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$123+ Cheap flights from Cancún (CUN) to San Juan

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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SJU
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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The best prices from Cancun to San Juan are usually found in January or February, booked 40 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Cancún to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Cancún (CUN) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 22, 2024.

Round-trip from

$199
(JetBlue)

One-way from

$123
(Priceline)

Popular in

December

Cheapest in

January

Average price

$404
From Cancun to San Juan
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One-way flight from Cancun to San Juan
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High demand for flights, 7% potential price rise
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Best time to find cheap flights, 5% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Cancún to San Juan

Cheapest flights from Cancún to San Juan
Explore the most affordable flight options available from Cancún to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

This JetBlue deal was found by Cheapflights users on 12/21. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2511:55 amCUN - SJU
Nonstop3h 12mJetBlue
Wed 1/18:23 amSJU - CUN
Nonstop3h 32mJetBlue
Deal found 12/21$362
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/226:30 amCUN - SJU
1 stop13h 56mUnited Airlines
Wed 12/257:45 amSJU - CUN
1 stop9h 14mUnited Airlines
Deal found 12/21$425
This Kiwi.com deal was found by Cheapflights users on 12/21. 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.
Wed 12/252:00 pmCUN - SJU
1 stop7h 40mCopa Airlines
Wed 1/15:46 pmSJU - CUN
1 stop28h 55mCopa Airlines
Deal found 12/21$439
This Kiwi.com deal was found by Cheapflights users on 12/21. 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.
Wed 12/254:40 pmCUN - SJU
2 stops24h 58mMultiple Airlines
Wed 1/15:46 pmSJU - CUN
1 stop28h 55mMultiple Airlines
Deal found 12/21$483
This Mytrip deal was found by Cheapflights users on 12/21. 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.
Wed 12/2511:55 amCUN - SJU
2 stops20h 52mSpirit Airlines
Tue 12/312:32 amSJU - CUN
3 stops34h 46mSpirit Airlines
Deal found 12/21$666
This American Airlines deal was found by Cheapflights users on 12/21. 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.
Wed 12/258:45 amCUN - SJU
2 stops13h 25mAmerican Airlines
Wed 1/15:18 amSJU - CUN
2 stops12h 05mAmerican Airlines
Deal found 12/21$677
This Delta deal was found by Cheapflights users on 12/21. 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.
Fri 12/278:15 amCUN - SJU
1 stop8h 00mDelta
Sun 1/53:45 amSJU - CUN
2 stops13h 45mDelta
Deal found 12/21$983
This Alaska Airlines deal was found by Cheapflights users on 12/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/269:00 amCUN - SJU
3 stops35h 35mAlaska Airlines
Mon 1/66:25 amSJU - CUN
3 stops33h 27mAlaska Airlines
Deal found 12/21$5,122

Find flights from Cancún to San Juan within your budget

Customize your flight search to find flights from Cancún to San Juan 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 December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Wed 1/22

12:10 pm-4:22 pm

Nonstop3h 12m

San Juan Luis Munoz Marin Intl

Wed 2/5

8:38 am-11:10 am

Nonstop3h 32m

$199

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Tue 4/15

2:03 pm-10:37 pm

1 stop7h 34m

San Juan Luis Munoz Marin Intl

Sun 4/27

5:20 am-9:59 pm

1 stop17h 39m

$234

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sat 1/11

11:50 am-10:50 am

1 stop22h 00m

San Juan Luis Munoz Marin Intl

Fri 1/17

7:12 pm-9:01 am

2 stops38h 49m

$280

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Tue 2/4

1:16 pm-12:48 am

2 stops10h 32m

San Juan Luis Munoz Marin Intl

Tue 2/11

2:22 pm-9:41 pm

1 stop8h 19m

$303

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Tue 2/4

1:16 pm-3:58 pm

2 stops25h 42m

San Juan Luis Munoz Marin Intl

Tue 2/11

8:40 pm-11:41 am

2 stops16h 01m

$328

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Tue 4/15

7:51 am-8:38 pm

1 stop11h 47m

San Juan Luis Munoz Marin Intl

Tue 4/22

7:45 am-12:33 pm

2 stops29h 48m

$356

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Thu 5/22

12:45 pm-11:30 pm

1 stop9h 45m

San Juan Luis Munoz Marin Intl

Thu 5/29

5:35 am-9:00 pm

2 stops16h 25m

$553

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Wed 1/22

9:24 am-11:46 pm

2 stops13h 22m

San Juan Luis Munoz Marin Intl

Wed 2/5

7:00 am-9:05 pm

2 stops15h 05m

$664

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Sat 1/11

6:00 pm-12:25 pm

2 stops17h 25m

San Juan Luis Munoz Marin Intl

Fri 1/17

1:50 pm-1:10 pm

3 stops24h 20m

$930

CancúnSan Juan

CUN - SJU

CUNSJU

Cancun

Tue 2/4

10:30 pm-9:28 pm

2 stops21h 58m

San Juan Luis Munoz Marin Intl

Mon 2/10

2:05 am-9:35 pm

2 stops20h 30m

$1,103

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 22 results
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Best time to book a flight from Cancún to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Cancún 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.

Travel insights for flights from Cancún to San Juan

Get recent, data-driven insights about flights from Cancún to San Juan including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Cancún to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Cancún to San Juan. Price data was last updated on December 20, 2024.

Booking 8 days in advance of your planned departure date is, on average, the best time to get cheap flights from Cancún to San Juan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Cancún to San Juan?

Currently, September is the cheapest month in which you can book a flight from Cancún to San Juan (average of $254). Flying from Cancún to San Juan in March is currently the most expensive (average of $380). 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 CUN to SJU?

Find hourly flight availability from Cancún to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2024.

It’s optimal to fly from Cancún to San Juan at noon. By choosing this option you can save up to 4% on the cost of your flight, compared to a flight in the afternoon.

Rainfall in San Juan by month

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

In terms of precipitation, rainfall in San Juan ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan when rainfall is around 2.2 in.

Temperature in San Juan by month

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

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated December 22, 2024.
Get a feel of what it's like to fly with Copa Airlines, Delta and Alaska Airlines from Cancún to San Juan by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,804 reviews

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,804 reviews
Southwest
8.1
Very good
4,804 reviews

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,537 reviews
Southwest
8.1
Very good
4,804 reviews

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,597 reviews
Southwest
8.1
Very good
4,804 reviews

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Copa Airlines
7.7
Good
1,713 reviews
Southwest
8.1
Very good
4,804 reviews

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

JetBlue
7.4
Good
3,265 reviews
Southwest
8.1
Very good
4,804 reviews

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Cancún to San Juan. 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 from for flights from Cancún to San Juan?

    Located just 8.9 mi from the city center, Cancun is the airport most travelers will use when flying to San Juan from Cancún. Booking flights from Cancun (CUN) to San Juan should be relatively easy as there are 0 daily outbound flights to San Juan from 3 different airlines.

  • What are the cheapest airlines flying from Cancún to San Juan round-trip?

    JetBlue, at $199, was found to be the cheapest airline from Cancún to San Juan.Alternate airlines to your destination round-trip include Copa Airlines and Frontier. Users have found that JetBlue is 25% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Cancún to San Juan one-way?

    $123 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Copa Airlines and JetBlue, with prices starting from $127 and $131, respectively.

  • What are the cheapest flights from Cancún to San Juan?

    The cheapest flight price from Cancún to San Juan is $136. On average you can expect to pay $283. The most popular route, (Cancun - San Juan Luis Munoz Marin Intl), can usually be booked for $197.

  • Can I find deals for flights from Cancún to San Juan that include hotel bookings?

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

  • How can I find direct flights from Cancún to San Juan?

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

  • Can I find deals for business class flights from Cancún to San Juan?

    Yes. Cheapflights offers flight deals from Cancún to San Juan 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 Cancún to San Juan?

    Currently, September is the cheapest month in which you can book a flight from Cancún to San Juan (average of $254). Flying from Cancún to San Juan in March is currently the most expensive (average of $380). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Cancún to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
Cancún to Luis Munoz Marin Intl flights

Top 3 airlines flying from Cancún to San Juan

Discover the top 3 airlines that operate flights from Cancún to San Juan. 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 December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$169Average$315FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$184Average$351FlexibilityNo cancel feeOn-time62%
FrontierCheapest$189Average$308FlexibilityNo cancel feeOn-time62%
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