What is the cheapest month to fly from Las Vegas to Portsmouth?

Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Las Vegas (LAS) to Portsmouth (PSM), with fares starting from $195.

What is the lowest current fare from LAS to PSM?

The lowest currently-listed fare from Las Vegas (LAS) to Portsmouth (PSM) is $195 on 2026-09-09.

Is there a direct flight from Las Vegas to Portsmouth?

There is currently no non-stop service from LAS to PSM. Most travellers connect through a hub airport. See our route page for current stopover options.

Cheap flights from Las Vegas to Portsmouth

Cheapest current fares: $195 in September 2026 on connecting flights.

Last updated August 12, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Las Vegas (LAS) to Portsmouth (PSM). Refreshed daily.

Las Vegas (LAS) → Portsmouth (PSM)

September 2026 $195
August 2026 $257

Frequently asked questions

What is the cheapest month to fly from Las Vegas to Portsmouth?

Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Las Vegas (LAS) to Portsmouth (PSM), with fares starting from $195.
What is the lowest current fare from LAS to PSM?

The lowest currently-listed fare from Las Vegas (LAS) to Portsmouth (PSM) is $195 on 2026-09-09.
Is there a direct flight from Las Vegas to Portsmouth?

There is currently no non-stop service from LAS to PSM. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.