Your next trip, last seen at €116
Lowest observedAllegiant Air · 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
- Airlines seen
- Allegiant Air, American Airlines, United Airlines
- Typical journey time
- 24h 41m
About this route
Explore the fares we observed from Allentown to Sioux Falls. Prices move often, so pick your dates to see the latest options.
- Route distance
- 1,780 km
- Typical journey time
- 24h 41m
- Seen on fares with a connection
- Allegiant Air, United Airlines
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.
- Sioux Falls Regional Airport (FSD) → Sioux Falls, city gazetteer reference point (43.5473, -96.7283): ≈ 4 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.
Frequently asked
How much was a flight from Allentown to Sioux Falls?
A fare of €116 was seen on 12 Oct 2026. Fares change, so search your dates for the current price.
Are there direct flights from Allentown to Sioux Falls?
Our data holds no non-stop flight from Allentown to Sioux Falls. The fares on this page include at least one stop.
Which airlines fly from Allentown to Sioux Falls?
Routavio has seen these carriers on the route: Allegiant Air, American Airlines, United Airlines.
How long does the flight from Allentown to Sioux Falls take?
Across the 83 fares Routavio observed, the average journey time is 22h 59m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Allentown to Sioux Falls fares were non-stop?
None of the 83 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
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.