The cheapest times to fly from IAH to DAY are

  • January 1st to March 4th
  • August 6th to November 18th (except the week of October 1st)
  • December 3rd to March 4th (except the weeks of December 17th and December 24th)

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 IAH to DAY is early December. Prices can be as high as $690 for Friday flights during early to mid May, or as low as $283 for Tuesday flights around early December.


When to Fly to Dayton

Flying from Houston, TX (IAH) to Dayton, OH (DAY) will usually cost between $283 to $398 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early December with an average ticket price of $296. Due to high demand the most expensive time to fly is early to mid May, with an average price of $419. Planning your trip to low-cost times can easily save you $124 on economy flights and even more on first-class flights. Generally, any price below $328 can be considered a good price for a round-trip IAH to DAY flight.

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

IAH to DAY Flight Prices

Compared to other flights, the IAH to DAY flight is much cheaper than the average and costs much less than the average flight leaving from Houston. The average price per mile (for a direct flight) is $0.22, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to DAY, and Wednesday the cheapest day to fly back into IAH. Fridays are the most expensive days to fly to Dayton, and Sundays are the most expensive days to return to Houston. Selecting flights on the least expensive days could save you up to $51 (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 $312. Return trip prices are from the DAY to IAH 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 IAH to DAY can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 2 hour 39 minutes may 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 a nonstop flight from IAH to DAY while comparing.

Destination alternative #1: Cincinnati/Northern Kentucky International Airport (CVG) in Cincinnati, OH

  • 64 miles (103 km) away from DAY
  • Usually 45.27% less expensive than DAY
  • Nonstop flights available

See IAH to CVG flights

Destination alternative #2: Louisville International-Standiford Field Airport (SDF) in Louisville, KY

  • 145 miles (233 km) away from DAY
  • Usually 24.24% less expensive than DAY
  • Nonstop flights available

See IAH to SDF flights

Destination alternative #3: John Glenn Columbus International Airport (CMH) in Columbus, OH

  • 71 miles (114 km) away from DAY
  • Usually 19.66% less expensive than DAY
  • Nonstop flights available

See IAH to CMH flights

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

  • 131 miles (211 km) away from DAY
  • Usually 13.41% less expensive than DAY
  • Nonstop flights available

See IAH to LEX flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 4 major airlines flying this route most often: American, Delta, Iberia, United, and potentially more during busy seasons.

How far away is it from James M Cox/Dayton International Airport to George Bush Intercontinental/Houston Airport?

The distance between the two airports is roughly 929 miles or 1495 kilometers.

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

The real-world flight time for a nonstop IAH to DAY flight is about 2 hour 39 minutes.

How many flights go between Houston, TX and Dayton, OH?

It depends on the day of the week and the date, but a typical day might have around 90 available flights from IAH to DAY.


Airport Location Info


Departing Airport

Origination codeIAH
Origination airport nameGeorge Bush Intercontinental/Houston Airport
CityHouston, TX
Countrythe United States

Return Airport

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


Late and Early Flight Data

Flights from IAH to DAY tend to depart as late as the average flight. According to our recently updated data, 26% of flights departed 5 or more minutes late, and 13% of flights left 5 or more minutes early. On average you can expect to leave DAY heading for IAH about 6 minutes late. This does significantly impact arrival time, as the average landing time in Dayton, OH is about 5 minutes late. The numbers below show a recent average of take-off times versus the scheduled departure flight:

  • Mesa: 6 minutes late
  • Some airlines not reporting


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.