Cheap Flights from Flint to San Juan Luis Munoz Marin

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      Travellers and cabin class, 1 Adult, Economy

      Compare Flint to San Juan Luis Munoz Marin flight deals

      Find the cheapest month or even day of the year to fly to San Juan Luis Munoz Marin

      Book the best San Juan Luis Munoz Marin fare with no extra fees

      Flight deals from Flint to San Juan Luis Munoz Marin

      Looking for a cheap last-minute deal or the best return flight from Flint Airport to San Juan Luis Munoz Marin Airport? If you want to travel next month, return fares start from $1,112. Find the lowest prices on one-way and return tickets right here.

      Find the cheapest month to fly from Flint to San Juan Luis Munoz Marin

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Flint to San Juan Luis Munoz Marin flights are currently cheapest in September.

      Flint to San Juan: Flight information

      The things to know before you go.
      Cheapest flight found$682
      Cheapest month to flySeptember

      Finding cheap flights from Flint to San Juan Luis Munoz Marin: Frequently asked questions

      The best price we found for a return flight from Flint to San Juan Luis Munoz Marin is $682. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from Flint to San Juan Luis Munoz Marin. But we found flights with one or more stops from $682.
      As of September 2026, there are no flights flying from Flint to San Juan Luis Munoz Marin.
      The cheapest month to fly from Flint to San Juan Luis Munoz Marin is usually September.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Flint Airport to San Juan Luis Munoz Marin Airport on Wednesday, 30 September 2026.
      No airlines currently offer direct flights between Flint Airport and San Juan Luis Munoz Marin Airport. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Juan Luis Munoz Marin but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Juan is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, United offers the cheapest flight tickets to San Juan Luis Munoz Marin.

      Travelling from Flint Airport (FNT) to San Juan Luis Munoz Marin Airport (SJU): what you need to know

      • San Juan's timezone is UTC-4, making San Juan one hour ahead of Flint.

      • Your FNT to SJU flight won't wait if you're running late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

      • Travelling during a peak month such as April? School holidays and other high seasons can lead to longer lines at security. Be extra cautious and arrive up to four hours ahead of international flights and two hours before a domestic departure.

      • We make it easy to book a flight with a stopover. To see all your options for tickets from Flint Airport to San Juan Luis Munoz Marin Airport, uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to explore the city of your choice. Some great stopovers between FNT and SJU include:

        • Chicago O'Hare International Airport

        • Nashville Airport

        • Jacksonville International Airport

      Handy information about Flint Airport (FNT)

      • FNT is located at G-3425 West Bristol Road.

      • Of the flights that depart from Flint Airport, 68% touch down on time at their destination.

      • Central Flint to Flint Airport is around 16 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're driving, catching a taxi or ride-sharing.

      • You can expect a trip time of roughly 50 minutes on public transport.

      • Searching for a handy hotel near FNT? If you're catching an early flight from Flint Airport to San Juan Luis Munoz Marin Airport, these accommodation options will put you moments from your departure gate:

      Arriving at San Juan Luis Munoz Marin Airport (SJU)

      • The last thing you want is a long journey to your hotel if you're getting in late on a Flint Airport to San Juan Luis Munoz Marin Airport flight. Stay at one of these accommodation options near SJU instead:

      • Pick up a San Juan Luis Munoz Marin Airport rental car and discover San Juan and beyond with your own set of wheels. Sixt, Ace Rent a Car and U-Save are well-known companies to choose from here.

      • To get the lowest price, book your vehicle from San Juan Luis Munoz Marin Airport about two weeks before travelling.

      Getting from San Juan Luis Munoz Marin Airport (SJU) to central San Juan

      • From San Juan Luis Munoz Marin Airport, San Juan is approximately 11 kilometres away. It takes around 20 minutes to reach the centre driving.

      • Getting to the centre on public transport typically takes 1 hour.

      When to fly to San Juan Luis Munoz Marin Airport (SJU)

      • It's time to choose your travel dates for your flight from Flint Airport to San Juan Luis Munoz Marin Airport. July is the most popular month to head to San Juan. If you like a more low-key vibe, go in March.

      • The warmest month in San Juan is August, with the temperature ranging between 24ºC and 32ºC. Lock in your flights from Flint Airport to San Juan Luis Munoz Marin Airport in this month if this is the type of weather you enjoy.

      • Look for cheap tickets from FNT to SJU in February if you like cooler conditions. Temperatures are at their lowest around then, ranging between 21ºC and 28ºC on average.

      Explore more of Puerto Rico

      • You've done San Juan, now it's time to discover other corners of Puerto Rico. Journey about 10 kilometres west to Bayamon to tick off its must-visit sights. From Ron del Barrilito - Hacienda Santa Ana to Parque de las Ciencias and Parque Recreativo Río Bayamón, you'll have a full itinerary ahead.

      • Around 11 kilometres east of San Juan, Carolina is another favourite stop in Puerto Rico. Experience the best of this destination with a visit to Isla Verde Beach, Carolina Beach and Balneario Isla Verde.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.