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Cheap flights from Dayton to Washington, D.C. from $139

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dayton to Washington, D.C. departing on 4/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:33 pm - 9:10 pm
DAY
-
IAD
1h 37mnonstop
United Airlines Logo
8:22 am - 10:00 am
IAD
-
DAY
1h 38mnonstop
$189United Airlines
Fri, Apr 24 - Sun, Apr 26
United Airlines Logo
9:50 am - 11:31 am
DAY
-
IAD
1h 41mnonstop
United Airlines Logo
12:35 pm - 2:17 pm
IAD
-
DAY
1h 42mnonstop
$197United Airlines
Sun, Feb 1 - Sun, Feb 8
United Airlines Logo
7:45 pm - 9:19 pm
DAY
-
IAD
1h 34mnonstop
United Airlines Logo
8:15 am - 9:47 am
IAD
-
DAY
1h 32mnonstop
$198United Airlines
Thu, May 14 - Mon, Oct 12
United Airlines Logo
9:45 am - 11:23 am
DAY
-
IAD
1h 38mnonstop
United Airlines Logo
8:22 am - 10:00 am
IAD
-
DAY
1h 38mnonstop
$202United Airlines
Fri, Mar 27 - Fri, Apr 3
United Airlines Logo
2:52 pm - 4:27 pm
DAY
-
IAD
1h 35mnonstop
United Airlines Logo
12:35 pm - 2:17 pm
IAD
-
DAY
1h 42mnonstop
$204United Airlines
Thu, Jan 22 - Mon, Jan 26
Delta Logo
4:00 pm - 8:20 pm
DAY
-
IAD
4h 20m1 stop
Delta Logo
6:00 am - 10:50 am
IAD
-
DAY
4h 50m1 stop
$209Delta
Sat, Jan 24 - Sun, Jan 25
United Airlines Logo
9:45 am - 11:23 am
DAY
-
IAD
1h 38mnonstop
United Airlines Logo
12:34 pm - 2:22 pm
IAD
-
DAY
1h 48mnonstop
$215United Airlines
Fri, Feb 13 - Mon, Feb 16
United Airlines Logo
9:45 am - 11:23 am
DAY
-
IAD
1h 38mnonstop
United Airlines Logo
5:50 pm - 7:38 pm
IAD
-
DAY
1h 48mnonstop
$216United Airlines
Fri, Mar 6 - Sun, Mar 8
United Airlines Logo
9:50 am - 11:31 am
DAY
-
IAD
1h 41mnonstop
United Airlines Logo
12:35 pm - 2:17 pm
IAD
-
DAY
1h 42mnonstop
$219United Airlines
Sat, Jan 17 - Mon, Jan 19
Delta Logo
6:44 pm - 12:21 am
DAY
-
IAD
5h 37m1 stop
Delta Logo
7:15 am - 1:50 pm
IAD
-
DAY
6h 35m1 stop
$224Delta
Fri, Feb 13 - Mon, Feb 16

United Airlines flights from Dayton to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Dayton to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Apr 24
DAY7:33 pmDayton
1h 37m
IAD9:10 pmWashington, D.C. Dulles Intl
Apr 26
IAD8:22 amWashington, D.C. Dulles Intl
1h 38m
DAY10:00 amDayton
$189
Find similar
United Airlines
Feb 1
DAY9:50 amDayton
1h 41m
IAD11:31 amWashington, D.C. Dulles Intl
Feb 8
IAD12:35 pmWashington, D.C. Dulles Intl
1h 42m
DAY2:17 pmDayton
$197
Find similar
United Airlines
May 14
DAY7:45 pmDayton
1h 34m
IAD9:19 pmWashington, D.C. Dulles Intl
Oct 12
IAD8:15 amWashington, D.C. Dulles Intl
1h 32m
DAY9:47 amDayton
$198
Find similar

American Airlines flights from Dayton to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Dayton to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Jan 17
DAY6:44 amDayton
4h 14m
1 stop
IAD10:58 amWashington, D.C. Dulles Intl
Jan 22
IAD1:08 pmWashington, D.C. Dulles Intl
4h 35m
1 stop
DAY5:43 pmDayton
$277
Find similar
American Airlines
Jun 6
DAY5:51 pmDayton
4h 07m
1 stop
IAD9:58 pmWashington, D.C. Dulles Intl
Jun 13
IAD6:40 amWashington, D.C. Dulles Intl
6h 33m
1 stop
DAY1:13 pmDayton
$329
Find similar
American Airlines
Jan 14
DAY6:00 amDayton
17h 12m
2 stops
IAD11:12 pmWashington, D.C. Dulles Intl
Jan 17
IAD7:01 amWashington, D.C. Dulles Intl
13h 37m
2 stops
DAY8:38 pmDayton
$640
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Dayton to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated January 5, 2026.
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

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Fri 4/24

7:33 pm-9:10 pm

Nonstop1h 37m

Washington, D.C. Dulles Intl

Sun 4/26

8:22 am-10:00 am

Nonstop1h 38m

$189

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Sun 2/1

9:50 am-11:31 am

Nonstop1h 41m

Washington, D.C. Dulles Intl

Sun 2/8

12:35 pm-2:17 pm

Nonstop1h 42m

$197

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Thu 5/14

7:45 pm-9:19 pm

Nonstop1h 34m

Washington, D.C. Dulles Intl

Mon 10/12

8:15 am-9:47 am

Nonstop1h 32m

$198

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Fri 3/27

9:45 am-11:23 am

Nonstop1h 38m

Washington, D.C. Dulles Intl

Fri 4/3

8:22 am-10:00 am

Nonstop1h 38m

$202

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Thu 1/22

2:52 pm-4:27 pm

Nonstop1h 35m

Washington, D.C. Dulles Intl

Mon 1/26

12:35 pm-2:17 pm

Nonstop1h 42m

$204

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Sat 1/24

4:00 pm-8:20 pm

1 stop4h 20m

Washington, D.C. Dulles Intl

Sun 1/25

6:00 am-10:50 am

1 stop4h 50m

$209

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Fri 2/13

9:45 am-11:23 am

Nonstop1h 38m

Washington, D.C. Dulles Intl

Mon 2/16

12:34 pm-2:22 pm

Nonstop1h 48m

$215

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Fri 3/6

9:45 am-11:23 am

Nonstop1h 38m

Washington, D.C. Dulles Intl

Sun 3/8

5:50 pm-7:38 pm

Nonstop1h 48m

$216

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Sat 1/17

9:50 am-11:31 am

Nonstop1h 41m

Washington, D.C. Dulles Intl

Mon 1/19

12:35 pm-2:17 pm

Nonstop1h 42m

$219

DaytonWashington, D.C.

DAY - IAD

DAYIAD

Dayton

Fri 2/13

6:44 pm-12:21 am

1 stop5h 37m

Washington, D.C. Dulles Intl

Mon 2/16

7:15 am-1:50 pm

1 stop6h 35m

$224

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Dayton to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, January is the cheapest month to fly from Dayton to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $249. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of January, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $268.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $443. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Dayton to Washington, D.C. Dulles Intl Airport for around $904.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Dayton in the morning is the least expensive time of day to depart. momondo users have found prices as low as $391 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $930 on average. Flights to Washington, D.C. Dulles Intl Airport from Dayton at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Dayton to Washington, D.C. Dulles Intl flight route?

Fly from Dayton to Washington, D.C. Dulles Intl for the best Dayton - Washington, D.C. Dulles Intl flight prices

What cabin class options are available on Dayton to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on Dayton to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Dayton to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 39% on your flight if you consider stops on a Dayton to Washington, D.C. Dulles Intl Airport flight.

How have Dayton to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of January 2026, prices for Dayton to Washington, D.C. Dulles Intl Airport flights are approximately 28% more expensive when compared to flights at the same time last year.

When to book flights from Dayton to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Dayton to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Dayton to Washington, D.C. Dulles Intl Airport (DAY to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dayton to Washington, D.C. Dulles Intl Airport

Best Price Found

$213

Fastest flight time

1h 33m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Dayton in the past 72 hours is $213. The best round-trip flight deal from Dayton to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $309.
The fastest flight from Dayton to Washington, D.C. Dulles Intl Airport takes 1h 33m
Direct flights go from Dayton to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • How far is Dayton to Washington, D.C. Dulles Intl by plane?

    There are 364.2 mi between Dayton and Washington, D.C. Dulles Intl. By plane, this route typically takes 1h 33m.

  • When did momondo last update prices for flights from Dayton Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Dayton Airport to Washington, D.C. Dulles Intl Airport are updated daily.

  • How many operators does momondo search for flights from Dayton Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Dayton Airport to Washington, D.C. Dulles Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dayton Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Dayton to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Dayton to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Dayton to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Dayton to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $189Free CancellationRating
7.4
9,138 reviews
Search United Airlines flights

  • United Airlines Flights From Dayton to Washington, D.C. Dulles Intl Airport

    The lowest priced United Airlines flight from Dayton to Washington, D.C. Dulles Intl Airport from the last 72 hours was $189. Generally, United Airlines has 12 flights on this route every week with an average price of $308. United Airlines is rated 7.4/10 by our users.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Rockville
Gaithersburg
Harpers Ferry
Manassas
Sterling
Fairfax
Springfield

Why use momondo?

Why should I use momondo to find a flight deal from Dayton to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Dayton to Washington, D.C. for you.

Can I find flights from Dayton to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Dayton with this policy.

How can momondo help me find flights from Dayton to Washington, D.C.?

Once you have performed a search for Dayton to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Dayton to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Dayton to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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