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PMH to BUF: distance & flight time

Portsmouth (Greater Portsmouth Regional Airport) → Buffalo (Buffalo Niagara International Airport)

355 mi
572 km · 309 nm
1h 24m
estimated nonstop flight time
time difference · heading northeast
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Flight time details

355 miles nonstop takes roughly 1h 24m gate to gate, flying northeast. 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

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.

Frequently asked questions

How far is PMH from BUF?

The flight distance from Portsmouth (PMH) to Buffalo (BUF) is 355 miles (572 km, 309 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from PMH to BUF?

A nonstop flight takes about 1h 24m 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 PMH to BUF?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PMH–BUF that never appear on search engines, with no booking fees.
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