Cheapest return YUL–UIO flights, May

AirHint found the following cheapest return flights from Montreal (YUL) to Quito (UIO) in May 2026 (see full year).

Return flights

20 May - 27 May Copa
21 May - 01 Jun Avianca
27 May - 03 Jun Avianca
31 May - 07 Jun Avianca
18 May - 25 May Delta
28 May - 04 Jun Delta
21 May - 02 Jun Delta
19 May - 26 May Copa
22 May - 29 May Copa
08 May - 15 May Delta
05 May - 09 May Delta
06 May - 09 May Delta
20 May - 02 Jun Delta
11 May - 18 May LATAM Airlines Group
17 May - 24 May LATAM Airlines Group
09 May - 16 May LATAM Airlines Group
25 May - 01 Jun Avianca
30 May - 06 Jun Copa
29 May - 05 Jun Avianca
29 May - 08 Jun Avianca

Also check the deals for one-way flights from Montreal to Quito in May.

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