San Juan

$251+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — SJU
Aug 6 — Aug 131
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Cheapflights Tip: The best prices from Mexico City Benito Juarez to San Juan are usually found in January or October, booked 86 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap 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 August 1, 2025.

Round-trip from

$323
(Avianca)

One-way from

$265
(Priceline)

Popular in

December

Cheapest in

January

Average price

$499
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. 2% potential increase in price ($12 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in August 2025

Find 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 August 1, 2025.

This Avianca deal was found by Cheapflights users on 8/1. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/225:00 amMEX - SJU
1 stop8h 00mAvianca
Fri 8/292:10 pmSJU - MEX
2 stops14h 55mAvianca
Deal found 8/1$323
This Trip.com deal was found by Cheapflights users on 8/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/259:55 amMEX - SJU
1 stop8h 07mMultiple Airlines
Sun 8/316:15 pmSJU - MEX
1 stop19h 50mMultiple Airlines
Deal found 8/1$381
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/64:40 amMEX - SJU
1 stop13h 58mUnited Airlines
Thu 10/27:00 amSJU - MEX
1 stop12h 50mUnited Airlines
Deal found 7/30$410
This Frontier deal was found by Cheapflights users on 8/1. 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.
Sat 9/276:30 pmMEX - SJU
2 stops17h 41mFrontier
Tue 9/303:39 amSJU - MEX
2 stops20h 21mFrontier
Deal found 8/1$471
This American Airlines deal was found by Cheapflights users on 7/30. 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 8/65:35 amMEX - SJU
1 stop10h 40mAmerican Airlines
Sun 8/177:05 pmSJU - MEX
1 stop16h 50mAmerican Airlines
Deal found 7/30$479
This Copa Airlines deal was found by Cheapflights users on 7/30. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/182:00 amMEX - SJU
1 stop8h 59mCopa Airlines
Tue 8/265:48 pmSJU - MEX
1 stop9h 12mCopa Airlines
Deal found 7/30$491

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 August 1, 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 8/22

5:00 am-3:00 pm

1 stop8h 00m

San Juan Luis Munoz Marin Intl

Fri 8/29

2:10 pm-3:05 am

2 stops14h 55m

$323

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Mon 8/25

9:55 am-8:02 pm

1 stop8h 07m

San Juan Luis Munoz Marin Intl

Sun 8/31

6:15 pm-12:05 pm

1 stop19h 50m

$381

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Wed 8/6

9:35 am-8:38 pm

1 stop9h 03m

San Juan Luis Munoz Marin Intl

Fri 10/3

3:56 pm-3:40 pm

2 stops25h 44m

$410

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Sun 8/17

9:55 am-11:59 pm

1 stop12h 04m

San Juan Luis Munoz Marin Intl

Sat 8/23

3:59 am-10:00 pm

2 stops20h 01m

$462

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Wed 8/6

5:35 am-6:15 pm

1 stop10h 40m

San Juan Luis Munoz Marin Intl

Fri 8/8

6:00 am-1:00 pm

1 stop9h 00m

$479

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Thu 8/14

2:00 am-10:19 pm

1 stop18h 19m

San Juan Luis Munoz Marin Intl

Tue 8/19

2:22 pm-12:15 am

1 stop11h 53m

$492

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Wed 10/29

12:00 pm-6:55 pm

Nonstop4h 55m

San Juan Luis Munoz Marin Intl

Fri 11/14

7:30 am-3:15 pm

1 stop9h 45m

$522

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Tue 8/12

6:20 am-9:50 pm

1 stop13h 30m

$251

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Mon 8/11

12:40 am-11:55 am

1 stop9h 15m

$265

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Wed 10/29

2:20 pm-12:17 pm

2 stops19h 57m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 13 results
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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 July 25, 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, September is the cheapest month in which you can book a flight from Mexico City to San Juan (average of $254). Flying from Mexico City to San Juan in June is currently the most expensive (average of $339). 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 August 1, 2025.

It’s typically best to fly out from Mexico City to San Juan in the afternoon. Doing so could potentially save you 18% 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 August 1, 2025.
See what other customers who have flown with Delta, Copa Airlines, and United Airlines 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.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2023

GSO - LGA

Entire process from checking bags to flight to landing to luggage retrieval was very smooth.
8.0
Very good
8.0
Very good

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2023

GSO - LGA

Entire process from checking bags to flight to landing to luggage retrieval was very smooth.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2023

GSO - LGA

Entire process from checking bags to flight to landing to luggage retrieval was very smooth.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2023

GSO - LGA

Entire process from checking bags to flight to landing to luggage retrieval was very smooth.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2023

GSO - LGA

Entire process from checking bags to flight to landing to luggage retrieval was very smooth.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2023

GSO - LGA

Entire process from checking bags to flight to landing to luggage retrieval was very smooth.

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.

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

    Flying on Avianca is currently your cheapest option to San Juan, with prices starting at $323. Additional round-trip tickets that might be worth considering are offered by United Airlines and Frontier, with the lowest prices starting at $448 and $462, respectively. Users have found that Avianca is 31% 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 Avianca, which is currently one of the cheapest options available, starting at $265. American Airlines flights start at $282 while deals on United Airlines start at $298 one-way.

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

    The cheapest flight price from Mexico City to San Juan is $567. On average you can expect to pay $597. The most popular route, (Mexico City Benito Juarez - San Juan Luis Munoz Marin Intl), can usually be booked for $447.

  • 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, September is the cheapest month in which you can book a flight from Mexico City to San Juan (average of $254). Flying from Mexico City to San Juan in June is currently the most expensive (average of $339). 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

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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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$280Average$456FlexibilityNo cancel feeOn-time70%
ArajetCheapest$297Average$372FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$336Average$458FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$386Average$523FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$527Average$618FlexibilityNo cancel feeOn-time71%

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