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CYS to PSM: distance & flight time
Cheyenne (Cheyenne Regional Jerry Olson Field) → Portsmouth (Portsmouth International at Pease Airport)
1,735 mi
2,792 km · 1,508 nm
3h 52m
estimated nonstop flight time
+2h
time difference · heading east
See live CYS→PSM fares Phone-only fares on this route — call free
Flight time details
1,735 miles nonstop takes roughly 3h 52m 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
- CYS — Cheyenne Regional Jerry Olson Field · Cheyenne, 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 CYS
- LAR · Laramie Regional Airport46 mi away
- DEN · Denver International Airport90 mi away
- FNL · Northern Colorado Regional Airport50 mi away
- GXY · Greeley–Weld County Airport51 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 CYS from PSM?
The flight distance from Cheyenne (CYS) to Portsmouth (PSM) is 1,735 miles (2,792 km, 1,508 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CYS to PSM?
A nonstop flight takes about 3h 52m 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 Cheyenne and Portsmouth?
Portsmouth is 2 hours ahead of Cheyenne.
What is the cheapest way to fly from CYS to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CYS–PSM that never appear on search engines, with no booking fees.