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BWI to PMH: distance & flight time
Baltimore (Baltimore/Washington International Thurgood Marshall Airport) → Portsmouth (Greater Portsmouth Regional Airport)
332 mi
535 km · 289 nm
1h 20m
estimated nonstop flight time
—
time difference · heading west
See live BWI→PMH fares Phone-only fares on this route — call free
Flight time details
332 miles nonstop takes roughly 1h 20m gate to gate, flying west. 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
- BWI — Baltimore/Washington International Thurgood Marshall Airport · Baltimore, United States
- PMH — Greater Portsmouth Regional 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 BWI
- DCA · Ronald Reagan Washington National Airport30 mi away
- IAD · Washington Dulles International Airport45 mi away
- FME · Tipton Airport8 mi away
- ANP · Lee Airport17 mi away
Near PMH
- HTS · Tri-State/Milton J. Ferguson Field36 mi away
- ATO · Ohio University Snyder Field42 mi away
- ILN · Wilmington Airpark65 mi away
- LCK · Rickenbacker International Airport67 mi away
Frequently asked questions
How far is BWI from PMH?
The flight distance from Baltimore (BWI) to Portsmouth (PMH) is 332 miles (535 km, 289 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BWI to PMH?
A nonstop flight takes about 1h 20m 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 BWI to PMH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BWI–PMH that never appear on search engines, with no booking fees.