Need help booking?
Unpublished phone-only deals available
DAY to PSM: distance & flight time
Dayton (James M Cox Dayton International Airport) → Portsmouth (Portsmouth International at Pease Airport)
726 mi
1,169 km · 631 nm
2h 3m
estimated nonstop flight time
Same time
time difference · heading east
See live DAY→PSM fares Phone-only fares on this route — call free
Flight time details
726 miles nonstop takes roughly 2h 3m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- DAY — James M Cox Dayton International Airport · Dayton, 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 DAY
- FFO · Wright-Patterson Air Force Base10 mi away
- SGH · Springfield-Beckley Municipal Airport21 mi away
- MGY · Dayton-Wright Brothers Airport22 mi away
- ILN · Wilmington Airpark40 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 DAY from PSM?
The flight distance from Dayton (DAY) to Portsmouth (PSM) is 726 miles (1,169 km, 631 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DAY to PSM?
A nonstop flight takes about 2h 3m 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 cheapest way to fly from DAY to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DAY–PSM that never appear on search engines, with no booking fees.