Cheap flights from Montreal to Mexico City from C$489 YHU, YUL → MEX, NLU, TLC

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was C$657 (US$461) to C$864 (US$606).

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 9-night return fares leaving within 3 days of 5 Jan 2027 to compare.

Every date we hold

102 fares on 9 departure dates

Which month looks cheapest?

November 2026 is the cheapest month — from C$747 (US$524).

Found recently, and the cheapest we hold

What have prices looked like?

Over 44 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was C$341 (US$239) to C$422 (US$296).

At C$489 (US$343), the cheapest one-way found recently is above that range.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other one-way fares leaving within 3 days of 29 Nov to compare.

Every date we hold

3 fares on 3 departure dates

Which month looks cheapest?

November 2026 is the cheapest month — from C$388 (US$272).

Return

Fares 7 to 13 days before departure were typically 7% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

The cheapest fares were 14 to 29 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (44 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from Montreal to Mexico City?

The cheapest return found recently is C$834 (US$585) with United Airlines, 5 Jan 2027 to 14 Jan 2027, found 2 days ago. The cheapest return we hold, of any age, is C$747 (US$524) with United Airlines, 14 Nov to 20 Nov, found 7 days ago. The cheapest return fare on each of 9 departure dates is usually C$783 (US$549) to C$877 (US$615).

How much is a one-way flight from Montreal to Mexico City?

The cheapest one-way found recently is C$489 (US$343) with Porter Airlines Canada, 29 Nov, found 3 days ago. The cheapest one-way we hold, of any age, is C$388 (US$272) with United Airlines, 13 Nov, found 7 days ago. The cheapest one-way fare on each of 3 departure dates is usually C$438 (US$308) to C$560 (US$393).

What is the cheapest month to fly from Montreal to Mexico City?

November 2026 is the cheapest month for a return, from C$747 (US$524), 14 Nov to 20 Nov, found 7 days ago. It is the cheapest month for a one-way too, from C$388 (US$272), 13 Nov, found 7 days ago.

How far ahead should I book a flight from Montreal to Mexico City?

In 49 days of prices between 24 Sept and 11 Nov, return fares 7 to 13 days before departure were typically 7% lower than 0 to 6 days before departure. In 44 days of prices between 24 Sept and 11 Nov, one-way fares were cheapest 14 to 29 days before departure.

Is there a direct flight from Montreal to Mexico City?

Yes, the cheapest nonstop return found recently is C$902 (US$633) with Air Canada, 13 Feb 2027 to 21 Feb 2027, found 2 days ago.

How long is the flight from Montreal to Mexico City?

The cheapest one-way found recently, with Porter Airlines Canada on 29 Nov, takes 30 h with 2 stops.

Which airlines have the cheapest flights from Montreal to Mexico City?

Between 13 Nov and 13 Feb 2027, United Airlines has the cheapest return on 3 of the 9 departure dates we hold, Flair Airlines on 3 and Air Canada Rouge on 1. Between 13 Nov and 4 Jan 2027, Porter Airlines Canada has the cheapest one-way on 2 of the 3 departure dates we hold, and United Airlines on 1.