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

Flying on Copa Airlines is currently your cheapest option to San Juan, with prices starting at $404. Additional round-trip tickets that might be worth considering are offered by Avianca and United Airlines, with the lowest prices starting at $409 and $451, respectively. Users have found that Copa Airlines is 14% 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 $145. Avianca flights start at $234 while deals on United Airlines start at $332 one-way.

What is the cheapest day to fly from Mexico City to San Juan?

Travelers seeking maximum savings on their Mexico City to San Juan flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Mexico City to San Juan?

Consider American Airlines, Avianca or Copa Airlines when booking your flight. These represent the most popular airlines when flying from Mexico City to San Juan.

What is the cheapest day to fly round-trip from Mexico City to San Juan?

Tuesday is generally a great day to depart. Flying on this day could help you save up to 59%.

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

Travelers have found it’s best to book a flight 41 days in advance to save up to 42% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 41 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Mexico City to San Juan 1-2 weeks in advance for as low as $359, or $571 for flights within the next 24 hours.

What is the cheapest month to fly from Mexico City to San Juan?

Our data shows that January tends to be the cheapest month to fly to San Juan from Mexico City. Users have commonly found prices around $472 for the month, but tickets can be as low as $274. Due to multiple factors, prepare for potentially higher prices in December.

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 4 different airlines.

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.

$145+ Flights from Mexico City to San Juan

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1. Tell us where you want to go

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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 Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Mexico City to San Juan

Round-trip from	$404 (Kiwi.com)
One-way from	$145 (CheapOair)
Popular in	December
Cheapest in	January
Average price	$484

From Mexico City Benito Juarez to San Juan

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One-way flight from Mexico City Benito Juarez to San Juan

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Highest demand for flights based on searches. 2% potential increase in price ($11 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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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 June 12, 2025.

Tue 7/152:00 amMEX - SJU

1 stop9h 00mCopa Airlines

Tue 7/292:56 pmSJU - MEX

1 stop9h 04mCopa Airlines

Deal found 6/10

$404

Mon 7/712:55 pmMEX - SJU

2 stops21h 00mAvianca

Fri 7/116:15 pmSJU - MEX

1 stop10h 50mAvianca

Deal found 6/11

$409

Mon 9/159:55 amMEX - SJU

1 stop8h 39mMultiple Airlines

Sat 9/201:15 pmSJU - MEX

1 stop15h 50mMultiple Airlines

Deal found 6/11

$411

Mon 10/137:55 amMEX - SJU

2 stops16h 39mFrontier

Mon 10/273:40 amSJU - MEX

2 stops20h 20mFrontier

Deal found 6/11

$446

Tue 9/163:25 pmMEX - SJU

2 stops21h 28mAmerican Airlines

Tue 9/234:42 pmSJU - MEX

2 stops21h 28mAmerican Airlines

Deal found 6/11

$447

Sat 7/194:40 amMEX - SJU

1 stop22h 50mUnited Airlines

Wed 8/67:45 amSJU - MEX

2 stops29h 00mUnited Airlines

Deal found 6/11

$451

Tue 10/2811:40 amMEX - SJU

1 stop8h 41mDelta

Tue 11/117:30 amSJU - MEX

2 stops17h 05mDelta

Deal found 6/11

$471

Best flights from Mexico City to San Juan
Discover carefully curated flight deals from Mexico City to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Tue 7/152:00 amMEX - SJU

1 stop9h 00mCopa Airlines

Tue 7/292:56 pmSJU - MEX

1 stop9h 04mCopa Airlines

Deal found 6/10

$404

Mon 7/712:55 pmMEX - SJU

2 stops21h 00mAvianca

Fri 7/116:15 pmSJU - MEX

1 stop10h 50mAvianca

Deal found 6/11

$409

Fri 6/2711:15 pmMEX - SJU

2 stops18h 04mMultiple Airlines

Wed 10/84:25 pmSJU - MEX

2 stops25h 00mMultiple Airlines

Deal found 6/10

$418

Sat 7/194:40 amMEX - SJU

1 stop22h 50mUnited Airlines

Wed 8/67:45 amSJU - MEX

2 stops29h 00mUnited Airlines

Deal found 6/11

$451

Wed 6/2511:05 amMEX - SJU

1 stop13h 30mFrontier

Mon 10/68:03 amSJU - MEX

2 stops15h 57mFrontier

Deal found 6/9

$456

Tue 7/159:50 amMEX - SJU

2 stops10h 33mDelta

Fri 8/16:15 amSJU - MEX

2 stops17h 30mDelta

Deal found 6/10

$472

Tue 6/245:35 amMEX - SJU

1 stop10h 30mAmerican Airlines

Wed 10/86:30 amSJU - MEX

1 stop14h 35mAmerican Airlines

Deal found 6/9

$502

Last-minute flights from Mexico City to San Juan
Discover last-minute flight deals from Mexico City to San Juan. Data last updated June 12, 2025 and is based on user searches.

Tue 6/172:00 amMEX - SJU

1 stop11h 56mCopa Airlines

Tue 7/155:46 pmSJU - MEX

1 stop8h 29mCopa Airlines

Deal found 6/11

$483

Tue 6/1712:20 pmMEX - SJU

1 stop9h 48mAmerican Airlines

Tue 10/2112:00 pmSJU - MEX

2 stops10h 34mAmerican Airlines

Deal found 6/10

$522

Tue 6/1712:15 amMEX - SJU

2 stops21h 42mAir Canada

Mon 7/141:10 amSJU - MEX

2 stops24h 05mAir Canada

Deal found 6/11

$1,618

Wed 6/1812:55 pmMEX - SJU

2 stops21h 00mAvianca

Tue 7/156:15 pmSJU - MEX

1 stop10h 50mAvianca

Deal found 6/11

$415

Wed 6/1812:55 pmMEX - SJU

2 stops21h 00mMultiple Airlines

Tue 7/153:50 pmSJU - MEX

2 stops20h 05mMultiple Airlines

Deal found 6/11

$421

Wed 6/182:15 pmMEX - SJU

1 stop28h 23mUnited Airlines

Mon 6/232:05 amSJU - MEX

1 stop15h 35mUnited Airlines

Deal found 6/10

$607

Sun 6/2211:05 amMEX - SJU

1 stop13h 30mFrontier

Tue 6/247:34 pmSJU - MEX

1 stop25h 01mFrontier

Deal found 6/11

$632

Wed 6/2511:05 amMEX - SJU

1 stop13h 30mFrontier

Mon 10/68:03 amSJU - MEX

2 stops15h 57mFrontier

Deal found 6/9

$456

Fri 6/2711:15 pmMEX - SJU

2 stops18h 04mMultiple Airlines

Wed 10/84:25 pmSJU - MEX

2 stops25h 00mMultiple Airlines

Deal found 6/10

$418

Mon 7/712:55 pmMEX - SJU

2 stops21h 00mAvianca

Fri 7/116:15 pmSJU - MEX

1 stop10h 50mAvianca

Deal found 6/11

$409

Tue 7/152:00 amMEX - SJU

1 stop9h 00mCopa Airlines

Tue 7/292:56 pmSJU - MEX

1 stop9h 04mCopa Airlines

Deal found 6/10

$404

Tue 7/159:50 amMEX - SJU

2 stops10h 33mDelta

Fri 8/16:15 amSJU - MEX

2 stops17h 30mDelta

Deal found 6/10

$472

One-way flights from Mexico City to San Juan
Search for one-way flight options from Mexico City to San Juan. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Sun 6/159:55 amMEX - SJU

1 stop8h 59mVolaris

Deal found 6/10

$145

Thu 7/312:00 pmMEX - SJU

2 stops20h 40mAvianca

Deal found 6/10

$234

Sat 7/126:20 amMEX - SJU

1 stop13h 30mMultiple Airlines

Deal found 6/11

$290

Thu 7/104:40 pmMEX - SJU

2 stops29h 14mUnited Airlines

Deal found 6/11

$332

Cheapflights Fare Finder

Use the filters below to find and compare flights from Mexico City to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Tue 7/15

2:00 am-1:00 pm

1 stop9h 00m

San Juan Luis Munoz Marin Intl

Tue 7/29

2:56 pm-10:00 pm

1 stop9h 04m

$404

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Mon 7/7

12:55 pm-11:55 am

2 stops21h 00m

San Juan Luis Munoz Marin Intl

Fri 7/11

6:15 pm-3:05 am

1 stop10h 50m

$409

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Fri 6/27

11:15 pm-7:19 pm

2 stops18h 04m

San Juan Luis Munoz Marin Intl

Wed 10/8

4:25 pm-3:25 pm

2 stops25h 00m

$418

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Sat 7/19

4:40 am-5:30 am

1 stop22h 50m

San Juan Luis Munoz Marin Intl

Wed 8/6

7:45 am-10:45 am

2 stops29h 00m

$451

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Wed 6/25

11:05 am-2:35 am

1 stop13h 30m

San Juan Luis Munoz Marin Intl

Mon 10/6

8:03 am-10:00 pm

2 stops15h 57m

$456

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Tue 7/15

9:50 am-10:23 pm

2 stops10h 33m

San Juan Luis Munoz Marin Intl

Fri 8/1

6:15 am-9:45 pm

2 stops17h 30m

$472

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Tue 6/24

5:35 am-6:05 pm

1 stop10h 30m

San Juan Luis Munoz Marin Intl

Wed 10/8

6:30 am-7:05 pm

1 stop14h 35m

$502

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Sun 6/15

9:55 am-8:54 pm

1 stop8h 59m

$145

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Thu 7/31

2:00 pm-12:40 pm

2 stops20h 40m

$234

Mexico CitySan Juan

MEX - SJU

MEXSJU

Mexico City Benito Juarez

Sat 7/12

6:20 am-9:50 pm

1 stop13h 30m

$290

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 11 results

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?

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?

It’s typically best to fly out from Mexico City to San Juan in the afternoon. Doing so could potentially save you 28% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in San Juan 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

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

To help decide which airline to fly from Mexico City to San Juan, see what other customers have to say about Delta, Copa Airlines and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,950 reviews

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.

Delta

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 reviews

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.

Copa Airlines

7.5

Good

1,451 reviews

Delta

8.0

Very good

7,950 reviews

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.

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,950 reviews

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.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,950 reviews

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.

Avianca

6.7

Okay

2,345 reviews

Delta

8.0

Very good

7,950 reviews

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

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 4 different airlines.
What are the cheapest airlines flying from Mexico City to San Juan round-trip?
Flying on Copa Airlines is currently your cheapest option to San Juan, with prices starting at $404. Additional round-trip tickets that might be worth considering are offered by Avianca and United Airlines, with the lowest prices starting at $409 and $451, respectively. Users have found that Copa Airlines is 14% 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 $145. Avianca flights start at $234 while deals on United Airlines start at $332 one-way.
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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Mexico City to San Juan

Mexico City to Luis Munoz Marin Intl flights

Complete your trip

San Juan car rentals

San Juan Luis Munoz Marin Intl Airport car rentals

Ponce Mercedita Airport car rentals

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Vieques Airport car rentals

Aguadilla car rentals

Ponce car rentals

Condado car rentals

Santurce car rentals

Hato Rey Sur car rentals

San Juan Antiguo car rentals

Hato Rey Norte car rentals

Top 4 airlines flying from Mexico City to San Juan

Airline	Cheapest	Average	Flexibility	On-time
Copa Airlines	Cheapest$281	Average$505	FlexibilityNo cancel fee	On-time70%
Avianca	Cheapest$336	Average$458	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$466	Average$550	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$527	Average$618	FlexibilityNo cancel fee	On-time71%

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$145+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Mexico City to San Juan with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Mexico City to San Juan

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Mexico City to San Juan

Cheapest flights from Mexico City to San JuanExplore 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 June 12, 2025.

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 June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Mexico City to San Juan that are best for you.

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.

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 June 9, 2025.

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

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 June 12, 2025.

Rainfall in San Juan by month

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

Temperature in San Juan by month

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

Reviews of airlines servicing San Juan

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?

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

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

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

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

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

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

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 4 airlines flying from Mexico City to San Juan

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Travel Smart

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 June 12, 2025.