The cheapest times to fly from SJO to DAY are

  • January 15th to February 18th (except the week of February 5th)
  • April 23rd to May 6th
  • July 16th to December 9th (except the weeks of July 23rd and November 26th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SJO to DAY is early October. Prices can be as high as $1493 for Saturday flights during early to mid December, or as low as $543 for Tuesday flights around early October.


When to Fly to Dayton

Flying from San Jose (SJO) to Dayton, OH (DAY) will usually cost between $560 to $905 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early October with an average ticket price of $561. Due to high demand the most expensive time to fly is early to mid December, with an average price of $917. Planning your trip to low-cost times can easily save you $356 on economy flights and even more on first-class flights. Generally, any price below $636 can be considered a good price for a round-trip SJO to DAY flight.

See below for a graph of average weekly prices for the SJO to DAY route. All prices are for round-trip tickets in USD.

SJO to DAY Flight Prices

Compared to other flights, the SJO to DAY flight is cheaper than the average and costs less than the average flight leaving from San José. The average price per mile (for a direct flight) is $0.19, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $99 (14%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $625. Return trip prices are from the DAY to SJO flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SJO to DAY can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 4 hour 42 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from SJO to DAY while comparing.

Destination alternative #1: John Glenn Columbus International Airport (CMH) in Columbus, OH

  • 71 miles (114 km) away from DAY
  • Usually 19.59% less expensive than DAY
  • 1-layover flights available

See SJO to CMH flights

Destination alternative #2: Indianapolis International Airport (IND) in Indianapolis, IN

  • 111 miles (179 km) away from DAY
  • Usually 14.40% less expensive than DAY
  • 1-layover flights available

See SJO to IND flights

Destination alternative #3: Louisville International-Standiford Field Airport (SDF) in Louisville, KY

  • 145 miles (233 km) away from DAY
  • Usually 12.35% less expensive than DAY
  • 1-layover flights available

See SJO to SDF flights

Destination alternative #4: Blue Grass Airport (LEX) in Lexington, KY

  • 131 miles (211 km) away from DAY
  • Usually 5.51% less expensive than DAY
  • 1-layover flights available

See SJO to LEX flights


Flight Hacking SJO to DAY

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SJO to DAY — but Champion Traveler does!

Hack #1: Orlando, FL (SJO > MCO > DAY)

  • Price for both tickets: $531
  • Average savings: $105 (16.52%)

See SJO to FLL flights

Hack #2: Fort Lauderdale, FL (SJO > FLL > DAY)

  • Price for both tickets: $581
  • Average savings: $55 (8.65%)

See SJO to MCO flights

Hack #3: Miami, FL (SJO > MIA > DAY)

  • Price for both tickets: $589
  • Average savings: $47 (7.4%)

See SJO to MIA flights


Flight Questions Answered

Still have questions about flying from SJO to DAY? We’ve got answers.

Which airlines fly this route?

You can find 5 major airlines flying this route most often: Aeromexico, Alaska, American, Delta, United, and potentially more during busy seasons.

How far away is it from James M Cox/Dayton International Airport to Juan Santamaria International Airport?

The distance between the two airports is roughly 2066 miles or 3325 kilometers.

How long does it take to fly from SJO to DAY?

The real-world flight time for a nonstop SJO to DAY flight is about 4 hour 42 minutes.

How many flights go between San Jose and Dayton, OH?

It depends on the day of the week and the date, but a typical day might have around 25 available flights from SJO to DAY.


Airport Location Info


Departing Airport

Origination codeSJO
Origination airport nameJuan Santamaria International Airport
CitySan Jose
CountryCosta Rica

Return Airport

Destination codeDAY
Destination airport nameJames M Cox/Dayton International Airport
CityDayton, OH
Countrythe United States


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.