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San Juan

$268+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — SJU
Aug 10 — Aug 171
Mon 8/10
Mon 8/17
1 adult, Economy
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Cheap 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 11, 2026.

This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:00 am
MFE
-
SJU
1 stop7h 42m
United Airlines
Fri 9/252:55 pm
SJU
-
MFE
1 stop8h 03m
United Airlines
Deal found 7/9$268
This United Airlines deal was found by Cheapflights users on 7/7. 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 8/2712:00 pm
MFE
-
SJU
1 stop7h 38m
United Airlines
Thu 9/37:00 am
SJU
-
MFE
1 stop9h 59m
United Airlines
Deal found 7/7$297
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:00 pm
MFE
-
SJU
1 stop7h 38m
United Airlines
Tue 9/17:00 am
SJU
-
MFE
1 stop7h 27m
United Airlines
Deal found 7/9$299
This United Airlines deal was found by Cheapflights users on 7/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:40 am
MFE
-
SJU
1 stop9h 58m
United Airlines
Tue 9/17:00 am
SJU
-
MFE
1 stop7h 27m
United Airlines
Deal found 7/11$329
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:00 am
MFE
-
SJU
1 stop7h 42m
United Airlines
Sat 9/52:55 pm
SJU
-
MFE
1 stop8h 04m
United Airlines
Deal found 7/9$330
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:19 am
MFE
-
SJU
1 stop8h 53m
United Airlines
Mon 9/147:00 am
SJU
-
MFE
1 stop7h 27m
United Airlines
Deal found 7/9$340
This Delta deal was found by Cheapflights users on 7/7. 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.
Thu 8/275:20 am
MFE
-
SJU
2 stops16h 09m
Delta
Thu 9/37:00 am
SJU
-
MFE
2 stops17h 59m
Delta
Deal found 7/7$347
This American Airlines deal was found by Cheapflights users on 7/9. 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 8/295:45 am
MFE
-
SJU
1 stop8h 09m
American Airlines
Sat 9/56:00 am
SJU
-
MFE
2 stops12h 23m
American Airlines
Deal found 7/9$355
This United Airlines deal was found by Cheapflights users on 7/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/119:40 am
MFE
-
SJU
1 stop9h 58m
United Airlines
Thu 10/152:55 pm
SJU
-
MFE
1 stop8h 03m
United Airlines
Deal found 7/11$361
This United Airlines deal was found by Cheapflights users on 7/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:00 am
MFE
-
SJU
1 stop7h 42m
United Airlines
Mon 9/141:00 am
SJU
-
MFE
2 stops13h 27m
United Airlines
Deal found 7/11$362
This United Airlines deal was found by Cheapflights users on 7/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:15 pm
MFE
-
SJU
1 stop7h 23m
United Airlines
Tue 9/292:55 pm
SJU
-
MFE
1 stop8h 03m
United Airlines
Deal found 7/11$391
This American Airlines deal was found by Cheapflights users on 7/9. 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.
Thu 9/107:49 pm
MFE
-
SJU
1 stop17h 56m
American Airlines
Tue 9/152:58 pm
SJU
-
MFE
2 stops20h 35m
American Airlines
Deal found 7/9$394

Find 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 11, 2026.

Round-trip from

$268
(United Airlines)

Popular in

March

Cheapest in

February

Average price

$713
From McAllen Miller Intl to San Juan
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($58 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 11, 2026.
Use the filters below to find and compare flights from McAllen to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

McAllenSan Juan

MFE - SJU

MFESJU

McAllen Miller Intl

Fri 9/25

12:15 pm-8:38 pm

1 stop7h 23m

San Juan Luis Munoz Marin Intl

Tue 9/29

2:55 pm-9:58 pm

1 stop8h 03m

$391

McAllenSan Juan

MFE - SJU

MFESJU

McAllen Miller Intl

Sat 8/29

7:00 am-3:42 pm

1 stop7h 42m

San Juan Luis Munoz Marin Intl

Sat 9/5

2:55 pm-9:59 pm

1 stop8h 04m

$420

McAllenSan Juan

MFE - SJU

MFESJU

McAllen Miller Intl

Sat 10/17

7:57 pm-3:23 pm

1 stop18h 26m

San Juan Luis Munoz Marin Intl

Wed 10/21

6:00 am-7:26 pm

1 stop14h 26m

$430
Quickest round-trip

McAllenSan Juan

MFE - SJU

MFESJU

McAllen Miller Intl

Thu 9/17

12:00 pm-8:38 pm

1 stop7h 38m

San Juan Luis Munoz Marin Intl

Mon 9/21

7:00 am-1:27 pm

1 stop7h 27m

$443

McAllenSan Juan

MFE - SJU

MFESJU

McAllen Miller Intl

Sun 11/1

7:00 am-4:36 pm

1 stop7h 36m

San Juan Luis Munoz Marin Intl

Fri 11/13

2:05 am-4:02 pm

2 stops15h 57m

$444

McAllenSan Juan

MFE - SJU

MFESJU

McAllen Miller Intl

Sun 10/11

7:00 am-3:42 pm

1 stop7h 42m

San Juan Luis Munoz Marin Intl

Sun 10/18

2:55 pm-9:58 pm

1 stop8h 03m

$484

McAllenSan Juan

MFE - SJU

MFESJU

McAllen Miller Intl

Mon 10/5

7:00 am-3:42 pm

1 stop7h 42m

San Juan Luis Munoz Marin Intl

Wed 10/7

2:55 pm-9:58 pm

1 stop8h 03m

$487

McAllenSan Juan

MFE - SJU

MFESJU

McAllen Miller Intl

Thu 8/27

12:00 pm-8:38 pm

1 stop7h 38m

San Juan Luis Munoz Marin Intl

Sun 8/30

7:00 am-3:59 pm

1 stop9h 59m

$491
Cheapest one-way
Quickest one-way

McAllenSan Juan

MFE - SJU

MFESJU

McAllen Miller Intl

Mon 7/20

8:04 pm-4:39 am

1 stop7h 35m

$281

McAllenSan Juan

MFE - SJU

MFESJU

McAllen Miller Intl

Mon 7/20

8:43 am-12:41 am

3 stops38h 58m

$713

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Sorted by cheapest first

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

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

Currently, January is the cheapest month in which you can book a flight from McAllen to San Juan (average of $239). Flying from McAllen to San Juan in March is currently the most expensive (average of $884). 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.

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 11, 2026.
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
9,976 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.7

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,976 reviews
United Airlines
7.4
Good
9,976 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.7

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,806 reviews
United Airlines
7.4
Good
9,976 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.7

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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?

    United Airlines can get you from McAllen to San Juan in just under 7h 23m. Your travel time can differ by up to . McAllen and San Juan are separated by a distance of 2121 mi.

  • 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 $267 on this airline. An additional option worth looking into is American Airlines, starting at $301. United Airlines is currently priced 58% 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, January is the cheapest month in which you can book a flight from McAllen to San Juan (average of $239). Flying from McAllen to San Juan in March is currently the most expensive (average of $884). 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

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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 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$267Average$621FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$301Average$530FlexibilityNo cancel feeOn-time71%

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