Round-trip from | $318 |
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When flying from Hayden, Colorado to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 11% versus a flight at noon.
STL Temperature | 32 - 80.6 °F |
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If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).
Airline | Cheapest | Average | Flexibility | On-time |
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United Airlines | Cheapest$400 | Average$554 | FlexibilityNo cancel fee | On-time69% |