Cheap flights from Chicago (CHI) to St. Augustine (UST)

Jun 6 — Jun 131

How to find the cheapest flight from Chicago (CHI) to St. Augustine (UST)

All the information you need to plan the best CHI to UST flight in 2023: compare Chicago to St. Augustine flight prices with the expected peak season, weather and rainfall in St. Augustine.

Popular in


Cheapest in


Average price


Round-trip from

High demand for flights, 49% potential price rise
Best time to find cheap flights, 36% potential price drop
Average for round-trip flights in June 2023
From Chicago (CHI) to St. Augustine Northeast Florida Regional



$279 - $8,034



57.2 - 80.6 °F



2 - 6.7 inches

Related info for your journey

Useful info, stats and facts about Chicago to St. Augustine flights.

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