AirHint found the following cheapest return flights from Montreal (YUL) to St.-denis (RUN) in July 2026 (see full year).

Return flights

14 Jul - 21 Jul	KLM
13 Jul - 20 Jul	KLM
12 Jul - 19 Jul	KLM
01 Jul - 08 Jul	KLM
06 Jul - 13 Jul	KLM
02 Jul - 09 Jul	FrenchBee
15 Jul - 22 Jul	KLM
19 Jul - 26 Jul	KLM
07 Jul - 14 Jul	KLM
08 Jul - 15 Jul	KLM
29 Jul - 05 Aug	KLM
25 Jul - 01 Aug	Air France
28 Jul - 04 Aug	KLM
16 Jul - 15 Aug	FrenchBee
18 Jul - 15 Aug	FrenchBee
26 Jul - 02 Aug	KLM
27 Jul - 03 Aug	KLM
30 Jul - 06 Aug	KLM
31 Jul - 07 Aug	KLM

Also check the deals for one-way flights from Montreal to St.-denis in July.

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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Cheapest return flights from Montreal to St.-denis in July from $1615

Return flights