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Cheap flights from St. Augustine to Charleston (UST - CHS)

UST — CHS
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
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Best time to book a flight from St. Augustine to Charleston

Have a flexible travel schedule? Discover the best time to fly to Charleston from St. Augustine with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Augustine to Charleston

What is the cheapest month to book a flight from St. Augustine to Charleston?

Currently, August is the cheapest month in which you can book a flight from St. Augustine to Charleston (average of $217). Flying from St. Augustine to Charleston in March is currently the most expensive (average of $335). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from UST to CHS?

Find hourly flight availability from St. Augustine to Charleston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 2, 2025.

It’s optimal to fly from St. Augustine to Charleston in the evening. By choosing this option you can save up to 32% on the cost of your flight, compared to a flight at noon.

Related info for your journey

Find useful and relevant information for your journey from St. Augustine to Charleston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from St. Augustine to Charleston that include hotel bookings?

    Yes. In addition to deals on St. Augustine to Charleston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Augustine to Charleston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Augustine to Charleston.

  • Can I find deals for business class flights from St. Augustine to Charleston?

    Yes. Cheapflights offers flight deals from St. Augustine to Charleston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Augustine to Charleston?

    Currently, August is the cheapest month in which you can book a flight from St. Augustine to Charleston (average of $217). Flying from St. Augustine to Charleston in March is currently the most expensive (average of $335). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Augustine?

Book flights to St. Augustine if you plan to visit one of these locations
North Charleston
Summerville
Walterboro
Mount Pleasant
Isle of Palms
Folly Beach
Santee
Edisto Beach

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