To save on the cost of your flight from Ohio to St Louis, book at least 31 days before your planned departure. Booking around this time can save you about 96% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $374 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $553.
August is one of the best times of the year to fly to St Louis from Ohio. Prices for August average $266 per person but you can even find prices for as low as $158. The most expensive prices can be found in the month of December. Opting for a August flight can save you 23% on your journey compared to booking in August
The chart below displays the airlines Cheapflights users traveling from Ohio to St Louis choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
||$93||$272||No cancel fee||N/A|
||$73||$306||No cancel fee||69%|
||$116||$318||No cancel fee||71%|
||$284||$446||No cancel fee||63%|