AirHint found the following cheapest return flights from Montreal (YUL) to Seoul (ICN) in August 2026 (see full year).

Return flights

24 Aug - 13 Sep	WestJet
27 Aug - 03 Sep	WestJet
24 Aug - 31 Aug	WestJet
25 Aug - 01 Sep	WestJet
10 Aug - 25 Aug	WestJet
30 Aug - 06 Sep	WestJet
28 Aug - 04 Sep	WestJet
02 Aug - 18 Aug	WestJet
17 Aug - 31 Aug	WestJet
31 Aug - 16 Sep	WestJet
26 Aug - 07 Sep	WestJet
29 Aug - 05 Sep	WestJet
18 Aug - 01 Sep	ANA
21 Aug - 28 Aug	WestJet
02 Aug - 09 Aug	WestJet
15 Aug - 22 Aug	WestJet
31 Aug - 07 Sep	WestJet
03 Aug - 24 Aug	Porter Airlines (Canada) Ltd
23 Aug - 30 Aug	Porter Airlines (Canada) Ltd
11 Aug - 18 Aug	WestJet

Also check the deals for one-way flights from Montreal to Seoul in August.

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 Seoul

Cheap car rent in Seoul

Cheapest return flights from Montreal to Seoul in August from 911€

Return flights