Portland to Cahokia/St Louis (PDX–CPS) — 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.
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.
PDX–CPS had nonstop service from Sun Country Airlines, last on the schedule in September 2026. There's no nonstop on it right now, so today you'd fly it with one stop. The connecting options below are sorted by layover. Nonstop, it's about 1,720 miles in 3h 32m.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| SY Sun Country Airlines | 1 | – | – | – | – |
On-Time Performance
Other ways to reach Cahokia/St Louis from Portland
| Metric | PDX→CPS | SEA→CPS |
|---|---|---|
| Distance from PDX | – | 129 mi |
| Nonstop airlines | – | 1 |
| Weekly flights | – | – |
| Flight time | 3h 32m | 3h 34m |
| Departure OTP | 84% | – |
Travel Essentials
PDX: PDT · CPS: CDT
When it's 6:00 PM in Portland, it's 8:00 PM in Cahokia/St Louis.
PDX–CPS Quick Facts
Frequently Asked Questions
Flights from PDX to CPS
Portland International Airport (PDX) and St Louis Downtown Airport (CPS) had nonstop service from Sun Country Airlines, last on the schedule in September 2026. The nonstop is dormant right now, so the way to fly it today is one connection, and the options above are sorted by layover.
PDX to CPS Flight Duration and Schedule
Nonstop flight time from PDX to CPS is about 3 hours 32 minutes gate to gate. The route covers a distance of 1,720 miles (2,768 km).
Connecting Options and Alternatives
Nearby alternative airports include Seattle (SEA).