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WBU to PSM: distance & flight time
Boulder (Boulder Municipal Airport) → Portsmouth (Portsmouth International at Pease Airport)
1,778 mi
2,862 km · 1,545 nm
3h 57m
estimated nonstop flight time
+2h
time difference · heading east
See live WBU→PSM fares Phone-only fares on this route — call free
Flight time details
1,778 miles nonstop takes roughly 3h 57m 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
- WBU — Boulder Municipal Airport · Boulder, 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 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
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 WBU from PSM?
The flight distance from Boulder (WBU) to Portsmouth (PSM) 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 WBU to PSM?
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 Boulder and Portsmouth?
Portsmouth is 2 hours ahead of Boulder.
What is the cheapest way to fly from WBU to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–PSM that never appear on search engines, with no booking fees.