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$90+ Cheap flights from Key Largo, FL to Cancún (CUN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — CUN
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to Cancun are usually found in May or September, booked 81 days in advance, depart on a Monday or Wednesday and return on a Friday

Cheap flight deals from Key Largo to Cancún

Keep the following information in mind while searching for Key Largo to Cancún flight deals. Data was last updated April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$220
(Cheapflightsfares)

One-way from

$90
(Kiwi.com)

Popular in

November

Cheapest in

May

Average price

$340
Provider with most accurate pricing for Miami-Cancun flight deals.
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Provider most trusted by Cheapflights users for Miami-Cancun flights.
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From Key Largo to Cancun
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One-way flight from Key Largo to Cancun
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Highest demand for flights based on searches. 4% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Key Largo to Cancún

Cheapest flights from Key Largo to Cancún
Explore the most affordable flight options available from Key Largo to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/306:00 amMIA - CUN
Nonstop1h 59mFrontier
Mon 6/28:04 amCUN - MIA
Nonstop1h 51mFrontier
Deal found 4/17$220
This oojo deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/37:05 pmMIA - CUN
1 stop7h 29mAeromexico
Tue 6/101:15 pmCUN - MIA
Nonstop1h 44mAeromexico
Deal found 4/17$235
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/46:00 amMIA - CUN
1 stop9h 08mMultiple Airlines
Fri 8/88:04 amCUN - MIA
Nonstop1h 42mMultiple Airlines
Deal found 4/16$244
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/68:35 amMIA - CUN
Nonstop1h 55mAmerican Airlines
Sat 5/1012:44 pmCUN - MIA
Nonstop1h 50mAmerican Airlines
Deal found 4/17$247
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/111:00 amMIA - CUN
Nonstop2h 00mDelta
Tue 7/291:15 pmCUN - MIA
Nonstop1h 45mDelta
Deal found 4/16$256
This eDestinos deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/215:02 pmMIA - CUN
1 stop10h 31mVolaris
Wed 5/284:25 amCUN - MIA
1 stop9h 41mVolaris
Deal found 4/17$299
This Mytrip deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/108:52 pmMIA - CUN
1 stop15h 47mSpirit Airlines
Sat 5/1712:39 pmCUN - MIA
1 stop19h 26mSpirit Airlines
Deal found 4/16$308
This Mytrip deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/182:09 pmMIA - CUN
1 stop7h 46mArajet
Tue 4/2210:05 amCUN - MIA
1 stop6h 50mArajet
Deal found 4/15$352

Cheapflights Fare Finder

Customize your flight search to find flights from Key Largo to Cancún that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2025.
Use the filters below to find and compare flights from Key Largo to Cancún that are best for you.

Fly from

Key Largo

Fly to

Cancún

Route

Depart

Return

Price

MiamiCancún

MIA - CUN

MIACUN

Miami

Fri 5/30

6:00 am-6:59 am

Nonstop1h 59m

Cancun

Mon 6/2

8:04 am-10:55 am

Nonstop1h 51m

$220

MiamiCancún

MIA - CUN

MIACUN

Miami

Tue 6/3

7:05 pm-1:34 am

1 stop7h 29m

Cancun

Tue 6/10

1:15 pm-3:59 pm

Nonstop1h 44m

$235

MiamiCancún

MIA - CUN

MIACUN

Miami

Tue 5/6

8:35 am-9:30 am

Nonstop1h 55m

Cancun

Sat 5/10

12:44 pm-3:34 pm

Nonstop1h 50m

$247

MiamiCancún

MIA - CUN

MIACUN

Miami

Tue 7/1

9:30 am-6:30 pm

1 stop10h 00m

Cancun

Tue 7/29

1:15 pm-4:00 pm

Nonstop1h 45m

$256

MiamiCancún

MIA - CUN

MIACUN

Miami

Mon 5/5

8:59 pm-9:34 am

1 stop13h 35m

Cancun

Thu 5/8

2:31 pm-5:24 pm

Nonstop1h 53m

$258

MiamiCancún

MIA - CUN

MIACUN

Miami

Wed 5/21

5:02 pm-2:33 am

1 stop10h 31m

Cancun

Wed 5/28

4:25 am-3:06 pm

1 stop9h 41m

$299

MiamiCancún

MIA - CUN

MIACUN

Miami

Sat 5/10

8:52 pm-11:39 am

1 stop15h 47m

Cancun

Sat 5/17

12:39 pm-9:05 am

1 stop19h 26m

$308

MiamiCancún

MIA - CUN

MIACUN

Miami

Sun 5/18

1:57 pm-2:59 pm

Nonstop2h 02m

$98

MiamiCancún

MIA - CUN

MIACUN

Miami

Tue 6/17

6:15 am-12:58 pm

1 stop7h 43m

$102

MiamiCancún

MIA - CUN

MIACUN

Miami

Tue 6/24

5:30 am-10:00 am

1 stop5h 30m

$114

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 20 results
1
2

Best time to book a flight from Key Largo to Cancún

Have a flexible travel schedule? Discover the best time to fly to Cancún from Key Largo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Key Largo to Cancún

How far ahead should I book a flight from Key Largo to Cancún?

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Cancún. Price data was last updated on April 11, 2025.

The best time to book flights from Key Largo to Cancún is 81 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Key Largo to Cancún?

Currently, January is the cheapest month in which you can book a flight from Key Largo to Cancún (average of $360). Flying from Key Largo to Cancún in March is currently the most expensive (average of $492). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KE9 to CUN?

Find hourly flight availability from Key Largo to Cancún. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Key Largo to Cancún as you normally would.

What is the cheapest day to fly from Key Largo to Cancún?

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Cancún. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Key Largo to Cancún flight should consider departing on Saturday evenings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Key Largo to Cancún

Explore weekly flight availability from Key Largo to Cancún. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 17, 2025.

The most flights from KE9 to CUN are scheduled on a Thursday (9 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Cancún by month

Plan your trip to Cancún by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cancún ranges from 1.1 - 11.1 inches per month. October is typically the wettest month, when rainfall can reach 11.1 in. April is typically the driest time to visit Cancún when rainfall is around 1.1 in.

Temperature in Cancún by month

Plan your trip to Cancún by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cancún, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 75.2 F).

Reviews of airlines servicing Cancún

Get insights into the airlines that provide service to Cancún. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cancún. Reviews last updated April 17, 2025.
Read through reviews of airlines operating flights from Key Largo to Cancún, such as Southwest, Delta and Aeromexico. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Overall

8.0

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,280 reviews
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Overall

8.0

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,917 reviews
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Overall

8.0

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Aeromexico
7.5
Good
1,699 reviews
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Overall

8.0

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Overall

8.0

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Air Canada
7.0
Good
9,142 reviews
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Overall

8.0

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Cancún. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Cancún from Key Largo?

    For a flight from Key Largo to Cancún, you will be flying into Cancun. Cancun (CUN) is just 8.9 mi from the center of the city. Cancun is the only Cancún airport and it handles 6 inbound flights from Key Largo per day. 9 airlines have flights to Cancun from Key Largo on a regular basis.

  • How popular is this Key Largo to Cancún flight route?

    The Key Largo to Cancun flight path was viewed by 23 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Key Largo to Cancún one-way?

    To fly one-way, consider booking your trip with Viva, which is currently one of the cheapest options available, starting at $90. Frontier flights start at $98 while deals on Spirit Airlines start at $102 one-way.

  • What are the most reliable airlines from Key Largo to Cancún?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Key Largo to Cancún on time: Delta (88%), Aeromexico (88%), LATAM Airlines (78%).

  • What are the cheapest flights from Key Largo to Cancún?

    Looking for the cheapest flight from Key Largo to Cancún? While on average our users pay $335, our data indicates the cheapest price to be $98. The most popular route (Miami - Cancun), is priced around $233.

  • Can I find deals for flights from Key Largo to Cancún that include hotel bookings?

    Yes. In addition to deals on Key Largo to Cancún flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Key Largo to Cancún?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key Largo to Cancún.

  • Can I find deals for business class flights from Key Largo to Cancún?

    Yes. Cheapflights offers flight deals from Key Largo to Cancún by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Key Largo to Cancún?

    Currently, January is the cheapest month in which you can book a flight from Key Largo to Cancún (average of $360). Flying from Key Largo to Cancún in March is currently the most expensive (average of $492). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Key Largo?

Book flights to Key Largo if you plan to visit one of these locations
Puerto Aventuras
Punta Sam
Holbox

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Alternative routes for Key Largo to Cancún

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Key Largo to Cancún

Discover the top 9 airlines that operate flights from Key Largo to Cancún. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$104Average$204FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$119Average$282FlexibilityNo cancel feeOn-time65%
AeromexicoCheapest$171Average$365FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$185Average$377FlexibilityNo cancel feeOn-time62%
VivaCheapest$200Average$288FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$242Average$381FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$252Average$460FlexibilityNo cancel feeOn-time71%
VolarisCheapest$257Average$337FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$460Average$572FlexibilityNo cancel feeOn-time69%

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