What is the cheapest month to fly from Raleigh/Durham to Portsmouth?

Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Raleigh/Durham (RDU) to Portsmouth (PSM), with fares starting from $95.

What is the lowest current fare from RDU to PSM?

The lowest currently-listed fare from Raleigh/Durham (RDU) to Portsmouth (PSM) is $95 on 2026-06-04.

How long is the flight from Raleigh/Durham to Portsmouth?

Direct flights from RDU to PSM cover approximately 1,052 km (654 miles), with an estimated flight time of 1h 14m. Operating airlines: MX.

Cheap flights from Raleigh/Durham to Portsmouth

Cheapest current fares: $95 in June 2026, 1,052 km direct flight in ~1h 14m.

Last updated May 26, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Raleigh/Durham (RDU) to Portsmouth (PSM). Refreshed daily.

Raleigh/Durham (RDU) → Portsmouth (PSM)

June 2026 $95

Frequently asked questions

What is the cheapest month to fly from Raleigh/Durham to Portsmouth?

Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Raleigh/Durham (RDU) to Portsmouth (PSM), with fares starting from $95.
What is the lowest current fare from RDU to PSM?

The lowest currently-listed fare from Raleigh/Durham (RDU) to Portsmouth (PSM) is $95 on 2026-06-04.
How long is the flight from Raleigh/Durham to Portsmouth?

Direct flights from RDU to PSM cover approximately 1,052 km (654 miles), with an estimated flight time of 1h 14m. Operating airlines: MX.

Related guides for this route

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