Cheap flights from Miami to Cancun from $140 MIA → CUN

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 $180 to $387.

At $393, the cheapest return 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 1-night return fares leaving within 3 days of 6 Dec to compare.

Every date we hold

14 fares on 12 departure dates

Which month looks cheapest?

January 2027 is the cheapest month — from $387.

Found recently, and the cheapest we hold

It is also the cheapest one-way we hold, of any age.

What have prices looked like?

Over 48 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $132 to $258.

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 5 Dec to compare.

Every date we hold

3 fares on 3 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $140.

Return

Fares 90 to 179 days before departure were typically 28% 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 7 to 13 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (48 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 Miami to Cancun?

The cheapest return found recently is $393 with Frontier Airlines, 6 Dec to 7 Dec, found 2 days ago. The cheapest return we hold, of any age, is $387 with American Airlines, 18 Jan 2027 to 25 Jan 2027, found 6 days ago. The cheapest return fare on each of 12 departure dates is usually $424 to $480.

How much is a one-way flight from Miami to Cancun?

The cheapest one-way found recently is $140 with Frontier Airlines, 5 Dec, found 2 days ago. The cheapest one-way fare on each of 3 departure dates is usually $149 to $176.

What is the cheapest month to fly from Miami to Cancun?

January 2027 is the cheapest month for a return, from $387, 18 Jan 2027 to 25 Jan 2027, found 6 days ago. December 2026 is the cheapest month for a one-way, from $140, 5 Dec, found 2 days ago.

How far ahead should I book a flight from Miami to Cancun?

In 49 days of prices between 24 Sept and 11 Nov, return fares 90 to 179 days before departure were typically 28% lower than 0 to 6 days before departure. In 48 days of prices between 24 Sept and 11 Nov, one-way fares were cheapest 7 to 13 days before departure.

Which airlines have the cheapest flights from Miami to Cancun?

Between 16 Nov and 30 May 2027, Volaris has the cheapest return on 5 of the 12 departure dates we hold, Frontier Airlines on 5 and American Airlines on 2. Between 5 Dec and 27 Jan 2027, Frontier Airlines has the cheapest one-way on 2 of the 3 departure dates we hold, and Volaris on 1.