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$248+ Cheap flights from McAllen (MFE) 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — SJU
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 October, 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 September 11, 2025.

Round-trip from

$362
(American Airlines)

One-way from

$248
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$648
From McAllen Miller Intl to San Juan
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One-way flight from McAllen Miller Intl to San Juan
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Highest demand for flights based on searches. 2% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/11. 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 10/13:29 pmMFE - SJU
2 stops18h 42mAmerican Airlines
Tue 10/77:00 amSJU - MFE
2 stops12h 40mAmerican Airlines
Deal found 9/11$362
This American Airlines deal was found by Cheapflights users on 9/11. 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 12/47:21 pmMFE - SJU
1 stop7h 58mAmerican Airlines
Tue 12/96:42 pmSJU - MFE
2 stops17h 58mAmerican Airlines
Deal found 9/11$387
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/16:55 amMFE - SJU
2 stops16h 02mUnited Airlines
Tue 10/72:55 pmSJU - MFE
1 stop8h 02mUnited Airlines
Deal found 9/10$416
This American Airlines deal was found by Cheapflights users on 9/10. 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 11/2611:12 amMFE - SJU
2 stops11h 32mAmerican Airlines
Mon 12/86:42 pmSJU - MFE
2 stops17h 58mAmerican Airlines
Deal found 9/10$431
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 11/15:31 pmMFE - SJU
2 stops17h 34mAmerican Airlines
Mon 11/103:51 pmSJU - MFE
1 stop19h 11mAmerican Airlines
Deal found 9/9$445
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 10/312:59 pmMFE - SJU
2 stops19h 07mAmerican Airlines
Mon 11/36:42 pmSJU - MFE
2 stops18h 00mAmerican Airlines
Deal found 9/11$458
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/85:27 amMFE - SJU
1 stop7h 58mAmerican Airlines
Tue 10/145:00 pmSJU - MFE
2 stops17h 51mAmerican Airlines
Deal found 9/10$471
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 9/295:00 amMFE - SJU
1 stop8h 15mAmerican Airlines
Mon 9/297:05 pmSJU - MFE
2 stops20h 56mAmerican Airlines
Deal found 9/10$491

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 September 11, 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

Thu 12/4

7:21 pm-5:19 am

1 stop7h 58m

San Juan Luis Munoz Marin Intl

Tue 12/9

6:42 pm-10:40 am

2 stops17h 58m

$387

McAllenSan Juan

MFE - SJU

MFESJU

McAllen Miller Intl

Wed 10/1

6:55 am-11:57 pm

2 stops16h 02m

San Juan Luis Munoz Marin Intl

Tue 10/7

2:55 pm-9:57 pm

1 stop8h 02m

$416

McAllenSan Juan

MFE - SJU

MFESJU

McAllen Miller Intl

Wed 11/26

11:12 am-12:44 am

2 stops11h 32m

San Juan Luis Munoz Marin Intl

Mon 12/8

6:42 pm-10:40 am

2 stops17h 58m

$431

McAllenSan Juan

MFE - SJU

MFESJU

McAllen Miller Intl

Sat 11/1

5:31 pm-12:05 pm

2 stops17h 34m

San Juan Luis Munoz Marin Intl

Mon 11/10

3:51 pm-9:02 am

1 stop19h 11m

$445

McAllenSan Juan

MFE - SJU

MFESJU

McAllen Miller Intl

Fri 10/31

2:59 pm-11:06 am

2 stops19h 07m

San Juan Luis Munoz Marin Intl

Mon 11/3

3:51 pm-9:02 am

1 stop19h 11m

$458

McAllenSan Juan

MFE - SJU

MFESJU

McAllen Miller Intl

Wed 10/8

5:27 am-2:25 pm

1 stop7h 58m

San Juan Luis Munoz Marin Intl

Tue 10/14

5:00 pm-9:51 am

2 stops17h 51m

$471

McAllenSan Juan

MFE - SJU

MFESJU

McAllen Miller Intl

Mon 9/29

5:00 am-2:15 pm

1 stop8h 15m

San Juan Luis Munoz Marin Intl

Mon 9/29

7:05 pm-3:01 pm

2 stops20h 56m

$491

McAllenSan Juan

MFE - SJU

MFESJU

McAllen Miller Intl

Mon 9/29

5:00 am-2:15 pm

1 stop8h 15m

$248

McAllenSan Juan

MFE - SJU

MFESJU

McAllen Miller Intl

Tue 9/16

7:00 am-11:57 pm

2 stops15h 57m

$333

McAllenSan Juan

MFE - SJU

MFESJU

McAllen Miller Intl

Tue 9/16

3:49 pm-8:56 pm

3 stops28h 07m

$451

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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 August 29, 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 September 11, 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.

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 September 11, 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
8,937 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

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
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

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
8,937 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

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.

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

    American Airlines and United Airlines can get you from McAllen to San Juan in just under 7h 58m. Your travel time can differ by up to 8h 04m. McAllen and San Juan are separated by a distance of 2121 mi. This flight may include one or multiple stops.

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

    Our cheapest airline available from McAllen to San Juan is United Airlines. Our recent data shows that you can find tickets from as low as $345 on this airline. An additional option worth looking into is American Airlines, starting at $354. United Airlines is currently priced 38% 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.

See more FAQs

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$345Average$601FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$354Average$571FlexibilityNo cancel feeOn-time71%

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