Need help booking?
Unpublished phone-only deals available
PSM to SFF: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Spokane (Felts Field)
2,245 mi
3,612 km · 1,950 nm
4h 52m
estimated nonstop flight time
-3h
time difference · heading northwest
See live PSM→SFF fares Phone-only fares on this route — call free
Flight time details
2,245 miles nonstop takes roughly 4h 52m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
- SFF — Felts Field · Spokane, 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 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
Near SFF
- GEG · Spokane International Airport11 mi away
- SKA · Fairchild Air Force Base16 mi away
- COE · Coeur D'Alene - Pappy Boyington Field24 mi away
- PUW · Pullman Moscow Regional Airport66 mi away
Frequently asked questions
How far is PSM from SFF?
The flight distance from Portsmouth (PSM) to Spokane (SFF) is 2,245 miles (3,612 km, 1,950 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to SFF?
A nonstop flight takes about 4h 52m 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 time difference between Portsmouth and Spokane?
Spokane is 3 hours behind Portsmouth.
What is the cheapest way to fly from PSM to SFF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–SFF that never appear on search engines, with no booking fees.