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PSM to WBU: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Boulder (Boulder Municipal Airport)
1,778 mi
2,862 km · 1,545 nm
3h 57m
estimated nonstop flight time
-2h
time difference · heading west
See live PSM→WBU fares Phone-only fares on this route — call free
Flight time details
1,778 miles nonstop takes roughly 3h 57m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
- WBU — Boulder Municipal Airport · Boulder, 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 WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 mi away
Frequently asked questions
How far is PSM from WBU?
The flight distance from Portsmouth (PSM) to Boulder (WBU) is 1,778 miles (2,862 km, 1,545 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to WBU?
A nonstop flight takes about 3h 57m 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 Boulder?
Boulder is 2 hours behind Portsmouth.
What is the cheapest way to fly from PSM to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–WBU that never appear on search engines, with no booking fees.