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SAT to PSM: distance & flight time
San Antonio (San Antonio International Airport) → Portsmouth (Portsmouth International at Pease Airport)
1,789 mi
2,879 km · 1,554 nm
3h 58m
estimated nonstop flight time
+1h
time difference · heading northeast
See live SAT→PSM fares Phone-only fares on this route — call free
Flight time details
1,789 miles nonstop takes roughly 3h 58m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- SAT — San Antonio International Airport · San Antonio, 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 SAT
- RND · Randolph Air Force Base11 mi away
- SKF · Lackland Air Force Base12 mi away
- SSF · Stinson Municipal Airport14 mi away
- AUS · Austin Bergstrom International Airport66 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 SAT from PSM?
The flight distance from San Antonio (SAT) to Portsmouth (PSM) is 1,789 miles (2,879 km, 1,554 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SAT to PSM?
A nonstop flight takes about 3h 58m 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 San Antonio and Portsmouth?
Portsmouth is 1 hour ahead of San Antonio.
What is the cheapest way to fly from SAT to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SAT–PSM that never appear on search engines, with no booking fees.