Cheap Flights from Dayton International to San Juan Luis Munoz Marin

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      Travellers and cabin class, 1 Adult, Economy

      Compare Dayton International 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 Dayton International to San Juan Luis Munoz Marin

      Looking for a cheap last-minute deal or the best return flight from Dayton International Airport to San Juan Luis Munoz Marin Airport? If you want to travel next month, return fares start from R 5,439. Find the lowest prices on one-way and return tickets right here.

      Find the cheapest month to fly from Dayton International 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 Dayton International to San Juan Luis Munoz Marin flights are currently cheapest in January.

      Dayton to San Juan: Flight information

      The things to know before you go.
      Cheapest flight foundR 4,594
      Cheapest month to flyJanuary

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

      The best price we found for a return flight from Dayton International to San Juan Luis Munoz Marin is R 4,212. 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 Dayton International to San Juan Luis Munoz Marin. But we found flights with one or more stops from R 4,212.
      As of August 2026, there are no flights flying from Dayton International to San Juan Luis Munoz Marin.
      The cheapest month to fly from Dayton International to San Juan Luis Munoz Marin is usually November.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dayton International Airport to San Juan Luis Munoz Marin Airport on Monday, 9 November 2026.
      No airlines currently offer direct flights between Dayton International 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, Allegiant Air offers the cheapest flight tickets to San Juan Luis Munoz Marin.

      Travelling from Dayton International Airport (DAY) to San Juan Luis Munoz Marin Airport (SJU): what you need to know

      • San Juan's timezone is UTC-4, which makes San Juan one hour ahead of Dayton.

      • Your DAY to SJU flight won't wait if you're running late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

      • Flying during a peak month like November? Public holidays and other high seasons can lead to longer lines at check-in and security. Play it safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

      • If you want to break up your flight, simply deselect 'Direct flights only' when searching for your ticket from Dayton International Airport to San Juan Luis Munoz Marin Airport. These are the most popular stopovers between DAY and SJU:

        • Atlanta Hartsfield-Jackson Airport

        • Charlotte Douglas Airport

        • Philadelphia International Airport

      How to find the cheapest flights from Dayton International Airport (DAY) to San Juan Luis Munoz Marin Airport (SJU)

      • Currently, R 4,594 is the lowest price we've found for a one-way Dayton International Airport to San Juan Luis Munoz Marin Airport flight. The best price for a return ticket is R 4,212. Keep in mind that fares could change due to availability when booking.

      • It's a good idea to book in advance if you want to find cheap tickets from DAY to SJU. That's because airlines change prices based on demand, which tends to rise closer to departure.

      • If you can be flexible with your travel plans, use the 'Whole month' tool. It'll find the lowest price across each month when looking for your flight from Dayton International Airport to San Juan Luis Munoz Marin Airport.

      • Save time searching for cheap flights from DAY to SJU by setting up a Price Alert. You'll get an email or push notification on the app when a lower fare pops up.

      • Choose your ideal arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Dayton International Airport to San Juan Luis Munoz Marin Airport.

      Handy information about Dayton International Airport (DAY)

      • DAY is located at Terminal Building.

      • 76% of flights that leave from Dayton International Airport reach their destination on time.

      • To get to Dayton International Airport from central Dayton, it'll take about 20 minutes by car. Of course, this depends on traffic conditions. It's approximately 16 kilometres from the airport to the city centre.

      • The trip when using public transport takes about 40 minutes.

      • Taking an early flight from Dayton International Airport to San Juan Luis Munoz Marin Airport? Avoid the hassle of rushing to the terminal (and catch some extra z's) by choosing one of these stays close to DAY:

      Arriving at San Juan Luis Munoz Marin Airport (SJU)

      • The last thing you need is a lengthy journey to your hotel if you're getting in late on a Dayton International Airport to San Juan Luis Munoz Marin Airport flight. Reserve one of these accommodation options near SJU instead:

      • Say yes to new adventures by picking up a San Juan Luis Munoz Marin Airport rental car. Grab a set of wheels from Sixt, Ace Rent a Car or U-Save and explore beyond San Juan's main sights.

      • For the lowest price, reserve your ride from San Juan Luis Munoz Marin Airport around two weeks ahead.

      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 drive to the centre.

      • It takes roughly 1 hour when travelling by public transport.

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

      • The quietest month for a flight from Dayton International Airport to San Juan Luis Munoz Marin Airport is March, while July is the busiest. Choose the ideal time to visit San Juan based on whether you prefer a more relaxed vibe or a faster pace.

      • Lock in your flight from Dayton International Airport to San Juan Luis Munoz Marin Airport for August if you want to go to San Juan during its warmest month. You can expect temperatures of between 24ºC (75ºF) and 32ºC (90ºF).

      • February has average temperatures of between 21ºC (70ºF) and 28ºC (82ºF). Look for cheap tickets from DAY to SJU sometime then if you want to travel in cooler conditions.

      Explore more of Puerto Rico

      • You've seen San Juan, now it's time to discover other corners of Puerto Rico. Travel about 10 kilometres west to Bayamon to tick off its top attractions. From Ron del Barrilito - Hacienda Santa Ana to Parque de las Ciencias and Parque Recreativo Río Bayamón, there's plenty to keep you on the go.

      • Carolina is another well-known destination in Puerto Rico and is around 11 kilometres east of San Juan. No trip is complete without experiencing 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.