AirHint found the following cheapest return flights from Philadelphia (PHL) to Montreal (YUL) in July 2025 (see full year).

Return flights

28 Jul - 01 Aug	Spirit Airlines
11 Jul - 14 Jul	Air Canada
10 Jul - 13 Jul	Air Canada	direct
28 Jul - 01 Aug	Air Canada	direct
24 Jul - 31 Jul	Air Canada	direct
12 Jul - 12 Jul	Air Canada
17 Jul - 24 Jul	Frontier Airlines
18 Jul - 21 Jul	Frontier Airlines
18 Jul - 20 Jul	Frontier Airlines
24 Jul - 27 Jul	Delta
24 Jul - 27 Jul	Air Canada	direct
17 Jul - 24 Jul	Air Canada	direct
28 Jul - 02 Aug	Frontier Airlines

Also check the deals for one-way flights from Philadelphia to Montreal 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.

Book a cheap hotel in Montreal

Cheap car rent in Montreal

Cheapest return flights from Philadelphia to Montreal in July from 318€

Return flights