AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Calgary (YYC) in September 2025 (see full year).
Return flights
| 19 Sep - 22 Sep | WestJet | direct | |
| 05 Sep - 08 Sep | WestJet | direct | |
| 01 Sep - 05 Sep | WestJet | direct | |
| 08 Sep - 15 Sep | WestJet | ||
| 18 Sep - 21 Sep | Frontier Airlines | ||
| 08 Sep - 15 Sep | WestJet | direct |
Also check the deals for one-way flights from Raleigh-durham to Calgary in September.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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