United AirlinesDepart18:45
Fri, Nov 13SUX → ABE
6h 27m · 2 stops
$556one way, per person
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- Cheapest fare
- $556
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 6h 27m
United Airlines · Fri, Nov 13
from $556
Usually 1+ stop
1,750 km
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Cheapest month to fly from Sioux City to Allentown
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
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About flights from Sioux City to Allentown
Sioux City (SUX) and Allentown (ABE) are about 1,750 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 6h 27m. Over the next few months, one-way fares start from $556, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Sioux City to Allentown?
The cheapest one-way fare we've seen recently is $556 with United Airlines, departing Friday, November 13, 2026.
What is the cheapest month to fly from Sioux City to Allentown?
November 2026 currently has the lowest fares, from $556 one way.
Are there direct flights from Sioux City to Allentown?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Sioux City to Allentown?
The quickest journey we've seen takes about 6h 27m. Sioux City and Allentown are around 1,750 km apart.
Which airlines fly from Sioux City to Allentown?
Recent fares on this route were with United Airlines.
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