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Cancún

$145+ Cheap flights from San Juan 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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — CUN
Apr 19 — Apr 261
Sun 4/19
Sun 4/26
1 adult, Economy
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Cheap flight deals from San Juan to Cancún

Cheapest flights from San Juan to Cancún
Explore the most affordable flight options available from San Juan to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 20, 2026.

This CheapOair deal was found by Cheapflights users on 3/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/37:54 pm
SJU
-
CUN
1 stop16h 36m
Multiple Airlines
Tue 4/712:47 pm
CUN
-
SJU
1 stop10h 42m
Multiple Airlines
Deal found 3/17$295
This Frontier deal was found by Cheapflights users on 3/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:17 pm
SJU
-
CUN
1 stop15h 07m
Frontier
Mon 4/2710:34 am
CUN
-
SJU
1 stop12h 55m
Frontier
Deal found 3/20$301
This Cheapflightsfares deal was found by Cheapflights users on 3/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/107:54 pm
SJU
-
CUN
1 stop16h 36m
Spirit Airlines
Mon 4/139:12 am
CUN
-
SJU
1 stop11h 47m
Spirit Airlines
Deal found 3/15$304
This CheapOair deal was found by Cheapflights users on 3/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/107:54 pm
SJU
-
CUN
1 stop16h 36m
Multiple Airlines
Mon 4/139:12 am
CUN
-
SJU
1 stop13h 17m
Multiple Airlines
Deal found 3/16$305
This Priceline deal was found by Cheapflights users on 3/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:54 pm
SJU
-
CUN
1 stop16h 36m
Multiple Airlines
Mon 4/139:12 am
CUN
-
SJU
1 stop9h 48m
Multiple Airlines
Deal found 3/17$307
This Orbitz deal was found by Cheapflights users on 3/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/131:45 am
SJU
-
CUN
1 stop7h 27m
Multiple Airlines
Tue 4/211:52 pm
CUN
-
SJU
1 stop9h 37m
Multiple Airlines
Deal found 3/15$313
This Frontier deal was found by Cheapflights users on 3/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:17 pm
SJU
-
CUN
1 stop15h 07m
Frontier
Sun 4/2610:34 am
CUN
-
SJU
1 stop12h 55m
Frontier
Deal found 3/17$315
This Cheapflightsfares deal was found by Cheapflights users on 3/17. 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.
Mon 3/307:54 pm
SJU
-
CUN
1 stop16h 36m
Spirit Airlines
Fri 4/39:12 am
CUN
-
SJU
1 stop11h 47m
Spirit Airlines
Deal found 3/17$329
This Frontier deal was found by Cheapflights users on 3/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:17 pm
SJU
-
CUN
1 stop15h 07m
Frontier
Mon 5/410:34 am
CUN
-
SJU
1 stop12h 55m
Frontier
Deal found 3/15$335

Find flight deals from San Juan to Cancún

Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Cancún (CUN). 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 March 20, 2026.

Round-trip from

$295
(CheapOair)

One-way from

$145
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$454
From San Juan to Cancun
Search Deals
One-way flight from San Juan to Cancun
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from San Juan 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 March 20, 2026.
Use the filters below to find and compare flights from San Juan to Cancún that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanCancún

SJU - CUN

SJUCUN

San Juan Luis Munoz Marin Intl

Mon 6/15

6:17 pm-9:46 am

1 stop16h 29m

Cancun

Tue 6/23

7:01 am-4:14 pm

1 stop8h 13m

$439

San JuanCancún

SJU - CUN

SJUCUN

San Juan Luis Munoz Marin Intl

Mon 8/31

5:34 am-9:58 pm

1 stop17h 24m

Cancun

Sat 9/5

7:01 am-4:14 pm

1 stop8h 13m

$439

San JuanCancún

SJU - CUN

SJUCUN

San Juan Luis Munoz Marin Intl

Sat 7/18

6:17 pm-10:35 am

1 stop17h 18m

Cancun

Sat 7/25

7:01 am-4:14 pm

1 stop8h 13m

$439

San JuanCancún

SJU - CUN

SJUCUN

San Juan Luis Munoz Marin Intl

Thu 6/18

6:17 pm-10:33 am

1 stop17h 16m

Cancun

Tue 6/23

7:01 am-4:14 pm

1 stop8h 13m

$439

San JuanCancún

SJU - CUN

SJUCUN

San Juan Luis Munoz Marin Intl

Mon 8/3

6:17 pm-9:55 am

1 stop16h 38m

Cancun

Wed 8/12

7:01 am-4:14 pm

1 stop8h 13m

$439

San JuanCancún

SJU - CUN

SJUCUN

San Juan Luis Munoz Marin Intl

Sat 5/30

6:12 pm-10:33 am

1 stop17h 21m

Cancun

Sat 6/6

7:01 am-4:14 pm

1 stop8h 13m

$439

San JuanCancún

SJU - CUN

SJUCUN

San Juan Luis Munoz Marin Intl

Tue 6/16

6:17 pm-10:00 am

1 stop16h 43m

Cancun

Tue 6/23

7:01 am-4:14 pm

1 stop8h 13m

$439

San JuanCancún

SJU - CUN

SJUCUN

San Juan Luis Munoz Marin Intl

Mon 8/31

5:34 am-3:37 pm

1 stop11h 03m

Cancun

Fri 9/4

11:21 am-10:29 pm

1 stop10h 08m

$439
Quickest round-trip

San JuanCancún

SJU - CUN

SJUCUN

San Juan Luis Munoz Marin Intl

Tue 7/28

3:11 pm-9:58 pm

1 stop7h 47m

Cancun

Sun 8/2

10:50 am-10:29 pm

1 stop10h 39m

$449

San JuanCancún

SJU - CUN

SJUCUN

San Juan Luis Munoz Marin Intl

Thu 8/6

5:34 am-9:58 pm

1 stop17h 24m

Cancun

Mon 8/10

7:01 am-10:29 pm

1 stop14h 28m

$449

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Best time to book a flight from San Juan to Cancún

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Juan to Cancún. Price data was last updated on March 13, 2026.

Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan to Cancún. 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 San Juan to Cancún?

Currently, December is the cheapest month in which you can book a flight from San Juan to Cancún (average of $136). Flying from San Juan to Cancún in March is currently the most expensive (average of $306). 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.

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 March 20, 2026.
Peruse reviews from past customers who have flown with Southwest,Copa Airlines, andJetBlue from San Juan to Cancún to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,324 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.
Southwest
8.0
Very good
4,324 reviews
Southwest
8.0
Very good
4,324 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.
Copa Airlines
7.5
Good
1,573 reviews
Southwest
8.0
Very good
4,324 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.
JetBlue
7.2
Good
2,909 reviews
Southwest
8.0
Very good
4,324 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.
American Airlines
7.1
Good
11,488 reviews
Southwest
8.0
Very good
4,324 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.
Spirit Airlines
6.3
Okay
8,535 reviews
Southwest
8.0
Very good
4,324 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Related info for your journey

Find useful and relevant information for your journey from San Juan 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 San Juan?

    Located just 8.9 mi from the city center, Cancun is the airport most travelers will use when flying to Cancún from San Juan. Booking flights from San Juan to Cancun (CUN) should be relatively easy as there are 0 daily inbound flights from San Juan from 8 different airlines.

  • How long is the flight from San Juan to Cancún?

    Copa Airlines can get you from San Juan to Cancún in just under 16h 29m. Your travel time can differ by up to . The distance between San Juan and Cancún is about 1367 mi.

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

    Cheapflights users have booked flights from San Juan to Cancún round-trip from $128. Other airlines that can offer you cheap pricing are Arajet, from $136, and Copa Airlines, from $158. Spirit Airlines is priced at 66% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as $122 on Copa Airlines. Other airlines that offer cheap prices include JetBlue from $126 and Frontier from $126 one-way.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from San Juan to Cancún (average of $136). Flying from San Juan to Cancún in March is currently the most expensive (average of $306). 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 Cancún?

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

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from San Juan to Cancún

Discover the top 8 airlines that operate flights from San Juan 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 March 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$128Average$317FlexibilityNo cancel feeOn-time65%
ArajetCheapest$136Average$148FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$158Average$389FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$249Average$461FlexibilityNo cancel feeOn-time62%
DeltaCheapest$274Average$363FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$293Average$361FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$342Average$578FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$446Average$536FlexibilityNo cancel feeOn-time63%

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