The cheapest times to fly from DAY to IAD are
- August 6th to November 18th (except the week of August 13th)
- December 3rd to February 25th (except the week of 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 DAY to IAD is early December. Prices can be as high as $406 for Sunday flights during early June, or as low as $167 for Tuesday flights around early December.
When to Fly to Washington
Flying from Dayton, OH (DAY) to Washington, DC (IAD) will usually cost between $172 to $355 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 $184. Due to high demand the most expensive time to fly is early June, with an average price of $301. Planning your trip to low-cost times can easily save you $118 on economy flights and even more on first-class flights. Generally, any price below $216 can be considered a good price for a round-trip DAY to IAD flight.
See below for a graph of average weekly prices for the DAY to IAD route. All prices are for round-trip tickets in USD.
Compared to other flights, the DAY to IAD flight is much cheaper than the average and costs much less than the average flight leaving from Dayton. The average price per mile (for a direct flight) is $0.37, which is a bit above average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to depart and return on this flight. Sundays 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 $98 (34%) 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 $189. Return trip prices are from the IAD to DAY flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from DAY to IAD can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 1 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 DAY to IAD while comparing.
- 24 miles (39 km) away from IAD
- Usually 17.87% less expensive than IAD
- Nonstop flights available
Flight Questions Answered
Still have questions about flying from DAY to IAD? We’ve got answers.
Which airlines fly this route?
You can find 3 major airlines flying this route most often: American, Delta, United, and potentially more during busy seasons.
How far away is it from Washington Dulles International Airport to James M Cox/Dayton International Airport?
The distance between the two airports is roughly 367 miles or 591 kilometers.
How long does it take to fly from DAY to IAD?
The real-world flight time for a nonstop DAY to IAD flight is about 1 hour 39 minutes.
How many flights go between Dayton, OH and Washington, DC?
It depends on the day of the week and the date, but a typical day might have around 55 available flights from DAY to IAD.
Airport Location Info
|Origination airport name||James M Cox/Dayton International Airport|
|Country||the United States|
|Destination airport name||Washington Dulles International Airport|
|Country||the United States|
Late and Early Flight Data
Flights from DAY to IAD tend to depart later than the average flight. According to our recently updated data, 37% of flights departed 5 or more minutes late, and 30% of flights left 5 or more minutes early. On average you can expect to leave IAD heading for DAY about 22 minutes late. This does significantly impact arrival time, as the average landing time in Washington, DC is about 17 minutes late. The numbers below show a recent average of take-off times versus the scheduled departure flight:
- Mesa: 22 minutes late
- Some airlines not reporting
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.