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Dulles Intl

$95+ Cheap flights from Dayton (DAY) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — IAD
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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Find flight deals from Dayton to Dulles Intl

Cheapest flights from Dayton to Dulles Intl
Explore the most affordable flight options available from Dayton to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2025.

This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2510:27 amDAY - IAD
Nonstop1h 28mUnited Airlines
Sat 11/298:15 amIAD - DAY
Nonstop1h 37mUnited Airlines
Deal found 11/4$189
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/182:50 pmDAY - IAD
Nonstop1h 29mUnited Airlines
Tue 12/212:35 pmIAD - DAY
Nonstop1h 40mUnited Airlines
Deal found 11/2$204
This Delta deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/112:55 pmDAY - IAD
1 stop6h 34mDelta
Sat 1/246:00 amIAD - DAY
1 stop4h 52mDelta
Deal found 11/4$209
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/119:18 pmDAY - IAD
1 stop23h 06mMultiple Airlines
Sun 1/255:20 pmIAD - DAY
2 stops22h 09mMultiple Airlines
Deal found 11/3$218
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:45 pmDAY - IAD
Nonstop1h 32mUnited Airlines
Sun 11/238:15 amIAD - DAY
Nonstop1h 37mUnited Airlines
Deal found 11/3$219
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/310:00 amDAY - IAD
Nonstop1h 33mUnited Airlines
Sun 12/712:35 pmIAD - DAY
Nonstop1h 40mUnited Airlines
Deal found 11/2$220
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/201:22 pmDAY - IAD
1 stop5h 04mDelta
Tue 11/256:00 amIAD - DAY
1 stop4h 34mDelta
Deal found 11/3$224
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1911:19 amDAY - IAD
1 stop7h 07mDelta
Sun 11/236:00 amIAD - DAY
1 stop4h 34mDelta
Deal found 11/3$239
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1110:00 amDAY - IAD
Nonstop1h 33mUnited Airlines
Sat 1/2412:35 pmIAD - DAY
Nonstop1h 42mUnited Airlines
Deal found 11/4$249
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:11 pmDAY - IAD
1 stop3h 56mAmerican Airlines
Tue 12/911:25 amIAD - DAY
1 stop6h 01mAmerican Airlines
Deal found 11/2$251
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:34 pmDAY - IAD
1 stop5h 38mDelta
Sun 1/256:00 amIAD - DAY
1 stop4h 52mDelta
Deal found 11/3$254
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2110:27 amDAY - IAD
Nonstop1h 28mUnited Airlines
Mon 11/2412:35 pmIAD - DAY
Nonstop1h 39mUnited Airlines
Deal found 11/3$264

Cheap flight deals from Dayton to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Dayton (DAY) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$189
(United Airlines)

One-way from

$95
(United Airlines)

Popular in

April

Cheapest in

May

Average price

$379

Good round-trip deal

$288 or less

Good one-way deal

$288 or less
Provider with most accurate pricing for Dayton-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Dayton-Washington, D.C. Dulles Intl flights.
Search Deals
From Dayton to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Dayton to Washington, D.C. Dulles Intl
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Dayton to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Dayton to Washington, D.C. Dulles Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dayton to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 5, 2025.
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

Dayton

Fly to

Dulles Intl

Route

Depart

Return

Price

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Sat 12/6

2:50 pm-4:19 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 12/8

12:35 pm-2:15 pm

Nonstop1h 40m

$189

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Fri 1/30

9:50 am-11:31 am

Nonstop1h 41m

Washington, D.C. Dulles Intl

Sat 1/31

5:48 pm-7:37 pm

Nonstop1h 49m

$189

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Thu 4/23

7:45 pm-9:19 pm

Nonstop1h 34m

Washington, D.C. Dulles Intl

Sat 4/25

5:20 pm-6:41 pm

Nonstop1h 21m

$189

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Thu 11/20

7:45 pm-9:17 pm

Nonstop1h 32m

Washington, D.C. Dulles Intl

Sat 11/29

8:15 am-9:52 am

Nonstop1h 37m

$204

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Sat 12/6

4:16 pm-9:29 pm

1 stop5h 13m

Washington, D.C. Dulles Intl

Mon 12/8

6:00 am-10:30 am

1 stop4h 30m

$209

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Sun 12/14

6:34 pm-12:12 am

1 stop5h 38m

Washington, D.C. Dulles Intl

Mon 1/12

12:09 pm-6:00 pm

1 stop5h 51m

$209

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Fri 12/5

6:37 pm-12:12 am

1 stop5h 35m

Washington, D.C. Dulles Intl

Sun 12/7

6:00 am-10:30 am

1 stop4h 30m

$209

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Wed 11/19

7:45 pm-9:17 pm

Nonstop1h 32m

Washington, D.C. Dulles Intl

Sun 11/23

8:15 am-9:52 am

Nonstop1h 37m

$219

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Wed 12/3

10:00 am-11:33 am

Nonstop1h 33m

Washington, D.C. Dulles Intl

Sun 12/7

12:35 pm-2:15 pm

Nonstop1h 40m

$220

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Thu 11/20

4:10 pm-9:32 pm

1 stop5h 22m

Washington, D.C. Dulles Intl

Tue 12/2

6:00 am-10:30 am

1 stop4h 30m

$224

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 19 results
1
2

Compare providers for flights from Dayton to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
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 November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Dayton-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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, September is the cheapest month in which you can book a flight from Dayton to Washington, D.C. Dulles Intl Airport (average of $77). Flying from Dayton to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $207). 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?

Find hourly flight availability from Dayton to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 5, 2025.

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 58% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated November 5, 2025.
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
9,002 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,002 reviews
United Airlines
7.4
Good
9,002 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Dayton to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 29m. 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 42% 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 GoJet (100%), United Airlines (92%) or Avianca (91%) 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 $1,941, our data shows the cheapest flight currently is $208. When looking at the most popular route, (Dayton - Washington, D.C. Dulles Intl), you can expect to pay $189 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, September is the cheapest month in which you can book a flight from Dayton to Washington, D.C. Dulles Intl Airport (average of $77). Flying from Dayton to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $207). 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
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

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Alternative routes for Dayton to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Dayton to Dulles Intl

Discover the top airline that operate flights from Dayton to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$309FlexibilityNo cancel feeOn-time69%

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