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Luis Munoz Marin Intl

$118+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — SJU
Jan 13 — Jan 201
Tue 1/13
Tue 1/20
1 adult, Economy
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Cheap 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 December 14, 2025.

This United Airlines deal was found by Cheapflights users on 12/13. 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 12/187:00 amFNT - SJU
2 stops13h 26mUnited Airlines
Thu 12/2510:15 amSJU - FNT
2 stops13h 15mUnited Airlines
Deal found 12/13$662
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/284:10 pmFNT - SJU
2 stops37h 24mMultiple Airlines
Thu 1/15:23 pmSJU - FNT
1 stop29h 02mMultiple Airlines
Deal found 12/12$777
This American Airlines deal was found by Cheapflights users on 12/12. 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.
Sun 12/288:05 pmFNT - SJU
2 stops16h 49mAmerican Airlines
Thu 1/16:18 amSJU - FNT
2 stops17h 49mAmerican Airlines
Deal found 12/12$835
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Mon 12/294:26 pmFNT - SJU
1 stop27h 34mUnited Airlines
Tue 12/302:05 amSJU - FNT
2 stops14h 46mUnited Airlines
Deal found 12/11$842
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Tue 12/234:26 pmFNT - SJU
2 stops28h 00mUnited Airlines
Wed 12/318:10 amSJU - FNT
1 stop8h 41mUnited Airlines
Deal found 12/11$897
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Mon 12/297:00 amFNT - SJU
1 stop13h 00mUnited Airlines
Tue 12/308:10 amSJU - FNT
1 stop8h 41mUnited Airlines
Deal found 12/11$980
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Wed 12/247:00 amFNT - SJU
2 stops22h 11mUnited Airlines
Wed 12/318:10 amSJU - FNT
1 stop8h 41mUnited Airlines
Deal found 12/11$983
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/278:00 amFNT - SJU
1 stop17h 12mMultiple Airlines
Fri 1/24:55 pmSJU - FNT
2 stops30h 26mMultiple Airlines
Deal found 12/12$985
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Mon 12/294:26 pmFNT - SJU
1 stop27h 34mUnited Airlines
Thu 1/17:45 amSJU - FNT
2 stops15h 45mUnited Airlines
Deal found 12/11$987

Find 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 December 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$235
(United Airlines)

One-way from

$118
(American Airlines)

Popular in

March

Cheapest in

January

Average price

$455
Provider with most accurate pricing for Flint Bishop-San Juan Luis Munoz Marin Intl flight deals.
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Provider most trusted by Cheapflights users for Flint Bishop-San Juan Luis Munoz Marin Intl flights.
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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. 17% potential increase in price ($123 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 14, 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

Sun 1/18

7:00 am-9:26 pm

2 stops13h 26m

San Juan Luis Munoz Marin Intl

Sat 1/24

8:35 am-5:09 pm

1 stop9h 34m

$235

FlintSan Juan

FNT - SJU

FNTSJU

Flint Bishop

Tue 2/24

7:28 pm-4:52 pm

2 stops20h 24m

San Juan Luis Munoz Marin Intl

Tue 3/3

8:30 am-6:52 pm

2 stops11h 22m

$313

FlintSan Juan

FNT - SJU

FNTSJU

Flint Bishop

Sat 2/28

7:32 pm-1:57 pm

2 stops17h 25m

San Juan Luis Munoz Marin Intl

Sun 3/8

5:00 am-10:59 pm

2 stops17h 59m

$430

FlintSan Juan

FNT - SJU

FNTSJU

Flint Bishop

Mon 2/2

7:00 am-3:40 pm

1 stop7h 40m

San Juan Luis Munoz Marin Intl

Thu 2/5

8:35 am-5:09 pm

1 stop9h 34m

$465

FlintSan Juan

FNT - SJU

FNTSJU

Flint Bishop

Fri 1/2

5:49 am-11:59 pm

2 stops17h 10m

San Juan Luis Munoz Marin Intl

Sat 1/10

6:00 am-11:26 pm

2 stops18h 26m

$477

FlintSan Juan

FNT - SJU

FNTSJU

Flint Bishop

Sun 3/15

7:30 pm-2:45 pm

2 stops19h 15m

San Juan Luis Munoz Marin Intl

Sun 3/22

5:30 am-10:59 pm

1 stop17h 29m

$505

FlintSan Juan

FNT - SJU

FNTSJU

Flint Bishop

Fri 3/6

7:32 pm-3:46 pm

2 stops19h 14m

San Juan Luis Munoz Marin Intl

Fri 3/13

5:30 am-6:58 pm

1 stop13h 28m

$513

FlintSan Juan

FNT - SJU

FNTSJU

Flint Bishop

Fri 1/30

7:26 pm-3:48 pm

2 stops19h 22m

$118

FlintSan Juan

FNT - SJU

FNTSJU

Flint Bishop

Sun 2/15

6:05 pm-6:11 am

2 stops11h 06m

$236

FlintSan Juan

FNT - SJU

FNTSJU

Flint Bishop

Fri 1/30

3:32 pm-5:50 pm

3 stops25h 18m

$238

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Showing 1-10 of 11 results
1
2

Compare providers for flights from Flint to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Flint to Luis Munoz Marin Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Flint-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Flint-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Flint-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Flint-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Flint-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, August is the cheapest month in which you can book a flight from Flint to San Juan Luis Munoz Marin Intl Airport (average of $132). Flying from Flint to San Juan Luis Munoz Marin Intl Airport in April is currently the most expensive (average of $212). 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.

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 December 14, 2025.
See what other customers who have flown with United Airlines and American Airlines from Flint to San Juan Luis Munoz Marin Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,094 reviews

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,094 reviews
United Airlines
7.4
Good
9,094 reviews

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,054 reviews
United Airlines
7.4
Good
9,094 reviews

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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.

  • How long is the flight from Flint to San Juan Luis Munoz Marin Intl Airport?

    United Airlines and American Airlines can get you from Flint to San Juan Luis Munoz Marin Intl Airport in just under 7h 14m. Your travel time can differ by up to 6h 12m. Flint and San Juan Luis Munoz Marin Intl Airport are separated by a distance of 1985 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    American Airlines, at $320, 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 United Airlines. American 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, August is the cheapest month in which you can book a flight from Flint to San Juan Luis Munoz Marin Intl Airport (average of $132). Flying from Flint to San Juan Luis Munoz Marin Intl Airport in April is currently the most expensive (average of $212). 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 San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Dorado
Fajardo
Rio Grande
Humacao
Luquillo
Bayamón

Browse thousands of different options on Cheapflights for your next trip

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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 December 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$320Average$582FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$463Average$638FlexibilityNo cancel feeOn-time69%

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