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PSM to STS: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Santa Rosa (Charles M. Schulz Sonoma County Airport)
2,694 mi
4,336 km · 2,341 nm
5h 45m
estimated nonstop flight time
-3h
time difference · heading west
See live PSM→STS fares Phone-only fares on this route — call free
Flight time details
2,694 miles nonstop takes roughly 5h 45m gate to gate, flying west. 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
- STS — Charles M. Schulz Sonoma County Airport · Santa Rosa, 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 STS
- SFO · San Francisco International Airport66 mi away
- NOT · Marin County Airport - Gnoss Field29 mi away
- APC · Napa County Airport35 mi away
- UKI · Ukiah Municipal Airport47 mi away
Frequently asked questions
How far is PSM from STS?
The flight distance from Portsmouth (PSM) to Santa Rosa (STS) is 2,694 miles (4,336 km, 2,341 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to STS?
A nonstop flight takes about 5h 45m 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 Santa Rosa?
Santa Rosa is 3 hours behind Portsmouth.
What is the cheapest way to fly from PSM to STS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–STS that never appear on search engines, with no booking fees.