CUN - SJU

$145 Find Cheap Flights from Cancun to San Juan

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Cancún to San Juan departing on 3/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to San Juan Luis Munoz Marin Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Cancún to San Juan, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Cancún to San Juan, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$309
Overall average: $265
Frontier
Mon 5/4Fri 5/8
CUN - SJU • 1 stop
Cheapest one-way
$144
Typical prices: $183-$266
Arajet
Sat 3/14
CUN - SJU • 1 stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
JetBlue offers free Wi-Fi and live TV on all flights.
Frontier's Premium Bundle includes priority boarding.
Expert advice
Expert advice
Expert advice
Expert advice
Avoid delays
JetBlue
Most punctual • 73% on-time
Afternoon flights
Best time • Fewest delays
Insights
Insights
Insights
Insights
When to book
2 weeks
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 31% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
January
Cheapest • 18% price drop
September
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to San Juan!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Cancún to San Juan (CUN-SJU)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Cancún to San Juan that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Cancún to San Juan

Mon, May 4 - Fri, May 8
Frontier Logo
10:34 am - 12:29 am
CUN
-
SJU
12h 55m
1 stop
Frontier Logo
3:08 am - 1:26 pm
SJU
-
CUN
11h 18m
1 stop
$309Frontier
Sat, Apr 18 - Sat, Apr 25
Arajet Logo
12:35 pm - 7:45 pm
CUN
-
SJU
6h 10m
1 stop
Arajet Logo
8:38 pm - 1:32 pm
SJU
-
CUN
17h 54m
1 stop
$320Arajet
Thu, Apr 2 - Thu, Apr 9
Spirit Airlines Logo
9:12 am - 9:59 pm
CUN
-
SJU
11h 47m
1 stop
Spirit Airlines Logo
7:54 pm - 11:30 am
SJU
-
CUN
16h 36m
1 stop
$340Spirit Airlines
Mon, Mar 16 - Fri, Mar 20
Copa Airlines Logo
2:00 pm - 4:09 pm
CUN
-
SJU
25h 09m
1 stop
Copa Airlines Logo
6:14 pm - 10:01 pm
SJU
-
CUN
28h 47m
1 stop
$354Copa Airlines
Mon, Apr 20 - Mon, Apr 27
Copa Airlines Logo
7:04 am - 4:09 pm
CUN
-
SJU
8h 05m
1 stop
Copa Airlines Logo
6:12 pm - 10:00 am
SJU
-
CUN
16h 48m
1 stop
$365Copa Airlines
Mon, May 4 - Fri, May 8
Frontier Logo
10:34 am - 9:54 am
CUN
-
SJU
22h 20m
2 stops
Frontier Logo
3:08 am - 1:26 pm
SJU
-
CUN
11h 18m
1 stop
$376Frontier
Fri, Apr 17 - Fri, Apr 24
Frontier Logo
10:34 am - 12:29 am
CUN
-
SJU
12h 55m
1 stop
Frontier Logo
7:17 pm - 9:24 am
SJU
-
CUN
15h 07m
1 stop
$382Frontier
Fri, Mar 20 - Sat, Mar 28
Arajet Logo
5:49 pm - 7:55 pm
CUN
-
SJU
25h 06m
1 stop
Arajet Logo
9:25 pm - 1:32 pm
SJU
-
CUN
17h 07m
1 stop
$384Arajet
Sat, Apr 18 - Sat, Apr 25
Multiple Airlines Logo
12:35 pm - 7:45 pm
CUN
-
SJU
6h 10m
1 stop
Multiple Airlines Logo
11:30 am - 10:38 am
SJU
-
CUN
24h 08m
2 stops
$387Multiple Airlines
Mon, Apr 20 - Mon, Apr 27
Spirit Airlines Logo
9:32 am - 11:10 pm
CUN
-
SJU
12h 38m
1 stop
Spirit Airlines Logo
5:45 am - 2:50 pm
SJU
-
CUN
10h 05m
1 stop
$395Spirit Airlines
Booking Insights

KAYAK's insights & trends for Cancún to San Juan flights

Get data-powered insights and trends into flights from Cancún to San Juan to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Cancún to San Juan Luis Munoz Marin Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Cancún to San Juan Luis Munoz Marin Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Cancún to San Juan Luis Munoz Marin Intl Airport is January, where tickets cost $263 (return) on average. On the other hand, the most expensive months are February and November, where the average cost of round-trip tickets is $410 and $395 respectively.

Can I save money by flying with a layover from Cancún to San Juan Luis Munoz Marin Intl Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $367, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Cancún to San Juan Luis Munoz Marin Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Cancún to San Juan Luis Munoz Marin Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Cancún to San Juan Luis Munoz Marin Intl Airport, you should book around 2 weeks before departure, which saves you about 31% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Find deals
Expert advice

Expert advice for your flight from Cancún to San Juan

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Frontier

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more
Harriet Baskas

Harriet Baskas

Expert on JetBlue

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Brandon Schultz

Brandon Schultz

Expert on CUN

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on SJU

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more

Good to know

Low seasonJanuary
Cheapest flight$144
Best time to beat the crowds with an average 18% drop in price.
Flight from Cancun to San Juan

When to book flights from Cancún to San Juan

Are your dates flexible? Find out the best times to travel from Cancún to San Juan based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Cancun to San Juan flights

  • What is the cheapest flight from Cancún to San Juan Luis Munoz Marin Intl Airport?

    In the last 3 days, the lowest price for a flight from Cancún to San Juan Luis Munoz Marin Intl Airport was $144 for a one-way ticket and $309 for a round-trip.

  • Do I need a passport to fly between Cancun and San Juan?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Cancun and on arrival in San Juan.

  • Which airports will I be using when flying from Cancun to San Juan?

    Cancun and San Juan are both served by 1 main airport. You will leave Cancun from Cancun and will be arriving at San Juan Luis Munoz Marin Intl.

  • Which aircraft models fly most regularly from Cancun to San Juan?

    The Airbus A320-100/200 is the aircraft model that flies most regularly on the Cancun to San Juan flight route.

  • How does KAYAK find such low prices on flights from Cancun to San Juan?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Cancun to San Juan.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Cancun to San Juan?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Juan from Cancun is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Cancun to San Juan?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Juan with an airline and back to Cancun with another airline. Booking your flights between Cancun and SJU can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Cancun to San Juan?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Juan from Cancun up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Cancún to San Juan

Information on your arrival and departure airports

Cancun (CUN)
Luis Munoz Marin Intl (SJU)