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PSM to HOU: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Houston (William P Hobby Airport)
1,637 mi
2,635 km · 1,423 nm
3h 41m
estimated nonstop flight time
-1h
time difference · heading southwest
See live PSM→HOU fares Phone-only fares on this route — call free
Flight time details
1,637 miles nonstop takes roughly 3h 41m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
- HOU — William P Hobby Airport · Houston, 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 HOU
- IAH · George Bush Intercontinental Houston Airport24 mi away
- EFD · Ellington Airport8 mi away
- AAP · Andrau Airpark19 mi away
- SGR · Sugar Land Regional Airport23 mi away
Frequently asked questions
How far is PSM from HOU?
The flight distance from Portsmouth (PSM) to Houston (HOU) is 1,637 miles (2,635 km, 1,423 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to HOU?
A nonstop flight takes about 3h 41m 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 Houston?
Houston is 1 hour behind Portsmouth.
What is the cheapest way to fly from PSM to HOU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–HOU that never appear on search engines, with no booking fees.