The best pricing can be found in the month of February. Prices to Eureka from St. Louis average $576. You can even find prices in February for less than $576, as users have found deals to Eureka from as low as $485. The month of April appears to be one of the more expensive times to travel to Eureka from St. Louis. Flying in the targeted month can save you up to 24%.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Eureka as you normally would.