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St. Augustine

Cheap flights from Seattle to St. Augustine (SEA - UST)

SEA — UST
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Best time to book a flight from Seattle to St. Augustine

Have a flexible travel schedule? Discover the best time to fly to St. Augustine from Seattle 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 Seattle to St. Augustine

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

Find hourly flight availability from Seattle to St. Augustine. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to St. Augustine in the afternoon. If you’re flexible enough to do this you can expect to save up to 28% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Seattle to St. Augustine?

Use this chart to determine the cheapest time to fly round-trip from Seattle to St. Augustine. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Seattle to St. Augustine flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Seattle to St. Augustine. 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 Seattle to St. Augustine that include hotel bookings?

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

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

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

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

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

Traveling to a place near Seattle?

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Vilano Beach

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