$145 Find Cheap Flights from Washington Dulles Airport to Dayton - Compare and Save

Among airlines operating Washington, D.C. Dulles Intl Airport to Dayton flights:

• United Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only United Airlines operates flights between Washington, D.C. Dulles Intl Airport and Dayton.

Flights from Washington, D.C. Dulles Intl Airport to Dayton usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Dayton (DAY).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in First Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Two cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Dayton:

• Economy Class
• First Class

On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $344 round-trip, compared to $375 via a layover through Atlanta Hartsfield-Jackson (ATL).

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Embraer ERJ-135 / ERJ-140 / ERJ-145 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Canadair (Bombardier) Regional Jet 700 variants.

Most connecting flights from Washington, D.C. Dulles Intl Airport to Dayton pass through Atlanta Hartsfield-Jackson (ATL), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

Yes. Being flexible with your travel dates can save you up to 55% on the Washington, D.C. Dulles Intl Airport to Dayton route. Thursday is the cheapest departure day at $292 round-trip on average, while Monday is the most expensive at $647, a difference of $355. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Washington, D.C. Dulles Intl Airport to Dayton flights, with 34% of flights leaving in that window. Afternoon departures account for 33%, evening flights for 33%, and night flights for 0%.

These are the earliest and latest flight times available from Washington, D.C. Dulles Intl Airport to Dayton:

• Earliest: departs at 8:11 am and lands at 9:51 am
• Latest: departs at 5:45 pm and lands at 7:25 pm.

The flight takes about 1h 40m.

Last-minute fares on this route - booked within 2 weeks of departure - run 43% above the route average of $345. Book 14 weeks before departure for the lowest fares.

A nonstop flight from Washington, D.C. Dulles Intl Airport to Dayton takes 1h 40m, covering 367 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $273 to $1,331. That means the highest observed fare was about 5x higher than the lowest one.

One-way fares from Washington, D.C. Dulles Intl Airport to Dayton are currently lower than usual. Average one-way flight prices are about $213, which is 26% below the typical average for this route.

Dayton Airport (DAY) hosts 5 major car rental companies, with daily rates starting from around $32 for economy cars. Top options include:
• Budget
• Thrifty
• Hertz
• Alamo
• Avis

Round-trip flights from Washington, D.C. Dulles Intl Airport to Dayton range from $265 to $495, with an average of $345 over the past 12 months. Anything below $265 counts as a good deal.