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Luis Munoz Marin Intl

$184+ Cheap flights from Flint (FNT) to Luis Munoz Marin Intl (SJU)

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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — SJU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Flint to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Flint (FNT) to Luis Munoz Marin Intl (SJU). 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 June 12, 2025.

Round-trip from

$350
(United Airlines)

One-way from

$184
(Mytrip)

Popular in

October

Cheapest in

May

Average price

$545
From Flint Bishop to San Juan Luis Munoz Marin Intl
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One-way flight from Flint Bishop to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 18% potential increase in price ($140 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($30 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 Flint to Luis Munoz Marin Intl

Cheapest flights from Flint to Luis Munoz Marin Intl
Explore the most affordable flight options available from Flint to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 8/92:10 pmFNT - SJU
1 stop9h 44mUnited Airlines
Fri 8/221:05 amSJU - FNT
2 stops12h 20mUnited Airlines
Deal found 6/11$350
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/66:00 amFNT - SJU
2 stops37h 19mMultiple Airlines
Fri 7/112:40 amSJU - FNT
3 stops31h 21mMultiple Airlines
Deal found 6/11$399
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 7/96:49 pmFNT - SJU
2 stops27h 06mAmerican Airlines
Mon 7/147:54 amSJU - FNT
2 stops10h 24mAmerican Airlines
Deal found 6/9$495

Cheapflights Fare Finder

Customize your flight search to find flights from Flint to Luis Munoz Marin Intl 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 June 12, 2025.
Use the filters below to find and compare flights from Flint to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Flint

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

FlintSan Juan

FNT - SJU

FNTSJU

Flint Bishop

Sat 8/9

2:10 pm-11:54 pm

1 stop9h 44m

San Juan Luis Munoz Marin Intl

Fri 8/22

1:05 am-1:25 pm

2 stops12h 20m

$350

FlintSan Juan

FNT - SJU

FNTSJU

Flint Bishop

Sun 7/6

6:00 am-7:19 pm

2 stops37h 19m

San Juan Luis Munoz Marin Intl

Fri 7/11

2:40 am-10:01 am

3 stops31h 21m

$399

FlintSan Juan

FNT - SJU

FNTSJU

Flint Bishop

Wed 7/9

6:49 pm-9:55 pm

2 stops27h 06m

San Juan Luis Munoz Marin Intl

Mon 7/14

7:54 am-6:18 pm

2 stops10h 24m

$495

FlintSan Juan

FNT - SJU

FNTSJU

Flint Bishop

Thu 7/17

6:00 am-9:09 pm

2 stops15h 09m

$184

FlintSan Juan

FNT - SJU

FNTSJU

Flint Bishop

Thu 7/17

4:46 pm-11:54 pm

1 stop7h 08m

$235

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Flint to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Flint 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 Flint to San Juan Luis Munoz Marin Intl Airport

What is the cheapest month to book a flight from Flint to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Flint to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Flint to San Juan Luis Munoz Marin Intl Airport 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.

Rainfall in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl Airport when rainfall is around 2.2 in.

Temperature in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, 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 Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated June 12, 2025.
See what other customers who have flown with United Airlines and American Airlines from Flint to San Juan have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.0

Boarding

7.7

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
8,790 reviews
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.0

Boarding

7.7

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
8,790 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.0

Boarding

7.7

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 Flint to Luis Munoz Marin Intl. 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 Flint to San Juan Luis Munoz Marin Intl?

    For a flight from Flint to San Juan Luis Munoz Marin Intl, you will be flying from Bishop. Flint Bishop (FNT) is just 4.3 mi from the center of the city. Bishop is the only Flint airport and it handles 0 outbound flights to San Juan Luis Munoz Marin Intl per day. 2 airlines have flights to San Juan Luis Munoz Marin Intl from Flint Bishop on a regular basis.

  • What are the cheapest airlines flying from Flint to San Juan Luis Munoz Marin Intl Airport round-trip?

    United Airlines, at $350, was found to be the cheapest airline from Flint to San Juan Luis Munoz Marin Intl Airport. An alternate airline flying to your destination would be American Airlines. United Airlines is 44% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Flint to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Flint to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Flint to Luis Munoz Marin Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Flint to Luis Munoz Marin Intl.

  • Can I find deals for business class flights from Flint to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Flint to Luis Munoz Marin Intl 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 Flint to San Juan Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Flint to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Flint to San Juan Luis Munoz Marin Intl Airport 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

Traveling to a place near Flint?

Book flights to Flint if you plan to visit one of these locations
Dorado
Fajardo
Luquillo
Rio Grande
Humacao
Bayamón

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Top 2 airlines flying from Flint to Luis Munoz Marin Intl

Discover the top 2 airlines that operate flights from Flint to Luis Munoz Marin Intl. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$359Average$549FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$463Average$674FlexibilityNo cancel feeOn-time69%

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