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ORD to PSM: distance & flight time
Chicago (Chicago O'Hare International Airport) → Portsmouth (Portsmouth International at Pease Airport)
872 mi
1,403 km · 757 nm
2h 22m
estimated nonstop flight time
+1h
time difference · heading east
See live ORD→PSM fares Phone-only fares on this route — call free
Flight time details
872 miles nonstop takes roughly 2h 22m gate to gate, flying east. 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
- ORD — Chicago O'Hare International Airport · Chicago, 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 ORD
- PWK · Chicago Executive Airport9 mi away
- MDW · Chicago Midway International Airport15 mi away
- CGX · Chicago Meigs Airport17 mi away
- DPA · Dupage Airport18 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 ORD from PSM?
The flight distance from Chicago (ORD) to Portsmouth (PSM) is 872 miles (1,403 km, 757 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ORD to PSM?
A nonstop flight takes about 2h 22m 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 Chicago and Portsmouth?
Portsmouth is 1 hour ahead of Chicago.
What is the cheapest way to fly from ORD to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ORD–PSM that never appear on search engines, with no booking fees.