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Cheap flights from San Antonio to Milwaukee from $180

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Milwaukee departing on 5/18. 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 San Antonio to Milwaukee

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
1:52 pm - 3:44 pm
SAT
-
MKE
25h 52m
1 stop
Frontier Logo
12:36 pm - 7:58 pm
MKE
-
SAT
7h 22m
1 stop
$184Frontier
Mon, Mar 2 - Mon, Mar 9
Multiple Airlines Logo
1:52 pm - 3:44 pm
SAT
-
MKE
25h 52m
1 stop
Multiple Airlines Logo
12:36 pm - 9:30 am
MKE
-
SAT
44h 54m
2 stops
$260Multiple Airlines
Mon, Mar 2 - Mon, Mar 9
Multiple Airlines Logo
5:04 pm - 6:52 pm
SAT
-
MKE
25h 48m
2 stops
Multiple Airlines Logo
8:11 pm - 11:59 pm
MKE
-
SAT
27h 48m
1 stop
$294Multiple Airlines
Fri, Feb 27 - Mon, Mar 2
Frontier Logo
2:40 pm - 8:06 pm
SAT
-
MKE
29h 26m
1 stop
Frontier Logo
7:15 pm - 12:17 am
MKE
-
SAT
29h 02m
1 stop
$299Frontier
Fri, Mar 13 - Mon, Mar 16
Multiple Airlines Logo
6:00 am - 6:52 pm
SAT
-
MKE
12h 52m
1 stop
Multiple Airlines Logo
1:14 pm - 11:59 pm
MKE
-
SAT
10h 45m
1 stop
$325Multiple Airlines
Sat, Feb 28 - Sat, Mar 7
Multiple Airlines Logo
1:57 pm - 6:52 pm
SAT
-
MKE
28h 55m
1 stop
Multiple Airlines Logo
8:11 pm - 11:59 pm
MKE
-
SAT
27h 48m
1 stop
$329Multiple Airlines
Fri, Feb 27 - Mon, Mar 2
American Airlines Logo
4:47 pm - 11:38 pm
SAT
-
MKE
6h 51m
1 stop
American Airlines Logo
5:48 pm - 11:55 pm
MKE
-
SAT
6h 07m
1 stop
$336American Airlines
Sat, Feb 21 - Tue, Feb 24
Multiple Airlines Logo
1:22 pm - 6:17 pm
SAT
-
MKE
28h 55m
1 stop
Multiple Airlines Logo
7:02 pm - 12:27 pm
MKE
-
SAT
17h 25m
1 stop
$340Multiple Airlines
Wed, Apr 8 - Sun, Apr 12
American Airlines Logo
3:08 pm - 10:57 pm
SAT
-
MKE
7h 49m
2 stops
American Airlines Logo
5:48 pm - 11:55 pm
MKE
-
SAT
6h 07m
1 stop
$341American Airlines
Sat, Feb 21 - Tue, Feb 24
Delta Logo
5:30 pm - 11:58 pm
SAT
-
MKE
6h 28m
1 stop
Delta Logo
6:46 pm - 12:38 am
MKE
-
SAT
5h 52m
1 stop
$359Delta
Wed, Apr 8 - Thu, Apr 9

Frontier flights from San Antonio to Milwaukee

Our best Frontier deals on San Antonio to Milwaukee flight tickets
Frontier
Mar 2
SAT1:52 pmSan Antonio
25h 52m
1 stop
MKE3:44 pmMilwaukee-Mitchell
Mar 9
MKE12:36 pmMilwaukee-Mitchell
7h 22m
1 stop
SAT7:58 pmSan Antonio
$184
Frontier
Mar 13
SAT2:40 pmSan Antonio
29h 26m
1 stop
MKE8:06 pmMilwaukee-Mitchell
Mar 16
MKE7:15 pmMilwaukee-Mitchell
29h 02m
1 stop
SAT12:17 amSan Antonio
$299
Frontier
Mar 9
SAT8:53 pmSan Antonio
20h 57m
1 stop
MKE5:50 pmMilwaukee-Mitchell
Mar 13
MKE7:46 pmMilwaukee-Mitchell
28h 31m
1 stop
SAT12:17 amSan Antonio
$439

Delta flights from San Antonio to Milwaukee

Our best Delta deals on San Antonio to Milwaukee flight tickets
Delta
Apr 8
SAT5:10 amSan Antonio
7h 20m
1 stop
MKE12:30 pmMilwaukee-Mitchell
Apr 13
MKE5:05 pmMilwaukee-Mitchell
6h 03m
1 stop
SAT11:08 pmSan Antonio
$359
Delta
Apr 10
SAT5:10 amSan Antonio
7h 20m
1 stop
MKE12:30 pmMilwaukee-Mitchell
Apr 13
MKE7:20 amMilwaukee-Mitchell
9h 52m
1 stop
SAT5:12 pmSan Antonio
$383
Delta
Apr 10
SAT6:32 amSan Antonio
5h 04m
1 stop
MKE11:36 amMilwaukee-Mitchell
Apr 12
MKE6:46 pmMilwaukee-Mitchell
5h 52m
1 stop
SAT12:38 amSan Antonio
$407

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Mon 3/2

1:52 pm-3:44 pm

1 stop25h 52m

Milwaukee-Mitchell

Mon 3/9

12:36 pm-7:58 pm

1 stop7h 22m

$184

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Mon 3/2

1:52 pm-3:44 pm

1 stop25h 52m

Milwaukee-Mitchell

Mon 3/9

12:36 pm-9:30 am

2 stops44h 54m

$260

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Fri 2/27

5:04 pm-6:52 pm

2 stops25h 48m

Milwaukee-Mitchell

Mon 3/2

8:11 pm-11:59 pm

1 stop27h 48m

$294

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Fri 3/13

2:40 pm-8:06 pm

1 stop29h 26m

Milwaukee-Mitchell

Mon 3/16

7:15 pm-12:17 am

1 stop29h 02m

$299

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Sat 2/28

6:00 am-6:52 pm

1 stop12h 52m

Milwaukee-Mitchell

Sat 3/7

1:14 pm-11:59 pm

1 stop10h 45m

$325

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Fri 2/27

1:57 pm-6:52 pm

1 stop28h 55m

Milwaukee-Mitchell

Mon 3/2

8:11 pm-11:59 pm

1 stop27h 48m

$329

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Sat 2/21

4:47 pm-11:38 pm

1 stop6h 51m

Milwaukee-Mitchell

Tue 2/24

5:48 pm-11:55 pm

1 stop6h 07m

$336

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Wed 4/8

1:22 pm-6:17 pm

1 stop28h 55m

Milwaukee-Mitchell

Sun 4/12

7:02 pm-12:27 pm

1 stop17h 25m

$340

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Sat 2/21

3:08 pm-10:57 pm

2 stops7h 49m

Milwaukee-Mitchell

Tue 2/24

5:48 pm-11:55 pm

1 stop6h 07m

$341

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Wed 4/8

5:30 pm-11:58 pm

1 stop6h 28m

Milwaukee-Mitchell

Thu 4/9

6:46 pm-12:38 am

1 stop5h 52m

$359

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 Milwaukee from

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

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 Milwaukee?

The cheapest month to fly to Milwaukee from San Antonio is in October. Flight prices, which tend to average around $326, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Milwaukee, with average flight prices from San Antonio averaging around $351.

How far in advance should I book a flight to Milwaukee?

You are more likely to see cheaper flights to Milwaukee from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Milwaukee for around $392 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Milwaukee from San Antonio for as low as $236 on momondo.

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

As of February 2026, prices for San Antonio to Milwaukee flights are approximately 82% more expensive when compared to flights at the same time last year.

When to book flights from San Antonio to Milwaukee

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

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

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

Fastest flight time

5h 16m

Direct flights

None
The fastest flight from San Antonio to Milwaukee takes 5h 16m
There are no direct flights from San Antonio to Milwaukee. There are no popular flight routes from San Antonio to Milwaukee.
Search flight deals

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

    The distance between San Antonio and Milwaukee-Mitchell is about 1107.6 mi. By plane, this route typically takes 5h 16m.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Milwaukee-Mitchell Airport.

  • What documentation or ID do you need to fly to Milwaukee-Mitchell Airport?

    The travel and health documents you'll need for your trip to Milwaukee-Mitchell Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Milwaukee-Mitchell Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San Antonio to Milwaukee?

Best airlines flying from San Antonio to Milwaukee

Compare and see reviews for airlines that fly from San Antonio to Milwaukee with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $236Free CancellationRating
7.2
11,211 reviews
Search American Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,128 reviews
Search Delta flights
SouthwestPriceFrom $301Free CancellationRating
8.0
4,273 reviews
Search Southwest flights
United AirlinesPriceFrom $318Free CancellationRating
7.4
9,222 reviews
Search United Airlines flights

Traveling to a place near Milwaukee?

Book flights to Milwaukee if you plan to visit one of these locations
Sheboygan
Waukesha
Wauwatosa
Oak Creek
Mequon
Glendale
Pewaukee
Kohler
West Bend
Port Washington
New Berlin
Grafton

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Antonio to Milwaukee for you.

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

Yes. momondo enables you to select and highlight flights to Milwaukee from San Antonio with this policy.

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

momondo provides multiple filters to help you find the best flight to Milwaukee from San Antonio. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Milwaukee, momondo offers a useful price alert feature which will track prices for flights to Milwaukee from San Antonio and alert you when they change.

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