The cheapest times to fly from BLL to DAY are

  • January 1st to March 25th
  • June 4th to June 24th
  • October 22nd to December 9th (except the week of 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 BLL to DAY is mid January. Prices can be as high as $1110 for Friday flights during late July, or as low as $663 for Tuesday flights around mid January.


When to Fly to Dayton

Flying from Billund (BLL) to Dayton, OH (DAY) will usually cost between $680 to $1079 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid January with an average ticket price of $687. Due to high demand the most expensive time to fly is late July, with an average price of $1089. Planning your trip to low-cost times can easily save you $402 on economy flights and even more on first-class flights. Generally, any price below $721 can be considered a good price for a round-trip BLL to DAY flight.

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

BLL to DAY Flight Prices

Compared to other flights, the BLL to DAY flight is cheaper than the average and costs slightly more than the average flight leaving from Billund. The average price per mile (for a direct flight) is $0.11, which is far 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 BLL. Fridays are the most expensive days to fly to Dayton, and Saturdays are the most expensive days to return to Billund. Selecting flights on the least expensive days could save you up to $100 (8%) 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 $735. Return trip prices are from the DAY to BLL 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 BLL to DAY can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 8 hour 24 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 BLL to DAY while comparing.

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

  • 64 miles (103 km) away from DAY
  • Usually 0.55% less expensive than DAY
  • 1-layover flights available

See BLL to CVG flights


Flight Hacking BLL 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 BLL to DAY — but Champion Traveler does!

Hack #1: New York, NY (BLL > LGA > DAY)

  • Price for both tickets: $602
  • Average savings: $119 (16.5%)

See BLL to EWR flights

Hack #2: Newark, NJ (BLL > EWR > DAY)

  • Price for both tickets: $618
  • Average savings: $104 (14.36%)

See BLL to LGA flights

Hack #3: New York, NY (BLL > JFK > DAY)

  • Price for both tickets: $629
  • Average savings: $93 (12.83%)

See BLL to JFK flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 9 major airlines flying this route most often: Air France, American, British Airways, Brussels Airlines, Delta, KLM, Lufthansa, SAS, United, and potentially more during busy seasons.

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

The distance between the two airports is roughly 4123 miles or 6635 kilometers.

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

The real-world flight time for a nonstop BLL to DAY flight is about 8 hour 24 minutes.

How many flights go between Billund and Dayton, OH?

It depends on the day of the week and the date, but a typical day might have around 11 available flights from BLL to DAY.


Airport Location Info


Departing Airport

Origination codeBLL
Origination airport nameBillund Airport

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.