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San Juan

$219+ Cheap flights from McAllen (MFE) to San Juan

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — SJU
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from McAllen Miller Intl to San Juan are usually found in January or November, booked 35 days in advance, depart on a Sunday or Tuesday and return on a Wednesday

Cheap flight deals from McAllen to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from McAllen (MFE) 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 July 29, 2025.

Round-trip from

$219
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$580
From McAllen Miller Intl to San Juan
Search Deals
High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 4% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from McAllen to San Juan

Cheapest flights from McAllen to San Juan
Explore the most affordable flight options available from McAllen to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/27. 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.
Tue 9/25:33 amMFE - SJU
2 stops17h 26mAmerican Airlines
Fri 9/53:55 pmSJU - MFE
2 stops19h 13mAmerican Airlines
Deal found 7/27$219
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sat 9/67:25 pmMFE - SJU
2 stops18h 19mUnited Airlines
Fri 9/121:05 amSJU - MFE
2 stops15h 57mUnited Airlines
Deal found 7/29$472
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Tue 8/122:30 pmMFE - SJU
3 stops32h 27mMultiple Airlines
Sun 8/174:12 pmSJU - MFE
2 stops25h 59mMultiple Airlines
Deal found 7/29$632

Cheapflights Fare Finder

 
Customize your flight search to find flights from McAllen 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 July 29, 2025.
Use the filters below to find and compare flights from McAllen to San Juan that are best for you.

Fly from

McAllen

Fly to

San Juan

Route

Depart

Return

Price

McAllenSan Juan

MFE - SJU

MFESJU

McAllen Miller Intl

Tue 9/2

5:33 am-11:59 pm

2 stops17h 26m

San Juan Luis Munoz Marin Intl

Fri 9/5

3:55 pm-10:08 am

2 stops19h 13m

$219

McAllenSan Juan

MFE - SJU

MFESJU

McAllen Miller Intl

Sat 9/6

7:25 pm-2:44 pm

2 stops18h 19m

San Juan Luis Munoz Marin Intl

Fri 9/12

1:05 am-4:02 pm

2 stops15h 57m

$472

McAllenSan Juan

MFE - SJU

MFESJU

McAllen Miller Intl

Tue 8/12

2:30 pm-11:57 pm

3 stops32h 27m

San Juan Luis Munoz Marin Intl

Sun 8/17

4:12 pm-5:11 pm

2 stops25h 59m

$632

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from McAllen to San Juan

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

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

Use this chart to determine the optimal time to book a round-trip flight from McAllen to San Juan. Price data was last updated on July 25, 2025.

The price you pay for your flight from McAllen to San Juan may vary depending on when you book. For the best chance of a lower fare, look to book 35 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, September is the cheapest month in which you can book a flight from McAllen to San Juan (average of $254). Flying from McAllen 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 MFE to SJU?

Find hourly flight availability from McAllen 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 July 29, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 38% on flights from McAllen to San Juan by exploring options for tickets in the afternoon.

How much does it cost to fly round-trip from McAllen 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 July 29, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from McAllen to San Juan by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,899 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,899 reviews
United Airlines
7.4
Good
8,899 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,899 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

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

    Located just 2.0 mi from the city center, McAllen Miller Intl is the airport most travelers will use when flying to San Juan from McAllen. Booking flights from Miller Intl (MFE) to San Juan should be relatively easy as there are 0 daily outbound flights to San Juan from 2 different airlines.

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

    Our cheapest airline available from McAllen to San Juan is American Airlines. Our recent data shows that you can find tickets from as low as $219 on this airline. An additional option worth looking into is United Airlines, starting at $472. American Airlines is currently priced 60% below the average price you’ll pay for this route.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from McAllen to San Juan (average of $254). Flying from McAllen 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.

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Top 2 airlines flying from McAllen to San Juan

Discover the top 2 airlines that operate flights from McAllen 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$338Average$582FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$349Average$568FlexibilityNo cancel feeOn-time71%

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