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$131+ Cheap flights from San Antonio to Milwaukee (SAT - MKE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — MKE
feb. 25 — mar. 41
mié. 2/25
mié. 3/4
1 adult, Economy
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Cheap flight deals from San Antonio to Milwaukee

Cheapest flights from San Antonio to Milwaukee
Explore the most affordable flight options available from San Antonio to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 26, 2026.

This Southwest deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/285:30 am
SAT
-
MKE
1 stop8h 20m
Southwest
mié. 3/45:00 am
MKE
-
SAT
1 stop6h 55m
Southwest
Deal found 1/26$337
This Kiwi.com deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/278:22 pm
SAT
-
MKE
2 stops22h 30m
Multiple Airlines
lun. 3/28:11 pm
MKE
-
SAT
1 stop27h 48m
Multiple Airlines
Deal found 1/24$348
This Kiwi.com deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/131:57 pm
SAT
-
MKE
1 stop28h 55m
Frontier
mié. 2/184:39 pm
MKE
-
SAT
1 stop20h 33m
Frontier
Deal found 1/24$354
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/2112:26 pm
SAT
-
MKE
1 stop8h 09m
Delta
jue. 4/2310:53 am
MKE
-
SAT
1 stop6h 24m
Delta
Deal found 1/26$359
This Kiwi.com deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/131:57 pm
SAT
-
MKE
1 stop28h 55m
Multiple Airlines
mié. 2/184:39 pm
MKE
-
SAT
2 stops40h 51m
Multiple Airlines
Deal found 1/24$393
This United Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/95:00 pm
SAT
-
MKE
1 stop5h 09m
United Airlines
sáb. 7/115:40 pm
MKE
-
SAT
1 stop4h 53m
United Airlines
Deal found 1/25$407
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/285:20 am
SAT
-
MKE
2 stops7h 15m
United Airlines
mié. 3/411:30 am
MKE
-
SAT
2 stops8h 23m
United Airlines
Deal found 1/26$409
This American Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/213:11 pm
SAT
-
MKE
2 stops6h 48m
American Airlines
jue. 4/233:06 pm
MKE
-
SAT
1 stop7h 46m
American Airlines
Deal found 1/24$412
This Southwest deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/279:35 am
SAT
-
MKE
2 stops8h 15m
Southwest
lun. 3/23:10 pm
MKE
-
SAT
2 stops6h 45m
Southwest
Deal found 1/24$413
This United Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/142:10 pm
SAT
-
MKE
1 stop4h 33m
United Airlines
mié. 2/184:00 pm
MKE
-
SAT
1 stop7h 12m
United Airlines
Deal found 1/24$417

Find flight deals from San Antonio to Milwaukee

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Milwaukee (MKE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$337
(Southwest)

One-way from

$131
(Trip.com)

Popular in

November

Cheapest in

October

Average price

$366
Provider with most accurate pricing for San Antonio-Milwaukee-Mitchell flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Milwaukee-Mitchell flights.
Search Deals
From San Antonio to Milwaukee-Mitchell
Search Deals
One-way flight from San Antonio to Milwaukee-Mitchell
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated enero 26, 2026.
Use the filters below to find and compare flights from San Antonio to Milwaukee that are best for you.

Fly from

San Antonio

Fly to

Milwaukee

Route

Depart

Return

Price

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

sáb. 2/28

5:30 am-1:50 pm

1 stop8h 20m

Milwaukee-Mitchell

mié. 3/4

5:00 am-11:55 am

1 stop6h 55m

$337

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

vie. 2/13

1:57 pm-6:52 pm

1 stop28h 55m

Milwaukee-Mitchell

mié. 2/18

4:39 pm-1:12 pm

1 stop20h 33m

$354

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

mar. 4/21

3:11 pm-10:23 pm

1 stop7h 12m

Milwaukee-Mitchell

jue. 4/23

3:06 pm-10:52 pm

1 stop7h 46m

$359

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

mar. 4/21

12:26 pm-8:35 pm

1 stop8h 09m

Milwaukee-Mitchell

jue. 4/23

10:53 am-5:17 pm

1 stop6h 24m

$359

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

vie. 2/27

1:57 pm-6:52 pm

1 stop28h 55m

Milwaukee-Mitchell

lun. 3/2

8:11 pm-11:59 pm

1 stop27h 48m

$362

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

vie. 2/13

1:57 pm-6:52 pm

1 stop28h 55m

Milwaukee-Mitchell

mié. 2/18

4:39 pm-9:30 am

2 stops40h 51m

$393

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

jue. 7/9

5:00 pm-10:09 pm

1 stop5h 09m

Milwaukee-Mitchell

sáb. 7/11

5:40 pm-10:33 pm

1 stop4h 53m

$407

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

vie. 7/10

4:00 pm-9:05 pm

1 stop5h 05m

Milwaukee-Mitchell

dom. 7/12

5:55 am-11:10 am

1 stop5h 15m

$407

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

dom. 6/21

6:00 am-12:44 pm

1 stop6h 44m

Milwaukee-Mitchell

mar. 7/7

6:15 am-12:45 pm

1 stop6h 30m

$407

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

mar. 2/24

5:25 am-12:34 pm

1 stop7h 09m

$169

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 21 results
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Compare providers for flights from San Antonio to Milwaukee

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Milwaukee in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Antonio-Milwaukee flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Milwaukee flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Milwaukee flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-Milwaukee flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Milwaukee flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Antonio to Milwaukee

Have a flexible travel schedule? Discover the best time to fly to Milwaukee from San Antonio with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Antonio to Milwaukee

How far ahead should I book a flight from San Antonio to Milwaukee?

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Milwaukee. Price data was last updated on January 23, 2026.

Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Antonio to Milwaukee. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Antonio to Milwaukee?

Currently, January is the cheapest month in which you can book a flight from San Antonio to Milwaukee (average of $56). Flying from San Antonio to Milwaukee in July is currently the most expensive (average of $140). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Milwaukee

Get insights into the airlines that provide service to Milwaukee. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Milwaukee. Reviews last updated enero 26, 2026.
Read through reviews of airlines operating flights from San Antonio to Milwaukee, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,268 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,111 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,199 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,189 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Milwaukee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Antonio to Milwaukee?

    Departing from San Antonio to Milwaukee will take you 7h 12m. San Antonio and Milwaukee are separated by a distance of 1095 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from San Antonio to Milwaukee round-trip?

    Currently priced at $236, American Airlines will fly you from San Antonio to Milwaukee and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Southwest - these airlines can fly you to your destination from $236 and $301, respectively. American Airlines is currently priced 39% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from San Antonio to Milwaukee one-way?

    One-way options have recently been found by users for as low as $91 on American Airlines. Other airlines that offer cheap prices include Frontier from $118 and Delta from $125 one-way.

  • Can I find deals for flights from San Antonio to Milwaukee that include hotel bookings?

    Yes. In addition to deals on San Antonio to Milwaukee flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to Milwaukee?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Milwaukee.

  • Can I find deals for business class flights from San Antonio to Milwaukee?

    Yes. Cheapflights offers flight deals from San Antonio to Milwaukee by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Antonio to Milwaukee?

    Currently, January is the cheapest month in which you can book a flight from San Antonio to Milwaukee (average of $56). Flying from San Antonio to Milwaukee in July is currently the most expensive (average of $140). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Milwaukee?

Book flights to Milwaukee if you plan to visit one of these locations
Sheboygan
New Berlin
Oak Creek
Wauwatosa

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Alternative routes for San Antonio to Milwaukee

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Top 4 airlines flying from San Antonio to Milwaukee

Discover the top 4 airlines that operate flights from San Antonio to Milwaukee. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$236Average$386FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$381FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$301Average$397FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$318Average$407FlexibilityNo cancel feeOn-time69%

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