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SDF to PSM: distance & flight time
Louisville (Louisville International Standiford Field) → Portsmouth (Portsmouth International at Pease Airport)
851 mi
1,369 km · 739 nm
2h 19m
estimated nonstop flight time
Same time
time difference · heading northeast
See live SDF→PSM fares Phone-only fares on this route — call free
Flight time details
851 miles nonstop takes roughly 2h 19m gate to gate, flying northeast. 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
- SDF — Louisville International Standiford Field · Louisville, United States
- PSM — Portsmouth International at Pease Airport · Portsmouth, 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 SDF
- LOU · Bowman Field5 mi away
- FTK · Godman Army Air Field22 mi away
- FFT · Capital City Airport45 mi away
- LEX · Blue Grass Airport62 mi away
Near PSM
- BOS · General Edward Lawrence Logan International Airport50 mi away
- LWM · Lawrence Municipal Airport29 mi away
- MHT · Manchester-Boston Regional Airport33 mi away
- BVY · Beverly Municipal Airport34 mi away
Frequently asked questions
How far is SDF from PSM?
The flight distance from Louisville (SDF) to Portsmouth (PSM) is 851 miles (1,369 km, 739 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDF to PSM?
A nonstop flight takes about 2h 19m 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 SDF to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDF–PSM that never appear on search engines, with no booking fees.