Portsmouth to St Louis (PSM–STL) — Airlines, Schedules & Connections

PSM Airport Page →
1,061 mi airlines charter/private ~1/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 2 1-stop flights Verified 27m ago
Charter / private route. No scheduled airline service — operated by charter & private aviation.
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

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.

✦ 1-Stop connections via 2 hubs
MCO Orlando 7h 16m MX → F9WN Orlando (MCO) to St Louis flights
RDU Raleigh/Durham 14h 8m MX → WN Raleigh/Durham (RDU) to St Louis flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Portsmouth to St Louis
Flown by charter / private operators — no scheduled airline service.
1,061 mi 2h 28m nonstop -1h behind

PSM–STL has no scheduled airline service; it is flown by charter / private operators. 1-stop connecting options are also available.

Also explore PSM Routes STL Routes PSM Live Flights STL Live Flights STL Delays
All flights from St Louis (STL) St Louis to Portsmouth flights
Connections

Connection Landscape

1-stop and 2-stop options for PSM to STL.
1-STOP
One-Stop Connections
2
Hubs
~7h
Fastest
~14h
Longest
MCO ~7h 16m RDU ~14h 8m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
64
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
PSM → STL
78%
Generally reliable. Most flights run on time.
Arriving
78%
Return
STL → PSM
57%
Frequent delays expected. Consider flexible booking.
Departing
57%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. STL delays →
Alternatives

Other ways to reach St Louis from Portsmouth

Nearby airports with service to St. Louis Lambert International Airport.
Metric PSM→STL PWM→STL BED→STL
Distance from PSM – 47 mi 48 mi
Nonstop airlines – 1 2
Weekly flights ~1 – 1
Flight time 2h 28m 2h 31m 2h 36m
Portland (PWM) to St Louis flights · Bedford (BED) to St Louis flights · Boston (BOS) to St Louis flights
Airports within 200 miles of PSM with service to St. Louis Lambert International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-1h
St Louis is 1 hour behind Portsmouth.
PSM: EDT · STL: CDT

When it's 6:00 PM in Portsmouth, it's 5:00 PM in St Louis.
Distance & Flight Time
1,061 mi / 1,707 km
Nonstop flight time is approximately 2h 28m gate to gate.
Facts

PSM–STL Quick Facts

Key statistics for the Portsmouth to St Louis route.
Route details
Distance1,061 mi / 1,707 km
Flight time2h 28m
Time difference-1 hour
Airlines (nonstop)Charter / private
Weekly flights~1 out / ~1 return
1-stop connectionsAvailable
Origin: PSM
Full namePortsmouth International Airport at Pease
IATA / ICAOPSM / KPSM
TimezoneAmerica/New_York
Passengers/yr0.2M
Elevation100 ft / 30 m
Destination: STL
Full nameSt. Louis Lambert International Airport
IATA / ICAOSTL / KSTL
TimezoneAmerica/Chicago
Passengers/yr15.6M
Elevation618 ft / 188 m
FAQ

Frequently Asked Questions

Common questions about PSM to STL flights.
Nonstop flights from Portsmouth International Airport at Pease to St. Louis Lambert International Airport take about 2h 28m gate to gate. The route covers 1,061 miles.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Orlando and Raleigh-Durham.
St Louis is 1 hour behind Portsmouth.
Yes, return flights from STL to PSM are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include PWM, BED and BOS. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from PSM to STL

Portsmouth International Airport at Pease (PSM) and St. Louis Lambert International Airport (STL) are connected through multiple connecting hub airports.

PSM to STL Flight Duration and Schedule

Nonstop flight time from PSM to STL is about 2 hours 28 minutes gate to gate. The route covers a distance of 1,061 miles (1,707 km).

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Orlando and Raleigh-Durham. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Portland (PWM), Bedford (BED) and Boston (BOS).