United Airlines flights from Singapore to St. Louis (SIN - STL)
SIN — STL
13 May — 20 May1
Return
1 adult
Economy
Cheapflights users flying from Singapore to St. Louis on United Airlines typically fly into Lambert-St Louis and depart from Singapore Changi. Select your dates above for pricing.
United Airlines flights from Singapore to St. Louis in 2025
Find detailed information about United Airlines flights from Singapore to St. Louis. Explore the options provided by United Airlines to plan your journey from Singapore to St. Louis. Data last updated 8 May 2025.
Travel insights for United Airlines flights from Singapore to St. Louis
Get recent, data-driven insights about United Airlines flights from Singapore to St. Louis including ideal travel times, pricing trends, and more.
Rainfall in St. Louis by month
Plan your trip to St. Louis by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 inches per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.
Temperature in St. Louis by month
Plan your trip to St. Louis by taking into account the average temperature totals by month.
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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).
Best time to book a flight from Singapore to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Singapore with our price prediction graph.
Estimated return 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.
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Other United Airlines flights from Singapore
Browse through other United Airlines flights departing from Singapore. Flight routes are based on user searches made on Cheapflights and were last updated on 8 May 2025.
See what others are saying about United Airlines
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United Airlines
8,719 reviews
Overview
Boarding
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Entertainment
7.1
Food
6.6
Comfort
7.3
Crew
8.1