Cheap flights from Raleigh/Durham to Houston

Cheapest current fares: $120 in July 2026, 1,675 km direct flight in ~1h 58m.

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Live fares · RDU → IAH

Cheapest month-by-month fares

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

Raleigh/Durham (RDU) → Houston (IAH)

  1. July 2026 $120

Frequently asked questions

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

    Based on current 6-month forward fare data, July 2026 is the cheapest month to fly from Raleigh/Durham (RDU) to Houston (IAH), with fares starting from $120.

  • What is the lowest current fare from RDU to IAH?

    The lowest currently-listed fare from Raleigh/Durham (RDU) to Houston (IAH) is $120 on 2026-07-15.

  • How long is the flight from Raleigh/Durham to Houston?

    Direct flights from RDU to IAH cover approximately 1,675 km (1,041 miles), with an estimated flight time of 1h 58m. Operating airlines: F9, UA.

Related guides for this route

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

Full route page: RDU → IAH Cheapest month to fly to Houston All flights from Raleigh/Durham All flights to Houston Flights to USA Visa-free with USA passport F9 routes UA routes