Cahokia/St Louis to Phoenix (CPS–PHX) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Last scheduled nonstop: May 2026.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
On-Time Performance
Other ways to reach Phoenix from Cahokia/St Louis
| Metric | CPS→PHX | STL→PHX | MWA→PHX |
|---|---|---|---|
| Distance from CPS | – | 17 mi | 84 mi |
| Nonstop airlines | – | 9 | 1 |
| Weekly flights | – | 77 | – |
| Flight time | 2h 56m | 3h 10m | 4h 10m |
Travel Essentials
CPS: CDT · PHX: MST
When it's 6:00 PM in Cahokia/St Louis, it's 4:00 PM in Phoenix.
PHX Sky Train (free, 24h) connects T3 and T4 to the 44th Street/Washington light rail station in 5 minutes. Valley Metro Rail reaches downtown Phoenix in 20 minutes ($2). Uber and Lyft pick up at Ground Transportation on the lower level; follow signs. Taxis are metered; downtown Phoenix costs $20–30.Rental car agencies are consolidated in the Rental Car Center; the Sky Train connects there from both terminals without going to the street. For Scottsdale, Tempe, or Chandler, ride-hails are practical ($25–50). Express buses serve some suburban destinations.
Hot desert climate. Summers (June–September) are extreme. Daytime temperatures regularly exceed 43°C, occasionally reaching 48°C. Heat alone rarely cancels flights, but density altitude affects small aircraft performance. Monsoon season (July–mid-September) brings dramatic dust storms (haboob) that close the airport when they hit, plus intense flash-flooding thunderstorms that ground departures for 30–90 minutes.
Winters are exceptionally mild (10–22°C) with virtually no precipitation and near-constant sunshine. PHX has one of the lowest weather cancellation rates of any major US airport from November through April. Spring and fall are pleasant; late May and early June are hot and dry before monsoon arrives.
CPS–PHX Quick Facts
Frequently Asked Questions
Flights from CPS to PHX
St Louis Downtown Airport (CPS) and Phoenix Sky Harbor International Airport (PHX) are connected through multiple connecting hub airports.
CPS to PHX Flight Duration and Schedule
Nonstop flight time from CPS to PHX is about 2 hours 56 minutes gate to gate. The route covers a distance of 1,268 miles (2,041 km).
Connecting Options and Alternatives
Nearby alternative airports include St Louis (STL), Marion (MWA) and Decatur (DEC).