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Cheap flights from Milwaukee to San Antonio from $98

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 11/7. 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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Spirit Airlines Logo
1:56 pm - 10:27 pmMKE-SAT
8h 31m1 stop
Spirit Airlines Logo
6:00 am - 12:51 pmSAT-MKE
6h 51m1 stop
$213Spirit Airlines
Find Deal
Thu, Jan 8 - Sun, Jan 11
Multiple Airlines Logo
1:56 pm - 10:27 pmMKE-SAT
8h 31m1 stop
Multiple Airlines Logo
10:13 am - 12:51 pmSAT-MKE
26h 38m2 stops
$256Multiple Airlines
Find Deal
Thu, Jan 8 - Sun, Jan 11
Delta Logo
10:28 am - 6:53 pmMKE-SAT
8h 25m1 stop
Delta Logo
5:20 am - 11:15 amSAT-MKE
5h 55m1 stop
$295Delta
Find Deal
Wed, Dec 24 - Tue, Jan 6
Southwest Logo
12:45 pm - 6:55 pmMKE-SAT
6h 10m1 stop
Southwest Logo
5:35 am - 11:20 amSAT-MKE
5h 45m1 stop
$299Southwest
Find Deal
Wed, Dec 3 - Wed, Dec 10
Southwest Logo
1:00 pm - 10:15 pmMKE-SAT
9h 15m1 stop
Southwest Logo
12:25 pm - 7:55 pmSAT-MKE
7h 30m2 stops
$300Southwest
Find Deal
Wed, Dec 24 - Tue, Jan 6
American Airlines Logo
5:00 am - 11:58 amMKE-SAT
6h 58m2 stops
American Airlines Logo
8:28 am - 5:24 pmSAT-MKE
8h 56m2 stops
$309American Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
American Airlines Logo
12:00 pm - 5:00 pmMKE-SAT
5h 00m1 stop
American Airlines Logo
3:00 pm - 10:05 pmSAT-MKE
7h 05m1 stop
$318American Airlines
Find Deal
Tue, Nov 25 - Wed, Dec 3
Delta Logo
3:07 pm - 9:19 pmMKE-SAT
6h 12m1 stop
Delta Logo
6:30 am - 2:21 pmSAT-MKE
7h 51m1 stop
$338Delta
Find Deal
Fri, Dec 5 - Mon, Dec 8
United Airlines Logo
5:35 pm - 10:59 pmMKE-SAT
5h 24m1 stop
United Airlines Logo
6:40 am - 11:27 amSAT-MKE
4h 47m1 stop
$353United Airlines
Find Deal
Tue, Dec 16 - Mon, Dec 29
United Airlines Logo
6:36 am - 3:53 pmMKE-SAT
9h 17m2 stops
United Airlines Logo
7:00 am - 12:09 pmSAT-MKE
5h 09m1 stop
$355United Airlines
Find Deal
Thu, Dec 25 - Sat, Jan 17

Spirit Airlines flights from Milwaukee to San Antonio

Our best Spirit Airlines deals on Milwaukee to San Antonio flight tickets
Spirit Airlines
Jan 8
MKE1:56 pmMilwaukee-Mitchell
8h 31m
1 stop
SAT10:27 pmSan Antonio
Jan 11
SAT6:00 amSan Antonio
6h 51m
1 stop
MKE12:51 pmMilwaukee-Mitchell
$213
Find similar
Spirit Airlines
Dec 5
MKE10:34 amMilwaukee-Mitchell
12h 52m
2 stops
SAT11:26 pmSan Antonio
Dec 10
SAT7:00 amSan Antonio
26h 39m
3 stops
MKE9:39 amMilwaukee-Mitchell
$348
Find similar
Spirit Airlines
Nov 9
MKE7:03 pmMilwaukee-Mitchell
23h 29m
3 stops
SAT6:32 pmSan Antonio
Nov 12
SAT7:37 pmSan Antonio
22h 31m
2 stops
MKE6:08 pmMilwaukee-Mitchell
$362
Find similar

Southwest flights from Milwaukee to San Antonio

Our best Southwest deals on Milwaukee to San Antonio flight tickets
Southwest
Dec 3
MKE12:45 pmMilwaukee-Mitchell
6h 10m
1 stop
SAT6:55 pmSan Antonio
Dec 10
SAT5:35 amSan Antonio
5h 45m
1 stop
MKE11:20 amMilwaukee-Mitchell
$299
Find similar
Southwest
Dec 24
MKE1:00 pmMilwaukee-Mitchell
9h 15m
1 stop
SAT10:15 pmSan Antonio
Jan 6
SAT12:25 pmSan Antonio
7h 30m
2 stops
MKE7:55 pmMilwaukee-Mitchell
$300
Find similar
Southwest
Dec 3
MKE2:35 pmMilwaukee-Mitchell
6h 35m
1 stop
SAT9:10 pmSan Antonio
Dec 10
SAT6:50 amSan Antonio
10h 00m
2 stops
MKE4:50 pmMilwaukee-Mitchell
$304
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 October 30, 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

Thu 1/8

1:56 pm-10:27 pm

1 stop8h 31m

San Antonio

Sun 1/11

6:00 am-12:51 pm

1 stop6h 51m

$213

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Thu 1/8

1:56 pm-10:27 pm

1 stop8h 31m

San Antonio

Sun 1/11

10:13 am-12:51 pm

2 stops26h 38m

$256

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Wed 12/24

10:28 am-6:53 pm

1 stop8h 25m

San Antonio

Tue 1/6

5:20 am-11:15 am

1 stop5h 55m

$295

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Wed 12/3

12:45 pm-6:55 pm

1 stop6h 10m

San Antonio

Wed 12/10

5:35 am-11:20 am

1 stop5h 45m

$299

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Wed 12/24

1:00 pm-10:15 pm

1 stop9h 15m

San Antonio

Tue 1/6

12:25 pm-7:55 pm

2 stops7h 30m

$300

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Wed 12/3

5:00 am-11:58 am

2 stops6h 58m

San Antonio

Wed 12/10

8:28 am-5:24 pm

2 stops8h 56m

$309

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Tue 11/25

12:00 pm-5:00 pm

1 stop5h 00m

San Antonio

Wed 12/3

3:00 pm-10:05 pm

1 stop7h 05m

$318

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Fri 12/5

3:07 pm-9:19 pm

1 stop6h 12m

San Antonio

Mon 12/8

6:30 am-2:21 pm

1 stop7h 51m

$338

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Tue 12/16

5:35 pm-10:59 pm

1 stop5h 24m

San Antonio

Mon 12/29

6:40 am-11:27 am

1 stop4h 47m

$353

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Thu 12/25

6:36 am-3:53 pm

2 stops9h 17m

San Antonio

Sat 1/17

7:00 am-12:09 pm

1 stop5h 09m

$355

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 $409 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 October 2025, prices for Milwaukee to San Antonio flights are approximately 35% 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

Direct flights

None
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 00m 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
Spirit AirlinesPriceFrom $215Free CancellationRating
6.3
8,116 reviews
Search Spirit Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
7,998 reviews
Search Delta flights
SouthwestPriceFrom $296Free CancellationRating
8.0
4,243 reviews
Search Southwest flights
American AirlinesPriceFrom $301Free CancellationRating
7.2
11,035 reviews
Search American Airlines flights
United AirlinesPriceFrom $311Free CancellationRating
7.4
8,998 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
Boerne
Kerrville
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.

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