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$90+ Cheap flights from Dulles Intl (IAD) to Dayton (DAY)

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DAY
Aug 31 — Sep 71
Sun 8/31
Sun 9/7
1 adult, Economy
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Cheap flight deals from Dulles Intl to Dayton

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Dayton (DAY). 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 August 26, 2025.

Round-trip from

$189
(United Airlines)

One-way from

$90
(United Airlines)

Popular in

August

Cheapest in

April

Average price

$439

Good round-trip deal

$340 or less

Good one-way deal

$235 or less
From Washington, D.C. Dulles Intl to Dayton
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One-way flight from Washington, D.C. Dulles Intl to Dayton
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Highest demand for flights based on searches. 9% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Dayton.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Dayton.
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Find flight deals from Dulles Intl to Dayton

Cheapest flights from Dulles Intl to Dayton
Explore the most affordable flight options available from Dulles Intl to Dayton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2025.

This United Airlines deal was found by Cheapflights users on 8/25. 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 9/48:15 amIAD - DAY
Nonstop1h 35mUnited Airlines
Mon 9/87:45 pmDAY - IAD
Nonstop1h 38mUnited Airlines
Deal found 8/25$189
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/1012:36 pmIAD - DAY
Nonstop1h 38mUnited Airlines
Tue 9/162:52 pmDAY - IAD
Nonstop1h 38mUnited Airlines
Deal found 8/24$194
This United Airlines deal was found by Cheapflights users on 8/25. 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 10/98:15 amIAD - DAY
Nonstop1h 35mUnited Airlines
Sun 10/127:43 pmDAY - IAD
Nonstop1h 38mUnited Airlines
Deal found 8/25$199
This Delta deal was found by Cheapflights users on 8/25. 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.
Sun 11/236:00 amIAD - DAY
1 stop4h 34mDelta
Thu 11/274:10 pmDAY - IAD
1 stop5h 22mDelta
Deal found 8/25$209
This Delta deal was found by Cheapflights users on 8/24. 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 9/36:00 amIAD - DAY
1 stop4h 26mDelta
Sat 9/274:36 pmDAY - IAD
1 stop6h 41mDelta
Deal found 8/24$213
This Delta deal was found by Cheapflights users on 8/24. 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 9/106:00 amIAD - DAY
1 stop4h 26mDelta
Wed 9/176:37 pmDAY - IAD
1 stop4h 40mDelta
Deal found 8/24$214
This Delta deal was found by Cheapflights users on 8/25. 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 9/46:00 amIAD - DAY
1 stop4h 26mDelta
Sat 9/64:30 pmDAY - IAD
1 stop6h 51mDelta
Deal found 8/25$217
This United Airlines deal was found by Cheapflights users on 8/25. 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 9/28:15 amIAD - DAY
Nonstop1h 35mUnited Airlines
Mon 9/82:52 pmDAY - IAD
Nonstop1h 38mUnited Airlines
Deal found 8/25$224
This United Airlines deal was found by Cheapflights users on 8/23. 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.
Sat 8/305:10 pmIAD - DAY
Nonstop1h 38mUnited Airlines
Tue 9/27:45 pmDAY - IAD
Nonstop1h 38mUnited Airlines
Deal found 8/23$233
This United Airlines deal was found by Cheapflights users on 8/25. 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 9/312:36 pmIAD - DAY
Nonstop1h 38mUnited Airlines
Fri 9/57:45 pmDAY - IAD
Nonstop1h 38mUnited Airlines
Deal found 8/25$235
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Mon 11/2412:35 pmIAD - DAY
Nonstop1h 39mUnited Airlines
Thu 11/272:50 pmDAY - IAD
Nonstop1h 29mUnited Airlines
Deal found 8/25$239
This Delta deal was found by Cheapflights users on 8/23. 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.
Sat 8/305:25 pmIAD - DAY
1 stop6h 31mDelta
Tue 9/24:30 pmDAY - IAD
1 stop6h 51mDelta
Deal found 8/23$243

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Dayton 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 August 26, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Dayton that are best for you.

Fly from

Dulles Intl

Fly to

Dayton

Route

Depart

Return

Price

Washington, D.C.Dayton

IAD - DAY

IADDAY

Washington, D.C. Dulles Intl

Sat 9/6

8:15 am-9:50 am

Nonstop1h 35m

Dayton

Tue 9/9

2:52 pm-4:30 pm

Nonstop1h 38m

$189

Washington, D.C.Dayton

IAD - DAY

IADDAY

Washington, D.C. Dulles Intl

Sat 10/11

12:35 pm-2:12 pm

Nonstop1h 37m

Dayton

Sat 10/18

10:25 am-12:02 pm

Nonstop1h 37m

$189

Washington, D.C.Dayton

IAD - DAY

IADDAY

Washington, D.C. Dulles Intl

Thu 9/4

8:15 am-9:50 am

Nonstop1h 35m

Dayton

Mon 9/8

7:45 pm-9:23 pm

Nonstop1h 38m

$189

Washington, D.C.Dayton

IAD - DAY

IADDAY

Washington, D.C. Dulles Intl

Wed 9/10

12:36 pm-2:14 pm

Nonstop1h 38m

Dayton

Tue 9/16

2:52 pm-4:30 pm

Nonstop1h 38m

$194

Washington, D.C.Dayton

IAD - DAY

IADDAY

Washington, D.C. Dulles Intl

Sat 9/13

8:15 am-9:50 am

Nonstop1h 35m

Dayton

Thu 9/18

10:25 am-12:02 pm

Nonstop1h 37m

$194

Washington, D.C.Dayton

IAD - DAY

IADDAY

Washington, D.C. Dulles Intl

Fri 9/12

8:15 am-9:50 am

Nonstop1h 35m

Dayton

Sat 9/13

7:45 pm-9:23 pm

Nonstop1h 38m

$199

Washington, D.C.Dayton

IAD - DAY

IADDAY

Washington, D.C. Dulles Intl

Thu 10/9

8:15 am-9:50 am

Nonstop1h 35m

Dayton

Sun 10/12

7:43 pm-9:21 pm

Nonstop1h 38m

$199

Washington, D.C.Dayton

IAD - DAY

IADDAY

Washington, D.C. Dulles Intl

Sat 9/20

6:23 am-10:22 am

1 stop3h 59m

Dayton

Sat 9/27

4:36 pm-11:17 pm

1 stop6h 41m

$209

Washington, D.C.Dayton

IAD - DAY

IADDAY

Washington, D.C. Dulles Intl

Mon 11/24

6:00 am-12:37 pm

1 stop6h 37m

Dayton

Thu 11/27

4:10 pm-9:32 pm

1 stop5h 22m

$209

Washington, D.C.Dayton

IAD - DAY

IADDAY

Washington, D.C. Dulles Intl

Sat 10/11

6:00 am-12:44 pm

1 stop6h 44m

Dayton

Sat 10/18

5:30 pm-11:18 pm

1 stop5h 48m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/25

Showing 1-10 of 21 results
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Best time to book a flight from Dulles Intl to Dayton

Have a flexible travel schedule? Discover the best time to fly to Dayton from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Dayton

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Dayton (average of $325). Flying from Washington, D.C. Dulles Intl Airport to Dayton in March is currently the most expensive (average of $396). 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 IAD to DAY?

Find hourly flight availability from Dulles Intl to Dayton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 26, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Dayton, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 18% versus a flight at noon.

Reviews of airlines servicing Dayton

Get insights into the airlines that provide service to Dayton. 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 Dayton. Reviews last updated August 26, 2025.
See what other customers who have flown with United Airlines from Washington, D.C. Dulles Intl Airport to Dayton 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
8,943 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,943 reviews
United Airlines
7.4
Good
8,943 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Dayton. 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 into for flights to Dayton from Washington, D.C. Dulles Intl?

    Located just 10.0 mi from the city center, Dayton is the airport most travelers will use when flying to Dayton from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Dayton (DAY) should be relatively easy as there are 8 daily inbound flights from Washington, D.C. Dulles Intl from 1 airline.

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

    Airlines like United Airlines fly from Washington, D.C. Dulles Intl Airport to Dayton in about 1h 35m. The time it takes to get you to your destination is usually consistent. The distance between Washington, D.C. Dulles Intl Airport and Dayton is about 367 mi. Most flights are nonstop.

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

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Dayton round-trip from $239. Users have found that United Airlines is 30% cheaper than the other options available to this destination.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Dayton on time: CommutAir (72%), United Airlines (72%), Copa Airlines (56%).

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

    The cheapest flight price from Washington, D.C. Dulles Intl Airport to Dayton is $119. On average you can expect to pay $341. The most popular route, (Washington, D.C. Dulles Intl - Dayton), can usually be booked for $184.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Dayton 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 Washington, D.C. Dulles Intl Airport to Dayton?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Dayton (average of $325). Flying from Washington, D.C. Dulles Intl Airport to Dayton in March is currently the most expensive (average of $396). 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
Troy
Springfield
Xenia
Miamisburg
Richmond

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Alternative routes for Dulles Intl to Dayton

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

Discover the top airline that operate flights from Dulles Intl to Dayton. 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 August 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$239Average$338FlexibilityNo cancel feeOn-time69%

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