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PMH to STL: distance & flight time
Portsmouth (Greater Portsmouth Regional Airport) → St. Louis (St Louis Lambert International Airport)
405 mi
652 km · 352 nm
1h 21m
estimated nonstop flight time
—
time difference · heading west
See live PMH→STL fares Phone-only fares on this route — call free
Flight time details
405 miles nonstop takes roughly 1h 21m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- PMH — Greater Portsmouth Regional Airport · Portsmouth, United States
- STL — St Louis Lambert International Airport · St. Louis, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near PMH
- HTS · Tri-State/Milton J. Ferguson Field36 mi away
- ATO · Ohio University Snyder Field42 mi away
- ILN · Wilmington Airpark65 mi away
- LCK · Rickenbacker International Airport67 mi away
Near STL
- SUS · Spirit of St Louis Airport16 mi away
- ALN · St Louis Regional Airport20 mi away
- BLV · Scott AFB/Midamerica Airport32 mi away
- SPI · Abraham Lincoln Capital Airport84 mi away
Frequently asked questions
How far is PMH from STL?
The flight distance from Portsmouth (PMH) to St. Louis (STL) is 405 miles (652 km, 352 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PMH to STL?
A nonstop flight takes about 1h 21m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from PMH to STL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PMH–STL that never appear on search engines, with no booking fees.