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Cheapest cached fares Phoenix → St Louis; typically 1 stop (e.g. F9). · Based on 3 fares found by travellers in the last 48h
Cheapest days highlighted · darker = pricier · past days greyed out · cached one-way fares.
Best value: Sep — fares from €180 and ~28°C daytime.
Flights from Phoenix to St Louis start around €180 (typically 1 stop). Range seen recently: €180–209, based on 3 fares found by travellers.
Fares found by travellers in the last 48 hours — refreshed daily.
In Sep, St Louis typically sees ~28°C daytime highs and 8 rainy days.
Top-rated tours and tickets from €22 — book ahead for the popular ones.
Tours and tickets provided by Viator (a Tripadvisor company). Some links earn Stayonomy a commission.
The Gateway City of St. Louis is the epitome of the modern Midwestern metropolis. Missouri's second-largest city is vibrant but laid-back, populous but navigable, historic but still relevant. The city's planners have created an aesthetically beautiful city, with plenty of green space amidst buildings both old and new, framed by the majestic Mississippi and Missouri rivers. And capping it all is the world's tallest man-made monument, the beautiful and iconic Gateway Arch. St. Louis is a city of culture and surprisingly inexpensive.
Guide content from Wikivoyage contributors (CC BY-SA).
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Flight prices are real fares travellers found in the last 48 hours, refreshed daily — the booking site confirms the final price. Train, bus and ferry fares are shown on the operators' booking sites. Weather data by Open-Meteo; exchange rates: ECB reference. Data updated 2026-09-27. Some links earn Stayonomy a commission at no cost to you.