Dulles (IAD) to Dayton (DAY) flights
One airline flies nonstop from Dulles (IAD) to Dayton (DAY): United Airlines. The two airports are 367 miles (591 km) apart. United Airlines is in Star Alliance. There are also 5 ways to fly it with one stop, through Philadelphia, Raleigh/Durham and Charlotte and more.
Airlines flying nonstop from IAD to DAY
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book IAD to DAY with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks United Airlines
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
IAD to DAY with one stop
5 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Philadelphia (PHL)United Airlines, then American Airlines
- Via Raleigh/Durham (RDU)United Airlines, then Breeze Airways
- Via Charlotte (CLT)American Airlines the whole way
- Via Chicago (ORD)United Airlines the whole way
- Via Atlanta (ATL)Delta Air Lines the whole way
IAD to DAY: common questions
Which airlines fly nonstop from IAD to DAY?
United Airlines (Star Alliance) flies nonstop from Dulles (IAD) to Dayton (DAY).
How far is Dulles from Dayton by plane?
Dulles (IAD) and Dayton (DAY) are 367 miles (591 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book IAD to DAY award flights?
13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does IAD to DAY cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IAD to DAY with taxes and fees.
Where can I connect between Dulles and Dayton?
The most direct connections are through Philadelphia (PHL), Raleigh/Durham (RDU), Charlotte (CLT), Chicago (ORD) and Atlanta (ATL). On 3 of them the same airline flies both flights, for example American Airlines through Charlotte.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.