$142+ Cheap flights from Milwaukee to San Antonio (MKE - SAT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SAT
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Milwaukee to San Antonio
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Cheapest flights from Milwaukee to San AntonioExplore the most affordable flight options available from Milwaukee to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Milwaukee to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Tue 11/102:35 pm -
1 stop6h 18m
Sat 11/141:15 pm -
1 stop5h 43m
Deal found 10/20![United Airlines logo]()
$288
This Delta deal was found by Cheapflights users on 10/22. 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.
Thu 12/312:53 pm -
1 stop7h 06m
Tue 12/86:16 am -
1 stop5h 32m
Deal found 10/22![Delta logo]()
$293
This Southwest deal was found by Cheapflights users on 10/22. 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.
Thu 12/35:45 am -
2 stops7h 30m
Sat 12/55:40 am -
1 stop7h 20m
Deal found 10/22![Southwest logo]()
$298
This Southwest deal was found by Cheapflights users on 10/20. 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.
Mon 12/148:10 am -
2 stops7h 45m
Wed 12/169:50 am -
2 stops6h 10m
Deal found 10/20![Southwest logo]()
$304
This Southwest deal was found by Cheapflights users on 10/22. 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.
Sun 12/62:35 pm -
1 stop9h 30m
Sat 12/122:20 pm -
1 stop7h 15m
Deal found 10/22![Southwest logo]()
$307
This Southwest deal was found by Cheapflights users on 10/20. 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.
Tue 11/102:15 pm -
2 stops7h 30m
Sat 11/146:05 am -
2 stops5h 45m
Deal found 10/20![Southwest logo]()
$310
This Southwest deal was found by Cheapflights users on 10/20. 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.
Fri 12/1112:35 pm -
2 stops9h 45m
Mon 12/142:40 pm -
1 stop7h 35m
Deal found 10/20![Southwest logo]()
$312
This Southwest deal was found by Cheapflights users on 10/20. 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.
Fri 11/135:50 pm -
1 stop6h 20m
Mon 11/162:35 pm -
1 stop7h 40m
Deal found 10/20![Southwest logo]()
$314
This Southwest deal was found by Cheapflights users on 10/20. 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.
Tue 11/243:40 pm -
1 stop9h 00m
Mon 11/306:20 pm -
1 stop7h 05m
Deal found 10/20![Southwest logo]()
$317
This Southwest deal was found by Cheapflights users on 10/23. 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.
Fri 12/44:20 pm -
1 stop7h 25m
Fri 12/116:05 pm -
1 stop6h 40m
Deal found 10/23![Southwest logo]()
$321
Best flights from Milwaukee to San AntonioDiscover carefully curated flight deals from Milwaukee to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Milwaukee to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This Southwest deal was found by Cheapflights users on 10/23. 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.
Mon 12/74:05 pm -
1 stop6h 40m
Sat 12/122:20 pm -
1 stop7h 15m
Deal found 10/23![Southwest logo]()
$293
This Delta deal was found by Cheapflights users on 10/20. 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.
Tue 12/83:50 pm -
1 stop5h 41m
Tue 1/56:30 am -
1 stop7h 43m
Deal found 10/20![Delta logo]()
$293
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Tue 12/158:00 am -
1 stop5h 06m
Tue 1/55:15 am -
2 stops8h 45m
Deal found 10/20![United Airlines logo]()
$298
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Tue 1/125:00 am -
2 stops8h 13m
Mon 1/186:38 am -
1 stop5h 27m
Deal found 10/21![United Airlines logo]()
$298
This Southwest deal was found by Cheapflights users on 10/23. 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.
Sun 12/65:50 am -
1 stop5h 55m
Wed 12/92:45 pm -
1 stop6h 40m
Deal found 10/23![Southwest logo]()
$307
This Southwest deal was found by Cheapflights users on 10/20. 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.
Fri 2/55:50 am -
1 stop7h 50m
Mon 2/87:15 am -
2 stops11h 05m
Deal found 10/20![Southwest logo]()
$312
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Fri 11/133:33 pm -
2 stops7h 18m
Mon 11/161:15 pm -
1 stop5h 43m
Deal found 10/21![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 10/21. 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.
Fri 12/1112:35 pm -
2 stops9h 45m
Mon 12/142:40 pm -
1 stop7h 35m
Deal found 10/21![Southwest logo]()
$312
This Southwest deal was found by Cheapflights users on 10/22. 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.
Fri 11/135:20 am -
1 stop9h 35m
Mon 11/163:30 pm -
1 stop6h 50m
Deal found 10/22![Southwest logo]()
$325
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Fri 1/227:39 am -
2 stops7h 51m
Fri 1/296:38 am -
1 stop5h 27m
Deal found 10/23![United Airlines logo]()
$360
This Southwest deal was found by Cheapflights users on 10/22. 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.
Fri 2/56:05 am -
1 stop7h 35m
Fri 2/129:45 am -
1 stop7h 45m
Deal found 10/22![Southwest logo]()
$372
Last-minute flights from Milwaukee to San AntonioDiscover last-minute flight deals from Milwaukee to San Antonio. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Milwaukee to San Antonio. Data last updated October 25, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Tue 11/102:35 pm -
1 stop6h 18m
Sat 11/141:15 pm -
1 stop5h 43m
Deal found 10/20![United Airlines logo]()
$288
This Southwest deal was found by Cheapflights users on 10/20. 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.
Tue 11/102:15 pm -
2 stops7h 30m
Sat 11/146:05 am -
2 stops5h 45m
Deal found 10/20![Southwest logo]()
$310
This Southwest deal was found by Cheapflights users on 10/20. 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.
Fri 11/135:50 pm -
1 stop6h 20m
Mon 11/162:35 pm -
1 stop7h 40m
Deal found 10/20![Southwest logo]()
$314
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Fri 11/133:33 pm -
2 stops7h 18m
Mon 11/161:15 pm -
1 stop5h 43m
Deal found 10/21![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 10/20. 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.
Tue 11/175:45 am -
1 stop8h 20m
Tue 11/245:10 pm -
1 stop7h 10m
Deal found 10/20![Southwest logo]()
$293
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Fri 11/202:35 pm -
1 stop6h 18m
Thu 11/266:34 am -
1 stop4h 54m
Deal found 10/20![United Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 10/21. 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.
Fri 11/206:41 pm -
1 stop5h 52m
Thu 11/265:30 am -
1 stop7h 06m
Deal found 10/21![Delta logo]()
$334
This Southwest deal was found by Cheapflights users on 10/20. 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.
Tue 11/243:40 pm -
1 stop9h 00m
Mon 11/306:20 pm -
1 stop7h 05m
Deal found 10/20![Southwest logo]()
$317
One-way flights from Milwaukee to San AntonioSearch for one-way flight options from Milwaukee to San Antonio. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Milwaukee to San Antonio. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Tue 11/172:35 pm -
1 stop6h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![United Airlines logo]()
$142
This American Airlines deal was found by Cheapflights users on 10/20. 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.
Thu 12/311:47 am -
1 stop6h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![American Airlines logo]()
$147
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Thu 12/35:00 am -
2 stops8h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![United Airlines logo]()
$152
This Delta deal was found by Cheapflights users on 10/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:41 pm -
1 stop5h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Delta logo]()
$178
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Mon 11/233:33 pm -
2 stops7h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![United Airlines logo]()
$182
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Tue 4/611:55 am -
1 stop5h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$229
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Tue 4/63:33 pm -
2 stops7h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 10/24. 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.
Wed 11/256:11 pm -
2 stops21h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 10/24. 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.
Wed 11/256:11 pm -
3 stops41h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 10/23. 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.
Sun 11/16:25 pm -
3 stops49h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$413
Find flight deals from Milwaukee to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Milwaukee (MKE) to San Antonio (SAT). 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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $288 (United Airlines) |
One-way from | $142 (United Airlines) |
Popular in | April |
Cheapest in | January |
Average price | $448 |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated October 25, 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
Cheapest round-trip
MilwaukeeSan Antonio
MKE Milwaukee-Mitchell - SAT San Antonio
MKESAT
Milwaukee-Mitchell
Tue 11/17
2:35 pm-8:53 pm
1 stop6h 18m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$142
MilwaukeeSan Antonio
MKE Milwaukee-Mitchell - SAT San Antonio
MKESAT
Milwaukee-Mitchell
Mon 11/23
3:19 pm-10:06 pm
1 stop6h 47m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$147
MilwaukeeSan Antonio
MKE Milwaukee-Mitchell - SAT San Antonio
MKESAT
Milwaukee-Mitchell
Tue 11/17
2:15 pm-9:45 pm
2 stops7h 30m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$152
MilwaukeeSan Antonio
MKE Milwaukee-Mitchell - SAT San Antonio
MKESAT
Milwaukee-Mitchell
Thu 12/3
5:00 am-1:06 pm
2 stops8h 06m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$152
Quickest round-trip
MilwaukeeSan Antonio
MKE Milwaukee-Mitchell - SAT San Antonio
MKESAT
Milwaukee-Mitchell
Wed 11/25
6:41 pm-12:33 am
1 stop5h 52m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$178
MilwaukeeSan Antonio
MKE Milwaukee-Mitchell - SAT San Antonio
MKESAT
Milwaukee-Mitchell
Mon 11/23
3:33 pm-10:51 pm
2 stops7h 18m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$182
MilwaukeeSan Antonio
MKE Milwaukee-Mitchell - SAT San Antonio
MKESAT
Milwaukee-Mitchell
Tue 4/6
3:33 pm-10:48 pm
2 stops7h 15m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$234
MilwaukeeSan Antonio
MKE Milwaukee-Mitchell - SAT San Antonio
MKESAT
Milwaukee-Mitchell
Wed 11/25
6:11 pm-3:18 pm
2 stops21h 07m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$238
MilwaukeeSan Antonio
MKE Milwaukee-Mitchell - SAT San Antonio
MKESAT
Milwaukee-Mitchell
Mon 12/7
4:05 pm-10:45 pm
1 stop6h 40m
San Antonio
Sat 12/12
2:20 pm-9:35 pm
1 stop7h 15m
$293
MilwaukeeSan Antonio
MKE Milwaukee-Mitchell - SAT San Antonio
MKESAT
Milwaukee-Mitchell
Tue 12/8
3:50 pm-9:31 pm
1 stop5h 41m
San Antonio
Tue 1/5
6:30 am-2:13 pm
1 stop7h 43m
$293
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Milwaukee to San Antonio
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 Milwaukee to San Antonio in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Milwaukee-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Milwaukee-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Milwaukee-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Milwaukee-San Antonio 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 Milwaukee-San Antonio 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 Milwaukee to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Milwaukee with our price prediction graph.
MKE-SAT
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 Milwaukee to San Antonio
How far ahead should I book a flight from Milwaukee to San Antonio?
The price you pay for your flight from Milwaukee to San Antonio may vary depending on when you book. For the best chance of a lower fare, look to book 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Milwaukee to San Antonio?
Currently, January is the cheapest month in which you can book a flight from Milwaukee to San Antonio (average of $370). Flying from Milwaukee to San Antonio in April is currently the most expensive (average of $505). 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.
How much does it cost to fly round-trip from Milwaukee to San Antonio?
Airfare is below average for this route at the moment.
Milwaukee to San Antonio flights typically cost between $362 and $477 in November.The cheapest round-trip price found within the last 5 days was $288 on United Airlines (Nov 10-Nov 14).
Reviews of airlines servicing San Antonio
Get insights into the airlines that provide service to San Antonio. 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 San Antonio. Reviews last updated October 25, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Milwaukee to San Antonio. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Comfort
8.0
Overall
7.9
Food
7.0
Entertainment
7.4
Boarding
8.1
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Comfort
8.0
Overall
7.9
Food
7.0
Entertainment
7.4
Boarding
8.1
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Comfort
8.0
Overall
7.9
Food
7.0
Entertainment
7.4
Boarding
8.1
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Comfort
8.0
Overall
7.9
Food
7.0
Entertainment
7.4
Boarding
8.1
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Comfort
8.0
Overall
7.9
Food
7.0
Entertainment
7.4
Boarding
8.1
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from Milwaukee to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Alternative routes for Milwaukee to San Antonio
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Milwaukee and San Antonio flights
Browse other Milwaukee and San Antonio flight options. Last updated on October 25, 2026.
Other flights from Milwaukee
Browse through other flights departing from Milwaukee. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Top 4 airlines flying from Milwaukee to San Antonio
Discover the top 4 airlines that operate flights from Milwaukee to San Antonio. 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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$303 | Average$407 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$314 | Average$426 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$332 | Average$406 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$344 | Average$455 | FlexibilityNo cancel fee | On-time63% |