Cheap Flights from Key West International to Cancun

Compare Key West International to Cancun flight deals

Find the cheapest month or even day of the year to fly to Cancun

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Flight deals from Key West International to Cancun

Looking for a cheap last-minute deal or the best return flight from Key West International Airport to Cancun Airport? If you want to travel next month, return fares start from R 8,046. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Key West International to Cancun

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Key West International to Cancun flights are currently cheapest in January.

Key West International to Cancun: Alternative routes

Compare routes from Key West International to Cancun below. You may find an airport to fly into that's cheaper, faster, or easier than Cancun.

Key West to Cancun: Flight information

The things to know before you go.
Cheapest flight foundR 4,469
Cheapest month to flyJanuary

Finding cheap flights from Key West International to Cancun: Frequently asked questions

The best price we found for a return flight from Key West International to Cancun is R 7,830. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Key West International to Cancun. But we found flights with one or more stops from R 7,830.
As of June 2026, there are no flights flying from Key West International to Cancun.
The cheapest month to fly from Key West International to Cancun is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Key West International Airport to Cancun Airport on Sunday, 9 August 2026.
No airlines currently offer direct flights between Key West International Airport and Cancun Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Cancun but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Cancun is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Allegiant Air offers the cheapest flight tickets to Cancun.

Travelling from Key West International Airport (EYW) to Cancun Airport (CUN): what you need to know

  • Key West and Cancun share the same timezone, UTC-5.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Show up at the airport on time to board your EYW to CUN flight.

  • You can expect bigger queues during popular months such as April. Arriving up to four hours ahead of international flights and two hours for a domestic departure will help ensure a smooth travel experience.

  • Think about adding a stopover when booking your ticket from Key West International Airport to Cancun Airport. Simply uncheck 'Direct flights only' to break up your journey, or visit a new city along the way. Here's where you can stop between EYW and CUN:

    • Miami International Airport

    • Orlando International Airport

    • Fort Lauderdale International Airport

How to find the cheapest flights from Key West International Airport (EYW) to Cancun Airport (CUN)

  • The lowest price we've seen for a one-way Key West International Airport to Cancun Airport flight is R 4,469. A round-trip fare is currently R 7,840. Depending on the availability and when you book, these fares may change.

  • Don't wait until the last minute. You're more likely to find cheap tickets from EYW to CUN if you book in advance. Airlines often offer some excellent early bird discounts.

  • Finding cheap flights from Key West International Airport to Cancun Airport is easier if you can be flexible with your travel dates. Use the 'Whole month' search function to see the lowest prices across the month and snap up a great deal.

  • Getting your hands on cheap flights from EYW to CUN is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know when a new deal comes up.

  • Tailor your flights using filters. Pick your ideal departure and arrival times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Key West International Airport to Cancun Airport.

Handy information about Key West International Airport (EYW)

  • EYW is located at 3491 South Roosevelt Boulevard.

  • Of the departures from Key West International Airport, 75% land on schedule at their destination.

  • Key West International Airport is about 5 kilometres from central Key West. If you're driving, ride-sharing or catching a taxi from the centre, it'll take you 10 minutes or so to get there, depending on the traffic.

  • The trip when using public transport usually takes 20 minutes.

  • Need a handy hotel near EYW? If you're catching an early flight from Key West International Airport to Cancun Airport, these accommodation options will have you sleeping moments from your check-in counter:

Arriving at Cancun Airport (CUN)

  • Reserve a hotel near CUN if you're on a late Key West International Airport to Cancun Airport flight. Settle into one of these options and avoid the hassle of a long transfer:

  • Say yes to new adventures by picking up a Cancun Airport rental car. Grab your wheels from MEX, America or Europcar and explore beyond Cancun's main sights.

  • Reserving your ride from Cancun Airport about three weeks ahead gives you the best chance of locking in a great deal.

Getting from Cancun Airport (CUN) to central Cancun

  • Cancun Airport is approximately 16 kilometres from central Cancun. The drive time takes about 25 minutes.

  • It typically takes 35 minutes if you're travelling by public transport.

When to fly to Cancun Airport (CUN)

  • April is the busiest month for flights from Key West International Airport to Cancun Airport. For smaller crowds, visit Cancun in March.

  • Before locking in your flight from Key West International Airport to Cancun Airport, think about the kind of weather you like. August is the warmest month in Cancun, with temperatures ranging from 26ºC (79ºF) to 32ºC (90ºF).

  • January has average temperatures of between 20ºC (68ºF) and 27ºC (81ºF). Look for cheap tickets from EYW to CUN around that time if you'd rather travel in cooler conditions.

Explore more of Mexico

  • Merida is just one of the many cities in Mexico waiting to be discovered once you've taken in the sights of Cancun. Around 290 kilometres away to the west, its top attractions include Chichen Itza, cenotes y pueblos magicos, Chichen-itza Park and Nva. Chichen Itza Park.

  • If you're ready to explore another side of Mexico, consider Campeche, roughly 418 kilometres west of Cancun. Zona Arquelogica Edzna, Old City Wall and Plaza de la Independencia are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.