San Juan

$203+ Cheap flights from Mexico City (MEX) 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — SJU
Jan 22 — Jan 291
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Mexico City to San Juan with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Mexico City Benito Juarez to San Juan are usually found in May or January, booked 86 days in advance, depart on a Thursday or Wednesday and return on a Thursday

Cheap flight deals from Mexico City to San Juan

Cheapest flights from Mexico City to San Juan
Explore the most affordable flight options available from Mexico City to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

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.
Wed 12/2412:25 pmMEX - SJU
1 stop15h 46mUnited Airlines
Wed 12/317:45 amSJU - MEX
1 stop11h 00mUnited Airlines
Deal found 12/21$538
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.
Thu 12/255:45 amMEX - SJU
1 stop13h 41mUnited Airlines
Sat 12/277:45 amSJU - MEX
1 stop28h 20mUnited Airlines
Deal found 12/21$615
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Tue 12/235:45 pmMEX - SJU
1 stop25h 41mUnited Airlines
Mon 12/2910:15 amSJU - MEX
1 stop8h 30mUnited Airlines
Deal found 12/22$644
This Delta deal was found by Cheapflights users on 12/22. 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.
Wed 12/247:05 amMEX - SJU
1 stop8h 25mDelta
Wed 12/317:30 amSJU - MEX
2 stops12h 30mDelta
Deal found 12/22$658
This Kiwi.com deal was found by Cheapflights users on 12/22. 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.
Thu 12/251:10 pmMEX - SJU
1 stop7h 15mMultiple Airlines
Sat 12/276:14 pmSJU - MEX
2 stops22h 16mMultiple Airlines
Deal found 12/22$667
This Kiwi.com deal was found by Cheapflights users on 12/22. 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.
Fri 12/263:30 pmMEX - SJU
1 stop22h 41mMultiple Airlines
Sun 12/288:15 amSJU - MEX
2 stops18h 45mMultiple Airlines
Deal found 12/22$730
This American Airlines deal was found by Cheapflights users on 12/22. 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.
Thu 12/255:30 amMEX - SJU
1 stop10h 36mAmerican Airlines
Sat 12/276:44 amSJU - MEX
1 stop14h 51mAmerican Airlines
Deal found 12/22$731
This Frontier deal was found by Cheapflights users on 12/22. 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.
Tue 12/303:45 pmMEX - SJU
2 stops15h 38mFrontier
Thu 1/17:00 amSJU - MEX
2 stops17h 30mFrontier
Deal found 12/22$789
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Tue 12/307:50 amMEX - SJU
1 stop20h 21mUnited Airlines
Thu 1/17:45 amSJU - MEX
1 stop13h 10mUnited Airlines
Deal found 12/22$800

Find flight deals from Mexico City to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Mexico City (MEX) 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 23, 2025.

Round-trip from

$357
(CheapOair)

One-way from

$203
(CheapOair)

Popular in

December

Cheapest in

May

Average price

$620
From Mexico City Benito Juarez to San Juan
One-way flight from Mexico City Benito Juarez to San Juan
Highest demand for flights based on searches. 9% potential increase in price ($54 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Mexico City 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 23, 2025.
Use the filters below to find and compare flights from Mexico City to San Juan that are best for you.

Fly from

Mexico City

Fly to

San Juan

Route

Depart

Return

Price

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Fri 1/16

10:20 pm-7:55 pm

2 stops19h 35m

San Juan Luis Munoz Marin Intl

Sat 1/24

6:00 am-10:00 pm

2 stops18h 00m

$433

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Wed 1/14

1:10 pm-10:28 pm

1 stop7h 18m

San Juan Luis Munoz Marin Intl

Mon 1/19

5:37 am-10:05 pm

1 stop18h 28m

$451

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Mon 2/9

5:55 am-4:10 pm

1 stop8h 15m

San Juan Luis Munoz Marin Intl

Mon 2/23

5:37 am-10:05 pm

1 stop18h 28m

$453

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Fri 3/20

1:20 am-4:09 pm

1 stop12h 49m

San Juan Luis Munoz Marin Intl

Thu 3/26

6:14 pm-12:15 am

1 stop8h 01m

$453

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Wed 2/4

9:25 am-10:32 pm

1 stop11h 07m

San Juan Luis Munoz Marin Intl

Mon 2/16

5:37 am-10:05 pm

1 stop18h 28m

$453

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Sat 2/14

1:20 am-4:10 pm

1 stop12h 50m

San Juan Luis Munoz Marin Intl

Sat 2/28

5:37 am-10:00 pm

1 stop18h 23m

$453

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Fri 2/6

1:20 am-4:10 pm

1 stop12h 50m

San Juan Luis Munoz Marin Intl

Sat 2/21

5:37 am-10:00 pm

1 stop18h 23m

$453

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Sun 1/11

10:05 am-9:37 pm

1 stop9h 32m

$203

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Wed 1/21

7:20 pm-11:33 pm

2 stops26h 13m

$226

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Tue 1/20

10:40 pm-11:33 pm

3 stops46h 53m

$238

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 15 results
1
2

Best time to book a flight from Mexico City to San Juan

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

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

Use this chart to determine the optimal time to book a round-trip flight from Mexico City to San Juan. Price data was last updated on December 19, 2025.

The best time to book flights from Mexico City to San Juan is 86 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 Mexico City to San Juan?

Currently, May is the cheapest month in which you can book a flight from Mexico City to San Juan (average of $152). Flying from Mexico City to San Juan in April is currently the most expensive (average of $354). 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 MEX to SJU?

Find hourly flight availability from Mexico City 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 23, 2025.

It’s typically best to fly out from Mexico City to San Juan in the afternoon. Doing so could potentially save you 39% on the flight price compared to flying in the morning, which is usually more expensive.

How much does it cost to fly round-trip from Mexico City to San Juan?

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 23, 2025.
See what other customers who have flown with Copa Airlines, United Airlines, and Aeromexico from Mexico City to San Juan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.8

Crew

8.1

Comfort

7.4

Food

6.8

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Maria,Dec 2025

PTY - SLA

Old plain no entertainment , no outlet for cell or computer! And online they said you have all that! Almost 6 hrs looking to the floor..terrible expirencw and I pay a lot of money for it

Boarding

7.8

Crew

8.1

Comfort

7.4

Food

6.8

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Maria,Dec 2025

PTY - SLA

Old plain no entertainment , no outlet for cell or computer! And online they said you have all that! Almost 6 hrs looking to the floor..terrible expirencw and I pay a lot of money for it

Boarding

7.8

Crew

8.1

Comfort

7.4

Food

6.8

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Maria,Dec 2025

PTY - SLA

Old plain no entertainment , no outlet for cell or computer! And online they said you have all that! Almost 6 hrs looking to the floor..terrible expirencw and I pay a lot of money for it

Boarding

7.8

Crew

8.1

Comfort

7.4

Food

6.8

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Maria,Dec 2025

PTY - SLA

Old plain no entertainment , no outlet for cell or computer! And online they said you have all that! Almost 6 hrs looking to the floor..terrible expirencw and I pay a lot of money for it

Boarding

7.8

Crew

8.1

Comfort

7.4

Food

6.8

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Maria,Dec 2025

PTY - SLA

Old plain no entertainment , no outlet for cell or computer! And online they said you have all that! Almost 6 hrs looking to the floor..terrible expirencw and I pay a lot of money for it

Related info for your journey

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

    Located just 5.5 mi from the city center, Mexico City Benito Juarez is the airport most travelers will use when flying to San Juan from Mexico City. Booking flights from Benito Juarez (MEX) to San Juan should be relatively easy as there are 0 daily outbound flights to San Juan from 5 different airlines.

  • How long is the flight from Mexico City to San Juan?

    Copa Airlines can get you from Mexico City to San Juan in just under 7h 18m. Your travel time can differ by up to . There are 2157 mi between Mexico City and San Juan.

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

    Flying on Arajet is currently your cheapest option to San Juan, with prices starting at $297. Additional round-trip tickets that might be worth considering are offered by Copa Airlines and United Airlines, with the lowest prices starting at $301 and $346, respectively. Users have found that Arajet is 39% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with Volaris, which is currently one of the cheapest options available, starting at $97. Copa Airlines flights start at $170 while deals on Avianca start at $210 one-way.

  • What are the cheapest flights from Mexico City to San Juan?

    The cheapest flight price from Mexico City to San Juan is $346. On average you can expect to pay $347. The most popular route, (Mexico City Benito Juarez - San Juan Luis Munoz Marin Intl), can usually be booked for $320.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Mexico City 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 Mexico City to San Juan?

    Currently, May is the cheapest month in which you can book a flight from Mexico City to San Juan (average of $152). Flying from Mexico City to San Juan in April is currently the most expensive (average of $354). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Mexico City to San Juan

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Mexico City to San Juan

Discover the top 5 airlines that operate flights from Mexico City 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 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
ArajetCheapest$297Average$372FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$301Average$526FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$346Average$488FlexibilityNo cancel feeOn-time69%
AviancaCheapest$351Average$448FlexibilityNo cancel feeOn-time71%
AeromexicoCheapest$481Average$597FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.