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APA to PSM: distance & flight time
Denver (Centennial Airport) → Portsmouth (Portsmouth International at Pease Airport)
1,770 mi
2,848 km · 1,538 nm
3h 56m
estimated nonstop flight time
+2h
time difference · heading east
See live APA→PSM fares Phone-only fares on this route — call free
Flight time details
1,770 miles nonstop takes roughly 3h 56m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- APA — Centennial Airport · Denver, 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 APA
- DEN · Denver International Airport22 mi away
- BFK · Buckley Air Force Base10 mi away
- BJC · Rocky Mountain Metropolitan Airport27 mi away
- WBU · Boulder Municipal Airport38 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 APA from PSM?
The flight distance from Denver (APA) to Portsmouth (PSM) is 1,770 miles (2,848 km, 1,538 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from APA to PSM?
A nonstop flight takes about 3h 56m 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 Denver and Portsmouth?
Portsmouth is 2 hours ahead of Denver.
What is the cheapest way to fly from APA to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on APA–PSM that never appear on search engines, with no booking fees.