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Dulles Intl

$103+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — IAD
abr. 16 — abr. 231
mié. 4/16
mié. 4/23
1 adult, Economy
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Cheapflights Tip: The best prices from Dayton to Washington, D.C. Dulles Intl are usually found in August or May, booked 39 days in advance, depart on a Friday or Saturday and return on a Tuesday

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 abril 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$204
(United Airlines)

One-way from

$116
(United Airlines)

Popular in

November

Cheapest in

August

Average price

$385

Good round-trip deal

$375 or less

Good one-way deal

$222 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. 0% potential increase in price ($1 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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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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 abril 11, 2025.

This United Airlines deal was found by Cheapflights users on 4/10. 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.
sáb. 4/262:53 pmDAY - IAD
Nonstop1h 32mUnited Airlines
mar. 4/296:30 amIAD - DAY
1 stop4h 35mUnited Airlines
Deal found 4/10$209
This Delta deal was found by Cheapflights users on 4/9. 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.
mié. 4/166:45 pmDAY - IAD
1 stop5h 40mDelta
sáb. 4/196:00 amIAD - DAY
1 stop4h 27mDelta
Deal found 4/9$237
This American Airlines deal was found by Cheapflights users on 4/10. 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.
sáb. 8/96:40 amDAY - IAD
1 stop5h 58mAmerican Airlines
mar. 8/265:48 pmIAD - DAY
1 stop4h 14mAmerican Airlines
Deal found 4/10$251
This Mytrip deal was found by Cheapflights users on 4/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/243:27 pmDAY - IAD
2 stops21h 23mMultiple Airlines
dom. 6/2212:55 pmIAD - DAY
3 stops31h 42mMultiple Airlines
Deal found 4/10$458

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 abril 11, 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

sáb. 4/26

2:53 pm-4:25 pm

Nonstop1h 32m

Washington, D.C. Dulles Intl

mar. 4/29

6:30 am-11:05 am

1 stop4h 35m

$209

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

vie. 4/25

3:03 pm-9:23 pm

1 stop6h 20m

Washington, D.C. Dulles Intl

dom. 4/27

6:00 am-10:27 am

1 stop4h 27m

$244

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

sáb. 8/9

6:40 am-12:38 pm

1 stop5h 58m

Washington, D.C. Dulles Intl

mar. 8/26

5:48 pm-10:02 pm

1 stop4h 14m

$251

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

jue. 4/24

3:27 pm-12:50 pm

2 stops21h 23m

Washington, D.C. Dulles Intl

dom. 6/22

12:55 pm-8:37 pm

3 stops31h 42m

$458

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

sáb. 5/31

4:25 pm-9:34 pm

1 stop5h 09m

$103

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

mié. 5/7

2:50 pm-4:22 pm

Nonstop1h 32m

$116

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

mié. 5/7

6:55 am-1:22 pm

1 stop6h 27m

$126

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

sáb. 5/17

10:49 am-7:05 am

3 stops44h 16m

$215

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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
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

How far ahead should I book a flight from Dayton to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Dayton to Dulles Intl. Price data was last updated on April 4, 2025.

To ensure you get the cheapest price possible for a flight from Dayton to Washington, D.C. Dulles Intl Airport, you should look to book at least 39 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Dayton to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Dayton to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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 abril 11, 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 59% on the cost of your flight, compared to a flight at noon.

Weekly flight availability from Dayton to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Dayton to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated abril 11, 2025.

The most flights from DAY to IAD are scheduled on a Tuesday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 abril 11, 2025.
To help decide which airline to fly from Dayton to Washington, D.C., see what other customers have to say about Delta, United Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,911 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,911 reviews
Delta
8.0
Very good
7,911 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,636 reviews
Delta
8.0
Very good
7,911 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,911 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 9 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.

  • What are the cheapest airlines flying from Dayton to Washington, D.C. Dulles Intl Airport round-trip?

    According to our current data, United Airlines ($204), Delta ($230), and American Airlines ($251) 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 cheapest airlines to fly from Dayton to Washington, D.C. Dulles Intl Airport one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $116. American Airlines flights start at $126 while deals on Delta start at $201 one-way.

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

    Consider Copa Airlines (90%), Avianca (86%) or Austrian Airlines (78%) 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 $1,011, our data shows the cheapest flight currently is $140. 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, August is the cheapest month in which you can book a flight from Dayton to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Dayton to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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 Dayton?

Book flights to Dayton if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Tysons
Springfield
Rockville
Fredericksburg
Woodbridge
Gaithersburg
Linthicum Heights
Silver Spring
Falls Church
Laurel
Easton
Herndon
Sterling
Bowie
Gettysburg
National Harbor
Oxon Hill

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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 abril 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$205Average$316FlexibilityNo cancel feeOn-time69%

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