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San Juan

$148+ Cheap flights from Flint, MI (FNT) 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — SJU
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Flint to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Flint (FNT) 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

$315
(American Airlines)

One-way from

$148
(American Airlines)

Popular in

March

Cheapest in

November
From Flint Bishop to San Juan
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One-way flight from Flint Bishop to San Juan
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Highest demand for flights based on searches. 13% potential increase in price ($87 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Find flight deals from Flint to San Juan

Cheapest flights from Flint to San Juan
Explore the most affordable flight options available from Flint to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/244:43 pmFNT - SJU
2 stops22h 59mUnited Airlines
Tue 10/287:10 amSJU - FNT
1 stop8h 57mUnited Airlines
Deal found 9/9$475
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:00 amFNT - SJU
1 stop7h 44mUnited Airlines
Thu 9/251:05 amSJU - FNT
2 stops12h 21mUnited Airlines
Deal found 9/9$529
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/14:42 pmFNT - SJU
2 stops20h 35mUnited Airlines
Sat 11/88:10 amSJU - FNT
1 stop8h 57mUnited Airlines
Deal found 9/9$595
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:00 amFNT - SJU
2 stops14h 22mUnited Airlines
Mon 12/158:30 amSJU - FNT
2 stops15h 00mUnited Airlines
Deal found 9/9$695
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.
Thu 12/188:21 pmFNT - SJU
1 stop7h 43mAmerican Airlines
Thu 12/2510:26 amSJU - FNT
2 stops10h 21mAmerican Airlines
Deal found 9/9$700

Cheapflights Fare Finder

 
Customize your flight search to find flights from Flint 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 Flint to San Juan that are best for you.

Fly from

Flint

Fly to

San Juan

Route

Depart

Return

Price

FlintSan Juan

FNT - SJU

FNTSJU

Flint Bishop

Tue 3/10

6:58 am-1:35 pm

1 stop6h 37m

San Juan Luis Munoz Marin Intl

Wed 3/11

1:45 pm-3:17 pm

2 stops25h 32m

$468

FlintSan Juan

FNT - SJU

FNTSJU

Flint Bishop

Fri 10/24

4:43 pm-3:42 pm

2 stops22h 59m

San Juan Luis Munoz Marin Intl

Tue 10/28

7:10 am-4:07 pm

1 stop8h 57m

$475

FlintSan Juan

FNT - SJU

FNTSJU

Flint Bishop

Mon 2/16

3:41 pm-4:55 am

2 stops12h 14m

San Juan Luis Munoz Marin Intl

Tue 2/24

4:50 pm-3:18 pm

2 stops23h 28m

$528

FlintSan Juan

FNT - SJU

FNTSJU

Flint Bishop

Tue 9/23

7:00 am-2:44 pm

1 stop7h 44m

San Juan Luis Munoz Marin Intl

Thu 9/25

1:05 am-1:26 pm

2 stops12h 21m

$529

FlintSan Juan

FNT - SJU

FNTSJU

Flint Bishop

Tue 3/10

7:30 am-8:43 pm

2 stops13h 13m

San Juan Luis Munoz Marin Intl

Tue 3/10

1:05 am-4:13 pm

2 stops15h 08m

$550

FlintSan Juan

FNT - SJU

FNTSJU

Flint Bishop

Tue 11/18

6:00 am-11:52 pm

2 stops16h 52m

$148

FlintSan Juan

FNT - SJU

FNTSJU

Flint Bishop

Wed 11/19

7:17 pm-4:19 pm

2 stops20h 02m

$148

FlintSan Juan

FNT - SJU

FNTSJU

Flint Bishop

Thu 11/20

5:30 am-11:52 pm

2 stops17h 22m

$154

FlintSan Juan

FNT - SJU

FNTSJU

Flint Bishop

Wed 11/19

11:00 am-11:19 pm

1 stop11h 19m

$189

FlintSan Juan

FNT - SJU

FNTSJU

Flint Bishop

Sat 11/22

7:50 pm-11:52 pm

2 stops27h 02m

$204

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 15 results
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Best time to book a flight from Flint to San Juan

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

What is the cheapest month to book a flight from Flint, Michigan to San Juan?

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

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.
Read reviews from past customers who have flown United Airlines and American Airlines from Flint to San Juan. 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
8,937 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 Flint 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 Flint to San Juan?

    Located just 4.3 mi from the city center, Flint Bishop is the airport most travelers will use when flying to San Juan from Flint. Booking flights from Bishop (FNT) 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 Flint, Michigan to San Juan?

    There are many flights that can get you from Flint, Michigan to San Juan in 6h 37m. Fly via American Airlines or United Airlines to get the fastest option. Airlines will cover a distance of 1985 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Flint, Michigan to San Juan round-trip?

    Cheapflights users have booked flights from Flint, Michigan to San Juan round-trip from $320. Another airline that can offer you cheap pricing is United Airlines. American Airlines is priced at 41% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Flint 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 Flint, Michigan to San Juan?

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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Flint to San Juan

Discover the top 2 airlines that operate flights from Flint 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
American AirlinesCheapest$320Average$462FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$463Average$688FlexibilityNo cancel feeOn-time69%

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