Allentown to San Antonio flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Allentown to San Antonio is €153 with Allegiant Air (checked on 5 Nov 2026).
Your next trip, last seen at €153
Allegiant Air · 2 stops · One wayWhen to fly
Explore datesMore dates worth a look
Last seen for 1 traveller on 6 Nov 2026. Check today's price.
Find the dates that work for you
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
- 7 Dec€186
- 10 Dec€219
- 11 Dec€203
- 14 Dec€153
- 17 Dec€196
- 18 Dec€216
- Lowest observed
- €153, departing 14 Dec 2026 (Last checked: 5 Nov 2026)One-way fare · Priced departure days checked in the last 14 days: 27Check live prices for this route
- Airlines seen
- Allegiant Air, American Airlines, Delta Air Lines, United Airlines
- Typical journey time
- 29h 17m
About this route
Explore the fares we observed from Allentown to San Antonio. Prices move often, so pick your dates to see the latest options.
- Route distance
- 2,426 km
- Typical journey time
- 29h 17m
- Airlines seen
- Allegiant Air, American Airlines, Delta Air Lines, United Airlines
- Seen on fares with a connection
- Allegiant Air
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
- Lehigh Valley International Airport (ABE) → Allentown, city gazetteer reference point (40.6023, -75.4714): ≈ 6 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
Cheapest departure day we saw in December 2026 from Allentown to San Antonio: 14 Dec 2026, €153 (checked 5 Nov 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| December 2026 | €153 | 6 |
| January 2027 | €159 | 13 |
| February 2027 | €160 | 7 |
Lowest fare by day of the week
Cheapest Monday departure we saw from Allentown to San Antonio: 14 Dec 2026, €153 (checked 5 Nov 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €153 | 8 |
| Thursday | €196 | 7 |
| Friday | €176 | 6 |
| Sunday | €159 | 5 |
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 Allentown to San Antonio by days until departure (31 to 60 days): €153 (checked 5 Nov 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 31 to 60 days | €153 | 5 |
| 61 days or more | €159 | 19 |
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.
Frequently asked
How much is a flight from Allentown to San Antonio?
The lowest fare Routavio has observed is €153, found on 5 Nov 2026.
Are there direct flights from Allentown to San Antonio?
Our data holds no non-stop flight from Allentown to San Antonio. The fares on this page include at least one stop.
Which airlines fly from Allentown to San Antonio?
Routavio has seen these carriers on the route: Allegiant Air, American Airlines, Delta Air Lines, United Airlines.
How long does the flight from Allentown to San Antonio take?
Across the 27 fares Routavio observed, the average journey time is 28h 35m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Allentown to San Antonio fares were non-stop?
None of the 28 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
When is the cheapest month to fly from Allentown to San Antonio?
Cheapest departure day we saw in December 2026 from Allentown to San Antonio: 14 Dec 2026, €153 (checked 5 Nov 2026).
Which day of the week is cheapest from Allentown to San Antonio?
Cheapest Monday departure we saw from Allentown to San Antonio: 14 Dec 2026, €153 (checked 5 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.