Cheap flights from St. Augustine to Portland (UST - PDX)
Find cheap flights from St. Augustine to Portland with Cheapflights
1. Tell us where you want to go
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Best time to book a flight from St. Augustine to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from St. Augustine with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from St. Augustine to Portland
What is the cheapest month to book a flight from St. Augustine to Portland?
Currently, November is the cheapest month in which you can book a flight from St. Augustine to Portland (average of $277). Flying from St. Augustine to Portland in March is currently the most expensive (average of $368). 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 PDX?
Find hourly flight availability from St. Augustine to Portland. 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.
It’s optimal to fly from St. Augustine to Portland in the afternoon. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight at noon.
What is the cheapest day to fly from St. Augustine to Portland?
Use this chart to determine the cheapest time to fly round-trip from St. Augustine to Portland. Price data was last updated on March 30, 2025.
Travelers seeking maximum savings on their St. Augustine to Portland flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.