233 € Cheap Flights from Dayton International to San Juan

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Flight deals from Dayton International to San Juan

Looking for a cheap last-minute deal or the best return flight from Dayton International to San Juan? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Dayton International to San Juan

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 flights are currently cheapest in November.

Alternative Dayton International to San Juan routes

Looking for the cheapest, fastest or easiest route from Dayton International to San Juan? You could fly into the following airports instead.

Dayton to San Juan: Flight information

The things to know before you go.
Cheapest flight found233 €
Cheapest month to flyNovember

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

There are 6 airports in San Juan: San Juan Isla Grande, San Juan Luis Munoz Marin, Roosevelt Roads, Ponce, Vieques, and Culebra.
The best price we found for a return flight from Dayton International to San Juan is 233 €. 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. But we found flights with one or more stops from 233 €.
As of September 2025, there are no flights flying from Dayton International to San Juan.
The cheapest month to fly from Dayton International to San Juan is usually November.
If you're flying from Dayton International Airport, the cheapest airport near San Juan is San Juan Luis Munoz Marin – which is 11.3 km away from the centre of San Juan. We've found flights into this airport from 233 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dayton International Airport to San Juan on Tuesday, 4 November 2025.
No airlines currently offer direct flights between Dayton International Airport and San Juan. 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 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.
In September, the average temperature is usually around 28°C. August is typically the warmest month in San Juan, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging 23°C. The rainiest month is September.
Currently, United offers the cheapest flight tickets to San Juan.

Flying from James M. Cox Dayton International Airport (DAY) to San Juan: what you need to know

  • Dayton (the location of James M. Cox Dayton International Airport) and San Juan share the same timezone — UTC-4.

  • Leave enough time to catch your DAY to San Juan flight. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

  • If you're heading away during a bank holiday or another peak period, allow for even more time. A good general rule is two hours before domestic flights and up to four hours before international departures. Lines at security and check-in will be longer.

  • We make it easy to book plane tickets from DAY to San Juan with a stopover. To see the options, uncheck 'Direct flights only.' Then, pick a flight offering a stop long enough to explore the city of your choice. Top stopovers include:

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • Charlotte Douglas International Airport (CLT)

    • Philadelphia International Airport (PHL)

  • DAY is around 16 kilometres from central Dayton. If you're catching a cab, ride-sharing or driving from the centre, it'll take 15 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the trip time to be around 1 hour 15 minutes.

  • Staying the night at a hotel can take the stress out of getting to the airport on time. If you're looking for a place to stay before your flight from James M. Cox Dayton International Airport to San Juan, consider Super 8 by Wyndham Vandalia/Dayton International Airport. It's a quick drive from DAY.

  • 77.52% of flights that depart James M. Cox Dayton International Airport touch down at their destination on schedule.

  • DAY is located at Terminal Building.

How to find the cheapest flights from James M. Cox Dayton International Airport (DAY) to San Juan

  • 216 € is the lowest price we've seen for a one-way James M. Cox Dayton International Airport to San Juan flight. A round-trip ticket right now is 233 €. Depending on when and how early you book, these fares could change.

  • To find cheap flights from DAY to San Juan, book early. Airlines typically offer their most competitively priced fares when tickets first go on sale.

  • If you're flexible with your travel dates, use the 'Whole month' tool. It'll give you the cheapest price across each month when searching for your James M. Cox Dayton International Airport to San Juan ticket.

  • Snapping up a cheap flight from DAY to San Juan is easy with Price Alerts. All you need to do is create one of these automatic notifications and we'll let you know when the price has dropped.

  • Tailor your trip with filters. Select your departure and arrival times, total journey duration and airlines. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from James M. Cox Dayton International Airport to San Juan.

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

  • Luis Munoz Marin International Airport (SJU) to the centre of San Juan takes about 10 minutes to reach by car. The centre is roughly 8 kilometres away.

  • If you're using public transport, expect a journey time of around 55 minutes.

  • Look into staying at a hotel close to SJU if you're coming in on a late flight from James M. Cox Dayton International Airport to San Juan. Choose one of these options and make your first night all about catching up on rest:

  • Grab a Luis Munoz Marin International Airport rental car and discover San Juan and beyond with your own set of wheels. Sixt, Ace Rent a Car and U-Save are popular outlets to choose from here.

  • Secure the lowest price by reserving your ride from Luis Munoz Marin International Airport about two weeks in advance of your flight from DAY to San Juan.

Fernando Luis Ribas Dominicci Airport (SIG)

  • Once your flight from James M. Cox Dayton International Airport to San Juan has touched down, you can reach the city centre in around 15 minutes by car. Central San Juan is roughly 8 kilometres from Fernando Luis Ribas Dominicci Airport (SIG).

  • If you travel by public transport, the journey will take you 1 hour or so.

  • Following your DAY to San Juan flight, rest your head at a hotel near SIG. These are some great options that'll help you slip into relaxation mode:

Best time to go to San Juan

  • Visit San Juan in peak season if you want a lively atmosphere, but remember that prices may be higher. Alternatively, book flights from James M. Cox Dayton International Airport to San Juan during low season when prices are cheaper and it's not as busy.

  • Before locking in your James M. Cox Dayton International Airport to San Juan plane ticket, think about what kind of weather works for you. September is the warmest month in San Juan, with temperatures ranging from 23ºC (73ºF) to 33ºC (91ºF).

  • If you want to travel in cooler conditions, search for a cheap ticket from DAY to San Juan in February when temperatures average between 20ºC (68ºF) and 28ºC (82ºF).

More about San Juan

  • Start your San Juan trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from James M. Cox Dayton International Airport to San Juan, check out our selection of accommodation options including:

  • There are so many things to discover in this city it can be hard to work out where to begin. La Garita del morro de san juan bahia, Castillo San Felipe del Morro and Fortaleza Street are major attractions which should feature on any good San Juan itinerary.

Explore more of Puerto Rico

  • You've done San Juan, now it's time to explore other corners of Puerto Rico. Journey around 113 kilometres west to Aguadilla to tick off its leading sights. From El Parterre to Aguadilla Ice Skating Arena and Bandera de los Reyes Magos, you'll have a packed itinerary ahead.

  • If you're looking to explore another well-known destination in Puerto Rico, consider Isabela, roughly 105 kilometres west of San Juan. Amarillo Mango, Urb. Llanos Piscina Park and Noches de Artesania are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.