Indianapolis to San Antonio flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Indianapolis to San Antonio is €104 with Frontier Airlines (checked on 27 Oct 2026).
Your next trip, last seen at €104
Lowest observedFrontier Airlines · 1 stop · One wayWhen to fly
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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
- €104, departing 17 Nov 2026 (Last checked: 27 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 21Check live prices for this route
- Round trip
- €122, departing 24 Nov 2026, back 26 Nov 2026 (Last checked: 3 Nov 2026)
- Airlines seen
- Allegiant Air, Frontier Airlines, JetBlue, Southwest Airlines
- Typical journey time
- 25h 03m
About this route
Explore the fares we observed from Indianapolis to San Antonio. Prices move often, so pick your dates to see the latest options.
- Route distance
- 1,609 km
- Typical journey time
- 25h 03m
- Airlines seen
- Allegiant Air, Frontier Airlines, JetBlue, Southwest Airlines
- Seen on fares with a connection
- Frontier Airlines, Allegiant Air, Southwest Airlines, JetBlue
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
- Indianapolis International Airport (IND) → Indianapolis, city gazetteer reference point (39.7684, -86.1581): ≈ 13 km.
- San Antonio International Airport (SAT) → San Antonio, city gazetteer reference point (29.4241, -98.4936): ≈ 12 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 fare by departure month
| Month | Lowest fare | Priced days |
|---|---|---|
| December 2026 | €115 | 12 |
| January 2027 | €104 | 9 |
Lowest fare by day of the week
Cheapest day of the week from Indianapolis to San Antonio: Wednesday, from €104 (checked 6 Nov 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €147 | 3 |
| Tuesday | €115 | 3 |
| Wednesday | €104 | 3 |
| Thursday | €141 | 6 |
| Friday | €147 | 4 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Indianapolis to San Antonio by days until departure (31 to 60 days): €104 (checked 6 Nov 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 8 to 30 days | €115 | 5 |
| 31 to 60 days | €104 | 9 |
| 61 days or more | €141 | 7 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from Indianapolis to San Antonio: Allegiant Air, from €153 (checked 6 Nov 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Allegiant Air | €153Jan 10, 2027 | 5 |
| JetBlue | €174Jan 24, 2027 | 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 Indianapolis to San Antonio?
The lowest fare Routavio has observed is €104, found on 27 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Indianapolis to San Antonio?
In our observations November 2026 is the cheapest month so far, at €104.
Are there direct flights from Indianapolis to San Antonio?
Our data holds no non-stop flight from Indianapolis to San Antonio. The fares on this page include at least one stop.
Which airlines fly from Indianapolis to San Antonio?
Routavio has seen these carriers on the route: Allegiant Air, Frontier Airlines, JetBlue, Southwest Airlines.
How long does the flight from Indianapolis to San Antonio take?
Across the 74 fares Routavio observed, the average journey time is 27h 42m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Indianapolis to San Antonio fares were non-stop?
None of the 74 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
How much is a round trip from Indianapolis to San Antonio?
Cheapest round trip: €122, departing 24 Nov 2026, back 26 Nov 2026 (checked 3 Nov 2026).
Which day of the week is cheapest from Indianapolis to San Antonio?
Cheapest day of the week from Indianapolis to San Antonio: Wednesday, from €104 (checked 6 Nov 2026).
Which airline has the lowest fare from Indianapolis to San Antonio?
Cheapest airline from Indianapolis to San Antonio: Allegiant Air, from €153 (checked 6 Nov 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.