Cheap flights from Key West to Cancún from $456
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Key West to Cancún departing on 4/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Key West to Cancún
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Cancún?
The cheapest day to depart from Key West to Cancún is on a Monday when prices can be found for as low as $439. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $580. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cancún.
What is the cheapest time of day to depart on your flight to Cancún?
Our most recent data shows that the best time of day to fly to Cancún is at noon. Flights from Key West to Cancún during this time can be as low as $505. Flights to Cancún are more costly in the morning, with an average ticket price of $546. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
When to book flights from Key West to Cancún
Cheap Key West to Cancún (EYW to CUN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Key West to Cancún
How far is Key West to Cancun by plane?
Key West and Cancun are 396.6 mi apart from one another. A reasonable flight in good conditions will take 3h 35m.
When did momondo last update prices for flights from Key West Airport to Cancun Airport?
Prices for flights from Key West Airport to Cancun Airport refresh daily.
How many operators does momondo search for flights from Key West Airport to Cancun Airport?
As of April 2025, there is 1 operator available to choose from for flights from Key West Airport to Cancun Airport.
How old do you have to be to fly from Key West Airport to Cancun Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Key West Airport to Cancun Airport.
What documentation or ID do you need to fly to Cancun Airport?
The travel and health documents you'll need for your trip to Cancun Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cancun Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Key West to Cancún?
Based on momondo bookings for flights between Key West and Cancún, the leading airline is American Airlines, making up 100% of the total bookings.
Best airlines flying from Key West to Cancún
Compare and see reviews for airlines that fly from Key West to Cancún with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $439 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near Cancún?
Book flights to Cancún if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Key West to Cancún?
It is quick and easy to find Key West to Cancún flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Cancún that suits you.
Can I find flights from Key West to Cancún with flexible booking policies on momondo?
Flights from Key West to Cancún with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Key West to Cancún?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Key West to Cancún.
I’m not ready to book a flight from Key West to Cancún right now. Can momondo alert me if prices change?
Price alerts on flights to Cancún from Key West are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.