United AirlinesDepart06:00
Sat, Nov 7SUX → ORD
1h 59m · Direct
$148one way, per person
View deal
- Cheapest fare
- $148
- Cheapest month
- November
- Direct flights
- Yes
- Flight time
- 1h 59m
United Airlines · Sat, Nov 7
from $148
United Airlines
730 km
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Cheapest month to fly from Sioux City to Chicago
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.
United AirlinesUnited AirlinesDepart18:45
Thu, Nov 12SUX → ORD
7h 33m · 2 stops
$418one way, per person
View deal
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About flights from Sioux City to Chicago
Sioux City (SUX) and Chicago (CHI) are about 730 km apart. Direct flights take around 1h 59m, and recent direct fares were with United Airlines. Over the next few months, one-way fares start from $148, 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 Chicago?
The cheapest one-way fare we've seen recently is $148 with United Airlines, departing Saturday, November 7, 2026.
What is the cheapest month to fly from Sioux City to Chicago?
November 2026 currently has the lowest fares, from $148 one way.
Are there direct flights from Sioux City to Chicago?
Yes. Recent direct fares were with United Airlines.
How long is the flight from Sioux City to Chicago?
A direct flight takes about 1h 59m. Sioux City and Chicago are around 730 km apart.
Which airlines fly from Sioux City to Chicago?
Recent fares on this route were with United Airlines.
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