Frontier AirlinesDepart11:10
Sat, Dec 12AUS → ORD
4h 39m · 1 stop
$80one way, per person
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- Cheapest fare
- $80
- Cheapest month
- December
- Direct flights
- Not recently
- Quickest trip
- 4h 39m
Frontier Airlines · Sat, Dec 12
from $80
Usually 1+ stop
1,580 km
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Cheapest month to fly from Austin to Chicago
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in December 2026
The lowest fares we've seen for each day, cheapest first.
Frontier AirlinesFrontier AirlinesDepart18:51
Thu, Dec 3AUS → ORD
4h 53m · 1 stop
$109one way, per person
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About flights from Austin to Chicago
Austin (AUS) and Chicago (CHI) are about 1,580 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 4h 39m. Over the next few months, one-way fares start from $80, and December 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 Austin to Chicago?
The cheapest one-way fare we've seen recently is $80 with Frontier Airlines, departing Saturday, December 12, 2026. Over the coming months, the lowest fare in each month ranges from $80 to $155.
What is the cheapest month to fly from Austin to Chicago?
December 2026 currently has the lowest fares, from $80 one way.
Are there direct flights from Austin to Chicago?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Austin to Chicago?
The quickest journey we've seen takes about 4h 39m. Austin and Chicago are around 1,580 km apart.
Which airlines fly from Austin to Chicago?
Recent fares on this route were with Frontier Airlines.
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