12h 23m1 stop
$288Multiple Airlines
Fri, Jan 16 - Sat, Jan 24

United Airlines flights from Milwaukee to San Antonio

Our best United Airlines deals on Milwaukee to San Antonio flight tickets
United Airlines
Jan 14
MKE6:00 amMilwaukee-Mitchell
6h 24m
1 stop
SAT12:24 pmSan Antonio
Jan 20
SAT5:25 amSan Antonio
6h 44m
2 stops
MKE12:09 pmMilwaukee-Mitchell
$295
Find similar
United Airlines
Jan 14
MKE3:45 pmMilwaukee-Mitchell
7h 12m
1 stop
SAT10:57 pmSan Antonio
Jan 21
SAT5:59 pmSan Antonio
5h 00m
1 stop
MKE10:59 pmMilwaukee-Mitchell
$299
Find similar
United Airlines
Jan 14
MKE3:45 pmMilwaukee-Mitchell
5h 36m
1 stop
SAT9:21 pmSan Antonio
Jan 21
SAT5:25 amSan Antonio
8h 28m
2 stops
MKE1:53 pmMilwaukee-Mitchell
$304
Find similar

American Airlines flights from Milwaukee to San Antonio

Our best American Airlines deals on Milwaukee to San Antonio flight tickets
American Airlines
Jan 14
MKE7:32 amMilwaukee-Mitchell
8h 13m
2 stops
SAT3:45 pmSan Antonio
Jan 17
SAT9:30 amSan Antonio
6h 27m
2 stops
MKE3:57 pmMilwaukee-Mitchell
$300
Find similar
American Airlines
Jan 6
MKE1:04 pmMilwaukee-Mitchell
8h 48m
2 stops
SAT9:52 pmSan Antonio
Jan 10
SAT12:41 pmSan Antonio
4h 24m
1 stop
MKE5:05 pmMilwaukee-Mitchell
$322
Find similar
American Airlines
Jan 31
MKE9:30 amMilwaukee-Mitchell
8h 01m
2 stops
SAT5:31 pmSan Antonio
Feb 5
SAT7:00 amSan Antonio
4h 17m
1 stop
MKE11:17 amMilwaukee-Mitchell
$340
Find similar

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 December 11, 2025.
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

Mon 1/12

10:53 am-11:52 pm

2 stops12h 59m

San Antonio

Thu 1/15

9:09 am-6:47 pm

1 stop9h 38m

$268

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Mon 1/12

10:53 am-11:52 pm

2 stops12h 59m

San Antonio

Sun 1/18

8:59 am-6:47 pm

1 stop9h 48m

$273

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Mon 1/12

7:40 pm-11:52 pm

1 stop28h 12m

San Antonio

Thu 1/15

9:09 am-6:47 pm

1 stop9h 38m

$274

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Thu 1/8

7:30 pm-11:52 pm

1 stop28h 22m

San Antonio

Thu 1/15

9:09 am-6:47 pm

1 stop9h 38m

$275

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Mon 1/12

7:40 pm-11:52 pm

1 stop28h 12m

San Antonio

Sun 1/18

8:59 am-6:47 pm

1 stop9h 48m

$280

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Sat 1/17

5:30 am-12:45 pm

1 stop7h 15m

San Antonio

Sun 1/18

5:30 am-12:29 pm

1 stop6h 59m

$281

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Mon 1/12

10:53 am-11:52 pm

2 stops12h 59m

San Antonio

Fri 1/16

6:30 am-6:52 pm

1 stop12h 22m

$284

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Wed 1/7

8:15 pm-11:52 pm

1 stop27h 37m

San Antonio

Sun 1/11

7:14 pm-9:58 am

2 stops14h 44m

$286

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Fri 1/16

7:47 pm-11:52 pm

1 stop28h 05m

San Antonio

Wed 1/21

6:30 am-6:01 pm

1 stop11h 31m

$287

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Fri 1/16

7:47 pm-11:52 pm

1 stop28h 05m

San Antonio

Sat 1/24

6:30 am-6:53 pm

1 stop12h 23m

$288

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 September instead. Flights to San Antonio in September, while not as cheap as those in April, still average around $375.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Tuesday when prices can be found for as low as $370. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $428.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the morning. momondo users have found flights departing from Milwaukee to San Antonio in the morning for as low as $386. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the evening, with an average ticket price of $416. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $408 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 $315 on momondo.

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

As of December 2025, prices for Milwaukee to San Antonio flights are approximately 67% 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

5h 11m

Direct flights

None
The fastest flight from Milwaukee to San Antonio takes 5h 11m
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 11m 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
8,008 reviews
Search Delta flights
SouthwestPriceFrom $280Free CancellationRating
7.9
4,253 reviews
Search Southwest flights
United AirlinesPriceFrom $296Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
American AirlinesPriceFrom $296Free CancellationRating
7.2
11,050 reviews
Search American 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
Schertz
Pleasanton

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.

An easier way to manage your San Antonio trip

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