Your next trip, last seen at €129
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €129, departing 24 Nov 2026 (Last checked: 24 Oct 2026)One-way fareCheck live prices for this route
- Airlines seen
- Alaska Airlines, Breeze Airways, Frontier Airlines, Porter Airlines Canada, Sun Country Airlines, United Airlines, Viva Aerobus, Volaris, WestJet (9)
- Typical journey time
- 26h 54m
About this route
Explore the fares we observed from San Antonio to Milwaukee. Prices move often, so pick your dates to see the latest options.
- Route distance
- 1,784 km
- Typical journey time
- 26h 54m
- Seen on fares with a connection
- Frontier Airlines, United Airlines, Alaska Airlines, Viva Aerobus, WestJet, Breeze Airways, Volaris, Sun Country Airlines (8)
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- San Antonio International Airport (SAT) → San Antonio, city gazetteer reference point (29.4241, -98.4936): ≈ 12 km.
- General Mitchell International Airport (MKE) → Milwaukee, city gazetteer reference point (43.0389, -87.9065): ≈ 10 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest one-way fare we saw per airline
Cheapest airline from San Antonio to Milwaukee: Frontier Airlines, from €167 (checked 24 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Frontier Airlines | €167Nov 17, 2026 | 42 |
| Sun Country Airlines | €188Dec 16, 2026 | 4 |
| Breeze Airways | €248Nov 19, 2026 | 3 |
| Alaska Airlines | €351Dec 25, 2026 | 14 |
| Viva Aerobus | €434Jan 11, 2027 | 8 |
| WestJet | €519Dec 11, 2026 | 9 |
| Volaris | €523Nov 26, 2026 | 4 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from San Antonio to Milwaukee?
The lowest fare Routavio has observed is €129, found on 24 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from San Antonio to Milwaukee?
In our observations November 2026 is the cheapest month so far, at €129.
Are there direct flights from San Antonio to Milwaukee?
Our data holds no non-stop flight from San Antonio to Milwaukee. The fares on this page include at least one stop.
Which airlines fly from San Antonio to Milwaukee?
Routavio has seen these carriers on the route: Alaska Airlines, Breeze Airways, Frontier Airlines, Porter Airlines Canada, Sun Country Airlines, United Airlines, Viva Aerobus, Volaris, WestJet (9).
How many of the observed San Antonio to Milwaukee fares were non-stop?
None of the 3 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
Which airline has the lowest fare from San Antonio to Milwaukee?
Cheapest airline from San Antonio to Milwaukee: Frontier Airlines, from €167 (checked 24 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.