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Dulles Intl

$129+ Cheap flights from Dayton (DAY) to Dulles Intl (IAD)

DAY — IAD
Oct 17 — Oct 241
Sat 10/17
Sat 10/24
1 adult, Economy
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Cheap flight deals from Dayton to Dulles Intl

Cheapest flights from Dayton to Dulles Intl

Fri 10/239:04 pm -
1 stop23h 07m
Mon 10/267:50 am -
2 stops12h 34m
Deal found 9/16$284
Fri 10/1610:22 am -
Nonstop1h 33m
Sun 10/188:11 am -
Nonstop1h 36m
Deal found 9/16$299
Thu 10/110:22 am -
Nonstop1h 33m
Wed 10/148:11 am -
Nonstop1h 36m
Deal found 9/16$314
Thu 11/56:00 am -
1 stop4h 10m
Sun 11/86:00 am -
1 stop4h 38m
Deal found 9/16$319
Wed 11/1811:24 am -
2 stops7h 23m
Sun 11/226:00 am -
1 stop5h 00m
Deal found 9/16$324
Fri 11/2010:39 am -
Nonstop1h 31m
Mon 11/308:24 am -
Nonstop1h 40m
Deal found 9/15$326
Thu 10/16:39 pm -
1 stop6h 02m
Sat 10/311:15 am -
1 stop4h 23m
Deal found 9/12$334
Thu 10/15:50 am -
1 stop6h 06m
Sat 10/312:30 pm -
2 stops11h 08m
Deal found 9/12$339
Fri 10/26:14 pm -
1 stop4h 37m
Sun 10/46:32 am -
1 stop4h 33m
Deal found 9/16$349
Wed 11/2511:31 am -
1 stop5h 40m
Fri 11/276:00 am -
1 stop5h 00m
Deal found 9/15$352

Find flight deals from Dayton to Dulles Intl

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$284
(Kiwi.com)

One-way from

$129
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$369

Good round-trip deal

$381 or less

Good one-way deal

$399 or less
Provider with most accurate pricing for Dayton-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Dayton-Washington, D.C. Dulles Intl flights.
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From Dayton to Washington, D.C. Dulles Intl
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One-way flight from Dayton to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 17% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Dayton to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Dayton to Washington, D.C. Dulles Intl.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Dayton to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DaytonWashington, D.C.

DAY Dayton - IAD Washington, D.C. Dulles Intl

DAYIAD

Dayton

Fri 11/27

10:39 am-12:10 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$269

DaytonWashington, D.C.

DAY Dayton - IAD Washington, D.C. Dulles Intl

DAYIAD

Dayton

Fri 10/16

7:33 pm-9:10 pm

Nonstop1h 37m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$269

DaytonWashington, D.C.

DAY Dayton - IAD Washington, D.C. Dulles Intl

DAYIAD

Dayton

Sat 10/10

2:55 pm-4:28 pm

Nonstop1h 33m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$269

DaytonWashington, D.C.

DAY Dayton - IAD Washington, D.C. Dulles Intl

DAYIAD

Dayton

Sun 10/11

10:22 am-11:55 am

Nonstop1h 33m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$269

DaytonWashington, D.C.

DAY Dayton - IAD Washington, D.C. Dulles Intl

DAYIAD

Dayton

Sat 10/31

2:50 pm-4:21 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$269

DaytonWashington, D.C.

DAY Dayton - IAD Washington, D.C. Dulles Intl

DAYIAD

Dayton

Mon 10/12

2:55 pm-4:28 pm

Nonstop1h 33m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$269

DaytonWashington, D.C.

DAY Dayton - IAD Washington, D.C. Dulles Intl

DAYIAD

Dayton

Tue 11/17

6:00 am-11:37 am

1 stop5h 37m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$279

DaytonWashington, D.C.

DAY Dayton - IAD Washington, D.C. Dulles Intl

DAYIAD

Dayton

Thu 10/22

6:47 pm-12:42 am

1 stop5h 55m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$279

DaytonWashington, D.C.

DAY Dayton - IAD Washington, D.C. Dulles Intl

DAYIAD

Dayton

Fri 12/11

9:40 am-11:18 am

Nonstop1h 38m

Washington, D.C. Dulles Intl

Sat 12/12

12:45 pm-2:29 pm

Nonstop1h 44m

$299

DaytonWashington, D.C.

DAY Dayton - IAD Washington, D.C. Dulles Intl

DAYIAD

Dayton

Thu 11/12

10:39 am-12:10 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sat 11/14

12:35 pm-2:15 pm

Nonstop1h 40m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 19 resultsSorted by cheapest first
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Compare providers for flights from Dayton to Dulles Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dayton to Dulles Intl in September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Dayton-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dayton-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dayton-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dayton-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dayton-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dayton to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Dayton with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Dayton to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Dayton to Washington, D.C. Dulles Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Dayton to Washington, D.C. Dulles Intl Airport (average of $219). Flying from Dayton to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $392). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DAY to IAD?

It’s optimal to fly from Dayton to Washington, D.C. Dulles Intl Airport in the morning. By choosing this option you can save up to 74% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost to fly round-trip from Dayton to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment.

Dayton to Washington, D.C. Dulles Intl Airport flights typically cost between $319 and $547 in October.
The cheapest round-trip price found within the last 5 days was $284 on Multiple Airlines (Oct 23-Oct 26).

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with United Airlines from Dayton to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,214 reviews

Entertainment

7.1

Crew

8.1

Food

6.7

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
10,214 reviews
United Airlines
7.4
Good
10,214 reviews

Entertainment

7.1

Crew

8.1

Food

6.7

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

  • What airport do you fly from for flights from Dayton to Washington, D.C. Dulles Intl?

    Most people fly from Dayton (DAY) if they book a flight from Dayton to Washington, D.C. Dulles Intl. On average, Dayton has 8 outbound flights to Washington, D.C. Dulles Intl per day from 1 airline. Dayton is conveniently located just 10.0 mi from Dayton’s city center.

  • How long is the flight from Dayton to Washington, D.C. Dulles Intl Airport?

    Departing from Dayton to Washington, D.C. Dulles Intl Airport will take you 1h 38m. Dayton and Washington, D.C. Dulles Intl Airport are separated by a distance of 367 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Dayton to Washington, D.C. Dulles Intl Airport round-trip?

    According to our current data, United Airlines ($189), offers the cheapest pricing from Dayton to Washington, D.C. Dulles Intl Airport. United Airlines is 37% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Dayton to Washington, D.C. Dulles Intl Airport?

    Consider Copa Airlines (82%), CommutAir (78%) or Avianca (77%) when booking your flight. These represent the most reliable airlines when flying from Dayton to Washington, D.C. Dulles Intl Airport.

  • What are the cheapest flights from Dayton to Washington, D.C. Dulles Intl Airport?

    While on average a flight from Dayton to Washington, D.C. Dulles Intl Airport is generally $524, our data shows the cheapest flight currently is $248. When looking at the most popular route, (Dayton - Washington, D.C. Dulles Intl), you can expect to pay $299 for that flight.

  • Can I find deals for flights from Dayton to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Dayton to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dayton to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dayton to Dulles Intl.

  • Can I find deals for business class flights from Dayton to Dulles Intl?

    Yes. Cheapflights offers flight deals from Dayton to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Dayton to Washington, D.C. Dulles Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Dayton to Washington, D.C. Dulles Intl Airport (average of $219). Flying from Dayton to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $392). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Arlington
Owings Mills
Lanham
Tysons
Woodbridge
Reston
Chantilly
Herndon
Hyattsville
Rockville
Fredericksburg
Falls Church
Sterling
Hanover
Laurel
Springfield
Oxon Hill
Clinton
Hunt Valley

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Dayton to Dulles Intl

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$291FlexibilityNo cancel feeOn-time69%

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