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

Return flights

18 May - 25 May	Avianca
04 May - 11 May	Avianca
16 May - 23 May	Avianca
25 May - 01 Jun	Avianca
27 May - 03 Jun	Avianca
29 May - 08 Jun	Avianca
12 May - 09 Jun	Avianca
29 May - 06 Jun	Copa
29 May - 06 Jun	Aeromexico	direct
06 May - 11 May	Viva
06 May - 26 May	Viva
18 May - 26 May	Viva
16 May - 26 May	Viva
05 May - 26 May	Viva
25 May - 26 May	Viva
06 May - 25 May	Viva
18 May - 08 Jun	Viva
25 May - 08 Jun	Viva
18 May - 06 Jun	Viva
16 May - 06 Jun	Viva

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

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 Mexico City to Quito in May from 306€

Return flights