United Airlines
Star Alliance
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United States
Washington Dulles International Airport
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United States
James M. Cox International Airport
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Scan through all non-stop flights from Washington to Dayton. The full flight schedule below gives an overview of all non-stop flights from IAD to DAY, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
Dayton is a humid subtropical or warm-temperate destination, featuring hot, humid summers with temperatures typically around 30°C (86°F) and mild to cool winters. The region is known for consistent rainfall throughout the year, peaking in summer. The area is known for its vibrant urban energy, diverse landscapes, and numerous outdoor activities.
You can visit Dayton any time of the year, but the best months to explore are from to and from to .
Currently, there is only one airline operating non-stop flights from Washington IAD to Dayton DAY, which is United Airlines. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their IAD DAY flight schedule.
Flights from IAD to DAY are operated twice a week. Departure times vary between 08:15 - 17:20. The earliest flight departs at 08:15, the last flight departs at 17:20. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).
The fastest direct flight from Washington to Dayton takes 1 hour and 33 minutes. The flight distance between Washington and Dayton is 366 miles (or 589 km).
There is 1 airport in Dayton: James M. Cox International Airport (DAY).
There are 2 flights per week flying from Washington to Dayton (as of March 2026).
1 hour and 33 minutes is the average flight time from Washington to Dayton.
The distance from Washington to Dayton is 366 miles (589 kilometers).
United Airlines is the only airline flying nonstop from Washington to Dayton.
Star Alliance is currently the only alliance flying nonstop from Washington to Dayton.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Washington to Dayton:
The earliest flight departs at 08:15 from Washington and arrives at 09:53 at Dayton.
The latest flight departs at 17:20 from Washington and arrives at 18:41 at Dayton.
366 miles (589 km) · 1h 33m
08:22
10:00
United Airlines
Star Alliance
UA 4327
United Airlines
Embraer RJ135 / RJ140 / RJ145
Y
W
J
F
12:37
14:15
United Airlines
Star Alliance
UA 4241
United Airlines
Embraer RJ135 / RJ140 / RJ145
Y
W
J
F
17:15
18:58
United Airlines
Star Alliance
UA 4274
United Airlines
Embraer RJ135 / RJ140 / RJ145
Y
W
J
F
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