Find cheap flights to St. Louis from CA$234
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Weather in St. Louis
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | 3°C | -3°C |
| February | 6°C | -2°C |
| March | 13°C | 3°C |
| April | 18°C | 8°C |
| May | 24°C | 14°C |
| June | 29°C | 19°C |
| July | 31°C | 21°C |
| August | 30°C | 20°C |
| September | 27°C | 16°C |
| October | 20°C | 10°C |
| November | 12°C | 3°C |
| December | 7°C | 0°C |
14 day forecast
Cheapest month to fly to St. Louis
Explore price trends for trips to St. Louis
Showing prices in CAD
| Annual Avg. Price | 307 CAD |
| November 2025 | 196 CAD |
| December 2025 | 422 CAD |
| January 2026 | 250 CAD |
| February 2026 | 250 CAD |
| March 2026 | 347 CAD |
| April 2026 | 261 CAD |
| May 2026 | 250 CAD |
| June 2026 | 299 CAD |
| July 2026 | 291 CAD |
| August 2026 | 356 CAD |
| September 2026 | 352 CAD |
| October 2026 | 411 CAD |
Airlines flying to St. Louis
Best airlines flying to St. Louis
- Ethiopian Airlines
- Ryanair
- ASKY Airlines
- Air Algerie
- Copa Airlines
- Turkish Airlines
- Air Transat
- Cathay Pacific
- American Airlines
- Transavia
- Royal Jordanian
- Swiss International Air Lines
- Neos Air
- Egyptair
- Alaska Airlines
- Hong Kong Airlines
- Singapore Airlines
- China Airlines
- Asiana Airlines
- Tunisair
