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Cheap Flights from Dayton (DAY) to San Juan (SJUA)

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      Travellers and cabin class, 1 Adult, Economy

      Compare Dayton International to San Juan flight deals

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

      Book the best San Juan fare with no extra fees

      Flight deals from Dayton International to San Juan

      Looking for a cheap last-minute deal or the best return flight from Dayton International Airport to San Juan? If you want to travel next month, return fares start from $640. Find the lowest prices on one-way and return tickets right here.
      San Juan.$469 per passenger.Departing Mon, 11 Jan, returning Fri, 22 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Dayton International on Mon, 11 Jan, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Delta, departs from San Juan Luis Munoz Marin on Fri, 22 Jan, arriving in Dayton International.Price includes taxes and charges.From $469, select.
      San Juan.$476 per passenger.Departing Mon, 1 Feb, returning Mon, 8 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Dayton International on Mon, 1 Feb, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Delta, departs from San Juan Luis Munoz Marin on Mon, 8 Feb, arriving in Dayton International.Price includes taxes and charges.From $476, select.
      San Juan.$545 per passenger.Departing Tue, 1 Dec, returning Tue, 8 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Dayton International on Tue, 1 Dec, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Delta, departs from San Juan Luis Munoz Marin on Tue, 8 Dec, arriving in Dayton International.Price includes taxes and charges.From $545, select.
      San Juan.$610 per passenger.Departing Tue, 24 Nov, returning Fri, 4 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Dayton International on Tue, 24 Nov, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Delta, departs from San Juan Luis Munoz Marin on Fri, 4 Dec, arriving in Dayton International.Price includes taxes and charges.From $610, select.
      San Juan.$640 per passenger.Departing Sat, 3 Oct, returning Sat, 10 Oct.Return flight with United.Outbound indirect flight with United, departs from Dayton International on Sat, 3 Oct, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Sat, 10 Oct, arriving in Dayton International.Price includes taxes and charges.From $640, select.
      San Juan.$756 per passenger.Departing Fri, 6 Nov, returning Fri, 13 Nov.Return flight with United.Outbound indirect flight with United, departs from Dayton International on Fri, 6 Nov, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Fri, 13 Nov, arriving in Dayton International.Price includes taxes and charges.From $756, select.
      San Juan.$1,004 per passenger.Departing Fri, 4 Jun, returning Sat, 12 Jun.Return flight with United.Outbound indirect flight with United, departs from Dayton International on Fri, 4 Jun, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Sat, 12 Jun, arriving in Dayton International.Price includes taxes and charges.From $1,004, select.
      San Juan.$1,100 per passenger.Departing Thu, 24 Sep, returning Mon, 28 Sep.Return flight with United.Outbound indirect flight with United, departs from Dayton International on Thu, 24 Sep, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Mon, 28 Sep, arriving in Dayton International.Price includes taxes and charges.From $1,100, select.
      San Juan.$1,134 per passenger.Departing Sat, 13 Mar, returning Thu, 18 Mar.Return flight with United.Outbound indirect flight with United, departs from Dayton International on Sat, 13 Mar, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Thu, 18 Mar, arriving in Dayton International.Price includes taxes and charges.From $1,134, select.
      San Juan.$1,418 per passenger.Departing Wed, 24 Mar, returning Sat, 3 Apr.Return flight with United.Outbound indirect flight with United, departs from Dayton International on Wed, 24 Mar, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Sat, 3 Apr, arriving in Dayton International.Price includes taxes and charges.From $1,418, select.
      San Juan.$1,506 per passenger.Departing Fri, 25 Dec, returning Fri, 1 Jan.Return flight with United.Outbound indirect flight with United, departs from Dayton International on Fri, 25 Dec, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Fri, 1 Jan, arriving in Dayton International.Price includes taxes and charges.From $1,506, select.
      San Juan.$1,583 per passenger.Departing Sat, 24 Jul, returning Sat, 31 Jul.Return flight with United.Outbound indirect flight with United, departs from Dayton International on Sat, 24 Jul, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Sat, 31 Jul, arriving in Dayton International.Price includes taxes and charges.From $1,583, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Dayton International to San Juan found in the last 4 days, and are subject to change and availability.

      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 January.
      Sep
      from $1,100
      Oct
      from $640
      Nov
      from $756
      Dec
      from $545
      Jan
      from $469
      Feb
      from $476
      Mar
      from $1,134
      Apr
      Find prices
      May
      Find prices
      Jun
      from $1,004
      Jul
      from $1,583
      Aug
      Find prices

      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.

      San Juan Isla Grande

      1km from central San Juan
      Closest
      Search flights

      San Juan Luis Munoz Marin

      11km from central San Juan
      Cheapest
      from $469
      Search flights

      Roosevelt Roads

      55km from central San Juan
      Search flights

      Ponce

      70km from central San Juan
      Search flights

      Vieques

      82km from central San Juan
      Search flights

      Culebra

      85km from central San Juan
      Search flights

      Dayton to San Juan: Flight information

      The things to know before you go.
      Cheapest flight found$469
      Cheapest month to flyJanuary

      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 $469. 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 $469.
      As of September 2026, there are no flights flying from Dayton International to San Juan.
      The cheapest month to fly from Dayton International to San Juan is usually January.
      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 $469.
      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 Monday, 11 January 2027.
      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 30°C. You can expect the least rain in January. The coldest month is February, with temperatures averaging 22°C. The rainiest month is September.
      Currently, Delta offers the cheapest flight tickets to San Juan.

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

      • The timezone in San Juan is UTC-4. The city is one hour ahead of Dayton, where James M Cox Dayton International Airport is located.

      • For a relaxed start to your DAY to San Juan flight, allow plenty of time for things like baggage drop and finding your gate. Arriving two hours ahead of international departures and one hour before domestic flights is the general rule.

      • Flying during a peak month like November? Major public holidays and other popular seasons can lead to longer queues at check-in and security. Be extra cautious and arrive up to four hours ahead of an international flight and two hours before domestic departures.

      • We make it easy to book plane tickets from DAY to San Juan with a stopover. To see your options, deselect 'Direct flights only.' Next, select a flight that has a stop long enough to see the sights of your chosen city. Popular stopovers include:

        • Atlanta Hartsfield-Jackson International Airport (ATL)

        • Charlotte Douglas International Airport (CLT)

        • Philadelphia International Airport (PHL)

      • DAY is around 16 kilometres from central Dayton. If you're ride-sharing, driving or catching a taxi from the centre, it'll take you 20 minutes or so to get there, depending on traffic. If you're taking public transport, expect the travel time to be around 40 minutes.

      • Have an early flight from James M Cox Dayton International Airport to San Juan? Avoid the stress of rushing to the airport (and enjoy a little extra shut-eye) by choosing one of these stays near DAY:

      • Of the departures from James M Cox Dayton International Airport, 76% arrive as scheduled at their destination.

      • You'll find DAY at Terminal Building.

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

      • The best price we've seen for a one-way James M Cox Dayton International Airport to San Juan flight is $418. The cheapest price for a return flight is $469. Keep in mind fares can change due to availability at the time of booking.

      • Don't leave everything to the last minute. You're more likely to pick up cheap flights from DAY to San Juan if you book in advance. Airlines often offer some fantastic early bird rates.

      • The 'Whole month' search tool will show you the cheapest tickets from James M Cox Dayton International Airport to San Juan throughout the entire month. It's an easy way to snap up a bargain if your plans are flexible.

      • Cut down on the time spent looking for cheap flights from DAY to San Juan by creating a Price Alert. You'll receive an email or push notification on the app when a special offer becomes available.

      • Select your preferred departure and arrival times, airlines and number of stops with our filters. Then, sort the results for your flight from James M Cox Dayton International Airport to San Juan by 'Fastest,' 'Best' or 'Cheapest.'

      Airports in San Juan

      Luis Munoz Marin International Airport (SJU)

      • The distance from Luis Munoz Marin International Airport (SJU) to central San Juan is roughly 11 kilometres. It'll take you about 20 minutes to get to the centre driving.

      • If you're travelling on public transport, expect a journey time of around 1 hour.

      • Book a hotel near SJU if you're coming in on a late flight from James M Cox Dayton International Airport to San Juan. Check in to one of these options and avoid the hassle of a long transfer:

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

      Best time to go to San Juan

      • March is the most popular month for flights from James M Cox Dayton International Airport to San Juan. To skip the crowds, plan your trip to San Juan in December.

      • Lock in a James M Cox Dayton International Airport to San Juan plane ticket with a departure in August if you're eager to explore the city during its warmest month. You can expect temperatures to range from 24ºC (75ºF) to 32ºC (90ºF).

      • If you like travelling in cooler conditions, search for a cheap ticket from DAY to San Juan in February when temperatures average between 21ºC (70ºF) and 28ºC (82ºF).

      More about San Juan

      • Once you've booked your flight from James M Cox Dayton International Airport to San Juan, choose a hotel that combines comfort with a great location. Make one of these accommodation options your base for exploring San Juan:

      • All great journeys should include a little sightseeing. Esperanza Beach, Balneario El Escambron and Escambron Green are must-visits when exploring San Juan.

      Explore more of Puerto Rico

      • Aguadilla is just one of the many cities in Puerto Rico waiting to be explored once you've seen the sights of San Juan. Around 113 kilometres away to the west, top sights here include Silla Aguadilla, Bridges Surf Beach and Playa Rompe Olas.

      • Isabela is another favourite destination in Puerto Rico and is around 105 kilometres west of San Juan. No journey is complete without dropping by Playa montones, Shore Island Beach and Guajataca Forest Reserve.

      Plan smart, explore more

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      Plan the rest of your trip from Dayton to San Juan

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